metamorpherrat | c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8

General

Target

c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.exe
Size

78KB
MD5

9d797a1044fe51eac1ef33b2ff4fc011
SHA1

8b83c7bfdcd4b7ab6bcf9bf7851b35dee476e68d
SHA256

c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8
SHA512

008a3c5425b53001455255bf0cfd420e7eda02441f1d5be022980cfc3a20831a4b349b02389a6ab1e683a3efb238cff4ddc17b2dc89973565b8d7f1df8d8a784
SSDEEP

1536:vhHY6uaJtZAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9QtW9/a1FaF:5HYI3ZAtWDDILJLovbicqOq3o+nW9/xF

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

Executes dropped EXE 1 IoCs

pid	Process
856	tmpC3BC.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2204	c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.exe
2204	c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmpC3BC.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	c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.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	tmpC3BC.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2204	c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.exe
Token: SeDebugPrivilege	856	tmpC3BC.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 1848	2204	c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.exe	30
PID 2204 wrote to memory of 1848	2204	c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.exe	30
PID 2204 wrote to memory of 1848	2204	c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.exe	30
PID 2204 wrote to memory of 1848	2204	c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.exe	30
PID 1848 wrote to memory of 3048	1848	vbc.exe	32
PID 1848 wrote to memory of 3048	1848	vbc.exe	32
PID 1848 wrote to memory of 3048	1848	vbc.exe	32
PID 1848 wrote to memory of 3048	1848	vbc.exe	32
PID 2204 wrote to memory of 856	2204	c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.exe	33
PID 2204 wrote to memory of 856	2204	c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.exe	33
PID 2204 wrote to memory of 856	2204	c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.exe	33
PID 2204 wrote to memory of 856	2204	c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.exe	33

C:\Users\Admin\AppData\Local\Temp\c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.exe
"C:\Users\Admin\AppData\Local\Temp\c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2204
- 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\v2zcsinn.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1848
- - 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\RESC43A.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcC439.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3048
- C:\Users\Admin\AppData\Local\Temp\tmpC3BC.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpC3BC.tmp.exe" C:\Users\Admin\AppData\Local\Temp\c6a1f184673ca5feb2736b3118bcb6ca6ae8df6b8600abb6579df0fca83bdfb8.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:856

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

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\RESC43A.tmp

Filesize
1KB

MD5
b2f8677424c347d7d36e93b49d0905ae

SHA1
ae153d7d4417c2c544eb91693fe7ff047d420e5f

SHA256
2a7552a29f23cabd0815838618242da1484b0cf836846ec56a6e10011d87e54b

SHA512
a7fbbf5791e2cb073960f6532af095c0f09bc53d22ef37fac7f6e44df6b46eba86bd589e6db262ca6abe9f9c91abc5674b1c8400739a60313288e1a8ce3d1dbc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC3BC.tmp.exe

Filesize
78KB

MD5
d4402aa85ca76e3ea2c1cfe916f45d22

SHA1
51a480417a6a7f3bc47503b2de937997878cde2d

SHA256
d612cd6b7cc4d8ffa3935c8d481de2b790a0180f47622a429f3b0f58215435c6

SHA512
7ed3568bb60d32873e36b3d62b2b1e797c88eb97e71300805264d2e1fd332a9c3daf2715610886cab5997be5c019eb9d217158ba663e6a3baab1fbd2816b492b

Download Submit
C:\Users\Admin\AppData\Local\Temp\v2zcsinn.0.vb

Filesize
15KB

MD5
5a7af21eb3ff3384c9f0fce2f09d3d47

SHA1
50919fffaba5c6715f650dd692b870067cdd518f

SHA256
6b6cf73ecf499c57263752ec5569abf887be9c76dace6aca8ada2c85ae091d68

SHA512
f17695eaaf86400a0527296b2d9538593d81214b4c2029e5957851dbdb79cc65f784b03dad8d721d1a4893e59194c01eb4f37ecdbc5aca2ba683a8ab996c97a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\v2zcsinn.cmdline

Filesize
266B

MD5
4eee9b49e5ad80448b8cedc6c186abfd

SHA1
99484596aae47b36a3f8531f17e6fa65cc24dcf8

SHA256
e94b67c4db6fc9abcafd41b43eea03ce896189b1ea562a85562542eb8246a6c1

SHA512
235d6e96d3a1a34d8a225951360f6aa7cbf4b18a67ae5bc62603dfb2de072eb711656d68a9e8b8a3b85e49aa68be395243ee8fe282ea06936dbf0aec544ad031

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcC439.tmp

Filesize
660B

MD5
ab2170ed32c17735f09be0be220f40c5

SHA1
2638d57cbbe5fee970ecc0a9aae5db5edd5c937d

SHA256
c76b7e35865ed9f237b9ba106309abef2b39b4aa9ba43c788c577bf452353d3a

SHA512
86df735cbd2ba19ef6e21a34e12013c51ed0705506992e6af550dd52ce8dd7fe3ad22c0e375639fd15c2d29ed7c1c0b208c602c2cb6da38a607ab69dc1b6a1ea

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

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/1848-9-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download
memory/1848-18-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download
memory/2204-0-0x00000000747A1000-0x00000000747A2000-memory.dmp

Filesize
4KB

Download
memory/2204-1-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download
memory/2204-2-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download
memory/2204-24-0x00000000747A0000-0x0000000074D4B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads