ramnit | 298d92edcdcc877baa3f24b70fd6b1268a8db6f2436f32fb2038c0b03e74e16e

General

Target

298d92edcdcc877baa3f24b70fd6b1268a8db6f2436f32fb2038c0b03e74e16eN.dll
Size

665KB
MD5

1c8fd6b1587bb64b6ed0f029c8127bb0
SHA1

0863ff4eb35215e84917cfc30568cb5fd9d7103b
SHA256

298d92edcdcc877baa3f24b70fd6b1268a8db6f2436f32fb2038c0b03e74e16e
SHA512

fae5de875d8c38ec3be0c285e33b8375c841af833d08675685a481806ee4dbb57a51b962df2c1f5d591bb0f84d5568c1f4f962ae98e11084c8abfa4d0be40676
SSDEEP

12288:/h8fZLyb9PzVMBC/HVMOp4PkxHLCYwZckMQMNev7TTBuWYC1zhkW7l05:/8F+Pzr/Hfp4MIYwZckMQmcqMzh/g

Score

10^/10

ramnit banker discovery 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
2812	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2372	rundll32.exe
2372	rundll32.exe
2812	rundll32mgr.exe
2812	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2812-13-0x0000000000400000-0x0000000000481000-memory.dmp	upx
behavioral1/memory/2812-22-0x0000000000400000-0x0000000000481000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2372	3028	rundll32.exe	30
PID 3028 wrote to memory of 2372	3028	rundll32.exe	30
PID 3028 wrote to memory of 2372	3028	rundll32.exe	30
PID 3028 wrote to memory of 2372	3028	rundll32.exe	30
PID 3028 wrote to memory of 2372	3028	rundll32.exe	30
PID 3028 wrote to memory of 2372	3028	rundll32.exe	30
PID 3028 wrote to memory of 2372	3028	rundll32.exe	30
PID 2372 wrote to memory of 2812	2372	rundll32.exe	31
PID 2372 wrote to memory of 2812	2372	rundll32.exe	31
PID 2372 wrote to memory of 2812	2372	rundll32.exe	31
PID 2372 wrote to memory of 2812	2372	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\298d92edcdcc877baa3f24b70fd6b1268a8db6f2436f32fb2038c0b03e74e16eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\298d92edcdcc877baa3f24b70fd6b1268a8db6f2436f32fb2038c0b03e74e16eN.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2372
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\~TM7F7C.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM7FBC.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
230KB

MD5
b42f5caf5d8471c34605faac7f278571

SHA1
8baf865dee9f3011fb467afe0f22cfd5bb5c5d47

SHA256
38d89c5a881ec75d8f08139f374c8f7aa1aa22d0df211f31a82f9ef6fcb25d8c

SHA512
2ce01499790db18f53043638cca357363cf993cefbd050e32a7c2f802f5bd0c58bef62da35050b6faef713cc030277bdc90a44922618808dd1573ca35f0fcb44

Download Submit
memory/2372-0-0x0000000010000000-0x00000000100AC000-memory.dmp

Filesize
688KB

Download
memory/2372-1-0x0000000010000000-0x00000000100AC000-memory.dmp

Filesize
688KB

Download
memory/2372-10-0x0000000000320000-0x00000000003A1000-memory.dmp

Filesize
516KB

Download
memory/2372-15-0x0000000000320000-0x00000000003A1000-memory.dmp

Filesize
516KB

Download
memory/2372-8-0x0000000000320000-0x00000000003A1000-memory.dmp

Filesize
516KB

Download
memory/2812-12-0x0000000000310000-0x0000000000391000-memory.dmp

Filesize
516KB

Download
memory/2812-13-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2812-22-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download

Analysis

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