ramnit | 85091bfad769f95f9048f3b81845fc470c37adcd667a18b6226c47e91de7604a

General

Target

JaffaCakes118_473d0eea52e4c9128926811065a55b60.dll
Size

223KB
MD5

473d0eea52e4c9128926811065a55b60
SHA1

06c1db283660dd057bf846aa6cb444b74c25eb0f
SHA256

85091bfad769f95f9048f3b81845fc470c37adcd667a18b6226c47e91de7604a
SHA512

52e7f78330d42c768304c86664fb9fa7029517f7025334ac345b9116ec572938eba1cd882ee3955c94afc297e5da748cd4cddf49851a1cfa8596480860c5c08f
SSDEEP

3072:qmY2UXXqE+A6/Q2BBzrwj9o+vNNbbVweMh5R0MgTBqCxjdaK+3xPWzgjLwwEJo+j:YKEaXwj7BMhv0JBhjgK+pWBui+8

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
1536	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
1536	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/1536-6-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/1536-11-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/1536-14-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/1536-15-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/1536-13-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/1536-8-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/1536-7-0x0000000000400000-0x0000000000451000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4904	1536	WerFault.exe	86

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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
1608	rundll32.exe
1608	rundll32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1536	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 1608	3944	rundll32.exe	85
PID 3944 wrote to memory of 1608	3944	rundll32.exe	85
PID 3944 wrote to memory of 1608	3944	rundll32.exe	85
PID 1608 wrote to memory of 1536	1608	rundll32.exe	86
PID 1608 wrote to memory of 1536	1608	rundll32.exe	86
PID 1608 wrote to memory of 1536	1608	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_473d0eea52e4c9128926811065a55b60.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_473d0eea52e4c9128926811065a55b60.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1608
- - 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:1536
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 440
      4⤵
      Program crash
      PID:4904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1536 -ip 1536
1⤵
PID:3840

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\~TMB6BD.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
113KB

MD5
d26092af969610dab56e02649ecae88d

SHA1
cd450ff4b645acd188fa1f9e9c16a972c0e99f87

SHA256
e4fedb771fd949517cbf3392c9f36be599bf16726a4702cb960a1f4845c39a71

SHA512
8c87bf4318089dc03d7c60b1d1f04ac46333f792ca37bd3a0ca832dc22ae56dc8b0a473154706ef58812c70cf99d6fee877ab4984ce973eaaa3e5d1525730b05

Download Submit
memory/1536-11-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1536-5-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/1536-24-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/1536-14-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1536-15-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1536-13-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1536-12-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/1536-21-0x00000000770C2000-0x00000000770C3000-memory.dmp

Filesize
4KB

Download
memory/1536-8-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1536-7-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1536-6-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1536-20-0x00000000770C2000-0x00000000770C4000-memory.dmp

Filesize
8KB

Download
memory/1536-22-0x00000000770C2000-0x00000000770C4000-memory.dmp

Filesize
8KB

Download
memory/1608-10-0x0000000074AF0000-0x0000000074B2D000-memory.dmp

Filesize
244KB

Download
memory/1608-1-0x0000000074AF0000-0x0000000074B2D000-memory.dmp

Filesize
244KB

Download

Analysis

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