metamorpherrat | 90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3

General

Target

90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3N.exe
Size

78KB
MD5

6f54873510773c474fa0f9af709ddb40
SHA1

404b71810429191229cba8ef1111bac1770cba5e
SHA256

90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3
SHA512

a4b61e9ade76719ca3f6284274daf4a3f952925a2897b6da9b1ad2476ef1abaed82e4b8da32deefac197a4fd830f0c6bc3e93b49081f96c8fd3877b3a2b0f9c2
SSDEEP

1536:tc58pXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQt96R9/41Sh:tc58ZSyRxvhTzXPvCbW2Ui9/j

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3N.exe

Deletes itself 1 IoCs

pid	Process
680	tmp75AD.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
680	tmp75AD.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp75AD.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	90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3N.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	tmp75AD.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4944	90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3N.exe
Token: SeDebugPrivilege	680	tmp75AD.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 976	4944	90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3N.exe	83
PID 4944 wrote to memory of 976	4944	90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3N.exe	83
PID 4944 wrote to memory of 976	4944	90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3N.exe	83
PID 976 wrote to memory of 1544	976	vbc.exe	85
PID 976 wrote to memory of 1544	976	vbc.exe	85
PID 976 wrote to memory of 1544	976	vbc.exe	85
PID 4944 wrote to memory of 680	4944	90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3N.exe	86
PID 4944 wrote to memory of 680	4944	90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3N.exe	86
PID 4944 wrote to memory of 680	4944	90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3N.exe	86

C:\Users\Admin\AppData\Local\Temp\90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3N.exe
"C:\Users\Admin\AppData\Local\Temp\90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4944
- 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\cczkq3jv.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:976
- - 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\RES76E5.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcDACDCD81E05448209547EDE0C5ECE6C0.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1544
- C:\Users\Admin\AppData\Local\Temp\tmp75AD.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp75AD.tmp.exe" C:\Users\Admin\AppData\Local\Temp\90b1e08e656267ded360f49684fe1f9f247ee4023c63d1d6916995b2f1c626c3N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:680

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\RES76E5.tmp

Filesize
1KB

MD5
b6c5c84019005087594579786d2101d8

SHA1
f8acde5c32be0dc70c6ba6b6c231d0ae750ce6a6

SHA256
51420896a1287a5ee435b0f05eb18e65254fef2eca84f3e8f2760f906b165563

SHA512
1de3ad3c96427cfc96272b410a6ab9920d8e6d3aaa153662dbdeadfd5d6ccb2297dedfdc82a042de4f6a8ce93949ff044326ea0db1ce9fc6eef792c7f72ad9c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\cczkq3jv.0.vb

Filesize
14KB

MD5
92427b2a383a1d6c0583bc6b40ef906a

SHA1
e43c0ab0df5453e6538ef36f8eb5b07fd4a88d80

SHA256
27d66c797d1c94bc98823aa0bff973485635ced89482295ceb2e5e09bded21bc

SHA512
c64e7908c31d092c153bd1daa37ebdfe11d6a31a804480df23fe6f248dec5eb062427eb791858ad0617d437cbd6820fa08fa4b720979c329e2e2b0e7d0c17381

Download Submit
C:\Users\Admin\AppData\Local\Temp\cczkq3jv.cmdline

Filesize
266B

MD5
2d155c66f868ecce51bda1077e6a811c

SHA1
5c6120759bf2be7baf02cb598d0a545ba939b443

SHA256
076c5f6e89dd60921f1f486f44e1d28c7a02355c61bef3135a9435916c01492a

SHA512
a0d4003f8caf07b9b6be779f78edc68bae39c331ed2d6421a0bb4fbc2769cdd17926da7649b6321d735a1c6475619900ac674af589db2bc2c740a6d7df7c13a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp75AD.tmp.exe

Filesize
78KB

MD5
9b24a68de354eb0aa8bac0c1f5517950

SHA1
69a2e9935cd1e84d661363fe813a1cbcd5df4e6a

SHA256
e3e4d927353a5cb6f941339ca87e1e2ed3850de3310f605fb1ed532ffb0821bf

SHA512
47dad6a5da762c4d39cd86437acef2044198460e5b497a1fca94ebe74a0e728eb0753c4a5929128886732f24b66c484d1cb00dd70957ad67e2b5f7e6d9fc3168

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcDACDCD81E05448209547EDE0C5ECE6C0.TMP

Filesize
660B

MD5
3e9ebb367f9d9c890116d3f09ddd48be

SHA1
8e258461d60b018ecd5e1f1cd7004c0ba9905295

SHA256
1ddeb103afa7964848b1d32921dcb77f4bbc19af8354bc3b7f26772c4526cbcf

SHA512
88ea20587894addffff732419004e5449cde1abc925f7a603d0ced6189e7d1a1cd38917b303ea82bfaa4b7d7b41acd2fee7d8ff6137a346f2a238482ead591a5

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/680-24-0x0000000075080000-0x0000000075631000-memory.dmp

Filesize
5.7MB

Download
memory/680-28-0x0000000075080000-0x0000000075631000-memory.dmp

Filesize
5.7MB

Download
memory/680-27-0x0000000075080000-0x0000000075631000-memory.dmp

Filesize
5.7MB

Download
memory/680-26-0x0000000075080000-0x0000000075631000-memory.dmp

Filesize
5.7MB

Download
memory/680-22-0x0000000075080000-0x0000000075631000-memory.dmp

Filesize
5.7MB

Download
memory/976-8-0x0000000075080000-0x0000000075631000-memory.dmp

Filesize
5.7MB

Download
memory/976-18-0x0000000075080000-0x0000000075631000-memory.dmp

Filesize
5.7MB

Download
memory/4944-23-0x0000000075080000-0x0000000075631000-memory.dmp

Filesize
5.7MB

Download
memory/4944-0-0x0000000075082000-0x0000000075083000-memory.dmp

Filesize
4KB

Download
memory/4944-2-0x0000000075080000-0x0000000075631000-memory.dmp

Filesize
5.7MB

Download
memory/4944-1-0x0000000075080000-0x0000000075631000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads