ramnit | dbf0aa9e6748d05db237680c24a61a87696c29743ea0d846f1f165e286d3a3c3

Analysis

max time kernel
134s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30/05/2024, 03:52

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General

Target
dbf0aa9e6748d05db237680c24a61a87696c29743ea0d846f1f165e286d3a3c3.dll
Size 5.5MB
Sample240530-ee9cdsee32
SHA256 dbf0aa9e6748d05db237680c24a61a87696c29743ea0d846f1f165e286d3a3c3
MD5 6949b3ae885ba31eff86b28b68b81453
SHA1 363e7dd0bfae6deeda597bafa935c27a12df6559
SHA512 2eac5f63fd4a5c6b0cfef94e2b726c4227920c0128584a270cff7a0342020a2ed57728cceb71ca0105a5c4a481f567e7374fdd4e4ede64dac9be7f31ecf929ad
SSDEEP 98304:tivlGupvdCf9DpTl4cjg1z+X2kU3D4YJRNhu6VKt9wXgvhiWaOuBuc3hF4pBMV:t0lGgCf5pB4sg1z+X2n3D4GRfu6VzR
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

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral2/memory/4496-9-0x0000000000400000-0x0000000000435000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
4496	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
4496	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4496-9-0x0000000000400000-0x0000000000435000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1112	4496	WerFault.exe	83

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 3236	3876	rundll32.exe	82
PID 3876 wrote to memory of 3236	3876	rundll32.exe	82
PID 3876 wrote to memory of 3236	3876	rundll32.exe	82
PID 3236 wrote to memory of 4496	3236	rundll32.exe	83
PID 3236 wrote to memory of 4496	3236	rundll32.exe	83
PID 3236 wrote to memory of 4496	3236	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbf0aa9e6748d05db237680c24a61a87696c29743ea0d846f1f165e286d3a3c3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbf0aa9e6748d05db237680c24a61a87696c29743ea0d846f1f165e286d3a3c3.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3236
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:4496
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 10168
      4⤵
      Program crash
      PID:1112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4496 -ip 4496
1⤵
PID:1540

Network

MITRE ATT&CK Matrix

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Downloads

~TM51AA.tmp

Path C:\Users\Admin\AppData\Local\Temp\~TM51AA.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 97KB
SHA256 c90e1c184dc44f9312476fdd824a08e54bd667c2954daff7d2d6b992a12a926e
MD5 04beaa248742a71cf028677279233fbe
SHA1 c392e6e173fbc4df0a3c45698b9130e3f63d39bc
SHA512 f99f427678ac8ec45963e2d4e018e116243d67a791109b7bf27ddb6e3c450cd931e66d552e0574d6f63cbb3b163eee061566657193ebe72ee8c21e991fcc52f9
SSDEEP 1536:1zZZpp48Zd0lo+4EMMyO3OexOSEowTwBjzvcmJoxDWqfqNII2Ca2Z:tZSlI/HUOjSiToj7CEqfqg2Z
MD5 SHA1 SHA512 SSDEEP

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memory/3236-4-0x00000000747E0000-0x0000000074D96000-memory.dmp

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memory/4496-5-0x0000000000400000-0x0000000000435000-memory.dmp

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memory/4496-9-0x0000000000400000-0x0000000000435000-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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Downloads