metamorpherrat | 1709dff46f3a6fb90faa266f05423509ca3071a8e55d8a791424fde65f9f8865

General

Target

661c483ad8258bba303bb3a2d4077c50N.exe
Size

78KB
MD5

661c483ad8258bba303bb3a2d4077c50
SHA1

438cd11ed72f0dfcec8966bf079f92376b7264b7
SHA256

1709dff46f3a6fb90faa266f05423509ca3071a8e55d8a791424fde65f9f8865
SHA512

283b1561e4c0a4a9fdeffda9ada7a0cc86383698fd0424900484b60acc7841d2631048348e025af530f08d608114a2b63d2538a970ca1a86ba8e4bd4e3b71960
SSDEEP

1536:HXRWV58WAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9Qtt6R9/U1lD:3RWV58WAtWDDILJLovbicqOq3o+na9/w

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-1-5-21-1266786182-1874524688-71015548-1000\Control Panel\International\Geo\Nation	661c483ad8258bba303bb3a2d4077c50N.exe

Executes dropped EXE 1 IoCs

pid	Process
2208	tmp9C4F.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-1-5-21-1266786182-1874524688-71015548-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmp9C4F.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	661c483ad8258bba303bb3a2d4077c50N.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	tmp9C4F.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3020	661c483ad8258bba303bb3a2d4077c50N.exe
Token: SeDebugPrivilege	2208	tmp9C4F.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2492	3020	661c483ad8258bba303bb3a2d4077c50N.exe	84
PID 3020 wrote to memory of 2492	3020	661c483ad8258bba303bb3a2d4077c50N.exe	84
PID 3020 wrote to memory of 2492	3020	661c483ad8258bba303bb3a2d4077c50N.exe	84
PID 2492 wrote to memory of 3560	2492	vbc.exe	86
PID 2492 wrote to memory of 3560	2492	vbc.exe	86
PID 2492 wrote to memory of 3560	2492	vbc.exe	86
PID 3020 wrote to memory of 2208	3020	661c483ad8258bba303bb3a2d4077c50N.exe	87
PID 3020 wrote to memory of 2208	3020	661c483ad8258bba303bb3a2d4077c50N.exe	87
PID 3020 wrote to memory of 2208	3020	661c483ad8258bba303bb3a2d4077c50N.exe	87

C:\Users\Admin\AppData\Local\Temp\661c483ad8258bba303bb3a2d4077c50N.exe
"C:\Users\Admin\AppData\Local\Temp\661c483ad8258bba303bb3a2d4077c50N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3020
- 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\xywovqgf.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2492
- - 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\RES9D59.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcE2657D4F6E2A4ED7B19326B4A315E86.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3560
- C:\Users\Admin\AppData\Local\Temp\tmp9C4F.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp9C4F.tmp.exe" C:\Users\Admin\AppData\Local\Temp\661c483ad8258bba303bb3a2d4077c50N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2208

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\RES9D59.tmp

Filesize
1KB

MD5
2399735700f7242a50f1821500449d31

SHA1
336887aa4db70c72675bf441eadea44e913a2667

SHA256
4da71f0949731dc13a6aa845fc8627ca4f753c8ae1d2e5b53c3d2fb75de5246d

SHA512
ba7b70d5bf3074e401d7f77a3b1ba620e879627c7bd51be257a1b88a5c17d83b74ef0ed969a4b3c4bfa36b6f7899201085441d55f66f18fdd1e80e2afafbeaa6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9C4F.tmp.exe

Filesize
78KB

MD5
78aead5e11c3450b3d73f1c0b719b8f6

SHA1
31072a1f9c070d4918f2fd6af0f4e8f1a234a1e9

SHA256
ea4fb2fa888eec1c67b26410a069ab4d34613c5b0118d1eb54996ea40acd8746

SHA512
c500426e2aca91f1c7162cccf9142fd21bf92f5712d3fce7b95799e07207a54a65e31c6352d1098a81be9827fbfe4776077139a48397695380aa1648032fd210

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcE2657D4F6E2A4ED7B19326B4A315E86.TMP

Filesize
660B

MD5
a0232ef22cc8a332881f0eb1858330ba

SHA1
ae9a1aac7dbf5e66a3522cbf01506fa0aeab0338

SHA256
7deda7a28dbb258c5710c826cd2a36a184dfe8a1efb17afcd4ed32934cecf569

SHA512
ac464309866a73c06b3cdca4d8f817674c9d2c57b18059d27d771f1b12ce09e1b7a7d7f616cac29bcc6452af3d586bdc5a5b26e2b9250eba831a6fa552656e26

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

Filesize
14KB

MD5
abb6f19c99c7a026031dff27a1d42c73

SHA1
f23b85609e477d5af109c242e408c46792ddc007

SHA256
d7e235532ff3c39bc73fe6f2aaa2657f750f748e6ca759a6cdcb8a580bfc31a6

SHA512
2343b4355206c2c790540e7a2d060062d011ffdcff91e58eed55b08c798e9404c7f24e197be898bd418740193dc71323730df230c5f8a635f94305e79989f046

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

Filesize
266B

MD5
4950c7fad5c372d908025f5bbe3dc5ed

SHA1
523bd7ca03beece683b7815278f0d9f429a6197c

SHA256
5c7f77add9f28836722e9ee05e26a0ba688329199ac2dbe8e394930cf8619852

SHA512
f6ede63a739557bf0f121ee0382bb4c3849ef584907ad39e0494f7c486c4e065324c5e99f24ef501b01140c22e203967704d5a56cd22bcfd7ad5563fafae9c63

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

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/2208-24-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2208-22-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2208-25-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2208-26-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2208-27-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2492-9-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2492-18-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/3020-2-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/3020-1-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/3020-23-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/3020-0-0x0000000074CD2000-0x0000000074CD3000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads