metamorpherrat | 33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63d

General

Target

33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63dN.exe
Size

78KB
MD5

b0ec359e94b58d69c223e0ddf544c000
SHA1

be2360bf717a87109b52995bd815b5b1d22f5d17
SHA256

33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63d
SHA512

ac7a5b1c0a44a830affea41673122a599765b9cdb3ae2b59bd1aaecbbcc6eb201b928831b4bf023bf5c8b59eb077c5b37caf6a2b6b864c720602ec04b09b879f
SSDEEP

1536:5CHY6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtW9/61b8:5CHYnhASyRxvhTzXPvCbW2UW9/3

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

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63dN.exe

Deletes itself 1 IoCs

pid	Process
1424	tmp8628.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
1424	tmp8628.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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp8628.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	tmp8628.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63dN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5000	33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63dN.exe
Token: SeDebugPrivilege	1424	tmp8628.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 4156	5000	33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63dN.exe	82
PID 5000 wrote to memory of 4156	5000	33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63dN.exe	82
PID 5000 wrote to memory of 4156	5000	33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63dN.exe	82
PID 4156 wrote to memory of 860	4156	vbc.exe	84
PID 4156 wrote to memory of 860	4156	vbc.exe	84
PID 4156 wrote to memory of 860	4156	vbc.exe	84
PID 5000 wrote to memory of 1424	5000	33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63dN.exe	85
PID 5000 wrote to memory of 1424	5000	33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63dN.exe	85
PID 5000 wrote to memory of 1424	5000	33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63dN.exe	85

C:\Users\Admin\AppData\Local\Temp\33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63dN.exe
"C:\Users\Admin\AppData\Local\Temp\33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63dN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5000
- 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\n4mleo2w.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4156
- - 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\RES8760.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc11993C47AA504BC795D5A3BB28F13DC.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:860
- C:\Users\Admin\AppData\Local\Temp\tmp8628.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp8628.tmp.exe" C:\Users\Admin\AppData\Local\Temp\33f7f66665c08153601d8fcd5f84defba46cf09af23cfcc72361f2a17d49d63dN.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1424

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\RES8760.tmp

Filesize
1KB

MD5
60e7395e4c947a714166d5815dede34b

SHA1
e50083fba6a9cfcba1f6fd43ac50245236af8438

SHA256
b6e05e284920bd95e4c87a2813ca018f1891f75960fb1c7cd2b02ada13d86388

SHA512
aca90b75357986e7e324a2d3ade06ece67c3cc3289b89b65975b5eff607da75178aa18f9a694fd44876fc4601ebca7ea33e0b9d21ca1f8fccd65fa607c13f71e

Download Submit
C:\Users\Admin\AppData\Local\Temp\n4mleo2w.0.vb

Filesize
15KB

MD5
0a3e76ac989c23d6ef02ffdf10fc1aa1

SHA1
3ed0f01a21894fb1e09fbba654c9b6e0cd312992

SHA256
d171865b9908904009f13a7fb17e731333a47d302521028928c0351c963841ae

SHA512
4b684847254b42aa4fb80fd2c779cf8260b065f11dc30fb2ef86aa38f1cf829ecca3558a39cd551da125035e2cc0fe19be95e689533b17e471353b4a162c4ab1

Download Submit
C:\Users\Admin\AppData\Local\Temp\n4mleo2w.cmdline

Filesize
266B

MD5
c25a90b59ab1f0770f85b42efe7e1d59

SHA1
41659ae7e408a85f49e967ce6b56ec5c2194e1f4

SHA256
87e21ae27a3fdd04b1199713bb53f8c0802bd14846bf622a5073ced1e0543427

SHA512
3e7f89a7f90f127090a434c35472e603b8123a63127eea296637f8af10842f9d2d16295e92e3bfc2135a9ed2b31d960b948ab8ad137e239f7ffe43498a893dca

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8628.tmp.exe

Filesize
78KB

MD5
82c18c8bfd9cbae9579be768d675e325

SHA1
1287ffc6c7e5095d8097117854b37ae6fefdbeff

SHA256
7e685afada3133f65abeed3e41017de97bf60c6a2b3fc4cb49ada4e7868ff834

SHA512
1a2afa9b298060080c70349473a2acac72152919e79abd52a79e6c5a7c777e2e61f776b142c66ea0f0becd45583478b335b6d724d8b365eaef588b00e4d381e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc11993C47AA504BC795D5A3BB28F13DC.TMP

Filesize
660B

MD5
7ac6231fa93fe87606fbcdaa8cc884c4

SHA1
cc62cd2be8c39ff09f5feb30c7bb89f2c5d75d22

SHA256
ab0346f4c173cae1cb44e6e31edc7db769cf46d1d2a89f96d0bde7417e1773b9

SHA512
3b8ed6dbd4e4d3c7a471f12ff600abd12efa1de8b7bb1b93d31c63df8c69d973dc0ed7a3b7ff9b4b4773c1e7245a92987ab67771268a3e78b00cd0507e4a3bb1

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1424-27-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/1424-26-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/1424-25-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/1424-23-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/4156-8-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/4156-18-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/5000-22-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/5000-0-0x0000000074F22000-0x0000000074F23000-memory.dmp

Filesize
4KB

Download
memory/5000-2-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/5000-1-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads