metamorpherrat | cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273

General

Target

cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe
Size

78KB
MD5

e540f17e1c5e251de213b4792563d540
SHA1

65352545fa9c111451f20a1e06aa7f7987c2cfdd
SHA256

cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273
SHA512

7d395c7ef97692ac7cc9acaca4a4d14139d754452e9a940cf05dfe3c828f11c24a8df7fdf9107bbd3c73e2113a41a5c8c544339a0db911fe73accf934fa3be37
SSDEEP

1536:4PWV5jAXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQty6A9/o01Gt:4PWV5j4SyRxvhTzXPvCbW2UI9/M

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	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe

Executes dropped EXE 1 IoCs

pid	Process
4900	tmp6A14.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\""	tmp6A14.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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp6A14.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1080	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe
Token: SeDebugPrivilege	4900	tmp6A14.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 4224	1080	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe	82
PID 1080 wrote to memory of 4224	1080	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe	82
PID 1080 wrote to memory of 4224	1080	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe	82
PID 4224 wrote to memory of 1580	4224	vbc.exe	84
PID 4224 wrote to memory of 1580	4224	vbc.exe	84
PID 4224 wrote to memory of 1580	4224	vbc.exe	84
PID 1080 wrote to memory of 4900	1080	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe	85
PID 1080 wrote to memory of 4900	1080	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe	85
PID 1080 wrote to memory of 4900	1080	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe	85

C:\Users\Admin\AppData\Local\Temp\cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe
"C:\Users\Admin\AppData\Local\Temp\cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1080
- 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\uog0ezsw.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4224
- - 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\RES6AD0.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcA23A5313ED24AB0A559C9E3C73C4BF.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1580
- C:\Users\Admin\AppData\Local\Temp\tmp6A14.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp6A14.tmp.exe" C:\Users\Admin\AppData\Local\Temp\cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4900

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\RES6AD0.tmp

Filesize
1KB

MD5
037d21383f12839392723ce77a4a025d

SHA1
4eeeb3fcb17517c343d67c8c79226dcc647e0ba4

SHA256
c2fa20fe2aad547b7c2ae15623535f3b05cccf24ff40c13dd3a8457c577e4100

SHA512
0bec848b6156d2dc75049a9953a07fe0767b506f607e09324cd30518aa6fc533c37604724424a832a60cfab4c2dd2f393af4447f335c198572f41fd498ec14f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6A14.tmp.exe

Filesize
78KB

MD5
866620821bf783686c296ed3250b6210

SHA1
9788fcb44218b2e5aa9ca5f22d3f2fce08e3f9bc

SHA256
ab9107aa940520764cea52998911741e7758188f997033d2aafa1121714cf282

SHA512
f42e76f77f445a9b6c5ef9cbe362d987892fc8398d4ca72a52ff1ee4c99426853d03f6f00414170e5d2819dfb9465716d3a392e901f374de5a5d0004b68723ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\uog0ezsw.0.vb

Filesize
14KB

MD5
845c1c1f4b1a8efb5cf405dcb958b1dd

SHA1
be4c1425cd60fcd8c0efa3b245110b7c66c4bb40

SHA256
a433fe4ad30588f81afb5858d3ab6babd5b855176df358519cc4a35e77077927

SHA512
ced56f34c1c47cd8d31d47f1c51801fc397783e482bdb83abeeb78b43b62091269859a8107da75d9b3d32c8e9b2df68f32ce8641d9aa4f77d5be4de92f449a27

Download Submit
C:\Users\Admin\AppData\Local\Temp\uog0ezsw.cmdline

Filesize
266B

MD5
d622d48b05906b7c83e383dfbc5f0356

SHA1
4370e682a17fcc1bdb0b5256f206e02735dffd52

SHA256
7751f88fc4e27f226f7864959a659113db7614c9f03e0aba34b4cdfa5db9c311

SHA512
e27f3291d77bbb9c8ee7e40cd91cc4fb06f901dea213bd02c9fa28c1ad194a9981954711332c4aef787bdce176791e37b5362db5f68891dfe51a7c1258575899

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcA23A5313ED24AB0A559C9E3C73C4BF.TMP

Filesize
660B

MD5
6a045b5f4029ca0a0973f325e2bbf88d

SHA1
827547ff4d6b2280d06d909309a0006f6e4752ff

SHA256
2d133f003eaac9da81fcd992e529a44f8684a423c2f24c799749940d51a22047

SHA512
d66722ccf9bac1c4d0fa8e2f13bd382c3db7b808fa4b200bc80c426357f9c4377999718bfd4ef7b4bf00fb4750d04add8d4008d1b73074cb9300431a6720c663

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1080-1-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/1080-2-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/1080-0-0x00000000750A2000-0x00000000750A3000-memory.dmp

Filesize
4KB

Download
memory/1080-22-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/4224-8-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/4224-18-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/4900-23-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/4900-24-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/4900-25-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/4900-27-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/4900-28-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/4900-29-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads