metamorpherrat | b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba

General

Target

b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba.exe
Size

78KB
MD5

d0739ef03217e60248fe60c9c0d0cd89
SHA1

6b843af52c1016461e9c897c0f03b79fa5849aae
SHA256

b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba
SHA512

89a84ab026fd465b299bd59813dd11634bb646d5a256a0ad6b0d5955244e3c4441c0b557ae0e64b7006a62ad9b84ff624e88bd256f64dc7774352377e6ca9c96
SSDEEP

1536:KCHHM7t/vZv0kH9gDDtWzYCnJPeoYrGQtqx9/21Gsi:KCHsh/l0Y9MDYrm709/8i

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba.exe

Executes dropped EXE 1 IoCs

pid	Process
2972	tmp6F44.tmp.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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peverify = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft.CSharp.exe\""	tmp6F44.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	b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba.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	tmp6F44.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4572	b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba.exe
Token: SeDebugPrivilege	2972	tmp6F44.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 1656	4572	b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba.exe	85
PID 4572 wrote to memory of 1656	4572	b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba.exe	85
PID 4572 wrote to memory of 1656	4572	b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba.exe	85
PID 1656 wrote to memory of 1620	1656	vbc.exe	87
PID 1656 wrote to memory of 1620	1656	vbc.exe	87
PID 1656 wrote to memory of 1620	1656	vbc.exe	87
PID 4572 wrote to memory of 2972	4572	b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba.exe	88
PID 4572 wrote to memory of 2972	4572	b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba.exe	88
PID 4572 wrote to memory of 2972	4572	b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba.exe	88

C:\Users\Admin\AppData\Local\Temp\b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba.exe
"C:\Users\Admin\AppData\Local\Temp\b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4572
- 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\ryycsrmp.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1656
- - 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\RES7186.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcD2422CFE9D94B1C93E43C7E16A7CB77.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1620
- C:\Users\Admin\AppData\Local\Temp\tmp6F44.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp6F44.tmp.exe" C:\Users\Admin\AppData\Local\Temp\b3093b934957f4e125ca90dd4d4a39cf267a331d1dc231d77c9e914bc3f4b7ba.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2972

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

Query Registry

1

T1012

System Information Discovery

2

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\RES7186.tmp

Filesize
1KB

MD5
444a148115aaa3fb5e8765693e6c4d1b

SHA1
fea801adf52f5bcdd4a14fef62687a4fe62f0bb2

SHA256
1278d41fad9e7a7dd626a3dcbe0a401b8ba58c8deb5bf3e30b9ea015ebe18c05

SHA512
10e8946a51341ffa9dd1c243ddc78b9c69b03af392569f2c9fdf4012d9736e4330ac14661b743e2ac2fcf758d8a0314c90ca3e2f0d470d72f6f2737a9b8a9831

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

Filesize
15KB

MD5
39326a8f430e9649355397437f4b8d2f

SHA1
4b7915332b1d28f43ac3f5dc985d88a3ac8e8799

SHA256
51e298b66ab015f60f738e95a2fb91fe188609e3649de6366a488a51100b0436

SHA512
de3c9223e8c50925e102ff5e6ba334e035c5b2654dfbe6c83107d0f072c4b176b0e35889e0657f45ea2d4771a698f7de67a9d97ea73eaaddd44f44ab2d087941

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

Filesize
266B

MD5
060978ce5b34fd4a99cad0596799e7b8

SHA1
a319a69b9dc773995fa9b161625587b77ace331e

SHA256
854850cb5a1d383e54d2360ee7c5ca2921a601571d834a4c9cf054db4e29ef3a

SHA512
4c4b026c42d284455d08316f60d7dfe8e491339d07473377997bef0dee40af6a103e18f08fee020dc24bf24ea35b3f8109a20e2034d456b3395d38a477361ec2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6F44.tmp.exe

Filesize
78KB

MD5
05a75c8420a0d21647102d26690f5c56

SHA1
437beb8ec01f5f6ee03bedc4f29cb184ff0a3c88

SHA256
b098687c73021e331bdc08b117d08be68606bf6a2cb1ee4695440191399c5f08

SHA512
1bd152a4b846f468d4a283112540b2ffda5b37a6bd1d4289912401a91ae82b38284d5e9c60cc15ca1d52d63b6017701340a5720a3d1bbf91e681bcbe1c4b170f

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcD2422CFE9D94B1C93E43C7E16A7CB77.TMP

Filesize
660B

MD5
748890788a0af6581c2c9e5ee582f5e1

SHA1
539ce39608d335633c2ee7cde52282443ca4dca3

SHA256
dc337136e752bd3e6e6c001099294e2e418eee5f59520eda96f158d712bc9697

SHA512
22e70dfe180e4496a64c9c8f35d6e4f9d13df0e2c773fee058a7465a15e14e755118a644020fbe4ad8f9cc04429159d7f6787f62b1501eb5789b670c2df328a5

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

Filesize
62KB

MD5
8b25b4d931908b4c77ce6c3d5b9a2910

SHA1
88b65fd9733484c8f8147dad9d0896918c7e37c7

SHA256
79c261ab6b394ee23ab0fd0af48bcd96f914c6bb88b36b6815b6bbf787ecd56e

SHA512
6d954066cec5eca118601f2f848f5c9deebe3761ac285c6d45041df22e4bc4e9e2fd98c1aa4fbb6b9c735151bf8d5fffa5acddf7060a4cf3cb7e09271a4a926d

Download Submit
memory/1656-8-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/1656-18-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2972-23-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2972-25-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2972-24-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2972-27-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2972-28-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2972-29-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4572-0-0x0000000074972000-0x0000000074973000-memory.dmp

Filesize
4KB

Download
memory/4572-2-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4572-1-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4572-22-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads