ramnit | 72d1cc7926998f60d453acb934bbc5b3b0b77f422c681ab96ffea8fae22f8139

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 08:42

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General

Target

JaffaCakes118_78bd082b7a0a97a6373001f2126008b1.dll
Size

640KB
MD5

78bd082b7a0a97a6373001f2126008b1
SHA1

38b16a34d4bb7e64372cc0fd1c688003a0583de0
SHA256

72d1cc7926998f60d453acb934bbc5b3b0b77f422c681ab96ffea8fae22f8139
SHA512

2778e7c35ff7fa5a255e0ab498ebf71517fe866017dd29a788489675add81e28051d3a75669608a4bca4b28cafe5d9a5c85d9a87e34b7b26cefdcb1338146e0a
SSDEEP

12288:psQtvFayV47sBhOz/+IlMSbi0Na41VYuqNjTpbdoCDBz:aQtvFayV47Wh2WIJbioa41VYltTJDBz

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
3944	regsvr32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
3944	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3944-7-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/3944-11-0x0000000000400000-0x0000000000429000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3624	3944	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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 408	2988	regsvr32.exe	83
PID 2988 wrote to memory of 408	2988	regsvr32.exe	83
PID 2988 wrote to memory of 408	2988	regsvr32.exe	83
PID 408 wrote to memory of 3944	408	regsvr32.exe	84
PID 408 wrote to memory of 3944	408	regsvr32.exe	84
PID 408 wrote to memory of 3944	408	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78bd082b7a0a97a6373001f2126008b1.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78bd082b7a0a97a6373001f2126008b1.dll
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:408
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3944
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 10180
      4⤵
      Program crash
      PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3944 -ip 3944
1⤵
PID:1932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TMD06F.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
94KB

MD5
1375ba09995afa93cbfa59cae04b3ab4

SHA1
0eb0934173dbf2bd10b0c2bce9fb2d414305bb19

SHA256
1a3c3ec1d2ee6bbaf9ab89b1247e9da435c729f6b539563d97eae84c8163918a

SHA512
ebea2ee04de3c5b6633891df4d734a6a6422c154bbbb43d00ce2964a6ba76b0fd58bb30b9849c3a2f1578259c5c33d39bcc013a5c9fb8e56fa13107eccd4020f

Download Submit
memory/408-0-0x0000000010000000-0x00000000101B3000-memory.dmp

Filesize
1.7MB

Download
memory/408-5-0x0000000001050000-0x0000000001052000-memory.dmp

Filesize
8KB

Download
memory/3944-6-0x0000000002060000-0x0000000002089000-memory.dmp

Filesize
164KB

Download
memory/3944-7-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3944-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3944-13-0x0000000002060000-0x0000000002089000-memory.dmp

Filesize
164KB

Download