ramnit | b53546a6a0a077d785dc1264fe176cf385e89690a5ef6c656ba6429b4fc87083

Analysis

max time kernel
142s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2023 03:09

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General

Target

b53546a6a0a077d785dc1264fe176cf385e89690a5ef6c656ba6429b4fc87083.dll
Size

3.0MB
MD5

620db58f837e307fd56c7633d4e4b7e4
SHA1

cedd5323f79070d4e8284fba65fda0d6c3713e3a
SHA256

b53546a6a0a077d785dc1264fe176cf385e89690a5ef6c656ba6429b4fc87083
SHA512

a9fc9804a8a17b287a8295dfe64684e24fb618013373aaac0b95e35a1781c7949017ccb07362a269acddb6cda549f3cc34442d7cb703b0822f7171c3945470f1
SSDEEP

49152:vFNDwsjARb30i4viSRuDVPTormjvBWBfh8Ea:91jziEcV7LX

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

1216 rundll32mgr.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32mgr.exe

pid process

1216 rundll32mgr.exe

pid	process
1216	rundll32mgr.exe

pid	process
1216	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1216-5-0x0000000000400000-0x000000000042A000-memory.dmp	upx

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

3456 1216 WerFault.exe rundll32mgr.exe

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

pid	pid_target	process	target process
3456	1216	WerFault.exe	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 4528 wrote to memory of 1120	4528	rundll32.exe	rundll32.exe
PID 4528 wrote to memory of 1120	4528	rundll32.exe	rundll32.exe
PID 4528 wrote to memory of 1120	4528	rundll32.exe	rundll32.exe
PID 1120 wrote to memory of 1216	1120	rundll32.exe	rundll32mgr.exe
PID 1120 wrote to memory of 1216	1120	rundll32.exe	rundll32mgr.exe
PID 1120 wrote to memory of 1216	1120	rundll32.exe	rundll32mgr.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b53546a6a0a077d785dc1264fe176cf385e89690a5ef6c656ba6429b4fc87083.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4528

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b53546a6a0a077d785dc1264fe176cf385e89690a5ef6c656ba6429b4fc87083.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1120

C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 480
4⤵
- Program crash
PID:3456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1216 -ip 1216
1⤵
PID:2476

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TM6D60.tmp
Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe
Filesize
184KB

MD5
1d92c741bc5b2d34dcd0a0265ab54275

SHA1
a160982825420567c15f6c11f777cb4ccbe69bb8

SHA256
3aab3cf37efd4c034da13a0d7ba8725f49a21d227e05f3bba91d8d36350f4a67

SHA512
1da728dba6383e0e9fc51370f8fb782a15e724b57b952d952e4c719f81d517a56035b1e9496da3d7f9bf79af0a4bd5caa8a351ca60f40d637da3648224944b94

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe
Filesize
184KB

MD5
1d92c741bc5b2d34dcd0a0265ab54275

SHA1
a160982825420567c15f6c11f777cb4ccbe69bb8

SHA256
3aab3cf37efd4c034da13a0d7ba8725f49a21d227e05f3bba91d8d36350f4a67

SHA512
1da728dba6383e0e9fc51370f8fb782a15e724b57b952d952e4c719f81d517a56035b1e9496da3d7f9bf79af0a4bd5caa8a351ca60f40d637da3648224944b94

Download Submit
memory/1120-4-0x0000000074D20000-0x0000000075155000-memory.dmp

Filesize
4.2MB

Download
memory/1216-5-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1216-6-0x0000000002190000-0x00000000021BA000-memory.dmp

Filesize
168KB

Download
memory/1216-10-0x00000000776F2000-0x00000000776F4000-memory.dmp

Filesize
8KB

Download
memory/1216-11-0x00000000776F2000-0x00000000776F3000-memory.dmp

Filesize
4KB

Download