ramnit | d73379fab1de9711c9ddfeaeb92b2b9aeca4aefda67d950483bb6ec5ff00e446

General

Target

d7999a3e9af0b9c230f38adebb5fc300.dll
Size

564KB
MD5

d7999a3e9af0b9c230f38adebb5fc300
SHA1

6072f81e32d11f65a32b13540dbee2dd4e60a987
SHA256

d73379fab1de9711c9ddfeaeb92b2b9aeca4aefda67d950483bb6ec5ff00e446
SHA512

9e842a564d12df7915d62638f27a8619a549131a0a7990ec453de04762b559daec9e86427319d554168ae0075ef5a77795f41308dec727f7a136fdfef634e648
SSDEEP

12288:tehnaNPpSVZmNxRCwnwm3W3OHIIf5m9RhWFVJ:teh0PpS6NxNnwYeOHXAhWTJ

Score

10^/10

ramnit sality backdoor banker evasion spyware stealer trojan upx worm

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

rundll32mgr.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	rundll32mgr.exe

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality
UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

rundll32mgr.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" rundll32mgr.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	rundll32mgr.exe

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

rundll32mgr.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	rundll32mgr.exe

Executes dropped EXE 2 IoCs

Processes:

rundll32mgr.exeWaterMark.exe

pid process

4780 rundll32mgr.exe
2332 WaterMark.exe

UPX packed file 18 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4780-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4780-9-0x0000000003180000-0x000000000420E000-memory.dmp	upx
behavioral2/memory/4780-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4780-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4780-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4780-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4780-16-0x0000000003180000-0x000000000420E000-memory.dmp	upx
behavioral2/memory/4780-18-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4780-19-0x0000000003180000-0x000000000420E000-memory.dmp	upx
behavioral2/memory/4780-20-0x0000000003180000-0x000000000420E000-memory.dmp	upx
behavioral2/memory/4780-21-0x0000000003180000-0x000000000420E000-memory.dmp	upx
behavioral2/memory/4780-22-0x0000000003180000-0x000000000420E000-memory.dmp	upx
behavioral2/memory/4780-23-0x0000000003180000-0x000000000420E000-memory.dmp	upx
behavioral2/memory/4780-24-0x0000000003180000-0x000000000420E000-memory.dmp	upx
behavioral2/memory/4780-25-0x0000000003180000-0x000000000420E000-memory.dmp	upx
behavioral2/memory/4780-31-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2332-48-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2332-55-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

rundll32mgr.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	rundll32mgr.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	rundll32mgr.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32mgr.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" rundll32mgr.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	rundll32mgr.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Drops file in Program Files directory 3 IoCs

Processes:

rundll32mgr.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px45B4.tmp	rundll32mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe

Drops file in Windows directory 1 IoCs

Processes:

rundll32mgr.exe

description ioc process

File opened for modification C:\Windows\SYSTEM.INI rundll32mgr.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4108 1324 WerFault.exe rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SYSTEM.INI	rundll32mgr.exe

pid	pid_target	process	target process
4108	1324	WerFault.exe	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 51 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeiexplore.exeIEXPLORE.EXEIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A786C144-947B-11EE-8D3E-4641385AF58B} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31074440"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "408661905"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A78DE78C-947B-11EE-8D3E-4641385AF58B} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2079033990"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31074440"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31074440"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31074440"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2079033990"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2079033990"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31074440"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2082158182"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2084033593"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31074440"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2079033990"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

rundll32mgr.exeWaterMark.exe

pid	process
4780	rundll32mgr.exe
4780	rundll32mgr.exe
2332	WaterMark.exe
2332	WaterMark.exe
2332	WaterMark.exe
2332	WaterMark.exe
2332	WaterMark.exe
2332	WaterMark.exe
2332	WaterMark.exe
2332	WaterMark.exe
2332	WaterMark.exe
2332	WaterMark.exe
2332	WaterMark.exe
2332	WaterMark.exe
2332	WaterMark.exe
2332	WaterMark.exe
2332	WaterMark.exe
2332	WaterMark.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

796 iexplore.exe

pid	process
796	iexplore.exe

Suspicious use of AdjustPrivilegeToken 39 IoCs

Processes:

rundll32mgr.exeWaterMark.exe

description	pid	process
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	4780	rundll32mgr.exe
Token: SeDebugPrivilege	2332	WaterMark.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

iexplore.exeiexplore.exe

pid process

4196 iexplore.exe
796 iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

iexplore.exeiexplore.exeIEXPLORE.EXEIEXPLORE.EXE

pid	process
4196	iexplore.exe
4196	iexplore.exe
796	iexplore.exe
796	iexplore.exe
2724	IEXPLORE.EXE
2724	IEXPLORE.EXE
4344	IEXPLORE.EXE
4344	IEXPLORE.EXE
2724	IEXPLORE.EXE
2724	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

Processes:

rundll32mgr.exeWaterMark.exe

pid process

4780 rundll32mgr.exe
2332 WaterMark.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

rundll32.exerundll32.exerundll32mgr.exeWaterMark.exeiexplore.exeiexplore.exe

description	pid	process	target process
PID 4432 wrote to memory of 1324	4432	rundll32.exe	rundll32.exe
PID 4432 wrote to memory of 1324	4432	rundll32.exe	rundll32.exe
PID 4432 wrote to memory of 1324	4432	rundll32.exe	rundll32.exe
PID 1324 wrote to memory of 4780	1324	rundll32.exe	rundll32mgr.exe
PID 1324 wrote to memory of 4780	1324	rundll32.exe	rundll32mgr.exe
PID 1324 wrote to memory of 4780	1324	rundll32.exe	rundll32mgr.exe
PID 4780 wrote to memory of 756	4780	rundll32mgr.exe	fontdrvhost.exe
PID 4780 wrote to memory of 760	4780	rundll32mgr.exe	fontdrvhost.exe
PID 4780 wrote to memory of 64	4780	rundll32mgr.exe	dwm.exe
PID 4780 wrote to memory of 2332	4780	rundll32mgr.exe	WaterMark.exe
PID 4780 wrote to memory of 2332	4780	rundll32mgr.exe	WaterMark.exe
PID 4780 wrote to memory of 2332	4780	rundll32mgr.exe	WaterMark.exe
PID 2332 wrote to memory of 5084	2332	WaterMark.exe	svchost.exe
PID 2332 wrote to memory of 5084	2332	WaterMark.exe	svchost.exe
PID 2332 wrote to memory of 5084	2332	WaterMark.exe	svchost.exe
PID 2332 wrote to memory of 5084	2332	WaterMark.exe	svchost.exe
PID 2332 wrote to memory of 5084	2332	WaterMark.exe	svchost.exe
PID 2332 wrote to memory of 5084	2332	WaterMark.exe	svchost.exe
PID 2332 wrote to memory of 5084	2332	WaterMark.exe	svchost.exe
PID 2332 wrote to memory of 5084	2332	WaterMark.exe	svchost.exe
PID 2332 wrote to memory of 5084	2332	WaterMark.exe	svchost.exe
PID 2332 wrote to memory of 796	2332	WaterMark.exe	iexplore.exe
PID 2332 wrote to memory of 796	2332	WaterMark.exe	iexplore.exe
PID 2332 wrote to memory of 4196	2332	WaterMark.exe	iexplore.exe
PID 2332 wrote to memory of 4196	2332	WaterMark.exe	iexplore.exe
PID 4196 wrote to memory of 4344	4196	iexplore.exe	IEXPLORE.EXE
PID 4196 wrote to memory of 4344	4196	iexplore.exe	IEXPLORE.EXE
PID 4196 wrote to memory of 4344	4196	iexplore.exe	IEXPLORE.EXE
PID 796 wrote to memory of 2724	796	iexplore.exe	IEXPLORE.EXE
PID 796 wrote to memory of 2724	796	iexplore.exe	IEXPLORE.EXE
PID 796 wrote to memory of 2724	796	iexplore.exe	IEXPLORE.EXE

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

rundll32mgr.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" rundll32mgr.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	rundll32mgr.exe

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:64

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d7999a3e9af0b9c230f38adebb5fc300.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4432

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d7999a3e9af0b9c230f38adebb5fc300.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
3⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4780

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2332

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
5⤵
PID:5084

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:796

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:796 CREDAT:17410 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2724

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4196

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4196 CREDAT:17410 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1324 -s 608
3⤵
- Program crash
PID:4108

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:760

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1324 -ip 1324
1⤵
PID:5024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
164KB

MD5
a3b1f1c4cd75bea10095e054f990bf1d

SHA1
15bf037b2166d2533e12bbec9f1d5f9a3ad8c81b

SHA256
a4c51942f696650a7ce0530a88c3742380ac82bc1ddc75c24d1417f0958caaee

SHA512
7457591c9676baa6043e4c3ae6ede364f19964c4e4e6a91a06e148221402791cabf9d5ab2bfcb629120ab136fee0a2994c0830f7cbfb112c5c6b07109b6a1a94

Download Submit
C:\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
164KB

MD5
a3b1f1c4cd75bea10095e054f990bf1d

SHA1
15bf037b2166d2533e12bbec9f1d5f9a3ad8c81b

SHA256
a4c51942f696650a7ce0530a88c3742380ac82bc1ddc75c24d1417f0958caaee

SHA512
7457591c9676baa6043e4c3ae6ede364f19964c4e4e6a91a06e148221402791cabf9d5ab2bfcb629120ab136fee0a2994c0830f7cbfb112c5c6b07109b6a1a94

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{A786C144-947B-11EE-8D3E-4641385AF58B}.dat

Filesize
3KB

MD5
47b184834d4d9875bdb850d0bf8a2680

SHA1
ba3dd209b17352958c9be584471e58a57472bc1e

SHA256
17f7f72c1a1c3b30a2d7e844d9e14aac0d13e2baf0d6b63fcb26cc3493aafa91

SHA512
06529ba202d334da6c150bbdcf5441430ab3649f3bfec757164a5c06ef943caa73279b389d737663c02d58c6281b2f5ac776d4b0d26e686036576e3a283f9ef9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{A78DE78C-947B-11EE-8D3E-4641385AF58B}.dat

Filesize
5KB

MD5
ac4dc58221f0e4bde905de6a4e290599

SHA1
e71807124de0a312cf6febbcfb1d3a8cc4fb6575

SHA256
d161297144fe8a19d704064892fb4b6cc97a752ed1854108042eff8163332fb1

SHA512
c51ccc5aa50ef1539090434a75a0a29b6af85a93dd26449a73438a55ed6285d391171a717506c74c58ffab9b3a36e8f164a0a1b6bd265f172a90626383222769

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verCC29.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\WBSCRR29\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
164KB

MD5
a3b1f1c4cd75bea10095e054f990bf1d

SHA1
15bf037b2166d2533e12bbec9f1d5f9a3ad8c81b

SHA256
a4c51942f696650a7ce0530a88c3742380ac82bc1ddc75c24d1417f0958caaee

SHA512
7457591c9676baa6043e4c3ae6ede364f19964c4e4e6a91a06e148221402791cabf9d5ab2bfcb629120ab136fee0a2994c0830f7cbfb112c5c6b07109b6a1a94

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
164KB

MD5
a3b1f1c4cd75bea10095e054f990bf1d

SHA1
15bf037b2166d2533e12bbec9f1d5f9a3ad8c81b

SHA256
a4c51942f696650a7ce0530a88c3742380ac82bc1ddc75c24d1417f0958caaee

SHA512
7457591c9676baa6043e4c3ae6ede364f19964c4e4e6a91a06e148221402791cabf9d5ab2bfcb629120ab136fee0a2994c0830f7cbfb112c5c6b07109b6a1a94

Download Submit
memory/1324-4-0x0000000010000000-0x000000001008B000-memory.dmp

Filesize
556KB

Download
memory/2332-55-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2332-51-0x0000000077122000-0x0000000077123000-memory.dmp

Filesize
4KB

Download
memory/2332-52-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2332-50-0x0000000077122000-0x0000000077123000-memory.dmp

Filesize
4KB

Download
memory/2332-48-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2332-47-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2332-38-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4780-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4780-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4780-24-0x0000000003180000-0x000000000420E000-memory.dmp

Filesize
16.6MB

Download
memory/4780-25-0x0000000003180000-0x000000000420E000-memory.dmp

Filesize
16.6MB

Download
memory/4780-22-0x0000000003180000-0x000000000420E000-memory.dmp

Filesize
16.6MB

Download
memory/4780-21-0x0000000003180000-0x000000000420E000-memory.dmp

Filesize
16.6MB

Download
memory/4780-31-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4780-20-0x0000000003180000-0x000000000420E000-memory.dmp

Filesize
16.6MB

Download
memory/4780-19-0x0000000003180000-0x000000000420E000-memory.dmp

Filesize
16.6MB

Download
memory/4780-23-0x0000000003180000-0x000000000420E000-memory.dmp

Filesize
16.6MB

Download
memory/4780-16-0x0000000003180000-0x000000000420E000-memory.dmp

Filesize
16.6MB

Download
memory/4780-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4780-13-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/4780-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4780-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4780-9-0x0000000003180000-0x000000000420E000-memory.dmp

Filesize
16.6MB

Download
memory/4780-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4780-5-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads