ramnit | 0be82eeeff839769cdc6fefce655494852c33b9837a2f881dd68bcb888543272

General

Target

0be82eeeff839769cdc6fefce655494852c33b9837a2f881dd68bcb888543272N.dll
Size

294KB
MD5

b191bb12b21b63e6719f40235afc6fc0
SHA1

3bbaea1667accaecf10c7b700606bd5604ec7b3e
SHA256

0be82eeeff839769cdc6fefce655494852c33b9837a2f881dd68bcb888543272
SHA512

d4ea0516797f52f51c660710784c1c46868b3d41e975e37c029d8013e2593d22a593c299f7086ad925dd971806fe50d1e40930286fdd283d25a58db5c34ad353
SSDEEP

6144:RxGMku94XCzTurXzlRlbDC9K69u2m+SqOWcsQQKiY4leDDGoggH/VREG6j4Gm01/:RxGCOXzlRlbDC9K69u2m+SqOWcsQQKiX

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
4092	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
4092	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4092-9-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/4092-7-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/4092-12-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/4092-14-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/4092-11-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/4092-6-0x0000000000400000-0x000000000042B000-memory.dmp	upx
behavioral2/memory/4092-5-0x0000000000400000-0x000000000042B000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1268	3832	WerFault.exe	82
4748	4092	WerFault.exe	83

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 UnmapMainImage 1 IoCs

pid	Process
4092	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 512 wrote to memory of 3832	512	rundll32.exe	82
PID 512 wrote to memory of 3832	512	rundll32.exe	82
PID 512 wrote to memory of 3832	512	rundll32.exe	82
PID 3832 wrote to memory of 4092	3832	rundll32.exe	83
PID 3832 wrote to memory of 4092	3832	rundll32.exe	83
PID 3832 wrote to memory of 4092	3832	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0be82eeeff839769cdc6fefce655494852c33b9837a2f881dd68bcb888543272N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:512
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0be82eeeff839769cdc6fefce655494852c33b9837a2f881dd68bcb888543272N.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3832
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of UnmapMainImage
    PID:4092
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 440
      4⤵
      Program crash
      PID:4748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3832 -s 584
    3⤵
    - Program crash
    PID:1268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4092 -ip 4092
1⤵
PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3832 -ip 3832
1⤵
PID:3120

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\~TM97BC.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
81KB

MD5
cb41358796a14f05bccfddb098900c71

SHA1
8c14e0d55d4de69ea7b87db5dbe3d4bd39d13935

SHA256
6d5dca57b9f625f604a592e9d2ba39ec8d454d62bf387c61346c53c081463e0b

SHA512
8a2f816700f240574989142ae295b3d90f4ae1c4fd2141ae17b37d2111e5a83b3d452ceee1f1914091cf05f1889f5b6d83664a78674f0a653535c078501950de

Download Submit
memory/3832-21-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/3832-0-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/4092-7-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4092-14-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4092-11-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4092-19-0x0000000077152000-0x0000000077153000-memory.dmp

Filesize
4KB

Download
memory/4092-18-0x0000000077152000-0x0000000077154000-memory.dmp

Filesize
8KB

Download
memory/4092-12-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4092-10-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/4092-6-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4092-5-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4092-9-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

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