metamorpherrat | 7e71c79883eb025596762b4e0bf86b447039079dfe510ccf13a383b612575fa6

Analysis

max time kernel
139s
max time network
154s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:09

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General

Target

3ca3e4676bac76c4f7eaf0ab169b8af1.exe
Size

78KB
MD5

3ca3e4676bac76c4f7eaf0ab169b8af1
SHA1

3873da68bc51d374243468d08e73058674ea0a02
SHA256

572c49454d971b5cebc708b888e42970a4f954d97cdd8cd237a5ce4b281c60a7
SHA512

2f34a5d1affdada1686408f5f6ac748fd688215a2a12acf897f06af177ad103dbae344102b271b572a5e51ec11b68d97b7d2fa184244ce67d5ea8430f85f1e4e
SSDEEP

1536:bCHF3638dy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtN9/t1+S:bCHFq3Ln7N041QqhgN9/Z

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
2668	tmp8823.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1808	3ca3e4676bac76c4f7eaf0ab169b8af1.exe
1808	3ca3e4676bac76c4f7eaf0ab169b8af1.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\""	tmp8823.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	3ca3e4676bac76c4f7eaf0ab169b8af1.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	tmp8823.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1808	3ca3e4676bac76c4f7eaf0ab169b8af1.exe
Token: SeDebugPrivilege	2668	tmp8823.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 2988	1808	3ca3e4676bac76c4f7eaf0ab169b8af1.exe	28
PID 1808 wrote to memory of 2988	1808	3ca3e4676bac76c4f7eaf0ab169b8af1.exe	28
PID 1808 wrote to memory of 2988	1808	3ca3e4676bac76c4f7eaf0ab169b8af1.exe	28
PID 1808 wrote to memory of 2988	1808	3ca3e4676bac76c4f7eaf0ab169b8af1.exe	28
PID 2988 wrote to memory of 3028	2988	vbc.exe	30
PID 2988 wrote to memory of 3028	2988	vbc.exe	30
PID 2988 wrote to memory of 3028	2988	vbc.exe	30
PID 2988 wrote to memory of 3028	2988	vbc.exe	30
PID 1808 wrote to memory of 2668	1808	3ca3e4676bac76c4f7eaf0ab169b8af1.exe	31
PID 1808 wrote to memory of 2668	1808	3ca3e4676bac76c4f7eaf0ab169b8af1.exe	31
PID 1808 wrote to memory of 2668	1808	3ca3e4676bac76c4f7eaf0ab169b8af1.exe	31
PID 1808 wrote to memory of 2668	1808	3ca3e4676bac76c4f7eaf0ab169b8af1.exe	31

C:\Users\Admin\AppData\Local\Temp\3ca3e4676bac76c4f7eaf0ab169b8af1.exe
"C:\Users\Admin\AppData\Local\Temp\3ca3e4676bac76c4f7eaf0ab169b8af1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1808
- 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\bbmfhixx.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2988
- - 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\RES88E0.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc88DF.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3028
- C:\Users\Admin\AppData\Local\Temp\tmp8823.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp8823.tmp.exe" C:\Users\Admin\AppData\Local\Temp\3ca3e4676bac76c4f7eaf0ab169b8af1.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2668

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\RES88E0.tmp

Filesize
1KB

MD5
5c6b9bdb4aea64db5476fe8e05f8bb9b

SHA1
e88bb5c9ffac041ea96ed9d188842dbfdebf78b5

SHA256
0d7212311cd5af6d9dbffd66bdbe7575728f8ed2d59af6a129874f12057d20da

SHA512
1adfd652f8d0e29f25259790d830949277120361f46fe2660f94f49de27de4cfeb38ba701b0b9f8facfdb8455078cea2282034d1454b578542ac49b5e8dc4fff

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

Filesize
15KB

MD5
804761f865a88efbd195afbc64e87caa

SHA1
eba1bcde831345504a85e1fe51c192d7bd2b2c5d

SHA256
4762f97ea8d00a728e394979a006fc0ea589a61084938d1500094b37240e8727

SHA512
8754deda019d5d0e97dff4d3daa51caa93ed3fda8d4fdee611d4dd7d669410670c9f1d7a43377859bdce076d6d3117deaa5b4e1821950784937adbd903b9091e

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

Filesize
266B

MD5
9c398433382715abe49b8c463339b52d

SHA1
c27ac712cf591fabc7459844db113c2f796ef9a7

SHA256
7f47e15b4a6d906cb1b30d27a16f3eddc512216b788a956f4bdf7b5f8928b547

SHA512
47ca620aaf02904434630d16858f7fdafc35448a8d0826252a5902dd815873f5786868cb0138e9b12cf90d23f443e6e230f26af68a7f709ad09b9f361a2c1c8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8823.tmp.exe

Filesize
78KB

MD5
abd08b1c13c3ad5749c4fbb8d3703b1c

SHA1
e8bcff84c1c3848cc3ea422cb004f7e6bd5b1c0f

SHA256
789e12bac1a586a4f1c2393a3ce9236068b09ab5a4028bedb597001fb5929592

SHA512
d4ed57a10cf595948702e03e9a76c265134787a3f433705aa31013119804733fad70a1cd7d5d453c24c45c4219c7adfc1539334b83e7d01fc6f2fcdb952cdf92

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc88DF.tmp

Filesize
660B

MD5
b8768095c6f2dc43a2e4b7c8ab26cd9f

SHA1
dd9d2858fb706f76b93c85fa4637d33075258fc3

SHA256
22c6c2281aa72f43c0080c051e0aedc3a3e7930f27b4fa3ca8ef1739460ed535

SHA512
1226c15b71ba63686407cdf67c3c16c14dcfbe637978ad59ca38828bfc4a24d1d3988f2c4db9363f3c0162d74a38fb5c54da49982adba20563d891e568e5b8f9

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

Filesize
62KB

MD5
aa4bdac8c4e0538ec2bb4b7574c94192

SHA1
ef76d834232b67b27ebd75708922adea97aeacce

SHA256
d7dbe167a7b64a4d11e76d172c8c880020fe7e4bc9cae977ac06982584a6b430

SHA512
0ec342286c9dbe78dd7a371afaf405232ff6242f7e024c6640b265ba2288771297edbb5a6482848daad5007aef503e92508f1a7e1a8b8ff3fe20343b21421a65

Download Submit
memory/1808-0-0x0000000074D91000-0x0000000074D92000-memory.dmp

Filesize
4KB

Download
memory/1808-1-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/1808-2-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/1808-24-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2988-8-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2988-18-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads