ramnit | a00ab1a1d41de7f1b3b72e31e42219f2d7f8b364a0b34d267aa89cc9bff37a37

General

Target

c19e3a7ee978eb9629678645ca0969bb_JaffaCakes118.dll
Size

210KB
MD5

c19e3a7ee978eb9629678645ca0969bb
SHA1

d25b02f3f1d6f8625ef6c51d5597818600cf3b5f
SHA256

a00ab1a1d41de7f1b3b72e31e42219f2d7f8b364a0b34d267aa89cc9bff37a37
SHA512

53d6d85d6dd0a1013f949f2ff9f2c9768f6d0646aef7b00222cdaab891e444c791e1eda143a701b7e697224c98a758ca7fd7f392dd666c57e24d20325f6baafb
SSDEEP

6144:r7BnHUrgTBGv+BWOn6d/ed0SRdATt3XMoDEnEj:r7BHigTsv+Bpe/e2G6ZnDkO

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 2 IoCs

pid	Process
2660	rundll32mgr.exe
1268	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
1268	rundll32mgr.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1268-10-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/1268-14-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/1268-13-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/1268-15-0x0000000000400000-0x0000000000463000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2660 set thread context of 1268	2660	rundll32mgr.exe	92

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4796	852	WerFault.exe	84
1868	1268	WerFault.exe	92

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 SetWindowsHookEx 1 IoCs

pid	Process
2660	rundll32mgr.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 852	2256	rundll32.exe	84
PID 2256 wrote to memory of 852	2256	rundll32.exe	84
PID 2256 wrote to memory of 852	2256	rundll32.exe	84
PID 852 wrote to memory of 2660	852	rundll32.exe	85
PID 852 wrote to memory of 2660	852	rundll32.exe	85
PID 852 wrote to memory of 2660	852	rundll32.exe	85
PID 2660 wrote to memory of 1268	2660	rundll32mgr.exe	92
PID 2660 wrote to memory of 1268	2660	rundll32mgr.exe	92
PID 2660 wrote to memory of 1268	2660	rundll32mgr.exe	92
PID 2660 wrote to memory of 1268	2660	rundll32mgr.exe	92
PID 2660 wrote to memory of 1268	2660	rundll32mgr.exe	92
PID 2660 wrote to memory of 1268	2660	rundll32mgr.exe	92
PID 2660 wrote to memory of 1268	2660	rundll32mgr.exe	92
PID 2660 wrote to memory of 1268	2660	rundll32mgr.exe	92

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c19e3a7ee978eb9629678645ca0969bb_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c19e3a7ee978eb9629678645ca0969bb_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:852
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2660
  - - C:\Windows\SysWOW64\rundll32mgr.exe
      "C:\Windows\SysWOW64\rundll32mgr.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:1268
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 256
        5⤵
        Program crash
        
        PID:1868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 616
    3⤵
    - Program crash
    PID:4796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 852 -ip 852
1⤵
PID:1692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1268 -ip 1268
1⤵
PID:1300

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

C:\Users\Admin\AppData\Local\Temp\~TM855C.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
148KB

MD5
a758bae992041958e59e16e303fccb6e

SHA1
ed836b5a0d9af7107b86969691078bf9eebf9a3c

SHA256
393f0b4ef739ec6b1f6eb242586d40e7d927211d6c6100fa1f3642a76a83b615

SHA512
8e4efadbe72e6a6eec55a81d075fc903c32f46ca950989c7029c3df3bb6a7adef97d69bbc5d93fff38dc5aed18fa011efbb31d39f440f2003b73ff5a280bf48a

Download Submit
memory/852-1-0x0000000010000000-0x0000000010039000-memory.dmp

Filesize
228KB

Download
memory/852-9-0x0000000010000000-0x0000000010039000-memory.dmp

Filesize
228KB

Download
memory/1268-10-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1268-14-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1268-13-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1268-15-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2660-4-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2660-6-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download
memory/2660-19-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download
memory/2660-18-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

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