metamorpherrat | 4acea05ab0905a50470e55fcb4575e6feee6e7f5ae857bdd388818cee7a562c6

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:10

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General

Target

51a043361bd59e21a64fdb95fb472f63.exe
Size

78KB
MD5

51a043361bd59e21a64fdb95fb472f63
SHA1

e605acc42664303e4776e95977af26cfcab3e02a
SHA256

751f6b8d77920eec4226c83b41e972117864bd8749369f33da5591bee60a3814
SHA512

fb8726f88ec0ed281eb6f38d70360208b5fefbcb66479541d17455d96446816c6522900e26057c79d9bb5587d53b6c4c1dbce0b7faa9623de21e9d9fba429ecc
SSDEEP

1536:He5sdy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtN6W9/t1l0:He5bn7N041Qqhg19/K

Score

10^/10

metamorpherrat discovery 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
Metamorpherrat family
metamorpherrat

Executes dropped EXE 1 IoCs

pid	Process
3044	tmpEDD8.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2932	51a043361bd59e21a64fdb95fb472f63.exe
2932	51a043361bd59e21a64fdb95fb472f63.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\System.XML = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\AppLaunch.exe\""	tmpEDD8.tmp.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	51a043361bd59e21a64fdb95fb472f63.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpEDD8.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	51a043361bd59e21a64fdb95fb472f63.exe
Token: SeDebugPrivilege	3044	tmpEDD8.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2148	2932	51a043361bd59e21a64fdb95fb472f63.exe	31
PID 2932 wrote to memory of 2148	2932	51a043361bd59e21a64fdb95fb472f63.exe	31
PID 2932 wrote to memory of 2148	2932	51a043361bd59e21a64fdb95fb472f63.exe	31
PID 2932 wrote to memory of 2148	2932	51a043361bd59e21a64fdb95fb472f63.exe	31
PID 2148 wrote to memory of 2164	2148	vbc.exe	33
PID 2148 wrote to memory of 2164	2148	vbc.exe	33
PID 2148 wrote to memory of 2164	2148	vbc.exe	33
PID 2148 wrote to memory of 2164	2148	vbc.exe	33
PID 2932 wrote to memory of 3044	2932	51a043361bd59e21a64fdb95fb472f63.exe	34
PID 2932 wrote to memory of 3044	2932	51a043361bd59e21a64fdb95fb472f63.exe	34
PID 2932 wrote to memory of 3044	2932	51a043361bd59e21a64fdb95fb472f63.exe	34
PID 2932 wrote to memory of 3044	2932	51a043361bd59e21a64fdb95fb472f63.exe	34

C:\Users\Admin\AppData\Local\Temp\51a043361bd59e21a64fdb95fb472f63.exe
"C:\Users\Admin\AppData\Local\Temp\51a043361bd59e21a64fdb95fb472f63.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2932
- 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\jzahpnk0.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2148
- - 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\RESEF30.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcEF2F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2164
- C:\Users\Admin\AppData\Local\Temp\tmpEDD8.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpEDD8.tmp.exe" C:\Users\Admin\AppData\Local\Temp\51a043361bd59e21a64fdb95fb472f63.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

Credential Access

Discovery

System Information Discovery

T1082

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\RESEF30.tmp

Filesize
1KB

MD5
a34f1548f46f86770ad6c01ed742256a

SHA1
a496720f6e534da2b234f941e6b4990b9ead1506

SHA256
ccacbb050b85d0fde9c1c9a59a3866868181d89e0afc8669eaba12e8c8b69305

SHA512
ee82fe1965a49b0e73b162be05d061687c95dbdaf33f09fe35f888b7e74ce0c53c6bb357efb34d29dd784d90f66f6b8bdf8f9b14413105712f9447083e8038b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\jzahpnk0.0.vb

Filesize
14KB

MD5
a76c82edd442d2c468e27f13f49ed103

SHA1
2713a7d7aa9f85e18a3ed26e01fdbad76bfa797a

SHA256
97bd42ed066584633359c7a3cf219086e591b00ab829245c700565ccb1b9b824

SHA512
370bf24e125480c16746aeabb93f06c84d67c23c1502da9f84234d35294d6ddb736775d8784730356f42c6f53983b4ee21ad3462f2d1074a267b814301bc576b

Download Submit
C:\Users\Admin\AppData\Local\Temp\jzahpnk0.cmdline

Filesize
266B

MD5
8fbfdd646ab8ea568eb104a907c902d6

SHA1
91b6790eb66a77f9f3005fab6d9595c5f35249b4

SHA256
e77a283d7caecf1e0f938292ffaf709c2174dff55ad2d609ab80d006875a2738

SHA512
4d86655c3a681723167cf7017faa2cf07dd56871b45eb341890f8524c817e77f5fab9b322f88446040dd3e3f3b7858718c5839ff5d8bb3a68be24ed2ddeaf965

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEDD8.tmp.exe

Filesize
78KB

MD5
da910c49ff82b37961fd6631067d2888

SHA1
79042c28b6f8635ea1e7dbc2c72217cc4a9c8846

SHA256
802fb0c76e2b910b0466564c89fd5c6b5fe50a9f84d12fbbef10badec9e834ca

SHA512
bb65cf33e0ebd97f91e537b71a9acc9448dffe94c454ac822fedf62aa51f0379bbb9a76295a3ae9575b871202ba871897fc403700d5cc9372f2ff4012ab339bc

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcEF2F.tmp

Filesize
660B

MD5
5e6b614525600a7cb64378d794f0d1fc

SHA1
5f90a463aedca9541cbdb39834311985abf57403

SHA256
99987bc38766bbc741f532d026d87cbb33a5cd344fa63c06770cc932c1b320e9

SHA512
9b00deb114bc1690f7624b4e7f9fe3cb50c3ef4f101157de152a7dc89ad1f0a644f12ab88ec5c33bf04d11d2b9869de885b57b319f3b33afc8aa53c729b1a4ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\zCom.resources

Filesize
62KB

MD5
aa4bdac8c4e0538ec2bb4b7574c94192

SHA1
ef76d834232b67b27ebd75708922adea97aeacce

SHA256
d7dbe167a7b64a4d11e76d172c8c880020fe7e4bc9cae977ac06982584a6b430

SHA512
0ec342286c9dbe78dd7a371afaf405232ff6242f7e024c6640b265ba2288771297edbb5a6482848daad5007aef503e92508f1a7e1a8b8ff3fe20343b21421a65

Download Submit
memory/2148-8-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download
memory/2148-18-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-0-0x00000000749D1000-0x00000000749D2000-memory.dmp

Filesize
4KB

Download
memory/2932-1-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-2-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-24-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads