ramnit | dbf5a6c08dc739940e90eae7dc3f69e15c1a46c5c33e2207eb9416e910a2b117

Analysis

max time kernel
179s
max time network
188s
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 07:38

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General

Target

dbf5a6c08dc739940e90eae7dc3f69e15c1a46c5c33e2207eb9416e910a2b117.dll
Size

256KB
MD5

bc33a307dec8a87d9c9751e662832ca0
SHA1

fe57be7d7e5a7a765843c8b180b67cc02998d15f
SHA256

dbf5a6c08dc739940e90eae7dc3f69e15c1a46c5c33e2207eb9416e910a2b117
SHA512

9e81562324d1192ea570d771447c5da93f8d2ab1c7f8f528d972ac4875f7cf2ec8e924fe1619b57c2d49461763ecfdf0b6c7373893b90e6334156a49bbb40b6e
SSDEEP

3072:jn4cV8gf2u41Z5tKlz4MyNxTlHp3C9ouij1WZ6GMKK6WjP0tDyZiivIj9s1Ph6vN:L4y8gOl294MFouij15do1yFcS1QF

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

4900 rundll32mgr.exe

pid	process
4900	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4900-139-0x0000000000400000-0x000000000047D000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

rundll32mgr.exe

pid process

4900 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

3008 4900 WerFault.exe rundll32mgr.exe

pid	process
4900	rundll32mgr.exe

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

pid	pid_target	process	target process
3008	4900	WerFault.exe	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1448 wrote to memory of 2184	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 2184	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 2184	1448	rundll32.exe	rundll32.exe
PID 2184 wrote to memory of 4900	2184	rundll32.exe	rundll32mgr.exe
PID 2184 wrote to memory of 4900	2184	rundll32.exe	rundll32mgr.exe
PID 2184 wrote to memory of 4900	2184	rundll32.exe	rundll32mgr.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbf5a6c08dc739940e90eae7dc3f69e15c1a46c5c33e2207eb9416e910a2b117.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1448

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbf5a6c08dc739940e90eae7dc3f69e15c1a46c5c33e2207eb9416e910a2b117.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2184

C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 10176
4⤵
- Program crash
PID:3008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4900 -ip 4900
1⤵
PID:1772

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TM2E53.tmp
Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe
Filesize
162KB

MD5
5df790c78e72fbe534aedd94c391847c

SHA1
d3c67e3941396940781ee69f3e20cb11beabea9c

SHA256
a35a0ebff9a88701ac3f13d003e0c76b6dc3216d567c76901529462e8429462c

SHA512
534eb82e01271d5b085bb229ca414de718c0d341c27469a6377391eab4d670d68d0f6ce96d9b58278432db8c8116ca36783fadedf409d5ff8dc56ed0aaf69792

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe
Filesize
162KB

MD5
5df790c78e72fbe534aedd94c391847c

SHA1
d3c67e3941396940781ee69f3e20cb11beabea9c

SHA256
a35a0ebff9a88701ac3f13d003e0c76b6dc3216d567c76901529462e8429462c

SHA512
534eb82e01271d5b085bb229ca414de718c0d341c27469a6377391eab4d670d68d0f6ce96d9b58278432db8c8116ca36783fadedf409d5ff8dc56ed0aaf69792

Download Submit
memory/2184-132-0x0000000000000000-mapping.dmp

Download
memory/2184-133-0x0000000010000000-0x0000000010041000-memory.dmp

Filesize
260KB

Download
memory/4900-134-0x0000000000000000-mapping.dmp

Download
memory/4900-137-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4900-138-0x00000000022A0000-0x000000000231D000-memory.dmp

Filesize
500KB

Download
memory/4900-139-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4900-141-0x0000000076EF0000-0x0000000077093000-memory.dmp

Filesize
1.6MB

Download