metamorpherrat | 87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9

Analysis

max time kernel
119s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2024, 03:07

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General

Target
87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9N.exe
Size 78KB
Sample241020-dmay5avhkh
SHA256 87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9
MD5 cfcf6110dc1037ebd8abd3501683d150
SHA1 4122722b2d5c2e47ad558b6cb68c49b762790639
SHA512 7fcb97782fd912d4923d70bc5a0f2ddfe9a422d59303d696566986745addc5253ff46944bd08169f86798e8de0daf75224a4d01fcd52915429e8ec6aed72d94b
SSDEEP 1536:KcV58xAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9Qti699/x17q:/V58xAtWDDILJLovbicqOq3o+nl9/S
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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9N.exe

Executes dropped EXE 1 IoCs

pid	Process
2800	tmp8359.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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmp8359.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	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp8359.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2924	87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9N.exe
Token: SeDebugPrivilege	2800	tmp8359.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2484	2924	87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9N.exe	84
PID 2924 wrote to memory of 2484	2924	87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9N.exe	84
PID 2924 wrote to memory of 2484	2924	87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9N.exe	84
PID 2484 wrote to memory of 2292	2484	vbc.exe	87
PID 2484 wrote to memory of 2292	2484	vbc.exe	87
PID 2484 wrote to memory of 2292	2484	vbc.exe	87
PID 2924 wrote to memory of 2800	2924	87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9N.exe	90
PID 2924 wrote to memory of 2800	2924	87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9N.exe	90
PID 2924 wrote to memory of 2800	2924	87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9N.exe	90

C:\Users\Admin\AppData\Local\Temp\87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9N.exe
"C:\Users\Admin\AppData\Local\Temp\87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924
- 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\euy6_puv.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2484
- - 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\RES853D.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc592856235494331BD3AA9AA8444717C.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2292
- C:\Users\Admin\AppData\Local\Temp\tmp8359.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp8359.tmp.exe" C:\Users\Admin\AppData\Local\Temp\87cb00d95b5d5c7198419e60dad3383afb3ba96242de5a81279d04ca66661fd9N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

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

RES853D.tmp

Path C:\Users\Admin\AppData\Local\Temp\RES853D.tmp
Size 1KB
SHA256 2c5318cca7b362bc461d774acaf91c142289dfabf47db5b277679cb93d52842b
MD5 c6dfb777bb98c3752c87eff873ed0ec9
SHA1 2bcc190a38b580a1b8713168d95d6e5a10f0fb69
SHA512 baee4ac7d6d038039eac1882886f5cd2e1b7dfcd38f8bc051b7c98aeb1936f3d932bfdff23d7846e273c510e0abb1d9a79dc2553adffe2550ff2568f6e14ed7f
MD5 SHA1 SHA512

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euy6_puv.0.vb

Path C:\Users\Admin\AppData\Local\Temp\euy6_puv.0.vb
Size 14KB
SHA256 09057a1bd147c73e1ba46d18bcfe39b21f7dd91a54811bd1383501f1b425e0cb
MD5 e7bde91e474d56088fb49a5d25c99201
SHA1 a7e8de2602780da230242e498bd789010cfadf74
SHA512 c21360a30b792a36f3f3b673333b76a1ab2ab137c82e73b6a1e67278b4ffe3a307195a8f3130eac9a26ac7f51a8d18a932209645391ffc4d827f220c27822c89
SSDEEP 384:rMyNONy3NQZNlOMNw16NfhcHbufE6NyzN7QvSN7eP:biQA/w1mfhcHC7yhw+m
MD5 SHA1 SHA512 SSDEEP

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euy6_puv.cmdline

Path C:\Users\Admin\AppData\Local\Temp\euy6_puv.cmdline
Size 266B
SHA256 d3e581974b94074163f8e9cd0b2dbae13b726cf7faa2ad46a02cd914a4eaa7ba
MD5 ee065285833c2cf8ef1e1cbf32470004
SHA1 e7832d3f906ea0965033015c2776520491ed7e06
SHA512 3c306211760e0f8d77e2011574993fd7d615bbedf6459ebf0747b0a959d8e94f1e5e19d85d97323942070012e26e6672cbb7ee4f29b127aac97e23d4783dc9c9
MD5 SHA1 SHA512

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tmp8359.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\tmp8359.tmp.exe
Size 78KB
SHA256 aae1898cc31ff4c9c4a3fde3250d335f7ff948e9cd1e61a365d15f2751bd18c5
MD5 db532baf5ad79011dd5656c043149be3
SHA1 c58f14d3acc40167f380a3c2b7d2bfdb4ed97213
SHA512 6967e88e334cf554230c6fc6d780b49368de36b92a4ea7df1070c10c44f4299bd8af78c72b87f2fda37ba96df0cd34d4371d98eefee2fc741e4a9af486833417
SSDEEP 1536:RMWtHF3uaJtZAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9Qtd9/41d:SWtHFP3ZAtWDDILJLovbicqOq3o+nd9E
MD5 SHA1 SHA512 SSDEEP

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vbc592856235494331BD3AA9AA8444717C.TMP

Path C:\Users\Admin\AppData\Local\Temp\vbc592856235494331BD3AA9AA8444717C.TMP
Size 660B
SHA256 ee6131e2f7f2ffcdc71037b6df8bb3a54767e00fee6a35dc94d9492f94f0a84e
MD5 b454990bcecc2d05315212d5de1c9fc3
SHA1 1df753fe5a7c297248cb10fb79ded4ed9e89d81a
SHA512 3a35724684824a3579f02478ac79c8bd7445eb1cae62aca9eed6bc92341fe0797add211b295360b648bdc7dcab92809c641e696f2e3d46b287074776093932a1
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/2484-9-0x0000000074F70000-0x0000000075521000-memory.dmp

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memory/2484-18-0x0000000074F70000-0x0000000075521000-memory.dmp

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memory/2800-23-0x0000000074F70000-0x0000000075521000-memory.dmp

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memory/2800-24-0x0000000074F70000-0x0000000075521000-memory.dmp

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memory/2800-25-0x0000000074F70000-0x0000000075521000-memory.dmp

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memory/2800-26-0x0000000074F70000-0x0000000075521000-memory.dmp

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memory/2800-27-0x0000000074F70000-0x0000000075521000-memory.dmp

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memory/2924-0-0x0000000074F72000-0x0000000074F73000-memory.dmp

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memory/2924-2-0x0000000074F70000-0x0000000075521000-memory.dmp

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memory/2924-1-0x0000000074F70000-0x0000000075521000-memory.dmp

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memory/2924-22-0x0000000074F70000-0x0000000075521000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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