ramnit | 21f3bd2c7515bfeef02b0295f97d0c68bf296c6004b88bba94d2b57ced08e95f

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/04/2024, 11:44

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General

Target

2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnit.exe
Size

241KB
MD5

c39485a1c3300463348eaa752784a506
SHA1

e6c2ac85acc16434f818c065de1e5811098bc3b8
SHA256

21f3bd2c7515bfeef02b0295f97d0c68bf296c6004b88bba94d2b57ced08e95f
SHA512

10df37b93ba7270db64c1bf69ef70a9428d6e38703a81e5e667da610dc6c2ac896667ef4adad3aa2a9c7dc511b7b0297f61feaef4ef942d9a1d344410bb16983
SSDEEP

3072:dRu4T8pmpXyF/hpBE5fgq09o6GwuDpW2mmtRVQkIr05+u4dC5ehyreqv/kmDfE5T:dRu4TXyF/wpFJIy4hhyr2OMBEclDwg

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

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral1/memory/1636-11-0x0000000000400000-0x000000000042A000-memory.dmp	UPX
behavioral1/memory/1636-12-0x0000000000430000-0x000000000045A000-memory.dmp	UPX
behavioral1/memory/1636-22-0x0000000000400000-0x000000000042A000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
1636	2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnitmgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2844	2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnit.exe
2844	2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnit.exe
1636	2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnitmgr.exe
1636	2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnitmgr.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1636-11-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral1/memory/1636-22-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3032	1636	WerFault.exe	29

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 1636	2844	2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnit.exe	29
PID 2844 wrote to memory of 1636	2844	2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnit.exe	29
PID 2844 wrote to memory of 1636	2844	2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnit.exe	29
PID 2844 wrote to memory of 1636	2844	2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnit.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnit.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Users\Admin\AppData\Local\Temp\2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnitmgr.exe
  C:\Users\Admin\AppData\Local\Temp\2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnitmgr.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 180
    3⤵
    - Program crash
    PID:3032

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\2024-04-11_c39485a1c3300463348eaa752784a506_karagany_mafia_ramnitmgr.exe

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

Download Submit
\Users\Admin\AppData\Local\Temp\~TM1D9E.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM1DBF.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
memory/1636-11-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1636-12-0x0000000000430000-0x000000000045A000-memory.dmp

Filesize
168KB

Download
memory/1636-17-0x0000000077110000-0x0000000077111000-memory.dmp

Filesize
4KB

Download
memory/1636-18-0x0000000077110000-0x0000000077112000-memory.dmp

Filesize
8KB

Download
memory/1636-15-0x000000007710F000-0x0000000077111000-memory.dmp

Filesize
8KB

Download
memory/1636-22-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1636-21-0x00000000768A0000-0x00000000769B0000-memory.dmp

Filesize
1.1MB

Download
memory/1636-23-0x00000000768A0000-0x00000000769B0000-memory.dmp

Filesize
1.1MB

Download
memory/2844-0-0x0000000000F40000-0x0000000000F83000-memory.dmp

Filesize
268KB

Download
memory/2844-9-0x0000000000F40000-0x0000000000F83000-memory.dmp

Filesize
268KB

Download