matanbuchus | cf1b38106e42989ddffb99e0163787135e7b294c5d5e88e3b47ca1b7cd0d6681

Analysis

max time kernel
148s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-11-2024 08:10

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General

Target

0x000300000001acec-245.exe
Size

482KB
MD5

801a4e85faeb41919a0da6fa174ada04
SHA1

cf6a3be6cf3130a0d2a92ac9eec392e43029a06c
SHA256

23a96527c86ed75232f146343a612a96b8a6e70433cbdf39c9a611aeb3191ddd
SHA512

319b835e51c98e710a9bea852b79796f1516a5f38b092a2319e65cf21ca63be25621a8a89bd33fe32bc75fde5e115597d141fb68897738daccf476e9576dd54b
SSDEEP

6144:nrvOLnVDxQxwR+v9SBCRgNnXisfyZlguHu4CfN1LvCe+Ps/gXb0U/sXGCM:7OTV2Ci5OFLfyDgcu51F+Ps/kb0q

Score

10^/10

matanbuchus discovery loader

Malware Config

Extracted

Family

matanbuchus

http://gw397iwauwsf.top/Plugin.triumphdrop

Signatures

Matanbuchus
A loader sold as MaaS first seen in February 2021.
loader matanbuchus
Matanbuchus family
matanbuchus

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1480	2552	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	0x000300000001acec-245.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 1480	2552	0x000300000001acec-245.exe	31
PID 2552 wrote to memory of 1480	2552	0x000300000001acec-245.exe	31
PID 2552 wrote to memory of 1480	2552	0x000300000001acec-245.exe	31
PID 2552 wrote to memory of 1480	2552	0x000300000001acec-245.exe	31

C:\Users\Admin\AppData\Local\Temp\0x000300000001acec-245.exe
"C:\Users\Admin\AppData\Local\Temp\0x000300000001acec-245.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 140
  2⤵
  - Program crash
  PID:1480

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

memory/2552-0-0x0000000004700000-0x0000000004737000-memory.dmp

Filesize
220KB

Download
memory/2552-1-0x0000000005EC0000-0x0000000005F23000-memory.dmp

Filesize
396KB

Download
memory/2552-2-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2552-3-0x0000000004700000-0x0000000004737000-memory.dmp

Filesize
220KB

Download
memory/2552-5-0x0000000005EC0000-0x0000000005F23000-memory.dmp

Filesize
396KB

Download
memory/2552-4-0x0000000000400000-0x00000000046F8000-memory.dmp

Filesize
67.0MB

Download
memory/2552-6-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download