ramnit | 19531291bea3045b5ac2c601ac963abc931fba82f32d2c286ab41986d4c2a316

Analysis

max time kernel
4s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04-12-2022 02:30

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General

Target

19531291bea3045b5ac2c601ac963abc931fba82f32d2c286ab41986d4c2a316.dll
Size

232KB
MD5

d5acca72ed4f11c6fe6927adf5c36490
SHA1

10fe93cddce772367514521abad584c54f6a89ac
SHA256

19531291bea3045b5ac2c601ac963abc931fba82f32d2c286ab41986d4c2a316
SHA512

b3c50657815e5574f5c5158a185e80b60ef8ada03aa1e50847c29a1ba6449eff4d4a44935668b9e3180a56d6ffb3f4b80b4eb33aa0b2bfb8fd8e9e72ed72e16b
SSDEEP

6144:/yG3zvrzG/UFFvL17I8LcbjZALOlwfPzLM6an8isBOM8BKb:T3sUFFvL17I8LcbjUMH8isBOrAb

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
2044	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2044-64-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
1932	rundll32.exe
1932	rundll32.exe
2044	rundll32mgr.exe
2044	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 1932	1496	rundll32.exe	27
PID 1496 wrote to memory of 1932	1496	rundll32.exe	27
PID 1496 wrote to memory of 1932	1496	rundll32.exe	27
PID 1496 wrote to memory of 1932	1496	rundll32.exe	27
PID 1496 wrote to memory of 1932	1496	rundll32.exe	27
PID 1496 wrote to memory of 1932	1496	rundll32.exe	27
PID 1496 wrote to memory of 1932	1496	rundll32.exe	27
PID 1932 wrote to memory of 2044	1932	rundll32.exe	28
PID 1932 wrote to memory of 2044	1932	rundll32.exe	28
PID 1932 wrote to memory of 2044	1932	rundll32.exe	28
PID 1932 wrote to memory of 2044	1932	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\19531291bea3045b5ac2c601ac963abc931fba82f32d2c286ab41986d4c2a316.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\19531291bea3045b5ac2c601ac963abc931fba82f32d2c286ab41986d4c2a316.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2044

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
f8434f362add5334f4f050f4b4b373a7

SHA1
f5915cb0d72c8faffe11126bc29da1b1db8092bc

SHA256
d34b378ede04c585c2bff8cf32112904e8512ee80c5a9fbb34ba224d8dbc868b

SHA512
6c6b4ea2b0e37a346145ee2814789d9da4c2688aff1c3e1cced16a620e8dc81566670336a3fe8a510b1754bbac6c3c6ac20aa7e20359b9c322bb220b50ac30b9

Download Submit
\Users\Admin\AppData\Local\Temp\~TMACA5.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TMACF4.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
f8434f362add5334f4f050f4b4b373a7

SHA1
f5915cb0d72c8faffe11126bc29da1b1db8092bc

SHA256
d34b378ede04c585c2bff8cf32112904e8512ee80c5a9fbb34ba224d8dbc868b

SHA512
6c6b4ea2b0e37a346145ee2814789d9da4c2688aff1c3e1cced16a620e8dc81566670336a3fe8a510b1754bbac6c3c6ac20aa7e20359b9c322bb220b50ac30b9

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
f8434f362add5334f4f050f4b4b373a7

SHA1
f5915cb0d72c8faffe11126bc29da1b1db8092bc

SHA256
d34b378ede04c585c2bff8cf32112904e8512ee80c5a9fbb34ba224d8dbc868b

SHA512
6c6b4ea2b0e37a346145ee2814789d9da4c2688aff1c3e1cced16a620e8dc81566670336a3fe8a510b1754bbac6c3c6ac20aa7e20359b9c322bb220b50ac30b9

Download Submit
memory/1932-55-0x0000000075131000-0x0000000075133000-memory.dmp

Filesize
8KB

Download
memory/2044-63-0x00000000001B0000-0x00000000001DA000-memory.dmp

Filesize
168KB

Download
memory/2044-64-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2044-65-0x0000000077010000-0x0000000077190000-memory.dmp

Filesize
1.5MB

Download