metamorpherrat | c5b49707f034f2d91592bc1e17ce7f89058be592ab530ec80cdcbea79e9c2881

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 00:50

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General

Target
4a397f1591b14eb6e9958d10d84fc87b.exe
Size 78KB
Sample240108-a64h1aadh6
SHA256 c5b49707f034f2d91592bc1e17ce7f89058be592ab530ec80cdcbea79e9c2881
MD5 4a397f1591b14eb6e9958d10d84fc87b
SHA1 0603c042a30aee3b951e87485be6a91c884d5915
SHA512 06a85df80bd18bda4da42b69a3dcbafe5b6fb0375dc7dbcc5cb336ac571aa60f57bfece3a498752b0906a20600ad06bbd3dcf524d2fad512d04158a9614fe34f
SSDEEP 1536:gCHF3M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtm9/71Cc:gCHF83xSyRxvY3md+dWWZym9/B
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

metamorpherrat persistence rat stealer trojan

Malware Config

Signatures

MetamorpherRAT
Metamorpherrat is a hacking tool that has been around for a while since 2013.
trojan rat stealer metamorpherrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation	4a397f1591b14eb6e9958d10d84fc87b.exe

Deletes itself 1 IoCs

pid	Process
5020	tmp8647.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
5020	tmp8647.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp8647.tmp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3052	4a397f1591b14eb6e9958d10d84fc87b.exe
Token: SeDebugPrivilege	5020	tmp8647.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 1220	3052	4a397f1591b14eb6e9958d10d84fc87b.exe	36
PID 3052 wrote to memory of 1220	3052	4a397f1591b14eb6e9958d10d84fc87b.exe	36
PID 3052 wrote to memory of 1220	3052	4a397f1591b14eb6e9958d10d84fc87b.exe	36
PID 1220 wrote to memory of 3980	1220	vbc.exe	37
PID 1220 wrote to memory of 3980	1220	vbc.exe	37
PID 1220 wrote to memory of 3980	1220	vbc.exe	37
PID 3052 wrote to memory of 5020	3052	4a397f1591b14eb6e9958d10d84fc87b.exe	71
PID 3052 wrote to memory of 5020	3052	4a397f1591b14eb6e9958d10d84fc87b.exe	71
PID 3052 wrote to memory of 5020	3052	4a397f1591b14eb6e9958d10d84fc87b.exe	71

C:\Users\Admin\AppData\Local\Temp\4a397f1591b14eb6e9958d10d84fc87b.exe
"C:\Users\Admin\AppData\Local\Temp\4a397f1591b14eb6e9958d10d84fc87b.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\rlwwvnnm.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1220
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES878F.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcE8A9CF61D0AC4C33983D6A14D25FA3C7.TMP"
    3⤵
    PID:3980
- C:\Users\Admin\AppData\Local\Temp\tmp8647.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp8647.tmp.exe" C:\Users\Admin\AppData\Local\Temp\4a397f1591b14eb6e9958d10d84fc87b.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  PID:5020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1220-8-0x0000000000700000-0x0000000000710000-memory.dmp

Download

memory/3052-0-0x0000000074F30000-0x00000000754E1000-memory.dmp

Download

memory/3052-2-0x0000000001240000-0x0000000001250000-memory.dmp

Download

memory/3052-1-0x0000000074F30000-0x00000000754E1000-memory.dmp

Download

memory/3052-21-0x0000000074F30000-0x00000000754E1000-memory.dmp

Download

memory/5020-22-0x0000000074F30000-0x00000000754E1000-memory.dmp

Download

memory/5020-24-0x0000000074F30000-0x00000000754E1000-memory.dmp

Download

memory/5020-23-0x00000000016F0000-0x0000000001700000-memory.dmp

Download

memory/5020-26-0x00000000016F0000-0x0000000001700000-memory.dmp

Download

memory/5020-28-0x00000000016F0000-0x0000000001700000-memory.dmp

Download

memory/5020-27-0x0000000074F30000-0x00000000754E1000-memory.dmp

Download

memory/5020-29-0x00000000016F0000-0x0000000001700000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads