metamorpherrat | d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42d

General

Target

d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.exe
Size

78KB
MD5

a995e914cb08b8547b04c1a7a171bae0
SHA1

0e85b7e6cded0463a5a42f7ea0316a32d80ff3ba
SHA256

d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42d
SHA512

b2b0ed7f83488d4cb9f93469625cda3dc7ce9c2051ff2861b4a7990f5ac0848bd702f9c0486137ed7fb9342ef865bdd775cbc0e9f9279492e7cf48cd3b2e34fc
SSDEEP

1536:NPCHHM7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtv9/M162:NPCHshASyRxvhTzXPvCbW2Uv9/4

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

Executes dropped EXE 1 IoCs

pid	Process
2744	tmpCA51.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1896	d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.exe
1896	d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpCA51.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	d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.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	tmpCA51.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1896	d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.exe
Token: SeDebugPrivilege	2744	tmpCA51.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 2200	1896	d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.exe	30
PID 1896 wrote to memory of 2200	1896	d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.exe	30
PID 1896 wrote to memory of 2200	1896	d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.exe	30
PID 1896 wrote to memory of 2200	1896	d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.exe	30
PID 2200 wrote to memory of 2796	2200	vbc.exe	32
PID 2200 wrote to memory of 2796	2200	vbc.exe	32
PID 2200 wrote to memory of 2796	2200	vbc.exe	32
PID 2200 wrote to memory of 2796	2200	vbc.exe	32
PID 1896 wrote to memory of 2744	1896	d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.exe	33
PID 1896 wrote to memory of 2744	1896	d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.exe	33
PID 1896 wrote to memory of 2744	1896	d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.exe	33
PID 1896 wrote to memory of 2744	1896	d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.exe	33

C:\Users\Admin\AppData\Local\Temp\d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.exe
"C:\Users\Admin\AppData\Local\Temp\d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1896
- 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\kpudtz81.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2200
- - 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\RESCC16.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcCC15.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2796
- C:\Users\Admin\AppData\Local\Temp\tmpCA51.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpCA51.tmp.exe" C:\Users\Admin\AppData\Local\Temp\d0827b8817f1554cf0fc79f46109492191689ea314d1112ca369742d4337b42dN.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2744

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

System Information Discovery

1

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\RESCC16.tmp

Filesize
1KB

MD5
97b782d99265aab55bc018f748bbda45

SHA1
9b6576f162974f5ac211a316c11a55801554acf7

SHA256
1c986b47f8541c04da860dd3bea56feecfc91d13fb84952d9c585d9a6dfc9275

SHA512
3a5c19701d7fc0a1afe7c07509cd3ccf951dc29dea0d694a4699d44383eb9bcc13bbdab787dcb6591736ff4b0fcb924565b56d0eec1e046a07f0c3113528be4f

Download Submit
C:\Users\Admin\AppData\Local\Temp\kpudtz81.0.vb

Filesize
15KB

MD5
e2a60b459d89bc0343cd14a9abc3ba49

SHA1
9d97a21786f0ef8dd42654751ba714346861ffe1

SHA256
3911a763dc077a4d493dd49d6dd27ed5b4d178b2857e5e345150ce60996db5f0

SHA512
0e606c487c44976a3044b48de48ca43ae5f0b50b6e73f05ee610c0aa1cf5ad1890f87e6e5806abcaf7496bfcb4f749767e69da0a9c5e00ed9e6400686dd5daed

Download Submit
C:\Users\Admin\AppData\Local\Temp\kpudtz81.cmdline

Filesize
266B

MD5
c2ca7252061f192606052ae67d15cb9f

SHA1
ea4eeae531baf0f8d31b58b7a33575ba63fad08b

SHA256
c31df7ee53cb10aac891738012f7f116038c5e260881bf101b513621bb325d4e

SHA512
dc3792e1cfe8433bb99409ef484c9f2c0aa0dd6c8c23d0362114e37d741ef0e382fa3f967bd4c2ccb43873f9383c1a2b524cc56b1a42f9d2fdbba45e1d570540

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCA51.tmp.exe

Filesize
78KB

MD5
c30b9039eac6146e0828d34f29a95d3a

SHA1
6e5a5d96207e10591f6ccb54fb4af2f65272ad9d

SHA256
8b2972fc48e13efcf49cbab15fec4f361e5342043d814bc55af842896bbba6da

SHA512
8670553e5f1ab3069a8e9da92d227e9431f2bc6cc20ba357f570b726aa62f3f4b24a93af32198b2568edac1a98400d753bb9f788428140a7a671f5e223883f57

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcCC15.tmp

Filesize
660B

MD5
2b4f0f2cf36132fbf34648785e59c2b7

SHA1
71018481a04af7047fb180cb90202d8a36ad8848

SHA256
896dffe6bf51856d54f0e4fd556d63c09b1df3d758a2f72e170caf41219fd928

SHA512
a9a545f8060e6d3265f8892c6889eb9542c06f44d1c781187fcd871c5f5be86c78e9a4b167c22f4912053df32dacef2b67caf012bf99ecb13719299e37693cfb

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1896-0-0x0000000074081000-0x0000000074082000-memory.dmp

Filesize
4KB

Download
memory/1896-1-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/1896-2-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/1896-24-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2200-8-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download
memory/2200-18-0x0000000074080000-0x000000007462B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads