ramnit | 58f8914f4cf307ff94f43f99cc1cd760d72a441067e501570de4a2bb45dfa016

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-01-2025 23:45

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General

Target

JaffaCakes118_5c845862fdc6e6da1ff0d3571f6fb3ae.dll
Size

220KB
MD5

5c845862fdc6e6da1ff0d3571f6fb3ae
SHA1

137f9194056d3813e31534a8bce0dc1080b91920
SHA256

58f8914f4cf307ff94f43f99cc1cd760d72a441067e501570de4a2bb45dfa016
SHA512

a55ccdd317c2528d836a3c42f66c16fdb7922027e441775e019f2d3d7a2962492173d108d87b973cc39c5531af144c62bebfdfffb6d5ceb3b64c53b9a3c95336
SSDEEP

6144:NP7JUPmmV/bWEmR6O1rcBiiRX7MSkECHMjC3llv6:JJkmmV/b8KRrqECHt36

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
2064	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
824	rundll32.exe
824	rundll32.exe
2064	rundll32mgr.exe
2064	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/2064-10-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/2064-18-0x0000000000400000-0x0000000000451000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2404	2064	WerFault.exe	29

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 1820 wrote to memory of 824	1820	rundll32.exe	28
PID 1820 wrote to memory of 824	1820	rundll32.exe	28
PID 1820 wrote to memory of 824	1820	rundll32.exe	28
PID 1820 wrote to memory of 824	1820	rundll32.exe	28
PID 1820 wrote to memory of 824	1820	rundll32.exe	28
PID 1820 wrote to memory of 824	1820	rundll32.exe	28
PID 1820 wrote to memory of 824	1820	rundll32.exe	28
PID 824 wrote to memory of 2064	824	rundll32.exe	29
PID 824 wrote to memory of 2064	824	rundll32.exe	29
PID 824 wrote to memory of 2064	824	rundll32.exe	29
PID 824 wrote to memory of 2064	824	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c845862fdc6e6da1ff0d3571f6fb3ae.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c845862fdc6e6da1ff0d3571f6fb3ae.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:824
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2064
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 148
      4⤵
      Program crash
      PID:2404

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

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
144KB

MD5
609c9eadac4c1cc48b5f89be6c36e276

SHA1
f047b565fdb73d5b75ffaed7b2faa335e82b3514

SHA256
e982967b3a8613149cd29d659a4b4aa6241ef8e4f124458785220e76e8b18325

SHA512
246dab455d7b7661126e79bb9b1b2aee2fee26790b8fde0779d529cfceb295b9df2fb5aca2da1ab3d52f22b4157a46ea8b164e7aa02e842aca2cd27076d85fb5

Download Submit
\Users\Admin\AppData\Local\Temp\~TM84AA.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM8538.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
memory/824-2-0x0000000060A00000-0x0000000060A3B000-memory.dmp

Filesize
236KB

Download
memory/824-0-0x0000000060A00000-0x0000000060A3B000-memory.dmp

Filesize
236KB

Download
memory/2064-10-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2064-18-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download