ramnit | 6b5ba6e6e4ead7547e4fb8c86ef258c073c3c42054085cd9caeb99943d424e39

General

Target

6b5ba6e6e4ead7547e4fb8c86ef258c073c3c42054085cd9caeb99943d424e39.dll
Size

232KB
MD5

06f926cdf9fc091f3bd1adcb6a08ff17
SHA1

c7f679b8d498b52a5331bc7c1eeaf7ea7f177d1a
SHA256

6b5ba6e6e4ead7547e4fb8c86ef258c073c3c42054085cd9caeb99943d424e39
SHA512

4a55f8ccf9c711e32281e185670c469c85b1f0ccd30cd829579e4b48d77dc267c18f774c37281e7b7927c0d59e25a59b3ca9e5d7da98e40fe4ee5b112f4b37dc
SSDEEP

6144:pOp8HpzdQOStKaQ49vTTnu/+gMDO70ak2iPCnq:pOp8Hpz7R49Xnqow0J2iP+q

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
3920	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
3920	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/3920-5-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/3920-7-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/3920-12-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/3920-14-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/3920-13-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/3920-9-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral2/memory/3920-6-0x0000000000400000-0x0000000000462000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4832	3920	WerFault.exe	84

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
3920	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 2016	5052	rundll32.exe	83
PID 5052 wrote to memory of 2016	5052	rundll32.exe	83
PID 5052 wrote to memory of 2016	5052	rundll32.exe	83
PID 2016 wrote to memory of 3920	2016	rundll32.exe	84
PID 2016 wrote to memory of 3920	2016	rundll32.exe	84
PID 2016 wrote to memory of 3920	2016	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6b5ba6e6e4ead7547e4fb8c86ef258c073c3c42054085cd9caeb99943d424e39.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6b5ba6e6e4ead7547e4fb8c86ef258c073c3c42054085cd9caeb99943d424e39.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2016
- - 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:3920
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3920 -s 288
      4⤵
      Program crash
      PID:4832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3920 -ip 3920
1⤵
PID:3424

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\~TM7196.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
133KB

MD5
cdb08259f376e72d84caaff2246e7b8d

SHA1
c812ffaebdac00ea61901b2a3d0b40bd9495d1da

SHA256
c572bcb3d9c247d7f45fefaaa5d62463bf5ef701a13cbbfc160dc81fc0301a05

SHA512
1e693e099ce8cad51863e44e522cb9b67ec785891b36eb623048a8ab6d37619a2a599c8237c5757f85aa696335c57c54b55afd2a92189cc46378998dad8af7f7

Download Submit
memory/2016-0-0x0000000007000000-0x000000000703C000-memory.dmp

Filesize
240KB

Download
memory/3920-7-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3920-12-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3920-14-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3920-5-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3920-19-0x0000000077B32000-0x0000000077B33000-memory.dmp

Filesize
4KB

Download
memory/3920-18-0x0000000077B32000-0x0000000077B34000-memory.dmp

Filesize
8KB

Download
memory/3920-13-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3920-10-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/3920-9-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3920-6-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

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