ramnit | 876c5cea11bbbcbe4089a3d0e8f95244cf855d3668e9bf06a97d8e20c1ff237c

General

Target

DesktopLayer - 副本.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

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/740-117-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

DesktopLayer - 副本.exe

description ioc process

File opened for modification C:\Program Files (x86)\Microsoft\px6AD5.tmp DesktopLayer - 副本.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px6AD5.tmp	DesktopLayer - 副本.exe

Modifies Internet Explorer settings 1 TTPs 23 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30902336"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2120823366"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30902336"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2093948390"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30902336"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A7F32033-F433-11EB-B2DB-EE0798CE3A7D} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2093948390"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DesktopLayer - 副本.exe

pid	process
740	DesktopLayer - 副本.exe
740	DesktopLayer - 副本.exe
740	DesktopLayer - 副本.exe
740	DesktopLayer - 副本.exe
740	DesktopLayer - 副本.exe
740	DesktopLayer - 副本.exe
740	DesktopLayer - 副本.exe
740	DesktopLayer - 副本.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2420 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2420 iexplore.exe
2420 iexplore.exe
4040 IEXPLORE.EXE
4040 IEXPLORE.EXE
4040 IEXPLORE.EXE
4040 IEXPLORE.EXE

pid	process
2420	iexplore.exe

pid	process
2420	iexplore.exe
2420	iexplore.exe
4040	IEXPLORE.EXE
4040	IEXPLORE.EXE
4040	IEXPLORE.EXE
4040	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

DesktopLayer - 副本.exeiexplore.exe

description	pid	process	target process
PID 740 wrote to memory of 2420	740	DesktopLayer - 副本.exe	iexplore.exe
PID 740 wrote to memory of 2420	740	DesktopLayer - 副本.exe	iexplore.exe
PID 2420 wrote to memory of 4040	2420	iexplore.exe	IEXPLORE.EXE
PID 2420 wrote to memory of 4040	2420	iexplore.exe	IEXPLORE.EXE
PID 2420 wrote to memory of 4040	2420	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\DesktopLayer - 副本.exe
"C:\Users\Admin\AppData\Local\Temp\DesktopLayer - 副本.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:740

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2420

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2420 CREDAT:82945 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4040

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3992

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:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
2c3effc2f8e3e445faa8e5a67c644775

SHA1
89655670d4bbd2b6329491d3df7c8c338baa83ff

SHA256
b924047d5249febf6604b637e6cc3b3c994adda15688beeaded265f24fe6d8cb

SHA512
cd1c907df2828a09287027f19c8f9b6823dd2ff53a24ce11a521ed770b54e7c3044470b263932fbf6574b47965fddf43fb08f0025d9126268ee57a2a0b8fabff

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
a835c4e6f099008af0ff40cc4860719a

SHA1
f6b762c9b8d8277786eb82e94f59f9bf101e362b

SHA256
d66d1349c21276f80cd69d0f2fea5a9c37eafdce52e73185d2439a718c456b08

SHA512
be4e2578e9278e8e896763eb6895d15f421946874e795747f747989a10efa34fe0ceffcc871e5a1cb2e5fafd52e23ee0f73504cab31bfdf79513b97ec436a443

Download Submit
memory/740-114-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/740-116-0x00000000001E0000-0x00000000001EF000-memory.dmp

Filesize
60KB

Download
memory/740-117-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2420-115-0x0000000000000000-mapping.dmp

Download
memory/2420-118-0x00007FF9BEE10000-0x00007FF9BEE7B000-memory.dmp

Filesize
428KB

Download
memory/4040-119-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads