metamorpherrat | 40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4

General

Target

40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4.exe
Size

78KB
MD5

f5fb9ed4b09c2513fd9871765ebd313a
SHA1

e0c02c368a9eecedd54488412ce6d2db8c99372f
SHA256

40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4
SHA512

c5e75f3d011c8edd82202502e3198c40099a21d4b62160628006e5a2ff18abbe0734ad77a5569fc51523c983bfb47c96c6185d47c825541cf27af8b01239597d
SSDEEP

1536:S5jSDXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtN6P9/94ae1xS:S5jSzSyRxvY3md+dWWZyY9/F

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4.exe

Executes dropped EXE 1 IoCs

pid	Process
3120	tmp6AFB.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\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp6AFB.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	40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4.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	tmp6AFB.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1656	40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4.exe
Token: SeDebugPrivilege	3120	tmp6AFB.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1624	1656	40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4.exe	81
PID 1656 wrote to memory of 1624	1656	40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4.exe	81
PID 1656 wrote to memory of 1624	1656	40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4.exe	81
PID 1624 wrote to memory of 4492	1624	vbc.exe	83
PID 1624 wrote to memory of 4492	1624	vbc.exe	83
PID 1624 wrote to memory of 4492	1624	vbc.exe	83
PID 1656 wrote to memory of 3120	1656	40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4.exe	84
PID 1656 wrote to memory of 3120	1656	40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4.exe	84
PID 1656 wrote to memory of 3120	1656	40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4.exe	84

C:\Users\Admin\AppData\Local\Temp\40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4.exe
"C:\Users\Admin\AppData\Local\Temp\40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656
- 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\erquneej.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1624
- - 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\RES6CA1.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcF677DE9BF122421F85EAF3A44D3EC5FD.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4492
- C:\Users\Admin\AppData\Local\Temp\tmp6AFB.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp6AFB.tmp.exe" C:\Users\Admin\AppData\Local\Temp\40cc4b3a2983dcb2ee322789b4b4eb143b1787890c89b1ab07aaf70567c9eca4.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3120

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\RES6CA1.tmp

Filesize
1KB

MD5
2c3d6384c38db88fd4119ed1fde58f26

SHA1
b65420af39f15e475a203a7e31c9f60b95003449

SHA256
7c8148d2c7e7aed760256d186d86e4e81fa008682ee13eed0d3e878149a78d57

SHA512
da9fabdb777fa9ce2157c7b684e819abbd21d1da418468650a82a180ee3ceeed31e517570c12cd39dc60dec88fcb55caf3ac92d720b8bf91a84a1eb9ac80b742

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

Filesize
14KB

MD5
5c1eb8998b164fffa444877be6b25ff3

SHA1
c9223574ef6682abb2c234f142f6f30a176973f0

SHA256
37f9eb582d2e97778505d3d4ad5b46bbc3f228f148f9446aa905ca0d3278af97

SHA512
b9597dbdd16b5151e5b3bb4ab57c28485aafec54aaed3413a247ecf87030a3820e2b5f8720917e616ba9871f7a451164d51b0e612397b2f3d564974ce4f87767

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

Filesize
266B

MD5
c0d29f9f95fc6bdababe523767315721

SHA1
b25bd312ff3e72c98ee1ca0a2e6e41d15f7b45f3

SHA256
94e1f681a48d9f78e55bb61f34c0a0007ebec8ba087ce51570d64bea0e48672a

SHA512
ff69f954d0011eebee3aa12be7ef8c0f57ae1f3ec96a45a652e736570ad891f152a788d0fc81f53780bc9c2ff9c1090a6e25d0f332f5829e624e552b1b274bc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6AFB.tmp.exe

Filesize
78KB

MD5
2636f308ce1e901d5015a263fdf5c734

SHA1
7c78c9333a55b854e407188fad3a5e578db66a01

SHA256
ea803ba5f2c11a2661fc18d8c808392ae3df6c650f01dead353a9a8b7fdd236b

SHA512
1f97534c9280afa695c779171a082e35ffa78a8b191ffa26927fabf559b3370aaec3a39856bd41fc37ac3f5d18629cb93dfd8735def907cea8d60338a8bd4c54

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcF677DE9BF122421F85EAF3A44D3EC5FD.TMP

Filesize
660B

MD5
bd6d84667745366321b8530da02267a7

SHA1
c4d7589cdf7fc0f30116f9fd8ae42c65cd59125f

SHA256
98da5f73f654d0426dbcc421d14948cb493df8a4586ee754f608ca9405d925bd

SHA512
b4a07df77cc9a882c09c8251c9136e0fbb6e593e9116e138caa1aabd31fe8422f837218558d5cf3493ac0e8f8e80b30f3969329fbd1423cf6a12f36523a7b6c2

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/1624-8-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/1624-18-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/1656-0-0x00000000754B2000-0x00000000754B3000-memory.dmp

Filesize
4KB

Download
memory/1656-2-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/1656-1-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/1656-22-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3120-23-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3120-24-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3120-26-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3120-27-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3120-28-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads