metamorpherrat | 94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52b

General

Target

94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe
Size

78KB
MD5

0e3e82661b76faee66a115a0401d5c70
SHA1

d6b65617cbfb1c17b9a9989317ad6eb4a02e9b6c
SHA256

94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52b
SHA512

a766664d546ccf3debba635d7581bb5dd611bf669a93aaa0c4f5a5eb8894ed3baeafbbf808539616bf67a797ec51c9f252d4d493a421fe397dfe0da1794db145
SSDEEP

1536:L58XLT8hn2Ep7WzPdVj6Ju8B3AZ242UdIAkD4x3HT4hPVoYdVQtS6k9/u+1AY:L587E2EwR4uY41HyvYs9/um

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
2428	tmpB1A3.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1776	94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe
1776	94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\mscorsvc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sortkey.exe\""	tmpB1A3.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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpB1A3.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1776	94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe
Token: SeDebugPrivilege	2428	tmpB1A3.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 3000	1776	94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe	30
PID 1776 wrote to memory of 3000	1776	94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe	30
PID 1776 wrote to memory of 3000	1776	94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe	30
PID 1776 wrote to memory of 3000	1776	94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe	30
PID 3000 wrote to memory of 2292	3000	vbc.exe	32
PID 3000 wrote to memory of 2292	3000	vbc.exe	32
PID 3000 wrote to memory of 2292	3000	vbc.exe	32
PID 3000 wrote to memory of 2292	3000	vbc.exe	32
PID 1776 wrote to memory of 2428	1776	94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe	33
PID 1776 wrote to memory of 2428	1776	94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe	33
PID 1776 wrote to memory of 2428	1776	94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe	33
PID 1776 wrote to memory of 2428	1776	94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe	33

C:\Users\Admin\AppData\Local\Temp\94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe
"C:\Users\Admin\AppData\Local\Temp\94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776
- 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\pkjl0xrt.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3000
- - 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\RESB2BD.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcB2BC.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2292
- C:\Users\Admin\AppData\Local\Temp\tmpB1A3.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpB1A3.tmp.exe" C:\Users\Admin\AppData\Local\Temp\94a59b9c7c21f10dabd2037921a755d8d60acc33415863ecbc9e64c5eaa2b52bN.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

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\RESB2BD.tmp

Filesize
1KB

MD5
c94ab7b6d1dda59550c3a8a1bf5b8310

SHA1
059e7a0fcd8a58446e7ce9e39190bd7dbb636a61

SHA256
2ca1ba42c8f7998313fd3293ca707a8bb8f962b48a6cef518cf4af1479f3f227

SHA512
a5d1e510de388186d720c5075ea5ea80416629069b88bbff01498d47050b474131c5293724299cf96806eb07a0df6752c5b753253d4844955c3cbc1fbf8c8bb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\pkjl0xrt.0.vb

Filesize
14KB

MD5
aeb7f6035d90138e0cc0870c7b70066f

SHA1
a7147994253acd0c63c4d962c4dac2c1facd848f

SHA256
7fd132eac2d6ef7f5ac0959bbab7d31b2a9db69d35ce16772f54894267b58b97

SHA512
2e782c2a6f919fe4df321fab9722b2a51f0c9771d0defd031cdc6781cbd64f741278f0ad4ebd66cd6316e2645dede635d3f4e8ad535d5d2d8695ea86c228e70b

Download Submit
C:\Users\Admin\AppData\Local\Temp\pkjl0xrt.cmdline

Filesize
266B

MD5
75f4c0fc6430c37d19957d13b3c89d4e

SHA1
d24bffc7285372a3fd48ac24957e404b6ffcf914

SHA256
1eba452386b89b42034c262674975fc6c92b71197d99f43b0d06faed169d241e

SHA512
3db6e8d6a05e141565bf253501d3b9e530d69dda00fff85559542539d9e341894c34e54c35afce5bc3502f9526c994cb4ff3b70e6f43c434a5a8dcda8325ef1e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB1A3.tmp.exe

Filesize
78KB

MD5
512169605dbc0d972b38da2914b08d0c

SHA1
84d835bbec5bd96d908e5c24e37d27dd0bb79fdf

SHA256
3671fe8318e01851a739c8102193ad5f8092ab9bb3f7f67e89751cd2400f00f0

SHA512
dcf95a73fc57e8eaa8a54e71a500b5627af802bf406d8dbe9133fb22cb09d68347342c0dce907a568948b35dcb64099b60f62c0c133c442cbdbe2a18873557b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcB2BC.tmp

Filesize
660B

MD5
6b260cd68b3e8b3782b3ca94c1c88a87

SHA1
c7ea88e7f81f3f2d3605673aff615fcbc9c8fb36

SHA256
32bf351c97b2243673700811a00b321e0a39358223ff0774770e50d051cef263

SHA512
5997d30dc007b580418f51edc142af8f62680ddd463aa12d7c76bb4b59035f3ded9c9e0708cd4debbf4f13c7061e34fc603f64a9b959729066abb5693ddab5e5

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

Filesize
62KB

MD5
6870a276e0bed6dd5394d178156ebad0

SHA1
9b6005e5771bb4afb93a8862b54fe77dc4d203ee

SHA256
69db906941dec2a7f1748ea1d15a058751c77d851ce54ea9e2ebdf1d6c7ed4f4

SHA512
3b6f412d4bdf0939677ab6890a6417da6f737376e13375d2a60871de195aa14344b8340d254b819c850d75a443629cbf26f35533e07aaba9532fdc5284132809

Download Submit
memory/1776-0-0x0000000074531000-0x0000000074532000-memory.dmp

Filesize
4KB

Download
memory/1776-1-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download
memory/1776-2-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download
memory/1776-24-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download
memory/3000-8-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download
memory/3000-18-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads