metamorpherrat | e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4

General

Target

e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4.exe
Size

78KB
MD5

44670034b7ac83d6a9ca82b2994df75b
SHA1

cf65e71b667435c8b4294c82db41c7244981a46b
SHA256

e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4
SHA512

f4373697dd2e133d08e8963138929d4b8496286d1d2b342eaba741614a6e146d5da4923d23787b0139387660d5848c70b6c5496a4d23d9302acd20700edaca8b
SSDEEP

1536:3PWV5jPLT8hn2Ep7WzPdVj6Ju8B3AZ242UdIAkD4x3HT4hPVoYdVQti67M9/X1SK:3PWV5jTE2EwR4uY41HyvYDM9/X

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1170604239-850860757-3112005715-1000\Control Panel\International\Geo\Nation	e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4.exe

Executes dropped EXE 1 IoCs

pid	Process
1244	tmp901A.tmp.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\""	tmp901A.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	tmp901A.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4932	e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4.exe
Token: SeDebugPrivilege	1244	tmp901A.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 1508	4932	e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4.exe	86
PID 4932 wrote to memory of 1508	4932	e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4.exe	86
PID 4932 wrote to memory of 1508	4932	e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4.exe	86
PID 1508 wrote to memory of 3716	1508	vbc.exe	88
PID 1508 wrote to memory of 3716	1508	vbc.exe	88
PID 1508 wrote to memory of 3716	1508	vbc.exe	88
PID 4932 wrote to memory of 1244	4932	e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4.exe	89
PID 4932 wrote to memory of 1244	4932	e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4.exe	89
PID 4932 wrote to memory of 1244	4932	e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4.exe	89

C:\Users\Admin\AppData\Local\Temp\e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4.exe
"C:\Users\Admin\AppData\Local\Temp\e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4932
- 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\qroa_8f4.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1508
- - 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\RES929B.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc27FE121BD4EA4AC1A0F037EC4DD1E4F.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3716
- C:\Users\Admin\AppData\Local\Temp\tmp901A.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp901A.tmp.exe" C:\Users\Admin\AppData\Local\Temp\e21a4fc43273aaef04bf0864cbd934debdb6c2b2216fa85df90af9609e8b40e4.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1244

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

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES929B.tmp

Filesize
1KB

MD5
494d8b772fc06c8f655898e610e74ac7

SHA1
f23c0c6388295f63de9df62885b208b3dd0f5a37

SHA256
a5a92c6a94d13ea18592d75919a95bb7a201ceb5316d2f8a71636e4914417a5c

SHA512
3725b31b72a260c238ec8a980c1047f08c6885714d406c3e588aff78deca8265c990850b57081204af4200c27ebc64c1785c6a2f3736e93d2a144ca45cf8a253

Download Submit
C:\Users\Admin\AppData\Local\Temp\qroa_8f4.0.vb

Filesize
14KB

MD5
99aa30a0f60663b105cff4d2621caefb

SHA1
cd97abf6b3d7abe920a64696c9558889fc687e42

SHA256
0e682211557e22e6a4bca9a54f31145c0beb2a555387190970758180deceffc3

SHA512
6983c372dd06ac4c45a91d06c27b0ddb7f40321693c8760b3410e1e48731e1bdc91dd6432fc09f7dd1272e8a63a56da9ab871941faac31ecb7892a3ded29af75

Download Submit
C:\Users\Admin\AppData\Local\Temp\qroa_8f4.cmdline

Filesize
266B

MD5
8ac03696999f3a1d30c9eddea8258c88

SHA1
a7130cfbfbcb784a69632ade91e197f45f1c8b6e

SHA256
64a2c35f3d33e66a0bb1d96befdbfc083c2592e28816c4d93360ac0f33e5e665

SHA512
57f2aaf0daa0c618f100f2cfcaab18b171f39b94a3798843a46dd6d7a89a34e79ca344d20ac1eed00c0c6dde8970ffbc8a1c89bde18892b2248b83dcd5eb805b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp901A.tmp.exe

Filesize
78KB

MD5
ce2f98381b2c9872cbc14ad73ea90739

SHA1
c6fb6931067d7da1caa642b07029d7696eaecc6b

SHA256
fbce9b1475dcb49ff31b8e81fa59df775b9ecd0916c6e7bb241893e2f91b98ed

SHA512
c28a7808b596881f42e111bed1da03514e10eda37bfbe0eb420756f5d4ca3dc88b970f3b0bd84d1a027d6f6a08428b1082d2d31457f840dafec19948822df29b

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc27FE121BD4EA4AC1A0F037EC4DD1E4F.TMP

Filesize
660B

MD5
af1f8b64e3a3c34f3713a16b683cbc77

SHA1
38daac14a3b97d631fb54dfc8a64ad3c7c6ad545

SHA256
b3cc8017e1c5ff245a93103fa3205eee15c3e5231d5f2d755887068d8387dc3a

SHA512
38bf4571cbb8ed71af3b4cb3e897023334a99d30f2cfb86815c8a21805fd6b7fa8648ca4a9a09989dd671ffeaf4cb553a400c9549a3f331c017e1af60156f31d

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

Filesize
62KB

MD5
6870a276e0bed6dd5394d178156ebad0

SHA1
9b6005e5771bb4afb93a8862b54fe77dc4d203ee

SHA256
69db906941dec2a7f1748ea1d15a058751c77d851ce54ea9e2ebdf1d6c7ed4f4

SHA512
3b6f412d4bdf0939677ab6890a6417da6f737376e13375d2a60871de195aa14344b8340d254b819c850d75a443629cbf26f35533e07aaba9532fdc5284132809

Download Submit
memory/1244-23-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/1244-28-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/1244-27-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/1244-26-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/1244-24-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/1508-18-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/1508-9-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/4932-22-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/4932-2-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/4932-1-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/4932-0-0x00000000747C2000-0x00000000747C3000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads