ramnit | 8a416dbae7477f0920112860a124256a4e06aec830113add0129729c0d0d94bb

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 12:52

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General

Target

JaffaCakes118_79c7fc6e9730a9dfdbe1db100e1f40e3.dll
Size

304KB
MD5

79c7fc6e9730a9dfdbe1db100e1f40e3
SHA1

65fd51e361f4d6176b6e728e96f69f9d0fa02149
SHA256

8a416dbae7477f0920112860a124256a4e06aec830113add0129729c0d0d94bb
SHA512

be3e28bf4856e3c08fb5587eabe50e7807c8be6a34109f52a2db4dc4c6a2ac0ebb51e05a760b217893f52f705cacc8cefe27dd8b8519555a99576206748d7644
SSDEEP

6144:oi7pIJa8jZsxFPWt+g0QPekyswLCwuSr08hKZFXZoMq3f:nr8SjWh0igTx9nXMOf

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
Ramnit family
ramnit

Executes dropped EXE 1 IoCs

pid	Process
1708	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2368	rundll32.exe
2368	rundll32.exe
1708	rundll32mgr.exe
1708	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1708-12-0x0000000000400000-0x0000000000483000-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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2368	2520	rundll32.exe	30
PID 2520 wrote to memory of 2368	2520	rundll32.exe	30
PID 2520 wrote to memory of 2368	2520	rundll32.exe	30
PID 2520 wrote to memory of 2368	2520	rundll32.exe	30
PID 2520 wrote to memory of 2368	2520	rundll32.exe	30
PID 2520 wrote to memory of 2368	2520	rundll32.exe	30
PID 2520 wrote to memory of 2368	2520	rundll32.exe	30
PID 2368 wrote to memory of 1708	2368	rundll32.exe	31
PID 2368 wrote to memory of 1708	2368	rundll32.exe	31
PID 2368 wrote to memory of 1708	2368	rundll32.exe	31
PID 2368 wrote to memory of 1708	2368	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79c7fc6e9730a9dfdbe1db100e1f40e3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79c7fc6e9730a9dfdbe1db100e1f40e3.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\~TM9CDB.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM9D0B.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
203KB

MD5
342d865e83df9b760c70dedb7c60167e

SHA1
12c0376bb867b4533b1ea8240dd5688067e5fac6

SHA256
859554f496b469f14fb71e1e5b0b73e9e70f9f80fd3f16557003fa24cf87ea26

SHA512
9e85bceee0e8d4b818096ab140510013032c3165aaabc808e9c28cf71182b2155b359c3256a52b14917b15418cd5eae2bb80b920ef18ff74f32df63e9d269a35

Download Submit
memory/1708-10-0x0000000000490000-0x0000000000513000-memory.dmp

Filesize
524KB

Download
memory/1708-12-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1708-20-0x0000000000490000-0x0000000000513000-memory.dmp

Filesize
524KB

Download
memory/2368-0-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/2368-2-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download