ramnit | 36abaf79f3ee631e484e5d0ad2861b3a661ad0520fd1317a518aed60c59110a1

Analysis

max time kernel
185s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 18:56

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General

Target

36abaf79f3ee631e484e5d0ad2861b3a661ad0520fd1317a518aed60c59110a1.dll
Size

155KB
MD5

17cc44e2e51f83bc83111cf6f9d38b4b
SHA1

9c324141fe74a67e60848ddd097a1a5b67e8bdf4
SHA256

36abaf79f3ee631e484e5d0ad2861b3a661ad0520fd1317a518aed60c59110a1
SHA512

75017d43c72a7d42956477eee3353e4b454a883eed72bce5f71066861a325cdefe91c2a24779935300f1483d3b78ff018cd0368f16b56c4d1462cffe687ea102
SSDEEP

3072:EEerWSF+6RjZiq2uW1xZfsVF4ZCeeZaXBqsWX:E7r2I721vfsVeZ+gXBqsG

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

Processes:

rundll32mgr.exe

pid process

2100 rundll32mgr.exe

pid	process
2100	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2100-137-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

rundll32mgr.exe

pid process

2100 rundll32mgr.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

460 2100 WerFault.exe rundll32mgr.exe

pid	process
2100	rundll32mgr.exe

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

pid	pid_target	process	target process
460	2100	WerFault.exe	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1108 wrote to memory of 4560	1108	rundll32.exe	rundll32.exe
PID 1108 wrote to memory of 4560	1108	rundll32.exe	rundll32.exe
PID 1108 wrote to memory of 4560	1108	rundll32.exe	rundll32.exe
PID 4560 wrote to memory of 2100	4560	rundll32.exe	rundll32mgr.exe
PID 4560 wrote to memory of 2100	4560	rundll32.exe	rundll32mgr.exe
PID 4560 wrote to memory of 2100	4560	rundll32.exe	rundll32mgr.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\36abaf79f3ee631e484e5d0ad2861b3a661ad0520fd1317a518aed60c59110a1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1108

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\36abaf79f3ee631e484e5d0ad2861b3a661ad0520fd1317a518aed60c59110a1.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4560

C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 480
4⤵
- Program crash
PID:460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2100 -ip 2100
1⤵
PID:1608

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TM2FCA.tmp
Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe
Filesize
106KB

MD5
7657fcb7d772448a6d8504e4b20168b8

SHA1
84c7201f7e59cb416280fd69a2e7f2e349ec8242

SHA256
54bc950d46a0d1aa72048a17c8275743209e6c17bdacfc4cb9601c9ce3ec9a71

SHA512
786addd2a793bd4123625b22dc717d193246442ac97f1c3f4a763ec794b48e68051cd41097c0e9f7367e6914534f36eafccb109ab03dc793d68bf1522e7884e2

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe
Filesize
106KB

MD5
7657fcb7d772448a6d8504e4b20168b8

SHA1
84c7201f7e59cb416280fd69a2e7f2e349ec8242

SHA256
54bc950d46a0d1aa72048a17c8275743209e6c17bdacfc4cb9601c9ce3ec9a71

SHA512
786addd2a793bd4123625b22dc717d193246442ac97f1c3f4a763ec794b48e68051cd41097c0e9f7367e6914534f36eafccb109ab03dc793d68bf1522e7884e2

Download Submit
memory/2100-133-0x0000000000000000-mapping.dmp

Download
memory/2100-137-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2100-138-0x00000000006A0000-0x00000000006CA000-memory.dmp

Filesize
168KB

Download
memory/2100-139-0x0000000077080000-0x0000000077223000-memory.dmp

Filesize
1.6MB

Download
memory/4560-132-0x0000000000000000-mapping.dmp

Download