metamorpherrat | a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1

General

Target

a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1.exe
Size

78KB
MD5

28af51a35d70018df036bd9e2671d459
SHA1

db708249b254953514155377c61b322cb21886e8
SHA256

a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1
SHA512

82a3151d1d25825b89136aa72479f2d399ff583f19d97a278c8f9a26599408b3e961e39b1d856d7b0b6facb8a35607f4245920097b92533cb327fb91deb61f76
SSDEEP

1536:ZRWtHY6M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQteY9/31Ek:ZRWtHYn3xSyRxvY3md+dWWZyeY9/r

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1.exe

Executes dropped EXE 1 IoCs

pid	Process
620	tmp8BF4.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp8BF4.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	tmp8BF4.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1660	a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1.exe
Token: SeDebugPrivilege	620	tmp8BF4.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 4648	1660	a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1.exe	82
PID 1660 wrote to memory of 4648	1660	a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1.exe	82
PID 1660 wrote to memory of 4648	1660	a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1.exe	82
PID 4648 wrote to memory of 5020	4648	vbc.exe	84
PID 4648 wrote to memory of 5020	4648	vbc.exe	84
PID 4648 wrote to memory of 5020	4648	vbc.exe	84
PID 1660 wrote to memory of 620	1660	a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1.exe	85
PID 1660 wrote to memory of 620	1660	a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1.exe	85
PID 1660 wrote to memory of 620	1660	a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1.exe	85

C:\Users\Admin\AppData\Local\Temp\a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1.exe
"C:\Users\Admin\AppData\Local\Temp\a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660
- 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\tinnmcpu.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4648
- - 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\RES8CA0.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc5F8E68F4BDC748FFB0C766E0A52687.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5020
- C:\Users\Admin\AppData\Local\Temp\tmp8BF4.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp8BF4.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a5fcbd78a8ba8bc10583bb3f993ee3ec743e786773d2800a6f8cd6e871de6bb1.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:620

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES8CA0.tmp

Filesize
1KB

MD5
87fc04d5b7e628352d4dbefe3dc080ef

SHA1
1d000e448c36c3d01fcb63f2f38db80d88f65b9e

SHA256
728a27d7d73e4509355d5d1bd44584c231170eb08a71d803d29f9f0ca1ea37d6

SHA512
bbfb57534556e3bf44b89c8a86283558c401b5fb6b226ebdca05c3fe113f998d756764a557861ad872429398ac9a80e610191fc2c80b8108dd9f95a92aed6daf

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

Filesize
15KB

MD5
e2f5e37c4468a60af2ff53473086f716

SHA1
0e64636492954cdbacb74cda81bb35cba20af3c8

SHA256
5cf35ecfdd9f4075a286b4b317b0b3cca194a52bc3a79996aebcdcafaf9d5058

SHA512
fb85a6fdc606f8e75b3599c439ae1999d25c21531a0d33651292cf95486a70985b57fd63d75bea0acf60778f749f4abcca38f5c4996ea77008c05ee0195528f0

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

Filesize
266B

MD5
ef850c48d722ccfa5d4f535215da8fb7

SHA1
94917e6688c0c5f183fb175808ecbfb85e43b293

SHA256
1d2a26cdfc025dd365d287b1faf2186aa4d5fa924a572eb2451351a072b9eed1

SHA512
ce34a6e199b47b75422aa312832c73a38ed1f56f727b5e767a5b68b12b36860375a5bb616d6f56ac3e81ff578843caaca421bff83c9c7655cef5303c12277793

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8BF4.tmp.exe

Filesize
78KB

MD5
e6bad9c3a20ad4fea31d63b700cd3c2e

SHA1
68e823f698c153ee5db42fb7c782f32dc2680678

SHA256
529d53c94c8b1f39c36b58095f58146a25c7a2490d8246ebfa385cc7fb201da2

SHA512
7413893145fcc729d654175d4860beb888b9a76deba55d4e669d02b01c258c471cd28a0340804fd2eb911df2ac5767d53cc65b934a2f87c8f0bebc324e3f4176

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc5F8E68F4BDC748FFB0C766E0A52687.TMP

Filesize
660B

MD5
df606cf42110450ca336f0bc33a0be69

SHA1
fb0c272b10c7b9303a9c0e01f5624c422cc1dbe3

SHA256
544a34cb45ea64a0cc4f6f8ec1bb10f1b90565bbc9acfff2648845ea24635a55

SHA512
f7dfd7b6847206da6a6946720deebe9d55a2ed354cf53470d10950f59cf479b3aa7b77c17093c4ec2905c9d1e1a32f6b0f960f577d25c54dcf50cb0d1c616ec0

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/620-24-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/620-28-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/620-29-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/620-27-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/620-30-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/620-23-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/620-26-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/1660-22-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/1660-0-0x0000000074C42000-0x0000000074C43000-memory.dmp

Filesize
4KB

Download
memory/1660-2-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/1660-1-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/4648-18-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/4648-8-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads