ramnit | 1fa242ce013b13eccbf6adeaeec9c1c42bcc23fd2a96351e43eceb39d1408475

General

Target

fbf13e38558108839059a6df1a214d03_JaffaCakes118.dll
Size

942KB
MD5

fbf13e38558108839059a6df1a214d03
SHA1

e070d3aeb6b50ae7dde84ecda504aedb2d284125
SHA256

1fa242ce013b13eccbf6adeaeec9c1c42bcc23fd2a96351e43eceb39d1408475
SHA512

9b95c6c7165e6c45aa66d31ea1d3dec0ea45e518c72e78dc750a86b157b1bc58c8a9c84516491ea55c6b97d6d292290185ef441c3871d7e00147d94c8a172cbb
SSDEEP

24576:5hTSqs13avB+054QYuNVGvogaiXK0xb7ZivKLVg:5hEIQQYYiXnRivKK

Score

10^/10

ramnit banker spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Executes dropped EXE 4 IoCs

Processes:

rundll32Srv.exerundll32Srv.exeWaterMark.exeWaterMark.exe

pid process

2336 rundll32Srv.exe
4560 rundll32Srv.exe
3964 WaterMark.exe
3160 WaterMark.exe

pid	process
2336	rundll32Srv.exe
4560	rundll32Srv.exe
3964	WaterMark.exe
3160	WaterMark.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4560-9-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/4560-15-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/4560-13-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/4560-14-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/4560-19-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/3160-33-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/3160-39-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32Srv.exe rundll32.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

rundll32Srv.exeWaterMark.exe

description	pid	process	target process
PID 2336 set thread context of 4560	2336	rundll32Srv.exe	rundll32Srv.exe
PID 3964 set thread context of 3160	3964	WaterMark.exe	WaterMark.exe

Drops file in Program Files directory 3 IoCs

Processes:

rundll32Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px2F1E.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32Srv.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3564 1764 WerFault.exe rundll32.exe
3768 688 WerFault.exe svchost.exe

pid	pid_target	process	target process
3564	1764	WerFault.exe	rundll32.exe
3768	688	WerFault.exe	svchost.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C9B8ED3C-FECF-11EE-ADB6-FAEF73C7C1C1} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31101660"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\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
Key created	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2652434343"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "420352864"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31101660"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31101660"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2652434343"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2657903296"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

WaterMark.exe

pid process

3160 WaterMark.exe
3160 WaterMark.exe
3160 WaterMark.exe
3160 WaterMark.exe
3160 WaterMark.exe
3160 WaterMark.exe
3160 WaterMark.exe
3160 WaterMark.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WaterMark.exe

description pid process

Token: SeDebugPrivilege 3160 WaterMark.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1716 iexplore.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

rundll32Srv.exeWaterMark.exeiexplore.exeIEXPLORE.EXE

pid process

2336 rundll32Srv.exe
3964 WaterMark.exe
1716 iexplore.exe
1716 iexplore.exe
2076 IEXPLORE.EXE
2076 IEXPLORE.EXE
2076 IEXPLORE.EXE
2076 IEXPLORE.EXE

pid	process
3160	WaterMark.exe
3160	WaterMark.exe
3160	WaterMark.exe
3160	WaterMark.exe
3160	WaterMark.exe
3160	WaterMark.exe
3160	WaterMark.exe
3160	WaterMark.exe

description	pid	process
Token: SeDebugPrivilege	3160	WaterMark.exe

pid	process
1716	iexplore.exe

pid	process
2336	rundll32Srv.exe
3964	WaterMark.exe
1716	iexplore.exe
1716	iexplore.exe
2076	IEXPLORE.EXE
2076	IEXPLORE.EXE
2076	IEXPLORE.EXE
2076	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

rundll32.exerundll32.exerundll32Srv.exerundll32Srv.exeWaterMark.exeWaterMark.exeiexplore.exe

description	pid	process	target process
PID 4528 wrote to memory of 1764	4528	rundll32.exe	rundll32.exe
PID 4528 wrote to memory of 1764	4528	rundll32.exe	rundll32.exe
PID 4528 wrote to memory of 1764	4528	rundll32.exe	rundll32.exe
PID 1764 wrote to memory of 2336	1764	rundll32.exe	rundll32Srv.exe
PID 1764 wrote to memory of 2336	1764	rundll32.exe	rundll32Srv.exe
PID 1764 wrote to memory of 2336	1764	rundll32.exe	rundll32Srv.exe
PID 2336 wrote to memory of 4560	2336	rundll32Srv.exe	rundll32Srv.exe
PID 2336 wrote to memory of 4560	2336	rundll32Srv.exe	rundll32Srv.exe
PID 2336 wrote to memory of 4560	2336	rundll32Srv.exe	rundll32Srv.exe
PID 2336 wrote to memory of 4560	2336	rundll32Srv.exe	rundll32Srv.exe
PID 2336 wrote to memory of 4560	2336	rundll32Srv.exe	rundll32Srv.exe
PID 2336 wrote to memory of 4560	2336	rundll32Srv.exe	rundll32Srv.exe
PID 2336 wrote to memory of 4560	2336	rundll32Srv.exe	rundll32Srv.exe
PID 2336 wrote to memory of 4560	2336	rundll32Srv.exe	rundll32Srv.exe
PID 4560 wrote to memory of 3964	4560	rundll32Srv.exe	WaterMark.exe
PID 4560 wrote to memory of 3964	4560	rundll32Srv.exe	WaterMark.exe
PID 4560 wrote to memory of 3964	4560	rundll32Srv.exe	WaterMark.exe
PID 3964 wrote to memory of 3160	3964	WaterMark.exe	WaterMark.exe
PID 3964 wrote to memory of 3160	3964	WaterMark.exe	WaterMark.exe
PID 3964 wrote to memory of 3160	3964	WaterMark.exe	WaterMark.exe
PID 3964 wrote to memory of 3160	3964	WaterMark.exe	WaterMark.exe
PID 3964 wrote to memory of 3160	3964	WaterMark.exe	WaterMark.exe
PID 3964 wrote to memory of 3160	3964	WaterMark.exe	WaterMark.exe
PID 3964 wrote to memory of 3160	3964	WaterMark.exe	WaterMark.exe
PID 3964 wrote to memory of 3160	3964	WaterMark.exe	WaterMark.exe
PID 3160 wrote to memory of 688	3160	WaterMark.exe	svchost.exe
PID 3160 wrote to memory of 688	3160	WaterMark.exe	svchost.exe
PID 3160 wrote to memory of 688	3160	WaterMark.exe	svchost.exe
PID 3160 wrote to memory of 688	3160	WaterMark.exe	svchost.exe
PID 3160 wrote to memory of 688	3160	WaterMark.exe	svchost.exe
PID 3160 wrote to memory of 688	3160	WaterMark.exe	svchost.exe
PID 3160 wrote to memory of 688	3160	WaterMark.exe	svchost.exe
PID 3160 wrote to memory of 688	3160	WaterMark.exe	svchost.exe
PID 3160 wrote to memory of 688	3160	WaterMark.exe	svchost.exe
PID 3160 wrote to memory of 1716	3160	WaterMark.exe	iexplore.exe
PID 3160 wrote to memory of 1716	3160	WaterMark.exe	iexplore.exe
PID 1716 wrote to memory of 2076	1716	iexplore.exe	IEXPLORE.EXE
PID 1716 wrote to memory of 2076	1716	iexplore.exe	IEXPLORE.EXE
PID 1716 wrote to memory of 2076	1716	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbf13e38558108839059a6df1a214d03_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4528

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbf13e38558108839059a6df1a214d03_JaffaCakes118.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1764

C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2336

C:\Windows\SysWOW64\rundll32Srv.exe
"C:\Windows\SysWOW64\rundll32Srv.exe"
4⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4560

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3964

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3160

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
7⤵
PID:688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 688 -s 216
8⤵
- Program crash
PID:3768

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
7⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1716

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1716 CREDAT:17410 /prefetch:2
8⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 648
3⤵
- Program crash
PID:3564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1764 -ip 1764
1⤵
PID:4816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 688 -ip 688
1⤵
PID:3720

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\UM8YFV59\suggestions[1].en-US
Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe
Filesize
69KB

MD5
3284b0d95ae1f80355da5e04e79a6be1

SHA1
642bbb026f238a4eed9931772869b637621d98c8

SHA256
f2cf33052bb9ed658351e1ff0687d0602a1f619e0976cd45852d3eb109aacf60

SHA512
13712a19409818ecb66ecb2bb045a5800e4362f0ff0e9b2d158590fd501c35861ceae195f8171301ef6e72dd3b6f28184af31188836d92c171bfa6bedeb98547

Download Submit
memory/688-36-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download
memory/688-37-0x0000000001240000-0x0000000001241000-memory.dmp

Filesize
4KB

Download
memory/1764-38-0x00000000623F0000-0x00000000624E1000-memory.dmp

Filesize
964KB

Download
memory/1764-0-0x00000000623F0000-0x00000000624E1000-memory.dmp

Filesize
964KB

Download
memory/2336-16-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2336-6-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download
memory/2336-4-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/3160-40-0x0000000077CD2000-0x0000000077CD3000-memory.dmp

Filesize
4KB

Download
memory/3160-39-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3160-32-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/3160-33-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3160-35-0x0000000077CD2000-0x0000000077CD3000-memory.dmp

Filesize
4KB

Download
memory/3964-23-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/3964-31-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4560-15-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4560-19-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4560-14-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4560-13-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4560-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads