metamorpherrat | 54d9502f9ae9303b4fa791d4a899da3ffbefc09c6c8e77cc085fac559934c1a2

Analysis

max time kernel
118s
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
05/09/2024, 19:44

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General

Target
43d84fb82f4e865408333aa256513110N.exe
Size 78KB
Sample240905-yfx6asyflc
SHA256 54d9502f9ae9303b4fa791d4a899da3ffbefc09c6c8e77cc085fac559934c1a2
MD5 43d84fb82f4e865408333aa256513110
SHA1 026107846f9ad79a0b5c8b3f7142af24db34792d
SHA512 4cce0a736bacb1652c609304c006fcf2019239f0b0e6221defae66295f9b7b124dc6e292a87a36e69632c5370b3f70b00321a3049c1e77630cd5f5ed58785035
SSDEEP 1536:dsHHM7t/vZv0kH9gDDtWzYCnJPeoYrGQtf9/+1/N:dsHsh/l0Y9MDYrm7f9/6
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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	43d84fb82f4e865408333aa256513110N.exe

Deletes itself 1 IoCs

pid	Process
2692	tmp97AC.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	tmp97AC.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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peverify = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft.CSharp.exe\""	tmp97AC.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	43d84fb82f4e865408333aa256513110N.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	tmp97AC.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4804	43d84fb82f4e865408333aa256513110N.exe
Token: SeDebugPrivilege	2692	tmp97AC.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 2836	4804	43d84fb82f4e865408333aa256513110N.exe	85
PID 4804 wrote to memory of 2836	4804	43d84fb82f4e865408333aa256513110N.exe	85
PID 4804 wrote to memory of 2836	4804	43d84fb82f4e865408333aa256513110N.exe	85
PID 2836 wrote to memory of 3732	2836	vbc.exe	88
PID 2836 wrote to memory of 3732	2836	vbc.exe	88
PID 2836 wrote to memory of 3732	2836	vbc.exe	88
PID 4804 wrote to memory of 2692	4804	43d84fb82f4e865408333aa256513110N.exe	89
PID 4804 wrote to memory of 2692	4804	43d84fb82f4e865408333aa256513110N.exe	89
PID 4804 wrote to memory of 2692	4804	43d84fb82f4e865408333aa256513110N.exe	89

C:\Users\Admin\AppData\Local\Temp\43d84fb82f4e865408333aa256513110N.exe
"C:\Users\Admin\AppData\Local\Temp\43d84fb82f4e865408333aa256513110N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4804
- 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\p8_mbpbs.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2836
- - 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\RES9952.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcA0F2CA8E7FA541B59C6CB17839714.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3732
- C:\Users\Admin\AppData\Local\Temp\tmp97AC.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp97AC.tmp.exe" C:\Users\Admin\AppData\Local\Temp\43d84fb82f4e865408333aa256513110N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2692

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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Downloads

RES9952.tmp

Path C:\Users\Admin\AppData\Local\Temp\RES9952.tmp
Size 1KB
SHA256 81e2c9f578c1142ce4dbce34046da6b11e4dd6c1d6d090245b2c632b8c2ca8b7
MD5 25ec7716a5166c34a4e2b5b842b5e7ac
SHA1 5e574861bcf7733498d436bc893b00dc40eeef6d
SHA512 c62a4d935ea552b8de165f9eb365cfcae4d5367b5f051d88ae16422f6d2902fe557dff919c8b419950107d2a405467793f2809557d47c438bc852c4f11d1a456
MD5 SHA1 SHA512

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p8_mbpbs.0.vb

Path C:\Users\Admin\AppData\Local\Temp\p8_mbpbs.0.vb
Size 15KB
SHA256 6f0995d9156189ea2b4f65fee7c9f120b59520a9442e1d9870ed8c7a9d7ba5db
MD5 054100f239200c1c05de127e4ac6759c
SHA1 7fdb6392a28db47c2ea7cdc16bd608e29f2e845e
SHA512 1842498384be5dc55fb08fc8eb8a24baa468371ce653b802e8a6fc88281cc2c0030583b7729817aad77c17902d56ac92a69a865f614281fcd553eb5eabf1f8f2
SSDEEP 384:riNNgtNQN3N6VgWs9C+LNPWNXcHbDE6NagBgKzN7QqSN7eP:ufYY9Ibs97PKXcH7a2Vh7+m
MD5 SHA1 SHA512 SSDEEP

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p8_mbpbs.cmdline

Path C:\Users\Admin\AppData\Local\Temp\p8_mbpbs.cmdline
Size 266B
SHA256 da7e231d0640cf90a3e5ac884a25d47b8077ffd47bf27b4aad0da3a9d147931e
MD5 0fd2b18f123183de276f2b55f235d0e6
SHA1 9288975d113791225d097a504188ef96100c26fe
SHA512 489d2c19874c4e8eccb12a91686eddb618e4442340c819940649091ec81a1eaad423a3d32f0b9570aa39570cde80947e332450a7cec7037d0c9bea86b5ccd79b
MD5 SHA1 SHA512

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tmp97AC.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\tmp97AC.tmp.exe
Size 78KB
SHA256 5f8a1d5246a8638a835e9de8772b6edb8a1a922c5b8de4b6b478423c4895a23d
MD5 e089e4be9bc89b22bad31f3a4e98922d
SHA1 152f0bef4b4677c5be1f7f5fe0a5a892f797b45a
SHA512 7bf78167e94107be2f5f18e7f7df902c89bf7fb4691e0fa880a0fafd2f46fbffb69f8be7227e9923507373ec115307f4a89c10df4305b796e6a2a61b7c07879d
SSDEEP 1536:+j5jSXvZv0kH9gDDtWzYCnJPeoYrGQtC6v9/5c1Nh:m5jSXl0Y9MDYrm739/k
MD5 SHA1 SHA512 SSDEEP

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vbcA0F2CA8E7FA541B59C6CB17839714.TMP

Path C:\Users\Admin\AppData\Local\Temp\vbcA0F2CA8E7FA541B59C6CB17839714.TMP
Size 660B
SHA256 40785d77c4cd3bde317cc5662484674c085ebc8ea6b7e5f92659bcda5a101789
MD5 efec14fa0c86aa155f5531e904fd5454
SHA1 a07d9d0f827f339432a1d16b369b2db658fff805
SHA512 3e2fe0d99c83522c157c6a65306b071aaf6cdbd774aa3685dd9af75377cdc64f9eacb8ab523d4038a0e26a8f893ae0c7b6d1eaefba4670ca7814b66c4bf6d0d9
MD5 SHA1 SHA512

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zCom.resources

Path C:\Users\Admin\AppData\Local\Temp\zCom.resources
Size 62KB
SHA256 79c261ab6b394ee23ab0fd0af48bcd96f914c6bb88b36b6815b6bbf787ecd56e
MD5 8b25b4d931908b4c77ce6c3d5b9a2910
SHA1 88b65fd9733484c8f8147dad9d0896918c7e37c7
SHA512 6d954066cec5eca118601f2f848f5c9deebe3761ac285c6d45041df22e4bc4e9e2fd98c1aa4fbb6b9c735151bf8d5fffa5acddf7060a4cf3cb7e09271a4a926d
SSDEEP 768:xm0bvH5oKbT+rDfQH3tgDAcWRb1hyPsu8GbjYbzy9Jpk5n0oxpBXPsdmioYrJyGy:bvZv0kH9gDDtWzYCnJPeoYrGQtQ
MD5 SHA1 SHA512 SSDEEP

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memory/2692-25-0x0000000075100000-0x00000000756B1000-memory.dmp

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memory/2692-29-0x0000000075100000-0x00000000756B1000-memory.dmp

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memory/2692-28-0x0000000075100000-0x00000000756B1000-memory.dmp

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memory/2692-27-0x0000000075100000-0x00000000756B1000-memory.dmp

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memory/2692-26-0x0000000075100000-0x00000000756B1000-memory.dmp

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memory/2692-23-0x0000000075100000-0x00000000756B1000-memory.dmp

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memory/2836-8-0x0000000075100000-0x00000000756B1000-memory.dmp

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memory/2836-18-0x0000000075100000-0x00000000756B1000-memory.dmp

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memory/4804-22-0x0000000075100000-0x00000000756B1000-memory.dmp

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memory/4804-0-0x0000000075102000-0x0000000075103000-memory.dmp

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memory/4804-2-0x0000000075100000-0x00000000756B1000-memory.dmp

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memory/4804-1-0x0000000075100000-0x00000000756B1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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