ramnit | 8747ce94f1ad3ae394252a3c2a4c2d22ccc0fc19d4bcce287b8ac9542b38f9b4

Analysis

max time kernel
121s
max time network
129s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 07:22

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General

Target

0e6c2a7e647043a1a469e69223873845.dll
Size

261KB
MD5

0e6c2a7e647043a1a469e69223873845
SHA1

8acb67cd8ec82e1fcbfc8eae53dbc249964258d2
SHA256

8747ce94f1ad3ae394252a3c2a4c2d22ccc0fc19d4bcce287b8ac9542b38f9b4
SHA512

260a0ea09617b10842e568fa87730f3bfa3123c334ffb26212f401c612c8d659b00cb54796332cd1613b94c32789b05afe50fd73cacc0495a9ff62d706249609
SSDEEP

6144:UCIGPj038tAgFMldWNX+pQt0WWgX2ypKx1:Zj038t/FMldW4+t0VP

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
2740	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2368	rundll32.exe
2368	rundll32.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2740-12-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2740-22-0x0000000000400000-0x0000000000442000-memory.dmp	upx

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
1312	2368	WerFault.exe	28

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2368	2288	rundll32.exe	28
PID 2288 wrote to memory of 2368	2288	rundll32.exe	28
PID 2288 wrote to memory of 2368	2288	rundll32.exe	28
PID 2288 wrote to memory of 2368	2288	rundll32.exe	28
PID 2288 wrote to memory of 2368	2288	rundll32.exe	28
PID 2288 wrote to memory of 2368	2288	rundll32.exe	28
PID 2288 wrote to memory of 2368	2288	rundll32.exe	28
PID 2368 wrote to memory of 2740	2368	rundll32.exe	29
PID 2368 wrote to memory of 2740	2368	rundll32.exe	29
PID 2368 wrote to memory of 2740	2368	rundll32.exe	29
PID 2368 wrote to memory of 2740	2368	rundll32.exe	29
PID 2368 wrote to memory of 1312	2368	rundll32.exe	30
PID 2368 wrote to memory of 1312	2368	rundll32.exe	30
PID 2368 wrote to memory of 1312	2368	rundll32.exe	30
PID 2368 wrote to memory of 1312	2368	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e6c2a7e647043a1a469e69223873845.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0e6c2a7e647043a1a469e69223873845.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 228
    3⤵
    - Program crash
    PID:1312

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\~TM9157.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM91C5.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
5c8b2f1499f748bc9175df521ccfb94d

SHA1
1586cdfdf987d3d10cd85b142f7020f8e656b693

SHA256
1a37e324b3de62bf0fdd1209f5cc286b399f22b5ed4cecc19a59183ba626d9b0

SHA512
c72561bd4b22f8f36c9aa0df33f1d8c4f9197f80fe8a4c1566d9a62409dc415492d689d6628fb50d96d94652b4ae6295c2314924ce04de8cbb0c433fc7797d9b

Download Submit
memory/2368-3-0x0000000000200000-0x0000000000242000-memory.dmp

Filesize
264KB

Download
memory/2368-1-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/2740-11-0x0000000000270000-0x00000000002B2000-memory.dmp

Filesize
264KB

Download
memory/2740-15-0x000000007731F000-0x0000000077321000-memory.dmp

Filesize
8KB

Download
memory/2740-17-0x0000000077320000-0x0000000077321000-memory.dmp

Filesize
4KB

Download
memory/2740-18-0x0000000077320000-0x0000000077322000-memory.dmp

Filesize
8KB

Download
memory/2740-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2740-21-0x0000000076BD0000-0x0000000076CE0000-memory.dmp

Filesize
1.1MB

Download
memory/2740-23-0x0000000076BD0000-0x0000000076CE0000-memory.dmp

Filesize
1.1MB

Download