metamorpherrat | e949c55f2c062c0201f679cad4be24609baeff83d97189faad9862783d5644f0

Analysis

max time kernel
117s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2024, 11:56

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General

Target
d57ef20a0dfd870b65c3b45134d4ad50N.exe
Size 78KB
Sample240909-n4b8mayfja
SHA256 e949c55f2c062c0201f679cad4be24609baeff83d97189faad9862783d5644f0
MD5 d57ef20a0dfd870b65c3b45134d4ad50
SHA1 a2b63ddffbad739eebeee942d632064fe23aeaa4
SHA512 a5eaf4a0d8671782bcdfb65a88292802346d3bd5139fb239eef8901d4066b44103ed18578a6bfaedcea3385748540f7f52b86d70f2504a81ad232cbf85039a70
SSDEEP 1536:EPy5jSVdy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtN6P9/Q1IX:EPy5jSAn7N041Qqhgo9/H
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	d57ef20a0dfd870b65c3b45134d4ad50N.exe

Deletes itself 1 IoCs

pid	Process
2036	tmp6BF8.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2036	tmp6BF8.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System.XML = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\AppLaunch.exe\""	tmp6BF8.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	d57ef20a0dfd870b65c3b45134d4ad50N.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	tmp6BF8.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4600	d57ef20a0dfd870b65c3b45134d4ad50N.exe
Token: SeDebugPrivilege	2036	tmp6BF8.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 1240	4600	d57ef20a0dfd870b65c3b45134d4ad50N.exe	83
PID 4600 wrote to memory of 1240	4600	d57ef20a0dfd870b65c3b45134d4ad50N.exe	83
PID 4600 wrote to memory of 1240	4600	d57ef20a0dfd870b65c3b45134d4ad50N.exe	83
PID 1240 wrote to memory of 2504	1240	vbc.exe	87
PID 1240 wrote to memory of 2504	1240	vbc.exe	87
PID 1240 wrote to memory of 2504	1240	vbc.exe	87
PID 4600 wrote to memory of 2036	4600	d57ef20a0dfd870b65c3b45134d4ad50N.exe	89
PID 4600 wrote to memory of 2036	4600	d57ef20a0dfd870b65c3b45134d4ad50N.exe	89
PID 4600 wrote to memory of 2036	4600	d57ef20a0dfd870b65c3b45134d4ad50N.exe	89

C:\Users\Admin\AppData\Local\Temp\d57ef20a0dfd870b65c3b45134d4ad50N.exe
"C:\Users\Admin\AppData\Local\Temp\d57ef20a0dfd870b65c3b45134d4ad50N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4600
- 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\_eqzxzdc.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1240
- - 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\RES6D6F.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc17DACA19B771403F8C57374DB97A5F.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2504
- C:\Users\Admin\AppData\Local\Temp\tmp6BF8.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp6BF8.tmp.exe" C:\Users\Admin\AppData\Local\Temp\d57ef20a0dfd870b65c3b45134d4ad50N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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RES6D6F.tmp

Path C:\Users\Admin\AppData\Local\Temp\RES6D6F.tmp
Size 1KB
SHA256 666198fc9e4f538b7c179069a0381a7ec3c1d9af7b0a6de5ce7ba3e68f7ccfb0
MD5 2eed97a493e188a695884116923df0b5
SHA1 581825baedbaf7dab185227f916f24b5776567db
SHA512 328e100c1b2a62967da210d08b36eb42612e9dc272a108b96a32a0335ffcfae7f8ecffa7ae259d5a61b338d381e482fbaa9d3a8cad680dd773a3bc12fce20fe7
MD5 SHA1 SHA512

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_eqzxzdc.0.vb

Path C:\Users\Admin\AppData\Local\Temp\_eqzxzdc.0.vb
Size 14KB
SHA256 5b9aae4bd4210aa9878e059260415f9421aefc77d3322c99c2aaad6099a91858
MD5 2294b92613eb8b2a8874972d611af8c7
SHA1 bddd3ba5d458e959cd0b09c02859d1110147f1c9
SHA512 1dacd9f6e4af6b525a09eeb830eef5adeba45ef94bc311589f26737fe373c2c3f2d4f49fb073a4fee74f25b172f046405947e1198a11643b4e0e34d451441345
SSDEEP 384:r1NGbX+NPEPNqXNWVlnIN2WNJcHb+E6NLzN7QZSN7eP:Ljs1qdalwlJcHWLhq+m
MD5 SHA1 SHA512 SSDEEP

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_eqzxzdc.cmdline

Path C:\Users\Admin\AppData\Local\Temp\_eqzxzdc.cmdline
Size 266B
SHA256 fa659fb61377f1e1bc45c028746e34294b5cd7ab8538b94502b53e49fd71c019
MD5 12ab0fb6c2981b2d8426da7430c7af64
SHA1 70136dcbe2a34d9125b0f20af9e49ce20120f528
SHA512 aaca56a86a224dfb81d5745ae503ec55e82758f9bbe404660f739037e9f401019ff42eef2bd6c51a601f9edeff7bb23214e000aa2cd6229b744fc48616d8508f
MD5 SHA1 SHA512

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tmp6BF8.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\tmp6BF8.tmp.exe
Size 78KB
SHA256 8d59d38f623580a42d34fa3f7c9bba8d535fcaaf0f2efc637352a8ba536f585b
MD5 c4d207cbfed210d4f0e5f4e326b54221
SHA1 e028ab955204e88206a133fb4f3b2d59c5ad3e44
SHA512 619ce3bd65be55b2a75018e0f197661fe0e8f71cf6c53399849ba8d140aef18e3efde93e2580bc67d8785513832c8bcea3adf6900bc6065b98cd4d255b046ea2
SSDEEP 1536:stHFo6638dy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtE9/M1rwa:stHFo53Ln7N041QqhgE9/mr
MD5 SHA1 SHA512 SSDEEP

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vbc17DACA19B771403F8C57374DB97A5F.TMP

Path C:\Users\Admin\AppData\Local\Temp\vbc17DACA19B771403F8C57374DB97A5F.TMP
Size 660B
SHA256 f60d7ec4a9ec01fc18f1a976c590e7b6b4b4fd2a7883af9bc82454ca82ba8514
MD5 21b031582d540cda413a5b7e07f9334b
SHA1 84d7caea9deb941ac02cd39107a51f8473282477
SHA512 390730e218dca8947dd62c1ca19c8196e6b5dbd258bd0aea1f2f8e452cb9e15d3ac9c3b700ae369b1b9b17328d34745c210b7cc385f6697bc97f877715bfee69
MD5 SHA1 SHA512

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zCom.resources

Path C:\Users\Admin\AppData\Local\Temp\zCom.resources
Size 62KB
SHA256 d7dbe167a7b64a4d11e76d172c8c880020fe7e4bc9cae977ac06982584a6b430
MD5 aa4bdac8c4e0538ec2bb4b7574c94192
SHA1 ef76d834232b67b27ebd75708922adea97aeacce
SHA512 0ec342286c9dbe78dd7a371afaf405232ff6242f7e024c6640b265ba2288771297edbb5a6482848daad5007aef503e92508f1a7e1a8b8ff3fe20343b21421a65
SSDEEP 1536:edy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtQ:pn7N041QqhgQ
MD5 SHA1 SHA512 SSDEEP

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memory/1240-8-0x0000000074B10000-0x00000000750C1000-memory.dmp

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memory/1240-18-0x0000000074B10000-0x00000000750C1000-memory.dmp

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memory/2036-23-0x0000000074B10000-0x00000000750C1000-memory.dmp

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memory/2036-24-0x0000000074B10000-0x00000000750C1000-memory.dmp

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memory/2036-26-0x0000000074B10000-0x00000000750C1000-memory.dmp

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memory/2036-27-0x0000000074B10000-0x00000000750C1000-memory.dmp

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memory/2036-28-0x0000000074B10000-0x00000000750C1000-memory.dmp

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memory/4600-0-0x0000000074B12000-0x0000000074B13000-memory.dmp

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memory/4600-2-0x0000000074B10000-0x00000000750C1000-memory.dmp

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memory/4600-1-0x0000000074B10000-0x00000000750C1000-memory.dmp

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memory/4600-22-0x0000000074B10000-0x00000000750C1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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