ramnit | 29a76b27db48e92985b0aade292198aa0925c6b2fed5970b468a53ff5b68fabf

Analysis

max time kernel
113s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 07:59

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General

Target

29a76b27db48e92985b0aade292198aa0925c6b2fed5970b468a53ff5b68fabf.dll
Size

261KB
MD5

009dc336cd425e6bb3a206dbe02d9243
SHA1

7a3ac62da9bb84f99a8cb761be5cf81f810e3663
SHA256

29a76b27db48e92985b0aade292198aa0925c6b2fed5970b468a53ff5b68fabf
SHA512

6e22fd03d4a4962dfe22796d5c8144958e6187975cf478557c72b76c96798e0f8a77c5e1fff8af70d8efad5989293f526b86b5cbdd94cbbcd00674e701db9df9
SSDEEP

6144:aCIGPj038tAgFMldWNX+p2bU2ivLJiILPs7/nzAHD+jces:Lj038t/FMldW4uU2iDJdLEAjqces

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
3480	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3480-140-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
3480	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3928	3480	WerFault.exe	82
1872	5056	WerFault.exe	81

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 5056	4264	rundll32.exe	81
PID 4264 wrote to memory of 5056	4264	rundll32.exe	81
PID 4264 wrote to memory of 5056	4264	rundll32.exe	81
PID 5056 wrote to memory of 3480	5056	rundll32.exe	82
PID 5056 wrote to memory of 3480	5056	rundll32.exe	82
PID 5056 wrote to memory of 3480	5056	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\29a76b27db48e92985b0aade292198aa0925c6b2fed5970b468a53ff5b68fabf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4264
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\29a76b27db48e92985b0aade292198aa0925c6b2fed5970b468a53ff5b68fabf.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:5056
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:3480
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 10180
      4⤵
      Program crash
      PID:3928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5056 -s 616
    3⤵
    - Program crash
    PID:1872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5056 -ip 5056
1⤵
PID:3608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3480 -ip 3480
1⤵
PID:4216

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TMD882.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
memory/3480-137-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3480-140-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3480-139-0x00000000005B0000-0x00000000005F4000-memory.dmp

Filesize
272KB

Download
memory/3480-141-0x00000000777F0000-0x0000000077993000-memory.dmp

Filesize
1.6MB

Download
memory/5056-136-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download