ramnit | 24b0ccf050758cf7591947bf4b9bf6b79939d2cd6b955cfcb97474ac8d2b1e08

Analysis

max time kernel
162s
max time network
170s
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 18:59

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General

Target

24b0ccf050758cf7591947bf4b9bf6b79939d2cd6b955cfcb97474ac8d2b1e08.dll
Size

252KB
MD5

50d06178e1af77543e65ccb8273fcdf9
SHA1

78dbcc492a6972c7ac464127afe80c54dd913325
SHA256

24b0ccf050758cf7591947bf4b9bf6b79939d2cd6b955cfcb97474ac8d2b1e08
SHA512

26784ab73b5e260ed5017cca820c3609972308c1a7de92b378ebf6d986a9902ad7bcd734370a0bb6269ec715c334c551ebc1c321b970e3a2745bfdcad9438c4d
SSDEEP

6144:EXbLGwjt+g0QPekyswLCwuSr08hKZFXZoMq3o:cGWh0igTx9nXMOo

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

4764 rundll32mgr.exe

pid	process
4764	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4764-138-0x0000000000400000-0x0000000000483000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

rundll32mgr.exe

pid process

4764 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

3768 4764 WerFault.exe rundll32mgr.exe

pid	process
4764	rundll32mgr.exe

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

pid	pid_target	process	target process
3768	4764	WerFault.exe	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3376 wrote to memory of 2096	3376	rundll32.exe	rundll32.exe
PID 3376 wrote to memory of 2096	3376	rundll32.exe	rundll32.exe
PID 3376 wrote to memory of 2096	3376	rundll32.exe	rundll32.exe
PID 2096 wrote to memory of 4764	2096	rundll32.exe	rundll32mgr.exe
PID 2096 wrote to memory of 4764	2096	rundll32.exe	rundll32mgr.exe
PID 2096 wrote to memory of 4764	2096	rundll32.exe	rundll32mgr.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\24b0ccf050758cf7591947bf4b9bf6b79939d2cd6b955cfcb97474ac8d2b1e08.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3376

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\24b0ccf050758cf7591947bf4b9bf6b79939d2cd6b955cfcb97474ac8d2b1e08.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2096

C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 10192
4⤵
- Program crash
PID:3768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4764 -ip 4764
1⤵
PID:4732

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TMB887.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
203KB

MD5
342d865e83df9b760c70dedb7c60167e

SHA1
12c0376bb867b4533b1ea8240dd5688067e5fac6

SHA256
859554f496b469f14fb71e1e5b0b73e9e70f9f80fd3f16557003fa24cf87ea26

SHA512
9e85bceee0e8d4b818096ab140510013032c3165aaabc808e9c28cf71182b2155b359c3256a52b14917b15418cd5eae2bb80b920ef18ff74f32df63e9d269a35

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

Filesize
203KB

MD5
342d865e83df9b760c70dedb7c60167e

SHA1
12c0376bb867b4533b1ea8240dd5688067e5fac6

SHA256
859554f496b469f14fb71e1e5b0b73e9e70f9f80fd3f16557003fa24cf87ea26

SHA512
9e85bceee0e8d4b818096ab140510013032c3165aaabc808e9c28cf71182b2155b359c3256a52b14917b15418cd5eae2bb80b920ef18ff74f32df63e9d269a35

Download Submit
memory/2096-132-0x0000000000000000-mapping.dmp

Download
memory/4764-133-0x0000000000000000-mapping.dmp

Download
memory/4764-137-0x00000000020E0000-0x0000000002163000-memory.dmp

Filesize
524KB

Download
memory/4764-138-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4764-139-0x0000000077360000-0x0000000077503000-memory.dmp

Filesize
1.6MB

Download