ramnit | 3b6476d85f46232f65e70d364e22f37ce6d301fbf58b08cef44bcd8ffadb0905

Analysis

max time kernel
137s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 07:58

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General

Target
0d4acece9f8c424840a34c8e76812a21_JaffaCakes118.dll
Size 244KB
Sample240625-jtxz5axfpg
SHA256 3b6476d85f46232f65e70d364e22f37ce6d301fbf58b08cef44bcd8ffadb0905
MD5 0d4acece9f8c424840a34c8e76812a21
SHA1 8cff36ebcfd9fc4e359ea941e64eb2763e2a5030
SHA512 1d793d53f4ab95ab627094f9ba5801d5a03c911d405e69af79ac5e80c363135b2a693a0a781fcca3722879cea744b47fa147748cbe16481fc0ff492082a3f96d
SSDEEP 3072:aXC5JVDzGAg0FuQPw0cCwfwn6qCqvEP/jawuZ0S6kA6GAQiATtw6uwx38YAy2y0R:aeLuAOowFwn6d/ed0SRdATt3XMoDEnEw
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
4248	rundll32mgr.exe
1004	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
1004	rundll32mgr.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1004-9-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/1004-14-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/1004-16-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/1004-12-0x0000000000400000-0x0000000000463000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4248 set thread context of 1004	4248	rundll32mgr.exe	96

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2980	1004	WerFault.exe	96

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4248	rundll32mgr.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3708 wrote to memory of 1272	3708	rundll32.exe	92
PID 3708 wrote to memory of 1272	3708	rundll32.exe	92
PID 3708 wrote to memory of 1272	3708	rundll32.exe	92
PID 1272 wrote to memory of 4248	1272	rundll32.exe	93
PID 1272 wrote to memory of 4248	1272	rundll32.exe	93
PID 1272 wrote to memory of 4248	1272	rundll32.exe	93
PID 4248 wrote to memory of 1004	4248	rundll32mgr.exe	96
PID 4248 wrote to memory of 1004	4248	rundll32mgr.exe	96
PID 4248 wrote to memory of 1004	4248	rundll32mgr.exe	96
PID 4248 wrote to memory of 1004	4248	rundll32mgr.exe	96
PID 4248 wrote to memory of 1004	4248	rundll32mgr.exe	96
PID 4248 wrote to memory of 1004	4248	rundll32mgr.exe	96
PID 4248 wrote to memory of 1004	4248	rundll32mgr.exe	96
PID 4248 wrote to memory of 1004	4248	rundll32mgr.exe	96

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d4acece9f8c424840a34c8e76812a21_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d4acece9f8c424840a34c8e76812a21_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1272
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4248
  - - C:\Windows\SysWOW64\rundll32mgr.exe
      "C:\Windows\SysWOW64\rundll32mgr.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:1004
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 296
        5⤵
        Program crash
        
        PID:2980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1004 -ip 1004
1⤵
PID:1844

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:2608

Network

MITRE ATT&CK Matrix

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Downloads

~TM7ED0.tmp

Path C:\Users\Admin\AppData\Local\Temp\~TM7ED0.tmp
Size 1.6MB
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
SSDEEP 24576:qhYK3o0FvOh/e8AuDq8TJqbEPVVdqi90gvuPGO12HoIGTufqN8:2XFvO5egq8TMbEL59JCKSN
MD5 SHA1 SHA512 SSDEEP

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rundll32mgr.exe

Path C:\Windows\SysWOW64\rundll32mgr.exe
Size 148KB
SHA256 393f0b4ef739ec6b1f6eb242586d40e7d927211d6c6100fa1f3642a76a83b615
MD5 a758bae992041958e59e16e303fccb6e
SHA1 ed836b5a0d9af7107b86969691078bf9eebf9a3c
SHA512 8e4efadbe72e6a6eec55a81d075fc903c32f46ca950989c7029c3df3bb6a7adef97d69bbc5d93fff38dc5aed18fa011efbb31d39f440f2003b73ff5a280bf48a
SSDEEP 3072:vIhUTKaZZItqafo2EN3XKP/9bomXaI+E9gfr/UlvcoWPxHV079vYwdso:vcUTp+ogFbomql4gglvcoWP0vY8
MD5 SHA1 SHA512 SSDEEP

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memory/1004-9-0x0000000000400000-0x0000000000463000-memory.dmp

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memory/1004-14-0x0000000000400000-0x0000000000463000-memory.dmp

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memory/1004-16-0x0000000000400000-0x0000000000463000-memory.dmp

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memory/1004-12-0x0000000000400000-0x0000000000463000-memory.dmp

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memory/1272-0-0x0000000061000000-0x000000006103E000-memory.dmp

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memory/4248-4-0x0000000000400000-0x0000000000452000-memory.dmp

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memory/4248-6-0x00000000001C0000-0x00000000001C3000-memory.dmp

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memory/4248-13-0x0000000000400000-0x0000000000452000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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