metamorpherrat | e6073b1005391c5fc1019d9a3a2f4d8ca29f139aaf11089c8e637a35e9d80b84

Analysis

max time kernel
120s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 08:40

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General

Target
921d48d7ec7b7163af6acd6e046970d0N.exe
Size 78KB
Sample240818-klaejaybjq
SHA256 e6073b1005391c5fc1019d9a3a2f4d8ca29f139aaf11089c8e637a35e9d80b84
MD5 921d48d7ec7b7163af6acd6e046970d0
SHA1 a6fd34575853601ca9fe02406a1ff584e968ff96
SHA512 d47ae25319fc7234abdd09da92b73daba8a61b5796d992e6610763bf21efe2c5690809b515ef5eac06af6592e949d13b17560b109ea13b45bcc9d1d6d4cae1f2
SSDEEP 1536:ImWtHY6uaJtZAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9QtL19/w4:1WtHYI3ZAtWDDILJLovbicqOq3o+nL19
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	921d48d7ec7b7163af6acd6e046970d0N.exe

Executes dropped EXE 1 IoCs

pid	Process
1992	tmpBD74.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\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmpBD74.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	tmpBD74.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	921d48d7ec7b7163af6acd6e046970d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3572	921d48d7ec7b7163af6acd6e046970d0N.exe
Token: SeDebugPrivilege	1992	tmpBD74.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 1568	3572	921d48d7ec7b7163af6acd6e046970d0N.exe	84
PID 3572 wrote to memory of 1568	3572	921d48d7ec7b7163af6acd6e046970d0N.exe	84
PID 3572 wrote to memory of 1568	3572	921d48d7ec7b7163af6acd6e046970d0N.exe	84
PID 1568 wrote to memory of 3508	1568	vbc.exe	86
PID 1568 wrote to memory of 3508	1568	vbc.exe	86
PID 1568 wrote to memory of 3508	1568	vbc.exe	86
PID 3572 wrote to memory of 1992	3572	921d48d7ec7b7163af6acd6e046970d0N.exe	89
PID 3572 wrote to memory of 1992	3572	921d48d7ec7b7163af6acd6e046970d0N.exe	89
PID 3572 wrote to memory of 1992	3572	921d48d7ec7b7163af6acd6e046970d0N.exe	89

C:\Users\Admin\AppData\Local\Temp\921d48d7ec7b7163af6acd6e046970d0N.exe
"C:\Users\Admin\AppData\Local\Temp\921d48d7ec7b7163af6acd6e046970d0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3572
- 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\xexgml8m.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1568
- - 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\RESBE4F.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc1DCCF20B1D5A4076975712EB841889E.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3508
- C:\Users\Admin\AppData\Local\Temp\tmpBD74.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpBD74.tmp.exe" C:\Users\Admin\AppData\Local\Temp\921d48d7ec7b7163af6acd6e046970d0N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1992

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

RESBE4F.tmp

Path C:\Users\Admin\AppData\Local\Temp\RESBE4F.tmp
Size 1KB
SHA256 d38d365357a3287a6ee7df0df110bce9a49af8e71049a9dc1ac986f4e2f94429
MD5 d3bd6b8a0aa0f743b5038a468c4dd011
SHA1 993d4bdb5089758e4b9de618e9c678b436cac1af
SHA512 a75789d10049550fa1b6a8882e51c200c771348cae533c222b3a0d07fd332e3ae284f6e79a2f80cb5eabf645cc510fa4f49e569651bdb4419da99f74f4e5176f
MD5 SHA1 SHA512

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tmpBD74.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\tmpBD74.tmp.exe
Size 78KB
SHA256 5034bb1850ea577d3e4f5e969e06db19e3f430c6589c52178662871fb8a5e0e6
MD5 2286aaa7b55f30b47febc5550ce406ca
SHA1 cfb97593e8ce8712efd6862436db143d0e60b5a4
SHA512 cd7c85cc1aa8522677e3930982ea48fc9015a868107a81c05fed6725af448be4fe85f4b59804e5cbceb5423f0d3dc00369a413b37feda28570dcee254b0c86c7
SSDEEP 1536:BVPWV5jSWAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9Qtd6j9/L182:jPWV5jSWAtWDDILJLovbicqOq3o+n49R
MD5 SHA1 SHA512 SSDEEP

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vbc1DCCF20B1D5A4076975712EB841889E.TMP

Path C:\Users\Admin\AppData\Local\Temp\vbc1DCCF20B1D5A4076975712EB841889E.TMP
Size 660B
SHA256 265d849904a98534747151980780e3da38caa2f9d024284b6daf107abe453752
MD5 cb0a1537818939b5a16d5168c5d6bb23
SHA1 bb6f577f52d748e1beee29bdbaa157844acd347a
SHA512 c75f94fdaebc8f61da6a6ccd1ec4f88e51e37a980e011045f1ecc3e03b257ce36fdf27c276273cdd2977d7fe264836db41d0770963717e2e2470b16d2f504748
MD5 SHA1 SHA512

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xexgml8m.0.vb

Path C:\Users\Admin\AppData\Local\Temp\xexgml8m.0.vb
Size 15KB
SHA256 4a5703b68450d1a042c8365e7a45df58b3a1335fce9c4f2aa05bf24d393671ce
MD5 9adf6fe3f09f2fff2efd41707c6d73ff
SHA1 47bdf1a2cf8f7b83f103ac9c5b5c338b5ce12591
SHA512 20449168c6f8c785ae48afdc951f428e09054521445e8ba10727a73153997fed02a9abc68ba359ff8add66bdcde80521f0b97311263acac6d26d77cf31ad7132
SSDEEP 384:rtENAGNaN+N1oRikJNnvNjcHbfE6NPzN7QRSN7eP:pkAaGygDnVjcHfPh0+m
MD5 SHA1 SHA512 SSDEEP

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xexgml8m.cmdline

Path C:\Users\Admin\AppData\Local\Temp\xexgml8m.cmdline
Size 266B
SHA256 0b052dc8fcc03699a5e956e97fd0d581a55cfab10c49cd57878cbfb261036ef6
MD5 6e1edafa31d35bd364a9b32deee58322
SHA1 ba1777634382182480e892cbadfaf459c08f25f3
SHA512 bf20b97ecefbfe21b17743a80571b8d49b52134839f36e80482bed37a11293c72948266fe889024a829a2b4d873815e003d8942b29f2291b9ce2c168d277d0a5
MD5 SHA1 SHA512

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zCom.resources

Path C:\Users\Admin\AppData\Local\Temp\zCom.resources
Size 62KB
SHA256 b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5
MD5 a26b0f78faa3881bb6307a944b096e91
SHA1 42b01830723bf07d14f3086fa83c4f74f5649368
SHA512 a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c
SSDEEP 1536:sAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9QtQ:sAtWDDILJLovbicqOq3o+nQ
MD5 SHA1 SHA512 SSDEEP

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memory/1568-8-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/1568-18-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/1992-23-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/1992-24-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/1992-25-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/1992-26-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/1992-27-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/3572-0-0x0000000074C02000-0x0000000074C03000-memory.dmp

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memory/3572-2-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/3572-1-0x0000000074C00000-0x00000000751B1000-memory.dmp

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memory/3572-22-0x0000000074C00000-0x00000000751B1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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