ramnit | f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162

General

Target

f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162.exe
Size

124KB
MD5

215bce90321630a2e3aa208aee00e500
SHA1

39e4f99fcf240b03f0e54900a97ad45f816a2e28
SHA256

f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162
SHA512

d253c1a72d809cd93925d2a935667a0aafd7bc235743e6ca5a7d29764abc0b161b7ce2648af1292683ea4fdf9a0882b94854b5d99249399437b85f1ae9465ee1
SSDEEP

3072:Oxbi9AbK9+bF6S9Ubk93bA639Jbp9ZRgAa9E8C5ioVJ2lEMo8NqnYkLXZLqo:mbi9AbK9+bF6S9Ubk93bA639Jbp9jfgh

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
3164	f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162Srv.exe
3460	DesktopLayer.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000022db8-133.dat	upx
behavioral2/files/0x000a000000022db8-134.dat	upx
behavioral2/files/0x000a000000022dbb-136.dat	upx
behavioral2/memory/3164-137-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x000a000000022dbb-138.dat	upx
behavioral2/memory/3460-139-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px73EC.tmp	f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162Srv.exe

Modifies Internet Explorer settings 1 TTPs 18 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{52FF3168-698D-11ED-B8D8-DAD30C974647} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375794097"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3460	DesktopLayer.exe
3460	DesktopLayer.exe
3460	DesktopLayer.exe
3460	DesktopLayer.exe
3460	DesktopLayer.exe
3460	DesktopLayer.exe
3460	DesktopLayer.exe
3460	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4128	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4128	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4128	iexplore.exe
4128	iexplore.exe
1480	IEXPLORE.EXE
1480	IEXPLORE.EXE
1480	IEXPLORE.EXE
1480	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 3164	3212	f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162.exe	84
PID 3212 wrote to memory of 3164	3212	f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162.exe	84
PID 3212 wrote to memory of 3164	3212	f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162.exe	84
PID 3164 wrote to memory of 3460	3164	f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162Srv.exe	85
PID 3164 wrote to memory of 3460	3164	f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162Srv.exe	85
PID 3164 wrote to memory of 3460	3164	f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162Srv.exe	85
PID 3460 wrote to memory of 4128	3460	DesktopLayer.exe	86
PID 3460 wrote to memory of 4128	3460	DesktopLayer.exe	86
PID 4128 wrote to memory of 1480	4128	iexplore.exe	87
PID 4128 wrote to memory of 1480	4128	iexplore.exe	87
PID 4128 wrote to memory of 1480	4128	iexplore.exe	87

C:\Users\Admin\AppData\Local\Temp\f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162.exe
"C:\Users\Admin\AppData\Local\Temp\f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3212
- C:\Users\Admin\AppData\Local\Temp\f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162Srv.exe
  C:\Users\Admin\AppData\Local\Temp\f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162Srv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:3164
- - 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:3460
  - - 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:4128
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4128 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1480

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

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Downloads

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\f10a3bf2d21f708a4cc3030636863fb67027a2a4d4dbedd4e0bde357667ba162Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/3164-132-0x0000000000000000-mapping.dmp

Download
memory/3164-137-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3212-140-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3212-141-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3460-135-0x0000000000000000-mapping.dmp

Download
memory/3460-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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