metamorpherrat | 61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659

General

Target

61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659.exe
Size

78KB
MD5

e4897a8be1034d542242980607e943bf
SHA1

e36b731bcce9b5a998c5f6977171b53941eb4441
SHA256

61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659
SHA512

5d0fed165da8812f4c6320591826bcffd5120c83bec0e4e3e9c8905b5c3f171e20b1ba15af83493e5774e65cb2fff6f555da89f6ee9728683cd90d0186350933
SSDEEP

1536:lWV58BXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC6G9/kD1u5:lWV58BSyRxvhTzXPvCbW2UO9/N

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	61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659.exe

Executes dropped EXE 1 IoCs

pid	Process
820	tmpBA67.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\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpBA67.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	61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659.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	tmpBA67.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	116	61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659.exe
Token: SeDebugPrivilege	820	tmpBA67.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 4588	116	61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659.exe	82
PID 116 wrote to memory of 4588	116	61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659.exe	82
PID 116 wrote to memory of 4588	116	61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659.exe	82
PID 4588 wrote to memory of 3908	4588	vbc.exe	84
PID 4588 wrote to memory of 3908	4588	vbc.exe	84
PID 4588 wrote to memory of 3908	4588	vbc.exe	84
PID 116 wrote to memory of 820	116	61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659.exe	85
PID 116 wrote to memory of 820	116	61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659.exe	85
PID 116 wrote to memory of 820	116	61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659.exe	85

C:\Users\Admin\AppData\Local\Temp\61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659.exe
"C:\Users\Admin\AppData\Local\Temp\61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:116
- 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\9ygus6to.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4588
- - 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\RESBB61.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcF356796919F8463989E984309CECBD4B.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3908
- C:\Users\Admin\AppData\Local\Temp\tmpBA67.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpBA67.tmp.exe" C:\Users\Admin\AppData\Local\Temp\61c02081dac3602ce3b073298aff8c74724d8745d04b068eda6e136598f1d659.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:820

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\9ygus6to.0.vb

Filesize
14KB

MD5
e0c7a3b94376287d2b82f1cd27fbfd3b

SHA1
c774388d4dedab5d1afc524be58d1a2b34ee23c9

SHA256
eab52ff782b5d61745d952e58c836ac579e600f3f14bb74ba3f225de9b7c967b

SHA512
1f828de93ae751b3d221ce6b9e24b9ffccce4c895443ff0775fa6621eb2fb05657e40c9593a649d4f18ba0a110329fd8d1d713d55e6ef7a90f6d3d8e6f4052cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\9ygus6to.cmdline

Filesize
266B

MD5
35d8a5008b2b8c2b9c7d91d8c5f271dc

SHA1
5ae659bb4d6072e99631dc89c012edd4e08fa7e4

SHA256
4945070419d6be1a3d6127b064df9f564789e85f1ebeddc901cd1c07c9a49cd6

SHA512
9b6b96217becd17e64bfd44d7208e1a04fb8962f7c6a13469d46d5cddc36cd73ed9d897d35405abc488c6236c7b115a561c5153bb92bc4a6f0b8ee748a7a3a43

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESBB61.tmp

Filesize
1KB

MD5
99e1c28d9feafc06930e10769122038a

SHA1
e76c57c32ab730eda5e5efcbef4f775819e77ccf

SHA256
c2a3d42491ac2a5401be2e1e325bb34b94b32f46c48ee6a0fae25f81ab8a64f5

SHA512
08ffee084c60c47b9f15a3eb5b8748c9a3b93a1d122a7b64c739d13c5bedf37f0b04f85ffcbabf4b1d61b0b739d7bca234773ab73a3aa0a328960e18fa957e16

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBA67.tmp.exe

Filesize
78KB

MD5
b958828062908cce07eda08958c0c7c0

SHA1
ffe9197f8435075b7740927f9be6bde8974352d9

SHA256
1a1f10f0a2e6842a4eae82e7713e1a88890743e057bf693d314947bd615a86ec

SHA512
6414477fe32a5f2d955be9290fa3f773baec5a69a622c092b5c2417c6e01af35d79e8616390911d376d840e0755353e7a9964eefa9d695dd3b0271826928b880

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcF356796919F8463989E984309CECBD4B.TMP

Filesize
660B

MD5
c2cc8996b1b84151ee90c1148045376c

SHA1
6863f314d6765dd116b5def08a0aaa2bbe4475f9

SHA256
bc401207b19a4e3c4a3312c0a0b805f632469d8b89a08148e0d054f3b0919287

SHA512
1f12c9eab3cc3d83adc64b20c385d83bc095a9429bfd95777bb8d358a7a8a35e7c9a1d3e56db9c097782527dd448dccdcedb9a0bf93b6f5ad901a5a8190f1c4d

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/116-1-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/116-2-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/116-0-0x0000000075522000-0x0000000075523000-memory.dmp

Filesize
4KB

Download
memory/116-22-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/820-23-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/820-24-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/820-26-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/820-27-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/820-28-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/4588-18-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/4588-8-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads