metamorpherrat | fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c

General

Target

fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.exe
Size

78KB
MD5

aceb7423395e8efe850671491e18f6bc
SHA1

86dd0be3a5e9f8d64aa771f4e3e59c62df3814b7
SHA256

fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c
SHA512

c2c03ec526e635f29918f1a12076e772a73f8746f3f5a2f96f114b5c0c9711899fb3e058d766e5fe6f28abdcad76ee434e9f2f9ec9f85b6a7dd2b867d00d4768
SSDEEP

1536:lPWtHHM7t/vZv0kH9gDDtWzYCnJPeoYrGQtc9/S1gc:lPWtHsh/l0Y9MDYrm7c9/+

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
2860	tmp7F5D.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
528	fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.exe
528	fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.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\peverify = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft.CSharp.exe\""	tmp7F5D.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	fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.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	tmp7F5D.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	528	fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.exe
Token: SeDebugPrivilege	2860	tmp7F5D.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 528 wrote to memory of 1476	528	fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.exe	30
PID 528 wrote to memory of 1476	528	fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.exe	30
PID 528 wrote to memory of 1476	528	fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.exe	30
PID 528 wrote to memory of 1476	528	fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.exe	30
PID 1476 wrote to memory of 2952	1476	vbc.exe	32
PID 1476 wrote to memory of 2952	1476	vbc.exe	32
PID 1476 wrote to memory of 2952	1476	vbc.exe	32
PID 1476 wrote to memory of 2952	1476	vbc.exe	32
PID 528 wrote to memory of 2860	528	fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.exe	33
PID 528 wrote to memory of 2860	528	fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.exe	33
PID 528 wrote to memory of 2860	528	fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.exe	33
PID 528 wrote to memory of 2860	528	fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.exe	33

C:\Users\Admin\AppData\Local\Temp\fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.exe
"C:\Users\Admin\AppData\Local\Temp\fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:528
- 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\zfozobij.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1476
- - 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\RES7FFA.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc7FF9.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2952
- C:\Users\Admin\AppData\Local\Temp\tmp7F5D.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp7F5D.tmp.exe" C:\Users\Admin\AppData\Local\Temp\fc4b2dbed4ab61061e08c88ce16b2a0a37127c99870192d62123800ee7feed3c.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2860

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\RES7FFA.tmp

Filesize
1KB

MD5
3b511ce4920630c89da2d4baff429b52

SHA1
d8907ae9816080bc853c6791262ef004bddbdd2d

SHA256
c727c8ac86b432e927de5f3f2c263b95668f185d86fdbdb269cc5bf5f1bde5b3

SHA512
ac43ec0e28f1c8316e95d6d2b8d745721ef7c29c17faaf5e2225e40756cd81cfbf3aa2c9543f4141b8d02c70fb420b6acf7bc5d3cbfec931b2e300920b3291dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7F5D.tmp.exe

Filesize
78KB

MD5
d879e31b0217fb6ba6bb6f34cdef7508

SHA1
51d2996fb37a3f760ad6a3a4a4f198b4f9f222f2

SHA256
35b9b2246ce8ffbc023cebec9b9a697dc29666769029894ba0dc75b70cef1644

SHA512
12d1698b709f395e2b038e74ae7b868ab13a2de604d56bd2d1df6fead2dbf4eb0063ae94e391e6746f9179c3928df92bf55b8cb7f69471239b8c4f2c6e0c798f

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc7FF9.tmp

Filesize
660B

MD5
c3befe39838f43fc23d69ba33c1f755d

SHA1
9d5145198c06edf9dfe4a6458ef53323c67d100e

SHA256
ff1ec6a8b061aad56fd644ed771b6d8eed68413ff79d4e88883dee47af894d26

SHA512
13fd2aceabfd5971eb1182e6145533e502c9ac28f747bfe8f9b9fb65e255d6d744551ee8db1f4bf43461251d21bf6e784d50635ab8c30f9081cd3d4e87be19e9

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

Filesize
62KB

MD5
8b25b4d931908b4c77ce6c3d5b9a2910

SHA1
88b65fd9733484c8f8147dad9d0896918c7e37c7

SHA256
79c261ab6b394ee23ab0fd0af48bcd96f914c6bb88b36b6815b6bbf787ecd56e

SHA512
6d954066cec5eca118601f2f848f5c9deebe3761ac285c6d45041df22e4bc4e9e2fd98c1aa4fbb6b9c735151bf8d5fffa5acddf7060a4cf3cb7e09271a4a926d

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

Filesize
15KB

MD5
5acdbf635ad7f95c5e3661df59f70350

SHA1
320ba97573420d0e8af8c13e81376137c2e8e4ef

SHA256
892ab7aac9b71bbd84b2678877ac75faf9ac151a59cc396d0d70a4209c64dbd1

SHA512
898a12465ad9c2518c9fb2e8041075af63252c435f69f85bb0c735a9f3a759245e0a0bbeb751a324e65affc03e7ea07b2eb46a2cc9c14d9fdbb79247480a7a9d

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

Filesize
266B

MD5
b6899c83e1a80ce79bdcb31a13d31a26

SHA1
62497f63836e3b5126316886b3cec3d5d5e15cfe

SHA256
0903bbba840598a41764a3d469981257de74ff03fe3bd67dcf848fe7d242411f

SHA512
a65b53808612e16d7842bf6907dbdebae618135b36b61612ac5de66214db9271850cad3fbdf73346915bad8b697c339c4271e337bc4c0318df00fde819fcb8ee

Download Submit
memory/528-0-0x0000000073EF1000-0x0000000073EF2000-memory.dmp

Filesize
4KB

Download
memory/528-1-0x0000000073EF0000-0x000000007449B000-memory.dmp

Filesize
5.7MB

Download
memory/528-2-0x0000000073EF0000-0x000000007449B000-memory.dmp

Filesize
5.7MB

Download
memory/528-24-0x0000000073EF0000-0x000000007449B000-memory.dmp

Filesize
5.7MB

Download
memory/1476-8-0x0000000073EF0000-0x000000007449B000-memory.dmp

Filesize
5.7MB

Download
memory/1476-18-0x0000000073EF0000-0x000000007449B000-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