ramnit | 47694aad594291de973b3aa278bbf2c3caeaefa1899eb0d2d2e6523850e2c86b

General

Target

JaffaCakes118_27bbf09f3db6e1b9e44d519ca14a2d13.dll
Size

1.3MB
MD5

27bbf09f3db6e1b9e44d519ca14a2d13
SHA1

2ab8492398e5b3b29c7ba6b9f2c960dc1a58b182
SHA256

47694aad594291de973b3aa278bbf2c3caeaefa1899eb0d2d2e6523850e2c86b
SHA512

abfa41c0c08f2fc99d4cc371782fdb070ab040258889c6c0ec97cb3aca8f3dec36976c9f66adad555326f6f4ae9b936146131cf7822bdb58336c452f8ffb9602
SSDEEP

12288:p9g8GZHpzAac5naAd25L5O+FQ7lW8lZ60ICPxaf6og38BfSH6gqrandxT+is3pjf:p68+O6pvbt/wuzTB2OF+3xc1

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 2 IoCs

pid	Process
2412	rundll32mgr.exe
444	rundll32mgrmgr.exe

Loads dropped DLL 2 IoCs

pid	Process
2412	rundll32mgr.exe
444	rundll32mgrmgr.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe
File created	C:\Windows\SysWOW64\rundll32mgrmgr.exe	rundll32mgr.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2412-13-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/444-16-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Program crash 3 IoCs

pid	pid_target	Process	procid_target
4884	444	WerFault.exe	85
4460	2412	WerFault.exe	83
4400	3824	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 3 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgrmgr.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 3824	4832	rundll32.exe	82
PID 4832 wrote to memory of 3824	4832	rundll32.exe	82
PID 4832 wrote to memory of 3824	4832	rundll32.exe	82
PID 3824 wrote to memory of 2412	3824	rundll32.exe	83
PID 3824 wrote to memory of 2412	3824	rundll32.exe	83
PID 3824 wrote to memory of 2412	3824	rundll32.exe	83
PID 2412 wrote to memory of 444	2412	rundll32mgr.exe	85
PID 2412 wrote to memory of 444	2412	rundll32mgr.exe	85
PID 2412 wrote to memory of 444	2412	rundll32mgr.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27bbf09f3db6e1b9e44d519ca14a2d13.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4832
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27bbf09f3db6e1b9e44d519ca14a2d13.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3824
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2412
  - - C:\Windows\SysWOW64\rundll32mgrmgr.exe
      C:\Windows\SysWOW64\rundll32mgrmgr.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:444
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 444 -s 10176
        5⤵
        Program crash
        
        PID:4884
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 10188
      4⤵
      Program crash
      PID:4460
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3824 -s 612
    3⤵
    - Program crash
    PID:4400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3824 -ip 3824
1⤵
PID:4008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 444 -ip 444
1⤵
PID:4120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2412 -ip 2412
1⤵
PID:4524

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\~TM6F54.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
191KB

MD5
3f032b64eabd13161ec2a48bc374ba7c

SHA1
ec758a631b21e799f81d74818f918cff2bac45da

SHA256
6d948b078f0940f0cdcc210dc193300f4b53aa52e46b3b52ec5461fdb9b63bbb

SHA512
6439aa4d5583979fb6f5ca19e279393775656e3e1c809ca60c2e7efe3c23ae4abf433b7f983b8d965b748ba21c3a51c5faaa09cf430c1dd628ec8c4fc514f77f

Download Submit
C:\Windows\SysWOW64\rundll32mgrmgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
memory/444-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/444-16-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2412-5-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2412-13-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2412-11-0x00000000004F0000-0x000000000054D000-memory.dmp

Filesize
372KB

Download
memory/3824-1-0x0000000010000000-0x000000001015B000-memory.dmp

Filesize
1.4MB

Download
memory/3824-20-0x0000000010000000-0x000000001015B000-memory.dmp

Filesize
1.4MB

Download

Analysis

Sharing