ramnit | 54d5ee4a19ec454c2850b177ed974f5d3b6ffcbecd0f1622e7cf331e67047c5a

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-01-2025 00:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_3a92779f3987f2a870dccf69e02a30b1.dll
Size

232KB
MD5

3a92779f3987f2a870dccf69e02a30b1
SHA1

886caff0edd127e2c8fd8740cbfd8dd7bd22dfca
SHA256

54d5ee4a19ec454c2850b177ed974f5d3b6ffcbecd0f1622e7cf331e67047c5a
SHA512

296af926ef017543cf2bc77b1d716189b93348e09c6154d259457a27294f08a7aef0c9099073cd7d29f2c7f438f75690022dc030120002b432264a64f9a9aa59
SSDEEP

3072:MiJQeQYiE6Zp0Glt9bnYNd/KG0DdFcXRrB5XUsI1FhCBA++KdVTyb+6VmC:RJQpTlt9L4BP05OBteIn+KvySC

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
2184	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2124	rundll32.exe
2124	rundll32.exe
2184	rundll32mgr.exe
2184	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/2184-10-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2184-17-0x0000000000400000-0x0000000000451000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1580	2184	WerFault.exe	32

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 1708 wrote to memory of 2124	1708	rundll32.exe	31
PID 1708 wrote to memory of 2124	1708	rundll32.exe	31
PID 1708 wrote to memory of 2124	1708	rundll32.exe	31
PID 1708 wrote to memory of 2124	1708	rundll32.exe	31
PID 1708 wrote to memory of 2124	1708	rundll32.exe	31
PID 1708 wrote to memory of 2124	1708	rundll32.exe	31
PID 1708 wrote to memory of 2124	1708	rundll32.exe	31
PID 2124 wrote to memory of 2184	2124	rundll32.exe	32
PID 2124 wrote to memory of 2184	2124	rundll32.exe	32
PID 2124 wrote to memory of 2184	2124	rundll32.exe	32
PID 2124 wrote to memory of 2184	2124	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a92779f3987f2a870dccf69e02a30b1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a92779f3987f2a870dccf69e02a30b1.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2184
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 148
      4⤵
      Program crash
      PID:1580

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\~TMD0D6.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TMD116.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
144KB

MD5
609c9eadac4c1cc48b5f89be6c36e276

SHA1
f047b565fdb73d5b75ffaed7b2faa335e82b3514

SHA256
e982967b3a8613149cd29d659a4b4aa6241ef8e4f124458785220e76e8b18325

SHA512
246dab455d7b7661126e79bb9b1b2aee2fee26790b8fde0779d529cfceb295b9df2fb5aca2da1ab3d52f22b4157a46ea8b164e7aa02e842aca2cd27076d85fb5

Download Submit
memory/2124-7-0x0000000010000000-0x000000001003A000-memory.dmp

Filesize
232KB

Download
memory/2124-8-0x0000000010000000-0x000000001003A000-memory.dmp

Filesize
232KB

Download
memory/2184-10-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2184-17-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download