metamorpherrat | f8eb9b286a0d33e287568961f883aa9d1be6e9ec8cf5eee3a3a1a6b106d02f74

Analysis

max time kernel
142s
max time network
150s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:15

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General

Target

b9eb72c6666c879fe3b7532bbf050b72.exe
Size

78KB
MD5

b9eb72c6666c879fe3b7532bbf050b72
SHA1

8d35f944aa44bfd898c51b9645ba98f33298d458
SHA256

989b61ad0d18110a3b953a90885bc9a1f4dadec6a5958d43890e9189506719bc
SHA512

8b8665064c587332405648d578865d63e6edcc504045ef71f2e9cdfed9bb626053cbb543d2fd0bdb037f99b22c49c9c9fe0eae46c65d5154b896567dd3f22f71
SSDEEP

1536:LHFo6638dy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtRb9/o1bM:LHFo53Ln7N041QqhgRb9/9

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
2944	tmpCBC7.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2128	b9eb72c6666c879fe3b7532bbf050b72.exe
2128	b9eb72c6666c879fe3b7532bbf050b72.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-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\System.XML = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\AppLaunch.exe\""	tmpCBC7.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	b9eb72c6666c879fe3b7532bbf050b72.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	tmpCBC7.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	b9eb72c6666c879fe3b7532bbf050b72.exe
Token: SeDebugPrivilege	2944	tmpCBC7.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 1664	2128	b9eb72c6666c879fe3b7532bbf050b72.exe	30
PID 2128 wrote to memory of 1664	2128	b9eb72c6666c879fe3b7532bbf050b72.exe	30
PID 2128 wrote to memory of 1664	2128	b9eb72c6666c879fe3b7532bbf050b72.exe	30
PID 2128 wrote to memory of 1664	2128	b9eb72c6666c879fe3b7532bbf050b72.exe	30
PID 1664 wrote to memory of 2480	1664	vbc.exe	33
PID 1664 wrote to memory of 2480	1664	vbc.exe	33
PID 1664 wrote to memory of 2480	1664	vbc.exe	33
PID 1664 wrote to memory of 2480	1664	vbc.exe	33
PID 2128 wrote to memory of 2944	2128	b9eb72c6666c879fe3b7532bbf050b72.exe	34
PID 2128 wrote to memory of 2944	2128	b9eb72c6666c879fe3b7532bbf050b72.exe	34
PID 2128 wrote to memory of 2944	2128	b9eb72c6666c879fe3b7532bbf050b72.exe	34
PID 2128 wrote to memory of 2944	2128	b9eb72c6666c879fe3b7532bbf050b72.exe	34

C:\Users\Admin\AppData\Local\Temp\b9eb72c6666c879fe3b7532bbf050b72.exe
"C:\Users\Admin\AppData\Local\Temp\b9eb72c6666c879fe3b7532bbf050b72.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2128
- 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\ysyrd5m5.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1664
- - 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\RESCEF4.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcCEF3.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2480
- C:\Users\Admin\AppData\Local\Temp\tmpCBC7.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpCBC7.tmp.exe" C:\Users\Admin\AppData\Local\Temp\b9eb72c6666c879fe3b7532bbf050b72.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2944

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\RESCEF4.tmp

Filesize
1KB

MD5
e682f5602eac8da539ee728a56568313

SHA1
bb1b6f85a04d4927cf3518f3f61a0d05ac74160c

SHA256
7a817b8e01e55dfef48baae00ee523dc88860bcb9cb099283ec9d298b96cb870

SHA512
12f4acb89ea258bcd292d716149f7e8f904e8aa0418e82bf59e4d450e9dcaf45cb6b4bf161b1f028d51dace57cd4a117a76a16c65102b8e2e40850d1d4a7bdbb

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCBC7.tmp.exe

Filesize
78KB

MD5
e96c6f948d6f57f1e79c88a2890074b8

SHA1
a19a8818673f297c73564990c04e3be6df0d173b

SHA256
786731c1251df4c6f6517f8833dd3b7c192c4ca698ff3d241ce48342c918ec71

SHA512
235cb3d531d33fb10b9b6703e50286a24d00688b48dc758fa1a59f775f19161d63ab6e66ffae30933adb12f4b2505e74c6519e177f3ffa1220e602230eb3440a

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcCEF3.tmp

Filesize
660B

MD5
e9a91e6f0e3e1ba4911c7e353456d086

SHA1
0327c5acf4e72438c32e3c82045751ed931e42a5

SHA256
e5fb8eb2a791567114b18a58c037a62e841a9849f4563dae90e9ce3777fc100d

SHA512
e22bd11c57a00f8b7e27f2e6c11ed098724d0d8012b1d812795a91070716e209cbe725b5350e869b5567a9013c2cda409378b71aed2b581c029c9413d0ec9e4c

Download Submit
C:\Users\Admin\AppData\Local\Temp\ysyrd5m5.0.vb

Filesize
15KB

MD5
3048596fd2dc5f52148a307cf7b0ad7c

SHA1
10e8669a9a7f02d14b50eb73246230b9dece5d3c

SHA256
7b16da39a6db364fa051d29bdc3c40cc658950f0d111b6716fa7810d4b0287ae

SHA512
9388467f96d8c9a1aed7504d65d9b5127bb01ad71a2e933476d7719027ed446276870922d0767196150642262663db74083bf9a2700b24af24adecc1806009b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\ysyrd5m5.cmdline

Filesize
266B

MD5
5b976f174fa4ca5a3c763e4bc3e29c23

SHA1
09e9a7c5a1ca734e7f80c95dedafc81b4f1116a0

SHA256
cb83f592464ad92c1aa4b62ed6e1288de0bd7079789609fca3604713b65acfbe

SHA512
868cd2d54d2473b45ed47ea1b21331ebd7576c79d3fe75f68237f90d8c70cad0e8e83b66a15ca83c71250c00917a2d09f98d68dfd34399bf5329f20eda445a12

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

Filesize
62KB

MD5
aa4bdac8c4e0538ec2bb4b7574c94192

SHA1
ef76d834232b67b27ebd75708922adea97aeacce

SHA256
d7dbe167a7b64a4d11e76d172c8c880020fe7e4bc9cae977ac06982584a6b430

SHA512
0ec342286c9dbe78dd7a371afaf405232ff6242f7e024c6640b265ba2288771297edbb5a6482848daad5007aef503e92508f1a7e1a8b8ff3fe20343b21421a65

Download Submit
memory/1664-8-0x0000000074D60000-0x000000007530B000-memory.dmp

Filesize
5.7MB

Download
memory/1664-18-0x0000000074D60000-0x000000007530B000-memory.dmp

Filesize
5.7MB

Download
memory/2128-0-0x0000000074D61000-0x0000000074D62000-memory.dmp

Filesize
4KB

Download
memory/2128-1-0x0000000074D60000-0x000000007530B000-memory.dmp

Filesize
5.7MB

Download
memory/2128-2-0x0000000074D60000-0x000000007530B000-memory.dmp

Filesize
5.7MB

Download
memory/2128-24-0x0000000074D60000-0x000000007530B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads