ramnit | f1fdb3e82cd424c372387c49d59b5ed728d382f0038c287eb04c3ca5e9a34a2e

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 07:36

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General

Target

f1fdb3e82cd424c372387c49d59b5ed728d382f0038c287eb04c3ca5e9a34a2e.dll
Size

212KB
MD5

09ea734fab5dbea864bf5b52283bbc51
SHA1

57a527b9df7dafef0d9b5fc56deb03715482e2bd
SHA256

f1fdb3e82cd424c372387c49d59b5ed728d382f0038c287eb04c3ca5e9a34a2e
SHA512

3eedbaa07f613757b883d14e0bacb8713744eeab420a68093c5acdc43cf8efa151bce1972561ae996de60f1740c2ea4ed235075d3a0d952c42233a7651990829
SSDEEP

3072:wgKKuiX63bw5dNjDh8pWVgTlFIYa+ZG7Td2v4nDn7t1/MyYOiGFVzm5UthMMZG:hKZp3KNjVGvar2v4zRB54GF1mzMZG

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
2012	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2012-64-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
1832	rundll32.exe
1832	rundll32.exe
2012	rundll32mgr.exe
2012	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 1100 wrote to memory of 1832	1100	rundll32.exe	28
PID 1100 wrote to memory of 1832	1100	rundll32.exe	28
PID 1100 wrote to memory of 1832	1100	rundll32.exe	28
PID 1100 wrote to memory of 1832	1100	rundll32.exe	28
PID 1100 wrote to memory of 1832	1100	rundll32.exe	28
PID 1100 wrote to memory of 1832	1100	rundll32.exe	28
PID 1100 wrote to memory of 1832	1100	rundll32.exe	28
PID 1832 wrote to memory of 2012	1832	rundll32.exe	29
PID 1832 wrote to memory of 2012	1832	rundll32.exe	29
PID 1832 wrote to memory of 2012	1832	rundll32.exe	29
PID 1832 wrote to memory of 2012	1832	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1fdb3e82cd424c372387c49d59b5ed728d382f0038c287eb04c3ca5e9a34a2e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1fdb3e82cd424c372387c49d59b5ed728d382f0038c287eb04c3ca5e9a34a2e.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1832
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2012

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
\Users\Admin\AppData\Local\Temp\~TMFDC0.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TMFE4E.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
memory/1832-55-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

Download
memory/2012-63-0x0000000000220000-0x0000000000264000-memory.dmp

Filesize
272KB

Download
memory/2012-64-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2012-65-0x0000000077B50000-0x0000000077CD0000-memory.dmp

Filesize
1.5MB

Download