metamorpherrat | 6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83e

General

Target

6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe
Size

78KB
MD5

47507cb9baa61ed4d6660b56af205760
SHA1

1538fe63b467a2f9125ba93ec6cb9ee83313bd60
SHA256

6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83e
SHA512

7c6277e8cc3a8b360325cb0cfc6b4faa8b5709c65e6f51f95adf901e2f169727202ae9b18f206fcc6d61b0a2d2bf1f93aa479579c2f6d1900f833f4c73e94257
SSDEEP

1536:GRWtHHM7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQteT9/11z5:GRWtHshASyRxvhTzXPvCbW2UeT9/9

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
2740	tmpA795.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1656	6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe
1656	6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.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\""	tmpA795.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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpA795.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1656	6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe
Token: SeDebugPrivilege	2740	tmpA795.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1480	1656	6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe	30
PID 1656 wrote to memory of 1480	1656	6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe	30
PID 1656 wrote to memory of 1480	1656	6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe	30
PID 1656 wrote to memory of 1480	1656	6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe	30
PID 1480 wrote to memory of 2844	1480	vbc.exe	32
PID 1480 wrote to memory of 2844	1480	vbc.exe	32
PID 1480 wrote to memory of 2844	1480	vbc.exe	32
PID 1480 wrote to memory of 2844	1480	vbc.exe	32
PID 1656 wrote to memory of 2740	1656	6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe	33
PID 1656 wrote to memory of 2740	1656	6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe	33
PID 1656 wrote to memory of 2740	1656	6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe	33
PID 1656 wrote to memory of 2740	1656	6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe	33

C:\Users\Admin\AppData\Local\Temp\6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe
"C:\Users\Admin\AppData\Local\Temp\6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe"
1⤵
- Loads dropped DLL
- 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\wtxhdbch.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1480
- - 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\RESA9C8.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcA9C7.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2844
- C:\Users\Admin\AppData\Local\Temp\tmpA795.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA795.tmp.exe" C:\Users\Admin\AppData\Local\Temp\6d181d0db88dbbe207ea6926cf7f45ba92e512aefce2c9221008604612bbc83eN.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2740

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\RESA9C8.tmp

Filesize
1KB

MD5
3b551215dbf9e5f132d523a495d087a1

SHA1
636aa6d0b119bb132e5aa3b5c42f3d47fb5df7a0

SHA256
0dc4a9af669c1b6b85d28205bcf653499275f6939211d777447f9b1731f7b711

SHA512
98ca66e088476fd8e34e6c1fb1d4e98d8f9d7bc2797ded9a15204c8b6f661dfa7fc51894040eb35a533e09df039b4dcd79e0b36a484928e51dd27c06943e955c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA795.tmp.exe

Filesize
78KB

MD5
af70cf6230e1a7a8d54e61deda9d5c5a

SHA1
b9afb6f5dcc8a0e9eb7e85eb7195ca5c9374c36d

SHA256
3e1e83869ebf950f6f24ef1dd32efb10f2e8e847c0e094474a0ec2a98437e352

SHA512
aceec1f36cb68dac2a719ca0ffc53a9b4d4473461e07c6af575ade222049a3885f3d4d1107339d810febe702ce759e579715c5d17c67a0062592d7deccff4414

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcA9C7.tmp

Filesize
660B

MD5
2d6391ee6bef1df1996148b917397626

SHA1
ff8034befdcf489b99fa3b25854a9771b18d7601

SHA256
69975324f28917c7f86a0768eaf93dfcf3ab9fc4a9705b7834b2949aec2d6dec

SHA512
48144b242635ffd865048e91a277de7a81c59e9f169432a9e0757ec5e5a1c326983faf59f505582fe619caba44103c7c6c3601cdfe64e8baaad2629da1770a58

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

Filesize
15KB

MD5
2f8b3f6d9ef665b637a0582833fd3b54

SHA1
2ff5d4edb084722b68971c051f5ae6dfc3167709

SHA256
371aef7f610e4303302a14570f6faf988b47e734e85c05f01e933c0e28a92459

SHA512
aa752e5e3a500ea2f41f29c370d9feecf9ec6d96ade0304b53c3e0029ae874e351007e114c7380f3d36458fbe5e4e462f335bb52208ae39bd3dea142edfdff7e

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

Filesize
266B

MD5
fdf8801774a23eb2fb208fb49d43590b

SHA1
ff15f45eb92e225d7c93eb5175d3df25f38399c4

SHA256
bc57e2678c6f491179ccc733a2968e2b37b22a27f1b1a5f88e1b1e7bf8b0ce7b

SHA512
d61d31b500baeef87aec3ff2511ede6257bf57dce6a645b067633e857fae57ca1e95e349c550c1e95abd166f66c6a9460bde9f1fe32f2ccdf617bd521fa85a50

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1480-8-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/1480-18-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/1656-0-0x0000000074B21000-0x0000000074B22000-memory.dmp

Filesize
4KB

Download
memory/1656-1-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/1656-2-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/1656-24-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads