ramnit | d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0

General

Target
d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0.exe
Size 120KB
Sample221011-n6733sddcn
SHA256 d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0
MD5 5551f3da4168bc601bf0dffd66408d60
SHA1 9b00a779859bfc570fd55a02f6a1c9cd1e62decd
SHA512 68ab92f1099e6b929bd7fa22881e814586f53d94030274134bddb3c77c6ab781005b638876d8de9b258c15781ee3320424845e9c5c50163e145f7fd79ac11968
SSDEEP 3072:qm1iLQoHnY5UzhcN/ai1g4TCC+qJfs1+iNi2EQtCQ4:oYd/31g42ClJfs1+Wi2EQI
MD5 SHA1 SHA512 SSDEEP

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 2 IoCs

pid	Process
1404	d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0Srv.exe
4176	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000b000000022e67-133.dat	upx
behavioral2/files/0x000b000000022e67-135.dat	upx
behavioral2/files/0x0008000000022e6a-137.dat	upx
behavioral2/files/0x0008000000022e6a-138.dat	upx
behavioral2/memory/1404-139-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4176-140-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxE3DD.tmp	d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0Srv.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6A38D2E2-4993-11ED-89AC-D2371B4A40BE} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1151453089"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1151453089"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30989728"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "372278294"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30989728"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4176	DesktopLayer.exe
4176	DesktopLayer.exe
4176	DesktopLayer.exe
4176	DesktopLayer.exe
4176	DesktopLayer.exe
4176	DesktopLayer.exe
4176	DesktopLayer.exe
4176	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2012	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2012	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2012	iexplore.exe
2012	iexplore.exe
2748	IEXPLORE.EXE
2748	IEXPLORE.EXE
2748	IEXPLORE.EXE
2748	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 1404	3104	d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0.exe	83
PID 3104 wrote to memory of 1404	3104	d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0.exe	83
PID 3104 wrote to memory of 1404	3104	d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0.exe	83
PID 1404 wrote to memory of 4176	1404	d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0Srv.exe	84
PID 1404 wrote to memory of 4176	1404	d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0Srv.exe	84
PID 1404 wrote to memory of 4176	1404	d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0Srv.exe	84
PID 4176 wrote to memory of 2012	4176	DesktopLayer.exe	85
PID 4176 wrote to memory of 2012	4176	DesktopLayer.exe	85
PID 2012 wrote to memory of 2748	2012	iexplore.exe	86
PID 2012 wrote to memory of 2748	2012	iexplore.exe	86
PID 2012 wrote to memory of 2748	2012	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0.exe
"C:\Users\Admin\AppData\Local\Temp\d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3104
- C:\Users\Admin\AppData\Local\Temp\d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0Srv.exe
  C:\Users\Admin\AppData\Local\Temp\d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1404
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4176
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2012
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2012 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2748

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

DesktopLayer.exe

Path C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Size 55KB
SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
MD5 ff5e1f27193ce51eec318714ef038bef
SHA1 b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA512 c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE:bROzoTq0+RO7IwnY
MD5 SHA1 SHA512 SSDEEP

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DesktopLayer.exe

Path C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Size 55KB
SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
MD5 ff5e1f27193ce51eec318714ef038bef
SHA1 b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA512 c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE:bROzoTq0+RO7IwnY
MD5 SHA1 SHA512 SSDEEP

Submit Download

d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0Srv.exe

Path C:\Users\Admin\AppData\Local\Temp\d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0Srv.exe
Size 55KB
SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
MD5 ff5e1f27193ce51eec318714ef038bef
SHA1 b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA512 c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE:bROzoTq0+RO7IwnY
MD5 SHA1 SHA512 SSDEEP

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d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0Srv.exe

Path C:\Users\Admin\AppData\Local\Temp\d9a5b1ae20ecdf82ab374f6902dbad14f0d66ed6ce23fe954709568624e7a6c0Srv.exe
Size 55KB
SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
MD5 ff5e1f27193ce51eec318714ef038bef
SHA1 b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA512 c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE:bROzoTq0+RO7IwnY
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1404-139-0x0000000000400000-0x000000000042E000-memory.dmp

Download

memory/3104-134-0x0000000000400000-0x000000000041E000-memory.dmp

Download

memory/4176-140-0x0000000000400000-0x000000000042E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads