metamorpherrat | 9b1ae0cd2dbbd1cd096f21c3ddc868a0fdb6f032e21303429af9471918f0ee1c

General

Target

231d3e12da335f163aef75c1f98db0c0N.exe
Size

78KB
MD5

231d3e12da335f163aef75c1f98db0c0
SHA1

9631e386ba23f408ed7ee7754bf82e8ac87cce65
SHA256

9b1ae0cd2dbbd1cd096f21c3ddc868a0fdb6f032e21303429af9471918f0ee1c
SHA512

254b75579c0732773079f901d625aa0d82db0ee750b29675e5678d9a76ec2ef9476874f232179c9678b333acde5f9169f6b933668766bd9f4d76eac7f453b55d
SSDEEP

1536:scsHY6uaJtZAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9Qtn9/U1Ri:fsHYI3ZAtWDDILJLovbicqOq3o+nn9/5

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	231d3e12da335f163aef75c1f98db0c0N.exe

Executes dropped EXE 1 IoCs

pid	Process
2060	tmpBE7D.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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmpBE7D.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	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpBE7D.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	231d3e12da335f163aef75c1f98db0c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2232	231d3e12da335f163aef75c1f98db0c0N.exe
Token: SeDebugPrivilege	2060	tmpBE7D.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 4956	2232	231d3e12da335f163aef75c1f98db0c0N.exe	87
PID 2232 wrote to memory of 4956	2232	231d3e12da335f163aef75c1f98db0c0N.exe	87
PID 2232 wrote to memory of 4956	2232	231d3e12da335f163aef75c1f98db0c0N.exe	87
PID 4956 wrote to memory of 1436	4956	vbc.exe	89
PID 4956 wrote to memory of 1436	4956	vbc.exe	89
PID 4956 wrote to memory of 1436	4956	vbc.exe	89
PID 2232 wrote to memory of 2060	2232	231d3e12da335f163aef75c1f98db0c0N.exe	91
PID 2232 wrote to memory of 2060	2232	231d3e12da335f163aef75c1f98db0c0N.exe	91
PID 2232 wrote to memory of 2060	2232	231d3e12da335f163aef75c1f98db0c0N.exe	91

C:\Users\Admin\AppData\Local\Temp\231d3e12da335f163aef75c1f98db0c0N.exe
"C:\Users\Admin\AppData\Local\Temp\231d3e12da335f163aef75c1f98db0c0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2232
- 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\fbxupfo1.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4956
- - 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\RESBF77.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcA4E0209B25D94623921BB9C5CD8F4CB0.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1436
- C:\Users\Admin\AppData\Local\Temp\tmpBE7D.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpBE7D.tmp.exe" C:\Users\Admin\AppData\Local\Temp\231d3e12da335f163aef75c1f98db0c0N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2060

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\RESBF77.tmp

Filesize
1KB

MD5
34393f37687cc75d28ab05e1c7238655

SHA1
6c5eac247663d0d5b67f21ecad92ea5d550d4728

SHA256
5ac992e991fe6e6d41b2b245afefcada1b2019891fe713942d99a5eb46e0c357

SHA512
dab4ca78b8f6f46d9fb345e9c57ef7a49205f96b3e02b103ee26ae684088f07d99605eaaa1a404e6393d58bfee1d3de2b81c68add1e69ca36f448226db5a3df2

Download Submit
C:\Users\Admin\AppData\Local\Temp\fbxupfo1.0.vb

Filesize
15KB

MD5
486bab18d1225e47ede87b9417f8bf81

SHA1
267df570f2f29303cc1628d0fbcd43175b551c45

SHA256
00b14757a7a6d2ad4ebe142af2776355d46f14ba5dedbbae636da1fdc65e7bdf

SHA512
1fd3c63c7c376a5da90eef80a9b3e453f4532b7d33ea02f498fe9fd24a126cbd1263b95aa0c315a9dec34eb6ea8f021ff0340492e1461dd25c16ca8922bee60a

Download Submit
C:\Users\Admin\AppData\Local\Temp\fbxupfo1.cmdline

Filesize
266B

MD5
db1260e09c3c9df63d3f57276a62f49f

SHA1
1e3a2204553f1f1e6d57bda076ae0d216cd5a525

SHA256
f036c3bcbe4fb20732da8fb248918103d0ab20840b787c36f620732d875390c9

SHA512
7d332de0dc351440761725240b77ed2fe52c1e185b102c6be26e7746bb6e050b4c45e74f9ebd1a628421dcf0069b19e0255ab4d146d6c4337b29433805db8d7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBE7D.tmp.exe

Filesize
78KB

MD5
6e6a054e3659e14596ffdfbabab28b5f

SHA1
94ab8a3b343568a8f883d617307a6f0bba16f577

SHA256
48998de8b8135d1241473a8fab04812406cd0abe2f707d5bd4e6090fd931b723

SHA512
3fd999020493c458c805f446e2bac3aa85b8f4d4689f924aa3129b8bdaa3d6f187633ee587d7caa72e58a18a671ff31bcb0159bf5dec54718aa22b28dce88142

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcA4E0209B25D94623921BB9C5CD8F4CB0.TMP

Filesize
660B

MD5
72393d36fde39226b694253cc3080152

SHA1
c594565ea6f8e439690c8005bfe8c03cf9bc1797

SHA256
bab2c1bfdaafd1a5ad8f5e1f77d337a1d7d558b5d66618679803a2b56f039b84

SHA512
f2a417d049686b6485718e554aa2a550ec0de322173f943a2df2bd72709c276f5df1ab2c7d7015d8d3a685d4a813eb5222e850347856b1b3ef7bcb613d20ed76

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

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/2060-23-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/2060-24-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/2060-25-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/2060-26-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/2060-27-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/2232-2-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/2232-1-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/2232-22-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/2232-0-0x00000000750C2000-0x00000000750C3000-memory.dmp

Filesize
4KB

Download
memory/4956-8-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4956-18-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads