metamorpherrat | 6dc87ffc3a8e23f9a4f45d4099aff33f01a0b79f958428531eb9dd7603b9e602

General

Target

5fc07da9ed16a8394b3326ff67d7e970N.exe
Size

78KB
MD5

5fc07da9ed16a8394b3326ff67d7e970
SHA1

65cc35a7281c57d2981ed8aa8adda28f1ee8e6ba
SHA256

6dc87ffc3a8e23f9a4f45d4099aff33f01a0b79f958428531eb9dd7603b9e602
SHA512

afc54f9fee248376f719306b38b3f3c18674fe81faef3a1650e38b9bdcf10a501e8fcdcdab77c3199eea4eb6e0f9a8afdd16c8ca746fdfeb53d50640e259145c
SSDEEP

1536:+e5kdy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQty6Zt9/u1Kn:+e5Tn7N041Qqhgf9/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

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	5fc07da9ed16a8394b3326ff67d7e970N.exe

Deletes itself 1 IoCs

pid	Process
2976	tmp65EE.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	tmp65EE.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System.XML = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\AppLaunch.exe\""	tmp65EE.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	5fc07da9ed16a8394b3326ff67d7e970N.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	tmp65EE.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3356	5fc07da9ed16a8394b3326ff67d7e970N.exe
Token: SeDebugPrivilege	2976	tmp65EE.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3356 wrote to memory of 1584	3356	5fc07da9ed16a8394b3326ff67d7e970N.exe	84
PID 3356 wrote to memory of 1584	3356	5fc07da9ed16a8394b3326ff67d7e970N.exe	84
PID 3356 wrote to memory of 1584	3356	5fc07da9ed16a8394b3326ff67d7e970N.exe	84
PID 1584 wrote to memory of 2196	1584	vbc.exe	88
PID 1584 wrote to memory of 2196	1584	vbc.exe	88
PID 1584 wrote to memory of 2196	1584	vbc.exe	88
PID 3356 wrote to memory of 2976	3356	5fc07da9ed16a8394b3326ff67d7e970N.exe	90
PID 3356 wrote to memory of 2976	3356	5fc07da9ed16a8394b3326ff67d7e970N.exe	90
PID 3356 wrote to memory of 2976	3356	5fc07da9ed16a8394b3326ff67d7e970N.exe	90

C:\Users\Admin\AppData\Local\Temp\5fc07da9ed16a8394b3326ff67d7e970N.exe
"C:\Users\Admin\AppData\Local\Temp\5fc07da9ed16a8394b3326ff67d7e970N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3356
- 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\bixzwt3r.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1584
- - 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\RES66E8.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcCF13971C9E4F888A68ABD1C22954.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2196
- C:\Users\Admin\AppData\Local\Temp\tmp65EE.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp65EE.tmp.exe" C:\Users\Admin\AppData\Local\Temp\5fc07da9ed16a8394b3326ff67d7e970N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

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

Scripting

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES66E8.tmp

Filesize
1KB

MD5
1d2a8a4d3a770d325c52b7454b50af07

SHA1
6a0683746eb234e034ace78fbf04cfed9b630c4c

SHA256
dcd3becf89904055102de748950c16acb9fe92948ab9fad70d24e5fc7ea68d1d

SHA512
4dfa7b909f12eb347c54d48d4466ba80d0e148367320ab15d445c7a829e8c37df88623d4cf696b23cfcb4ce9ba9e360e523f3c021e8ec4761a01aaaab9bb8b03

Download Submit
C:\Users\Admin\AppData\Local\Temp\bixzwt3r.0.vb

Filesize
14KB

MD5
4ce8f633a9ad2b2e1042af2f1e01efc0

SHA1
71f079082963b04dffd153855b933680c6221436

SHA256
e79f8180dcccd9c8371f97c279087da70c169ceb34d70010b7109142f61e1b91

SHA512
27ee8bfb828e10d0658983fb15fbc384845ad1177669dac345b18b46c975d4896c37564a8ede5918559ae9768eeb4c197dd26e2e73502d0b492d5ff271a3cb70

Download Submit
C:\Users\Admin\AppData\Local\Temp\bixzwt3r.cmdline

Filesize
266B

MD5
2eb7e332b8d9a7f29841725f11d08fff

SHA1
6979598a9ad733ce8c5352e972daf41876fb3313

SHA256
1524053cbc3e2d9046ce4e1dce371adb667dfb368fd06798392f1dbc223c8c7e

SHA512
213df43b24e53cccadd1a11acfa6e119133938e651f84fd808bfd121c2332699390e24fc4cf9f28dc8321f406579ed4ebcb08c7699c9525c875cabf7f7e956ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp65EE.tmp.exe

Filesize
78KB

MD5
fac7e5a2d1c5c7ee1fab6987fd2355f7

SHA1
df5da3b87339e89140a5103f07477c8879ec4a77

SHA256
8a65c8f36701a1f9ee1ccb13b7320af6a6beab8f8e884b5c15fe2cd12e367b49

SHA512
0fb6dcd442182af98a1976d01776f5269974fb863046953c0b4b2189af6b3b2de67fec54be8a5eae6605f4aebe45e9391029e9245d56ad3053fae50b07e2fc3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcCF13971C9E4F888A68ABD1C22954.TMP

Filesize
660B

MD5
23752e8192a22174ef41e9f428587d07

SHA1
16ea48da070efbe7fcd115ca9c71a04a0b9627ed

SHA256
0cbdbe914cd8e14f87c2c00003caaf69621525dacd7c260f3467e898ae2c93c6

SHA512
6e687b27c759beed3ac772b3111dd25dc06ccb74c5eb6c51f21e2ca34bbbd30cd2acd8bbcd0dfb577f37e16ba96d093ea8d48ff1fe09901263476761a021fc32

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

Filesize
62KB

MD5
aa4bdac8c4e0538ec2bb4b7574c94192

SHA1
ef76d834232b67b27ebd75708922adea97aeacce

SHA256
d7dbe167a7b64a4d11e76d172c8c880020fe7e4bc9cae977ac06982584a6b430

SHA512
0ec342286c9dbe78dd7a371afaf405232ff6242f7e024c6640b265ba2288771297edbb5a6482848daad5007aef503e92508f1a7e1a8b8ff3fe20343b21421a65

Download Submit
memory/1584-8-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/1584-18-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/2976-23-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/2976-24-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/2976-26-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/2976-27-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/2976-28-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/3356-0-0x0000000074802000-0x0000000074803000-memory.dmp

Filesize
4KB

Download
memory/3356-2-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/3356-1-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/3356-22-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads