ramnit | 68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9

General

Target

68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe
Size

260KB
MD5

6c92b95871f957f1e45f0a77c40b2f10
SHA1

054663bb08aa137e1080fff4282815e3602e92b1
SHA256

68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9
SHA512

13ba0c9616701d8047b01e69fdb60ffea134edcc55c2a16c9e23ccc5474e9b32f00535e143631c2f3d8dca3c6b432d83dd0bfc1be48b3e4dd72a36b19c75bec0
SSDEEP

3072:GtKtfMCYS0RbCYV439PXfeoeboe2M51ec3J:G9CYS0RbCYVuPeLboeH5FZ

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
4868	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe
4536	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000f000000022e2f-133.dat	upx
behavioral2/files/0x000f000000022e2f-134.dat	upx
behavioral2/files/0x000a000000022e32-137.dat	upx
behavioral2/memory/4868-138-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral2/files/0x000a000000022e32-136.dat	upx
behavioral2/memory/4536-139-0x0000000000400000-0x000000000042F000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px1D1D.tmp	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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\LastUpdateHighDateTime = "30987828"	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\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371462171"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{41E7A889-4227-11ED-89AC-5A10AEE59B4B} = "0"	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
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	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 (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\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "478796581"	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\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 = "30987828"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "478796581"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
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\Main	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
4536	DesktopLayer.exe
4536	DesktopLayer.exe
4536	DesktopLayer.exe
4536	DesktopLayer.exe
4536	DesktopLayer.exe
4536	DesktopLayer.exe
4536	DesktopLayer.exe
4536	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4864	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4864	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4864	iexplore.exe
4864	iexplore.exe
4832	IEXPLORE.EXE
4832	IEXPLORE.EXE
4832	IEXPLORE.EXE
4832	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 4868	2744	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe	80
PID 2744 wrote to memory of 4868	2744	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe	80
PID 2744 wrote to memory of 4868	2744	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe	80
PID 4868 wrote to memory of 4536	4868	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe	81
PID 4868 wrote to memory of 4536	4868	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe	81
PID 4868 wrote to memory of 4536	4868	68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe	81
PID 4536 wrote to memory of 4864	4536	DesktopLayer.exe	82
PID 4536 wrote to memory of 4864	4536	DesktopLayer.exe	82
PID 4864 wrote to memory of 4832	4864	iexplore.exe	83
PID 4864 wrote to memory of 4832	4864	iexplore.exe	83
PID 4864 wrote to memory of 4832	4864	iexplore.exe	83

C:\Users\Admin\AppData\Local\Temp\68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe
"C:\Users\Admin\AppData\Local\Temp\68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe
  C:\Users\Admin\AppData\Local\Temp\68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4868
- - 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:4536
  - - 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:4864
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4864 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4832

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

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

Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
C:\Users\Admin\AppData\Local\Temp\68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe

Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
C:\Users\Admin\AppData\Local\Temp\68441b81903bf376cc5944a8adcf8ab1448004432cb6aa9b98d22a17bf2795b9Srv.exe

Filesize
61KB

MD5
1e28b93df4dc13ba183d7cac665bc45e

SHA1
9f91ec079b5033516398e65970431602ba51647c

SHA256
e6db1aa577d981ff37dffc63cf7496a94db52e27c035f59983236cf1117becaf

SHA512
f133fd3ce7ddc48f090f3f94c98ea8b3b6ad017fc774c43d691176fe3f18a499de890be3aaaadd36299df41ea0f705a7375a6772409efccd11991bc49e4d7331

Download Submit
memory/2744-140-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2744-141-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4536-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4868-138-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing