ramnit | 876c5cea11bbbcbe4089a3d0e8f95244cf855d3668e9bf06a97d8e20c1ff237c

General

Target

CacheMgrSrv.exe.virus.exe
Size

82KB
MD5

44e92c4b5f440b756f8fb0c9eeb460b2
SHA1

ed5bf6e6e4f2b71ba1e0f73381ee64155f9722c2
SHA256

876c5cea11bbbcbe4089a3d0e8f95244cf855d3668e9bf06a97d8e20c1ff237c
SHA512

378f3fa6f013437491f8c9b1c6bf0bc9641c9bc3e37f8f6c2fabc7402e8c0050d006bd84e251bd801cd37c0be9ded9277d52bc73b64f68aa14b8a6c3ff3f4566

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 1 IoCs

Processes:

DesktopLayer.exe

pid process

4660 DesktopLayer.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2016-131-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/memory/4660-136-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/memory/4660-137-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

CacheMgrSrv.exe.virus.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	CacheMgrSrv.exe.virus.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	CacheMgrSrv.exe.virus.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxC1AF.tmp	CacheMgrSrv.exe.virus.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

Processes:

IEXPLORE.EXEiexplore.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "358759187"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "358759187"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{376CE3CA-FDDF-11EC-B274-D2F448B606D1} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "363954604"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30970348"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30970348"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer.exe

pid	process
4660	DesktopLayer.exe
4660	DesktopLayer.exe
4660	DesktopLayer.exe
4660	DesktopLayer.exe
4660	DesktopLayer.exe
4660	DesktopLayer.exe
4660	DesktopLayer.exe
4660	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

4656 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4656 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4656 iexplore.exe
4656 iexplore.exe
2140 IEXPLORE.EXE
2140 IEXPLORE.EXE
2140 IEXPLORE.EXE
2140 IEXPLORE.EXE

pid	process
4656	iexplore.exe

pid	process
4656	iexplore.exe

pid	process
4656	iexplore.exe
4656	iexplore.exe
2140	IEXPLORE.EXE
2140	IEXPLORE.EXE
2140	IEXPLORE.EXE
2140	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

CacheMgrSrv.exe.virus.exeDesktopLayer.exeiexplore.exe

description	pid	process	target process
PID 2016 wrote to memory of 4660	2016	CacheMgrSrv.exe.virus.exe	DesktopLayer.exe
PID 2016 wrote to memory of 4660	2016	CacheMgrSrv.exe.virus.exe	DesktopLayer.exe
PID 2016 wrote to memory of 4660	2016	CacheMgrSrv.exe.virus.exe	DesktopLayer.exe
PID 4660 wrote to memory of 4656	4660	DesktopLayer.exe	iexplore.exe
PID 4660 wrote to memory of 4656	4660	DesktopLayer.exe	iexplore.exe
PID 4656 wrote to memory of 2140	4656	iexplore.exe	IEXPLORE.EXE
PID 4656 wrote to memory of 2140	4656	iexplore.exe	IEXPLORE.EXE
PID 4656 wrote to memory of 2140	4656	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\CacheMgrSrv.exe.virus.exe
"C:\Users\Admin\AppData\Local\Temp\CacheMgrSrv.exe.virus.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2016

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4660

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
3⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4656

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4656 CREDAT:17410 /prefetch:2
4⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2140

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
82KB

MD5
44e92c4b5f440b756f8fb0c9eeb460b2

SHA1
ed5bf6e6e4f2b71ba1e0f73381ee64155f9722c2

SHA256
876c5cea11bbbcbe4089a3d0e8f95244cf855d3668e9bf06a97d8e20c1ff237c

SHA512
378f3fa6f013437491f8c9b1c6bf0bc9641c9bc3e37f8f6c2fabc7402e8c0050d006bd84e251bd801cd37c0be9ded9277d52bc73b64f68aa14b8a6c3ff3f4566

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
82KB

MD5
44e92c4b5f440b756f8fb0c9eeb460b2

SHA1
ed5bf6e6e4f2b71ba1e0f73381ee64155f9722c2

SHA256
876c5cea11bbbcbe4089a3d0e8f95244cf855d3668e9bf06a97d8e20c1ff237c

SHA512
378f3fa6f013437491f8c9b1c6bf0bc9641c9bc3e37f8f6c2fabc7402e8c0050d006bd84e251bd801cd37c0be9ded9277d52bc73b64f68aa14b8a6c3ff3f4566

Download Submit
memory/2016-130-0x0000000000580000-0x000000000058F000-memory.dmp

Filesize
60KB

Download
memory/2016-131-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4660-132-0x0000000000000000-mapping.dmp

Download
memory/4660-135-0x0000000000570000-0x000000000057F000-memory.dmp

Filesize
60KB

Download
memory/4660-136-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4660-137-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads