ramnit | bca597d383fc8d31d0d3e4fbbdd7d29a1020497e4b9d57b944eae5e033da1551

Analysis

max time kernel
30s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
21-11-2022 10:27

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General

Target

bca597d383fc8d31d0d3e4fbbdd7d29a1020497e4b9d57b944eae5e033da1551.dll
Size

190KB
MD5

1891ac3a1ea2027fafb7a46a9cb09660
SHA1

faf4ad34a4a682ddfc171fb4a507c6818741df8f
SHA256

bca597d383fc8d31d0d3e4fbbdd7d29a1020497e4b9d57b944eae5e033da1551
SHA512

97d523fca7fb1b839b39b194b1f119f45946961ab3c546682718465f6e5bac4b242f5fe509cb493d280effe978c5eb1bae2ebfdff3fe6cd39e6cdc16a3b937ba
SSDEEP

3072:Zr4tCk6tbO/FaFb5jzL6xmY4mh3TB4xTVTQdA1jLwLD351dOJf6ZMKI3jf54X24G:RMwTVTQmdLw3aL3jfU53M

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
936	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/936-63-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
1892	rundll32.exe
1892	rundll32.exe
936	rundll32mgr.exe
936	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
572	936	WerFault.exe	29

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 1892	1240	rundll32.exe	28
PID 1240 wrote to memory of 1892	1240	rundll32.exe	28
PID 1240 wrote to memory of 1892	1240	rundll32.exe	28
PID 1240 wrote to memory of 1892	1240	rundll32.exe	28
PID 1240 wrote to memory of 1892	1240	rundll32.exe	28
PID 1240 wrote to memory of 1892	1240	rundll32.exe	28
PID 1240 wrote to memory of 1892	1240	rundll32.exe	28
PID 1892 wrote to memory of 936	1892	rundll32.exe	29
PID 1892 wrote to memory of 936	1892	rundll32.exe	29
PID 1892 wrote to memory of 936	1892	rundll32.exe	29
PID 1892 wrote to memory of 936	1892	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bca597d383fc8d31d0d3e4fbbdd7d29a1020497e4b9d57b944eae5e033da1551.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bca597d383fc8d31d0d3e4fbbdd7d29a1020497e4b9d57b944eae5e033da1551.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:936
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 180
      4⤵
      Program crash
      PID:572

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

Download Submit
\Users\Admin\AppData\Local\Temp\~TM272.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM2EF.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

Download Submit
memory/936-63-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/936-64-0x00000000001B0000-0x00000000001DA000-memory.dmp

Filesize
168KB

Download
memory/936-65-0x0000000077CE0000-0x0000000077E60000-memory.dmp

Filesize
1.5MB

Download
memory/1892-55-0x0000000075EC1000-0x0000000075EC3000-memory.dmp

Filesize
8KB

Download
memory/1892-66-0x0000000050590000-0x00000000505C3000-memory.dmp

Filesize
204KB

Download