metamorpherrat | 8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d

General

Target

8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exe
Size

78KB
MD5

5c5a19cf726d11843e5ee1e5c80b3dc2
SHA1

6f08a081dadc5178be6d4f235b0cbf799131bb9a
SHA256

8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d
SHA512

6dcbff743ef74ff8015fc40dfef6b5556cb0d41c1387dc7b419d84e1d70c8665acb8b94fbec14640c5ee78a5c8da7c6b8309f437c0d1b10da5ed6baab64a725d
SSDEEP

1536:G58vXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtN6F9/131/U:G58PSyRxvY3md+dWWZye9/U

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

Processes:

8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exe

Executes dropped EXE 1 IoCs

Processes:

tmpAC6C.tmp.exe

pid process

4976 tmpAC6C.tmp.exe
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

pid	process
4976	tmpAC6C.tmp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

tmpAC6C.tmp.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmpAC6C.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

Processes:

tmpAC6C.tmp.exe8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exevbc.execvtres.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpAC6C.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.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

Processes:

8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exetmpAC6C.tmp.exe

description	pid	process
Token: SeDebugPrivilege	4988	8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exe
Token: SeDebugPrivilege	4976	tmpAC6C.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exevbc.exe

description	pid	process	target process
PID 4988 wrote to memory of 4176	4988	8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exe	vbc.exe
PID 4988 wrote to memory of 4176	4988	8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exe	vbc.exe
PID 4988 wrote to memory of 4176	4988	8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exe	vbc.exe
PID 4176 wrote to memory of 2316	4176	vbc.exe	cvtres.exe
PID 4176 wrote to memory of 2316	4176	vbc.exe	cvtres.exe
PID 4176 wrote to memory of 2316	4176	vbc.exe	cvtres.exe
PID 4988 wrote to memory of 4976	4988	8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exe	tmpAC6C.tmp.exe
PID 4988 wrote to memory of 4976	4988	8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exe	tmpAC6C.tmp.exe
PID 4988 wrote to memory of 4976	4988	8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exe	tmpAC6C.tmp.exe

C:\Users\Admin\AppData\Local\Temp\8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exe
"C:\Users\Admin\AppData\Local\Temp\8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4988
- 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\yiasci_m.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4176
- - 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\RESAD76.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcC1C1610989BF4D959A2D27ECC338DD59.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2316
- C:\Users\Admin\AppData\Local\Temp\tmpAC6C.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpAC6C.tmp.exe" C:\Users\Admin\AppData\Local\Temp\8a4d6138ab5751bdf110ca246ddbb916a3e0509d3d4a7ca38f68def1dc40601d.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4976

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\RESAD76.tmp

Filesize
1KB

MD5
612ba02722b94b65c575ec08154d712d

SHA1
02eba725489c26f99c5460bd6567f5e251db5057

SHA256
ce4ae9cc6211cc53c91efbdd3e074aafb44ccd5da2e346a0531bcb4a76753ca7

SHA512
635650bcfed1095c701d63cd5d12f012fcc4397ba55de93fc68d670f915b8fe00ac3f67f0cc6c76d53df5fb5056be1aae661f368fda9ee91fbc653a6702e52a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAC6C.tmp.exe

Filesize
78KB

MD5
5ab426fde4a8b7f1ce73be521018988f

SHA1
bba0e25fd638f63c400cda90b793ab9407d40411

SHA256
ba2a958c718c64a6b9d237194e2172fbd723145e00e9a38def2a928b194226f7

SHA512
ccfb934eb6008ef0479032911ff12d14ffae61c194043c43dcfa2656ce6fd1f0ca164fd7f426ab4f5dd0c14e72aa660e1a830d567c4d8dcf1940c80f3dba1b6c

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcC1C1610989BF4D959A2D27ECC338DD59.TMP

Filesize
660B

MD5
dc757ca3bc357e0fe0704b12282f4fd2

SHA1
8860eb54e9cc4c70a9a6f74667823d52f7a4641e

SHA256
c48aa42071878e50ff68fa58aabfac0b06033886525569f427c13ace11edeb7f

SHA512
96bb8bd653ac0cae7ebbdc63ac7d44be7e42041ee8e90a8b641b2c460dc74c89df7ed8525e84bdc734f478f2d298b49e722cc091b041c44dd9cc5438adde288e

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

Filesize
14KB

MD5
a39b959bf8a0162544c011213112b5d7

SHA1
62337720138fc7695ccf1c299b4c2dc6c634499f

SHA256
4c4cc5b8a5f48a0b5d6d4d481f9c152250766e48ecacee36c349dab8c0e9916e

SHA512
4436087b4294f47b5c894e95ac08051832a59d1757a19eeaa38c0a5a99c17566c5d821fddb46fa8dd47c1113dc563e91127db05a7569a436d9e6bc8252af5a2a

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

Filesize
266B

MD5
8ace35f4e5472d6a258ab2fb31ec8dcc

SHA1
4fb84eb323b54647903535adc5a69c6a01658b05

SHA256
2434fcec1c7e96587ee8b9ecfa73410d06700790884a422d1edfa20663b1ada5

SHA512
b1416a613dfda45f5be7286e34aa1727cc0be268b942cc653057992a6ab4f81f84f2ac8b5c9498e652f868472e98b3491f761e1b92638db4aaf64642d5b9c613

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/4176-18-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/4176-9-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/4976-24-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/4976-23-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/4976-26-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/4976-27-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/4976-28-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/4976-29-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/4976-30-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/4988-2-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/4988-1-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/4988-22-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/4988-0-0x0000000075382000-0x0000000075383000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads