ramnit | 952b976758c83fa247f417fb3195277c1522222a92a897a7f8ed66d74bde7ecd

General

Target

0200557e45133b8e58841b36be401e00_JaffaCakes118.dll
Size

343KB
MD5

0200557e45133b8e58841b36be401e00
SHA1

d2870cbeb09754804deb00ead0db443668064afd
SHA256

952b976758c83fa247f417fb3195277c1522222a92a897a7f8ed66d74bde7ecd
SHA512

ffcd3ba30fa7f2b6a8abe767ca851759dba8ac811bdcc952ad7c26275609c645747892a5f09be0f543e09d01f2cdb38121acaab686cb2feeb9f4f0a4d73210ba
SSDEEP

6144:pMJOWK4l0wqOVq1ZweJ2L9Y+fJsaosgF315PjWGpNcAlURB:p2OWK4llnZY+ms015PjlpyEUf

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
4756	rundll32mgr.exe
2156	rundll32mgrmgr.exe

Loads dropped DLL 2 IoCs

pid	Process
4756	rundll32mgr.exe
2156	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/2156-14-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral2/memory/4756-12-0x0000000000400000-0x000000000045C000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3212	4756	WerFault.exe	83
1088	2156	WerFault.exe	84

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 556 wrote to memory of 3928	556	rundll32.exe	82
PID 556 wrote to memory of 3928	556	rundll32.exe	82
PID 556 wrote to memory of 3928	556	rundll32.exe	82
PID 3928 wrote to memory of 4756	3928	rundll32.exe	83
PID 3928 wrote to memory of 4756	3928	rundll32.exe	83
PID 3928 wrote to memory of 4756	3928	rundll32.exe	83
PID 4756 wrote to memory of 2156	4756	rundll32mgr.exe	84
PID 4756 wrote to memory of 2156	4756	rundll32mgr.exe	84
PID 4756 wrote to memory of 2156	4756	rundll32mgr.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0200557e45133b8e58841b36be401e00_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:556
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0200557e45133b8e58841b36be401e00_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3928
- - 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:4756
  - - C:\Windows\SysWOW64\rundll32mgrmgr.exe
      C:\Windows\SysWOW64\rundll32mgrmgr.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      PID:2156
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 10176
        5⤵
        Program crash
        
        PID:1088
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 10184
      4⤵
      Program crash
      PID:3212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2156 -ip 2156
1⤵
PID:5048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4756 -ip 4756
1⤵
PID:2380

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\~TMC66D.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
191KB

MD5
d3d9e83859d00c69a12e334852e0e40e

SHA1
88b6d73a9a92b96f017417e346781aa62e412112

SHA256
3b50ec5daef877dabead21459e6e6dd8de74ea4fbdaf1163768e0376b4060887

SHA512
3f565d70caa9139068468cb296f15a05d5921d01362f04bb2996007683bf8816dbc6338283acba22d8349c1214c98bddb476fef3878b97f555acd46ac8754fe2

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

Filesize
94KB

MD5
8abf6898662a995642dd979ff1fe5eef

SHA1
08aeda19120993801a6f3a8aa2b73b559ed361ad

SHA256
8aa6d0613c1ad6326d92678bc90dd10be1fba7a5b5f9d7a4a6fac6a42baf94cb

SHA512
a1e88bde3478d8a0c74824998b13e1fdf4484eec444540352076acc43675ecd2daed86e719b3889e7e8ce2104b2b7259a237b42d474acbca8f7e7fb3f37a3313

Download Submit
memory/2156-9-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2156-14-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2156-13-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/3928-0-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/4756-5-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4756-10-0x0000000002060000-0x00000000020BC000-memory.dmp

Filesize
368KB

Download
memory/4756-12-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4756-23-0x0000000002060000-0x00000000020BC000-memory.dmp

Filesize
368KB

Download

Analysis

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