metamorpherrat | f8eb9b286a0d33e287568961f883aa9d1be6e9ec8cf5eee3a3a1a6b106d02f74

Analysis

max time kernel
141s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:15

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General

Target

b9d4ce458330a463e0bbea9c825699bc.exe
Size

78KB
MD5

b9d4ce458330a463e0bbea9c825699bc
SHA1

5c290ad3db5b0d28582215169eab4cd2effa9bdc
SHA256

d70b6fb644a5c04cfe2cf77146444b2e35caaa7d2e24ccdf90db816c13370de6
SHA512

7ad319239ef8d1a0ecff1ef5b6db64a4cdd9d084eda697433aa6edabc1f93ff5eb3b10c1159919e678f11fcc88e4490620de1b983ee2d0921602acb647574015
SSDEEP

1536:BsHY6638dy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtR9/Z81kh:BsHY53Ln7N041QqhgR9/D

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
496	tmpE4C4.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2464	b9d4ce458330a463e0bbea9c825699bc.exe
2464	b9d4ce458330a463e0bbea9c825699bc.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\System.XML = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\AppLaunch.exe\""	tmpE4C4.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	b9d4ce458330a463e0bbea9c825699bc.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	tmpE4C4.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2464	b9d4ce458330a463e0bbea9c825699bc.exe
Token: SeDebugPrivilege	496	tmpE4C4.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 1200	2464	b9d4ce458330a463e0bbea9c825699bc.exe	31
PID 2464 wrote to memory of 1200	2464	b9d4ce458330a463e0bbea9c825699bc.exe	31
PID 2464 wrote to memory of 1200	2464	b9d4ce458330a463e0bbea9c825699bc.exe	31
PID 2464 wrote to memory of 1200	2464	b9d4ce458330a463e0bbea9c825699bc.exe	31
PID 1200 wrote to memory of 1804	1200	vbc.exe	33
PID 1200 wrote to memory of 1804	1200	vbc.exe	33
PID 1200 wrote to memory of 1804	1200	vbc.exe	33
PID 1200 wrote to memory of 1804	1200	vbc.exe	33
PID 2464 wrote to memory of 496	2464	b9d4ce458330a463e0bbea9c825699bc.exe	34
PID 2464 wrote to memory of 496	2464	b9d4ce458330a463e0bbea9c825699bc.exe	34
PID 2464 wrote to memory of 496	2464	b9d4ce458330a463e0bbea9c825699bc.exe	34
PID 2464 wrote to memory of 496	2464	b9d4ce458330a463e0bbea9c825699bc.exe	34

C:\Users\Admin\AppData\Local\Temp\b9d4ce458330a463e0bbea9c825699bc.exe
"C:\Users\Admin\AppData\Local\Temp\b9d4ce458330a463e0bbea9c825699bc.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2464
- 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\avclgqsf.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1200
- - 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\RESE570.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcE56F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1804
- C:\Users\Admin\AppData\Local\Temp\tmpE4C4.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpE4C4.tmp.exe" C:\Users\Admin\AppData\Local\Temp\b9d4ce458330a463e0bbea9c825699bc.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:496

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\RESE570.tmp

Filesize
1KB

MD5
7473f7565aef6d10e87aa77b85e5b50a

SHA1
f59e23877b3c23601bce086e5f589e542d3e654d

SHA256
5c62c9d6b0d20767bf7e64787bbbcd75bed802d9b876897ccae5af0479935b49

SHA512
8bf194d4066281b5d033790a6b1209acd4fea06947084bf6aedfeb011ed54b77069749248b954edc503a5655ac36c398aa73190daa190b5c76ae6bb77b22845c

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

Filesize
15KB

MD5
6e2085f6239cec4a5014825037213d0c

SHA1
5ddde740bce7732a1a7de87d4116086713ffd925

SHA256
ede79af141b63149dcb8d08f855cb3ad1c3173521269bd9296789385ad3ca2da

SHA512
355ea57df4e5d55ac1da3ea71efe7b82e9c637150d473c4261b0d1ca219942cfa65130364843b1d1d1e52cfbaa4ee6581ab4d4b0c979b3da5db9e8ea920e2ac8

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

Filesize
266B

MD5
6ec545bb4f0652b7727e47e369867564

SHA1
68eaab34193978eccd0befca010f8de06094d9ea

SHA256
081757838a4f19eab445ca711bf643911f410885c3300e53895d08f6c825c1f7

SHA512
e0270da9b85a39a4525b0b59127897022e226d1619e39659670739426dab0fa52acac7d9fc16a0c661b56d0e368342bb9ebf3be716c787316738a7c7abf53e28

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE4C4.tmp.exe

Filesize
78KB

MD5
4b33fa5222d42e57d8d2cb6e34aa4244

SHA1
eb6ad51bc90507b093baffabfca392ad3f49ca7a

SHA256
93b6b3f1dd7a7ae764a5d1a71d125fbad293b47a162f5f328bceebb8ed57f2ae

SHA512
cfb8fa97c785675429d696b3219bbd94d071b87514c2787ed3bc0299f47a901d12e937db785111ebbfdc19f5cf4e633e90bf3f8be6de10a76f8dcc237b44eac5

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcE56F.tmp

Filesize
660B

MD5
5f745ed68942bf5fa9e314716334d683

SHA1
c1d768b67c999c56b991f9d0294f7e229b55fec8

SHA256
5a7cd277736ee9fe5062d4c2a3bb07238adfc7d9e4924dd6919926e7976c0407

SHA512
758e50ec0ba845b163b37e5191a672ce2995d62a11485d584572d82abdacd576462c5504b3fddb9dc563b4c0c9b5ef0fb6d26e76dcf441582462a6c7a914c10c

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

Filesize
62KB

MD5
aa4bdac8c4e0538ec2bb4b7574c94192

SHA1
ef76d834232b67b27ebd75708922adea97aeacce

SHA256
d7dbe167a7b64a4d11e76d172c8c880020fe7e4bc9cae977ac06982584a6b430

SHA512
0ec342286c9dbe78dd7a371afaf405232ff6242f7e024c6640b265ba2288771297edbb5a6482848daad5007aef503e92508f1a7e1a8b8ff3fe20343b21421a65

Download Submit
memory/1200-8-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/1200-18-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2464-0-0x0000000074F01000-0x0000000074F02000-memory.dmp

Filesize
4KB

Download
memory/2464-1-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2464-2-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2464-24-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads