metamorpherrat | af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45

General

Target

af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe
Size

78KB
MD5

8b21473aab7cfe0c66f8c8e13d837390
SHA1

44b0d602c5d0e4b7690dba2470bcd411531bfb70
SHA256

af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45
SHA512

cd3707020715400af49fea51325af2b5f318b7cf850626efc9a759dbba5190a367be6e0daa0b62d719e98d15845240d463463898715645ae33014a2d49d7aac6
SSDEEP

1536:SCHHM3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtdx9/Q1dv:SCHs3xSyRxvY3md+dWWZyj9/c

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
792	tmpC84E.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2204	af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe
2204	af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.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\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmpC84E.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	tmpC84E.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2204	af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe
Token: SeDebugPrivilege	792	tmpC84E.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2956	2204	af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe	30
PID 2204 wrote to memory of 2956	2204	af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe	30
PID 2204 wrote to memory of 2956	2204	af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe	30
PID 2204 wrote to memory of 2956	2204	af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe	30
PID 2956 wrote to memory of 272	2956	vbc.exe	33
PID 2956 wrote to memory of 272	2956	vbc.exe	33
PID 2956 wrote to memory of 272	2956	vbc.exe	33
PID 2956 wrote to memory of 272	2956	vbc.exe	33
PID 2204 wrote to memory of 792	2204	af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe	34
PID 2204 wrote to memory of 792	2204	af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe	34
PID 2204 wrote to memory of 792	2204	af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe	34
PID 2204 wrote to memory of 792	2204	af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe	34

C:\Users\Admin\AppData\Local\Temp\af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe
"C:\Users\Admin\AppData\Local\Temp\af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2204
- 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\3t5q6nmq.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2956
- - 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\RESC92A.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcC929.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:272
- C:\Users\Admin\AppData\Local\Temp\tmpC84E.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpC84E.tmp.exe" C:\Users\Admin\AppData\Local\Temp\af327173b89bae0413e4195c724a097091dd6cc1c23d8a501f9e9718bd3f1c45N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:792

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\3t5q6nmq.0.vb

Filesize
15KB

MD5
e2ed9c8b3edfb679ed96bcddb92f1ded

SHA1
ea7350c0902a2535ebfd3e77ba2c38af0e03531e

SHA256
c2086e96140f3c8eb13809fc96ef96dcf457ac42c2709091d9fcca9e7fc87ea7

SHA512
a3f6d568554a080d61ee6b2b3d9868a2f00c4c5be987ae0d0a82e5fe6117530091e2610099fac830225e532895f2c1833f3bdaf4e64d01791e7ed9af4e0e1628

Download Submit
C:\Users\Admin\AppData\Local\Temp\3t5q6nmq.cmdline

Filesize
266B

MD5
6e3c4f475d995909ec6f1c05827755bd

SHA1
fb7f1ffc7b9d9c77cc00ff9de0595db14a816546

SHA256
0b895f3ea44b3d5bb40de32b2ad1d3fd73607ca40e723af33c94b3ac48a370a2

SHA512
1a4a4c47eb84a4c32143704173f024747c47230685f80baece9a16000ce260e55ce4df55e5e359449c748c87bfe46b57b6e8310e61ab1402d739527ddcdce761

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESC92A.tmp

Filesize
1KB

MD5
e86126d930d4e706ef80a55a79967cc4

SHA1
0f2a4739f921e89228db3428a0759e15f4e991b3

SHA256
4330a3d588fc00cb4845498d9f2fe0d572f4c3e30b70712033fadf5773751604

SHA512
7b21579eb13fff48ea2607118ae169636be6083c6de84f4f6d1f456d9c3ed7431796332322cf354b3a6f0715db372db5962490d713851e89457d3810fc3e0ec2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC84E.tmp.exe

Filesize
78KB

MD5
e94062a9d73f545aff4da05cdf12c5c1

SHA1
14704cb8b6d5dbd65a9af9a497c577337182dea5

SHA256
8422e0de2a4184e1f3f643dedab169c8e964975932cce8fa53ccc38345aace0a

SHA512
eca625eab2ec29e9579d3f7444a028a1540d575a9ffecb0a028cc5f2eee7910f4b859dbc42d610d9889ff80445a34d3afc908093050b1346c6e1381428a453b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcC929.tmp

Filesize
660B

MD5
bc996b479205fff44c1b4f562e7dcc37

SHA1
fd8f487ddf0cca5a826b28054b37a3befa407d42

SHA256
36d5dd7eeb08d5cae75d71c8b476f368662208e7ed60ca2f05b788a50a9e1137

SHA512
4f12ef3a6ec41bde3d839805a7ad330f458845e06224f35a01aa54d4751db6b301380e70213271a8f674b493032f0bd592e7170c90cc6cf54df1c76b6753dd8d

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/2204-0-0x0000000074901000-0x0000000074902000-memory.dmp

Filesize
4KB

Download
memory/2204-1-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/2204-2-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/2204-24-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/2956-9-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/2956-18-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads