ramnit | 8348bb84f4f0a15db681ae084e03d71a28c2d3861c29776813c72cc2ae417dfb

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-06-2024 10:51

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General

Target

341148705b12e51737fd884672b564a0_NeikiAnalytics.dll
Size

246KB
MD5

341148705b12e51737fd884672b564a0
SHA1

8824930a6c3098723e46ae0a76f0edc728a4cd25
SHA256

8348bb84f4f0a15db681ae084e03d71a28c2d3861c29776813c72cc2ae417dfb
SHA512

627dc43f729ae5cea316f11210fbde8213c18d99138580a182180b913695a6431f1d5c4b6d551622cc5bcdbb39a069dcf865a6c3eab46098d80ae9a96808b101
SSDEEP

3072:EQR2HnTrsEJTqVXHUJePMqvk9sEFU6tiNO85/BEZR6aJjdGE0F6GqJu:E1nTAEJqKJedvIsn6I9BEZR6an0FB

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

3000 rundll32mgr.exe
Loads dropped DLL 4 IoCs

Processes:

rundll32.exerundll32mgr.exe

pid process

2652 rundll32.exe
2652 rundll32.exe
3000 rundll32mgr.exe
3000 rundll32mgr.exe

pid	process
3000	rundll32mgr.exe

pid	process
2652	rundll32.exe
2652	rundll32.exe
3000	rundll32mgr.exe
3000	rundll32mgr.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/3000-17-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/3000-21-0x0000000000400000-0x0000000000446000-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

2684 2652 WerFault.exe rundll32.exe

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

pid	pid_target	process	target process
2684	2652	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2196 wrote to memory of 2652	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2652	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2652	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2652	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2652	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2652	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2652	2196	rundll32.exe	rundll32.exe
PID 2652 wrote to memory of 3000	2652	rundll32.exe	rundll32mgr.exe
PID 2652 wrote to memory of 3000	2652	rundll32.exe	rundll32mgr.exe
PID 2652 wrote to memory of 3000	2652	rundll32.exe	rundll32mgr.exe
PID 2652 wrote to memory of 3000	2652	rundll32.exe	rundll32mgr.exe
PID 2652 wrote to memory of 2684	2652	rundll32.exe	WerFault.exe
PID 2652 wrote to memory of 2684	2652	rundll32.exe	WerFault.exe
PID 2652 wrote to memory of 2684	2652	rundll32.exe	WerFault.exe
PID 2652 wrote to memory of 2684	2652	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\341148705b12e51737fd884672b564a0_NeikiAnalytics.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\341148705b12e51737fd884672b564a0_NeikiAnalytics.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:3000
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 244
    3⤵
    - Program crash
    PID:2684

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\~TM15A3.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM15C3.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
227KB

MD5
00db1dc3bb53779c04608487477ba078

SHA1
f7521d86c3c06f114cf7eaf31b8953bf30e07c6a

SHA256
20d47369661b9c2b8264dbf50225ecb5c777f3ee9397bca0581e77865d31c97e

SHA512
3d703575a6e54f122bfb4815753387e5f42094f24899976ffce17972f92c329c4340ae088d2b349c65c9b5709d3c08acdafbe859411931b70cc39202112b67b9

Download Submit
memory/2652-2-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/2652-4-0x0000000000230000-0x0000000000276000-memory.dmp

Filesize
280KB

Download
memory/2652-1-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/2652-11-0x0000000000230000-0x0000000000276000-memory.dmp

Filesize
280KB

Download
memory/3000-12-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3000-13-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3000-17-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3000-21-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download