ramnit | 971b7d00e89d22171896189f44d898401620ebf46e343c2102b306a5e3cd4d85

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
12/06/2024, 02:42

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General

Target

b446e37b527a4fffd8d9eec94a221f0e.exe
Size

2.5MB
MD5

b446e37b527a4fffd8d9eec94a221f0e
SHA1

e82ba07d879af9072eb034cfe204b12d4f6e5de6
SHA256

971b7d00e89d22171896189f44d898401620ebf46e343c2102b306a5e3cd4d85
SHA512

8e35e5bd80a68f27f3b527083de6342f8abf6fc608e0bb7ffedca8400c5f7306bce5e3457053f9918f4ef87984586725f75386f99ed09662a02e99496f1707fe
SSDEEP

49152:0r52aGByXObdJaHN67eZOWnsUC5MKsz9/MQ+3I3QwK:e5x+bdJaHxZOWnsE9/oz

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
2060	b446e37b527a4fffd8d9eec94a221f0emgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2424	b446e37b527a4fffd8d9eec94a221f0e.exe
2424	b446e37b527a4fffd8d9eec94a221f0e.exe
2060	b446e37b527a4fffd8d9eec94a221f0emgr.exe
2060	b446e37b527a4fffd8d9eec94a221f0emgr.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2060-15-0x0000000000400000-0x0000000000432000-memory.dmp	upx
behavioral1/memory/2060-19-0x0000000000400000-0x0000000000432000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2696	2060	WerFault.exe	28

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2424	b446e37b527a4fffd8d9eec94a221f0e.exe
2424	b446e37b527a4fffd8d9eec94a221f0e.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2060	2424	b446e37b527a4fffd8d9eec94a221f0e.exe	28
PID 2424 wrote to memory of 2060	2424	b446e37b527a4fffd8d9eec94a221f0e.exe	28
PID 2424 wrote to memory of 2060	2424	b446e37b527a4fffd8d9eec94a221f0e.exe	28
PID 2424 wrote to memory of 2060	2424	b446e37b527a4fffd8d9eec94a221f0e.exe	28

C:\Users\Admin\AppData\Local\Temp\b446e37b527a4fffd8d9eec94a221f0e.exe
"C:\Users\Admin\AppData\Local\Temp\b446e37b527a4fffd8d9eec94a221f0e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\b446e37b527a4fffd8d9eec94a221f0emgr.exe
  C:\Users\Admin\AppData\Local\Temp\b446e37b527a4fffd8d9eec94a221f0emgr.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 180
    3⤵
    - Program crash
    PID:2696

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\b446e37b527a4fffd8d9eec94a221f0emgr.exe

Filesize
157KB

MD5
2ad7467eeceedd64b8bd4f6e04c3cd49

SHA1
d6c5d9878dc49ae9b531d61283609e207154a921

SHA256
2aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9

SHA512
7a647d4a8de90d11cd5afb82ace8354869af0893f28afcf9491d1d4de421315d9a394a5d3462d88c0eff6c5a7a4ed41897d8d0498b59b4b7428ddbb61786be2a

Download Submit
\Users\Admin\AppData\Local\Temp\~TM10C3.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM10F3.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
memory/2060-10-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2060-15-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2060-19-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2424-11-0x0000000000250000-0x0000000000282000-memory.dmp

Filesize
200KB

Download
memory/2424-9-0x0000000000250000-0x0000000000282000-memory.dmp

Filesize
200KB

Download
memory/2424-8-0x0000000000400000-0x0000000000683000-memory.dmp

Filesize
2.5MB

Download