ramnit | bae8773b2ab7e7aed96e6133dd6cf08686ff5c0803beb0ebad2ba7af2b424534

Analysis

max time kernel
264s
max time network
331s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 07:43

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General

Target

bae8773b2ab7e7aed96e6133dd6cf08686ff5c0803beb0ebad2ba7af2b424534.dll
Size

556KB
MD5

039fdd8b475873c82483fdfba21ed6a9
SHA1

1e9863dd3daf185968039a8bb7b4ea68174803d9
SHA256

bae8773b2ab7e7aed96e6133dd6cf08686ff5c0803beb0ebad2ba7af2b424534
SHA512

25132e97ad49a0aeb6e88fb7e415d62f265fa3c241225c3424007af4bca40fcf7bc6b783d326cc0d144d59b3104e60b6059e6798cd40fdf17bd849333587a2c4
SSDEEP

12288:2hpUrEIZJqr1AkBWwNa5R0EYl795/amaX3QXaPKUE5cdpMHqnGy:2/jG01NHXaPJpmUH

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
3800	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3800-139-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
3800	rundll32mgr.exe

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
380	4964	WerFault.exe	81

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 4964	4568	rundll32.exe	81
PID 4568 wrote to memory of 4964	4568	rundll32.exe	81
PID 4568 wrote to memory of 4964	4568	rundll32.exe	81
PID 4964 wrote to memory of 3800	4964	rundll32.exe	83
PID 4964 wrote to memory of 3800	4964	rundll32.exe	83
PID 4964 wrote to memory of 3800	4964	rundll32.exe	83
PID 4964 wrote to memory of 380	4964	rundll32.exe	87
PID 4964 wrote to memory of 380	4964	rundll32.exe	87
PID 4964 wrote to memory of 380	4964	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bae8773b2ab7e7aed96e6133dd6cf08686ff5c0803beb0ebad2ba7af2b424534.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4568
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bae8773b2ab7e7aed96e6133dd6cf08686ff5c0803beb0ebad2ba7af2b424534.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4964
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:3800
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 644
    3⤵
    - Program crash
    PID:380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3800 -ip 3800
1⤵
PID:2700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4964 -ip 4964
1⤵
PID:3304

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TMD12C.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/3800-136-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3800-138-0x00000000005D0000-0x0000000000614000-memory.dmp

Filesize
272KB

Download
memory/3800-139-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3800-141-0x0000000077110000-0x00000000772B3000-memory.dmp

Filesize
1.6MB

Download
memory/4964-135-0x0000000010000000-0x000000001008C000-memory.dmp

Filesize
560KB

Download