ramnit | 1459ebccbe1262ef4a542b4b82be79caf266b41c850039565063ed56993eca73

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2024, 17:03

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General

Target
dfa9c2ba5ca0a9e4bd33f72cf8b02f69.dll
Size 780KB
Sample240326-vkye3sfa22
SHA256 1459ebccbe1262ef4a542b4b82be79caf266b41c850039565063ed56993eca73
MD5 dfa9c2ba5ca0a9e4bd33f72cf8b02f69
SHA1 5300f615d0a6b3f78604b72f5a6d71174c010ca5
SHA512 8420ea70c7bab5cd216833e6690d405cf1c2886ec03f89e3e603ee9dbda3e8bcb93fb41b3c9da078fa75520667ec1144c26959e45a89e0012129aebe410a3a0a
SSDEEP 12288:8Fqi2VC1J7Zs7a5zchr46CIfsyZmGyYCqeCW1xVHG8ESkDcAfcjKx+:8Ui2C1JdoiEdmGyYu9jVmW5AUjKE
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 1 IoCs

pid	Process
2120	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
2120	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2120-6-0x0000000000400000-0x000000000046A000-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
2364	2120	WerFault.exe	88

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 216 wrote to memory of 3076	216	rundll32.exe	87
PID 216 wrote to memory of 3076	216	rundll32.exe	87
PID 216 wrote to memory of 3076	216	rundll32.exe	87
PID 3076 wrote to memory of 2120	3076	rundll32.exe	88
PID 3076 wrote to memory of 2120	3076	rundll32.exe	88
PID 3076 wrote to memory of 2120	3076	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfa9c2ba5ca0a9e4bd33f72cf8b02f69.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:216
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfa9c2ba5ca0a9e4bd33f72cf8b02f69.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3076
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2120
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 10192
      4⤵
      Program crash
      PID:2364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2120 -ip 2120
1⤵
PID:3388

Network

MITRE ATT&CK Matrix

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Downloads

~TM7251.tmp

Path C:\Users\Admin\AppData\Local\Temp\~TM7251.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 162KB
SHA256 8408dc27c9c9a7b6ffa3fc2484284be71709d714f33a0b2e0ee51da03f7c7e0f
MD5 6c1e199ccc02acaf6e962eb75acb8c98
SHA1 742db8306bdbc1759d73eabd7914a93f94478cc7
SHA512 6c8151370cc7264cab59d2c5cc03c2bc384a4cd44d2a58d431d3fca7ef2318b2aced1fa7fb21d6e4ca7fb25392912e5ef8592cfff9755ecc59b9af9fd1e14b3c
SSDEEP 3072:GYY2iOzgPll5vWPgzne1J3cXDphEbMzOTnswOdLQrz4G:GYP+uP8noJ3sAMzCsw+Ev4G
MD5 SHA1 SHA512 SSDEEP

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memory/2120-5-0x0000000002090000-0x00000000020FA000-memory.dmp

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memory/2120-6-0x0000000000400000-0x000000000046A000-memory.dmp

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memory/2120-10-0x0000000077172000-0x0000000077174000-memory.dmp

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memory/2120-11-0x0000000077172000-0x0000000077173000-memory.dmp

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memory/2120-13-0x0000000002090000-0x00000000020FA000-memory.dmp

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memory/3076-1-0x0000000074B10000-0x0000000074BD5000-memory.dmp

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memory/3076-14-0x0000000074B10000-0x0000000074BC9000-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