metamorpherrat | a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11b

General

Target

a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.exe
Size

78KB
MD5

9b545f0c4b73fc1813e01414e50af4f0
SHA1

f7adb760241827c3011bb246d0bf5d2e7e0690ce
SHA256

a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11b
SHA512

fa2cdc9b8b7c93cd38119190162a2d822ca5aa0289cf6935e533b88473528451277c3115af4c2f930563effb1b12c013b0411c430bb6fe5eba2f80a7907299f1
SSDEEP

1536:eRy5jSxLT8hn2Ep7WzPdVj6Ju8B3AZ242UdIAkD4x3HT4hPVoYdVQtW6tn9/+1oE:eRy5jSJE2EwR4uY41HyvYd9/y

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
2780	tmpEABC.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2356	a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.exe
2356	a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\mscorsvc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sortkey.exe\""	tmpEABC.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	a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.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	tmpEABC.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2356	a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.exe
Token: SeDebugPrivilege	2780	tmpEABC.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2036	2356	a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.exe	31
PID 2356 wrote to memory of 2036	2356	a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.exe	31
PID 2356 wrote to memory of 2036	2356	a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.exe	31
PID 2356 wrote to memory of 2036	2356	a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.exe	31
PID 2036 wrote to memory of 1080	2036	vbc.exe	33
PID 2036 wrote to memory of 1080	2036	vbc.exe	33
PID 2036 wrote to memory of 1080	2036	vbc.exe	33
PID 2036 wrote to memory of 1080	2036	vbc.exe	33
PID 2356 wrote to memory of 2780	2356	a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.exe	34
PID 2356 wrote to memory of 2780	2356	a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.exe	34
PID 2356 wrote to memory of 2780	2356	a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.exe	34
PID 2356 wrote to memory of 2780	2356	a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.exe	34

C:\Users\Admin\AppData\Local\Temp\a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.exe
"C:\Users\Admin\AppData\Local\Temp\a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2356
- 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\7xskmcu7.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2036
- - 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\RESED9B.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcED8A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1080
- C:\Users\Admin\AppData\Local\Temp\tmpEABC.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpEABC.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a33acf15e4ac917c94f099c5ea1c97dfdd26eada2f1330c96f07d23d63eda11bN.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2780

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\7xskmcu7.0.vb

Filesize
14KB

MD5
9e750ea1a6151da86f5d0f4f58f22c82

SHA1
d2fc8625d94b804634bbbc918472a3edfbb6e564

SHA256
1964d665b2c60a4b6441a0f058d1ff061921a4bfff80cf8f0b289f1fbe6dbf7c

SHA512
3f9d3fe6fb641dd8d0e82390a51f645ee0b053b80704436beea9a1d5c02b75ca2e1d471fc7567c0ed53bb1807937bed1a8b1b79a0447dfb7d603973b84f082d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7xskmcu7.cmdline

Filesize
266B

MD5
ebd81046a7c1661d4861a9bc56f54b19

SHA1
d4bfc7066bc929a0d1c1c9047e62533eae9fd1b1

SHA256
9f506c7432a286de9ef66995a8164c48450419b0e8c6c41220fa061962a66a8c

SHA512
803035ea3128099bad83ec87dbee541fdc5a8c06112585298f908213acc793415ed06324b931038fc95ed071bb1927eec5055dda5a810711163f3ae2246363f4

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESED9B.tmp

Filesize
1KB

MD5
461274b8ef99c7e00085cb9390b8ed6c

SHA1
8045b3d9a8d902a305e250630937445e94580e85

SHA256
6a940d8fc9bed1088212b314c2cc70b71de453e09f1a5441c8f4d2f35100165e

SHA512
a2e7b0a4c7c46a908feee9b45d84ad4cff1a7f539b4e0069baf6f88881c8e5ad19da3c5209493ba4ec63400aa5a1217b4a46bf3221bc8c4959ba00f80d85cd75

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

Filesize
78KB

MD5
2c58bf280496f8ea58dc590178396c32

SHA1
bf6fce94718db407a04da607458ed61c5b4fd360

SHA256
ae7f6308e455f3a62e7d188a5326a502528705d260d1eca7f336af349b0f96b5

SHA512
7be550e14490d6303a13d1372861b348e7753c8d225ff2ae7987697e10e40ab67ae9cd4838857e3f3b276b8581f6ea7d6e75c0eab02a1e131140bf30e8659fde

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcED8A.tmp

Filesize
660B

MD5
26938f1fa07e8b4feb7106badcc46a62

SHA1
33ebd0aab5af8a2c7517d6ce418d66c293385e07

SHA256
e3df0b18d5b9172020f9199b72c9444c3f472e7d121e4f8be146877327aea1c1

SHA512
5d210bae0ec5e9eed25d9721e69db66e25caf8be40db5373ee3b1942ef498545b47991bc3c769c4ba9817c000962609e7f858a404fd1fd6db4af0edf627628fe

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

Filesize
62KB

MD5
6870a276e0bed6dd5394d178156ebad0

SHA1
9b6005e5771bb4afb93a8862b54fe77dc4d203ee

SHA256
69db906941dec2a7f1748ea1d15a058751c77d851ce54ea9e2ebdf1d6c7ed4f4

SHA512
3b6f412d4bdf0939677ab6890a6417da6f737376e13375d2a60871de195aa14344b8340d254b819c850d75a443629cbf26f35533e07aaba9532fdc5284132809

Download Submit
memory/2036-8-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-18-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2356-0-0x0000000074DA1000-0x0000000074DA2000-memory.dmp

Filesize
4KB

Download
memory/2356-1-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2356-2-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2356-24-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads