metamorpherrat | 4bca478c7632dbfa1bee9ba71e1ba421dd74efc8b965d5bca36bcb7608d686c6

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 06:31

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General

Target
a19697418251a3c4fb461061d268fee0N.exe
Size 78KB
Sample240908-hahknatdqa
SHA256 4bca478c7632dbfa1bee9ba71e1ba421dd74efc8b965d5bca36bcb7608d686c6
MD5 a19697418251a3c4fb461061d268fee0
SHA1 b5b50a2ba623e9ffb5675ea34cf31193f79d5273
SHA512 f24e777cf9ecdf1b5b48d6b4df882f08cdccabf171e64cade4aea8efa997f5b4ad22b8476602fff00c07efc12c2706994c82ecc518f19393735bf61d86ed8b83
SSDEEP 1536:qSV58BXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC67J9/o1yJ:qSV58BSyRxvhTzXPvCbW2UDJ9/3
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	a19697418251a3c4fb461061d268fee0N.exe

Executes dropped EXE 1 IoCs

pid	Process
752	tmp8637.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\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp8637.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	tmp8637.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a19697418251a3c4fb461061d268fee0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1040	a19697418251a3c4fb461061d268fee0N.exe
Token: SeDebugPrivilege	752	tmp8637.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 4204	1040	a19697418251a3c4fb461061d268fee0N.exe	85
PID 1040 wrote to memory of 4204	1040	a19697418251a3c4fb461061d268fee0N.exe	85
PID 1040 wrote to memory of 4204	1040	a19697418251a3c4fb461061d268fee0N.exe	85
PID 4204 wrote to memory of 2980	4204	vbc.exe	88
PID 4204 wrote to memory of 2980	4204	vbc.exe	88
PID 4204 wrote to memory of 2980	4204	vbc.exe	88
PID 1040 wrote to memory of 752	1040	a19697418251a3c4fb461061d268fee0N.exe	89
PID 1040 wrote to memory of 752	1040	a19697418251a3c4fb461061d268fee0N.exe	89
PID 1040 wrote to memory of 752	1040	a19697418251a3c4fb461061d268fee0N.exe	89

C:\Users\Admin\AppData\Local\Temp\a19697418251a3c4fb461061d268fee0N.exe
"C:\Users\Admin\AppData\Local\Temp\a19697418251a3c4fb461061d268fee0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1040
- 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\wcbmmque.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4204
- - 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\RES8770.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc4EB4F4BE17E145059C162542236C69FA.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2980
- C:\Users\Admin\AppData\Local\Temp\tmp8637.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp8637.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a19697418251a3c4fb461061d268fee0N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:752

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

RES8770.tmp

Path C:\Users\Admin\AppData\Local\Temp\RES8770.tmp
Size 1KB
SHA256 41f5a63689b9a3a752cacf81f7cf3b09e93f63f41b7587fc81c295a75eec7ffd
MD5 f8a6f8c98cba10e4338f96914f7a02c4
SHA1 2d3b0f0a882494c5eefed2e9d6d4ec418bbd4396
SHA512 f25b876db326758368fc93f823635f3582e608eb3154168fa4fe95a32ef13c871b5dd0e6f53c45495d5b545981eabde52bef99527326161720b2ecdb121fa368
MD5 SHA1 SHA512

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tmp8637.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\tmp8637.tmp.exe
Size 78KB
SHA256 fe37ee48dc620fc990e5eeb0dbe9d0418a739b4cce25eeebc5df322c36532717
MD5 72c2facaaf458304d9f044262524c44d
SHA1 77bbc10ec881274c337af29108fef75197ac6722
SHA512 5295e5873c2d380cb7ac0e901dde29113e736fb284d133041a076016796d7eb6a4c8689782fef7ba1d87b4871534482c58677d589a0c00ad6c31312760e48b0d
SSDEEP 1536:4PCHF3M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQt19/T1yE:4PCHF8hASyRxvhTzXPvCbW2U19/9
MD5 SHA1 SHA512 SSDEEP

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vbc4EB4F4BE17E145059C162542236C69FA.TMP

Path C:\Users\Admin\AppData\Local\Temp\vbc4EB4F4BE17E145059C162542236C69FA.TMP
Size 660B
SHA256 bbaedd7a1ae71d1317bf34c898225043288332f25d418d2f071dc983b40fdd60
MD5 f8560a2b0f15fa991b1db9a6b05107cc
SHA1 539c9a1fc4cfa9b20b486103cf00e8cd030f4207
SHA512 2f0f3306e387088b831f9ebcc4ab9bfe583515d87442dba338da6948462c5047f17e3dfda2148e5fa5ed80bfc4df0493b1e94d15ec4af81a1b6643139bc0ae2e
MD5 SHA1 SHA512

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wcbmmque.0.vb

Path C:\Users\Admin\AppData\Local\Temp\wcbmmque.0.vb
Size 14KB
SHA256 f954447b30d8ff5e2f15d96ed4c2abdbb1df01a552dfa16de2f2c3170da96b02
MD5 aa7da8c11478dbd717040fc0b52c5a65
SHA1 34dfe5dca25d37a917d39aff5de30a1cc3a186ce
SHA512 9bb81200fe48d61ee152e4800ce00e7025366a59045e51dfa41dd4516882b56cca455b06b37d759cd55a18802168bcb6747638d47cd83c786272d7006435b4db
SSDEEP 384:rBQKNGJ4I4TNfNkjN1gckFzuN5NGcHb4E6NUzN7QPSN7eP:dQWG+I4Blkx2MTGcHQUhE+m
MD5 SHA1 SHA512 SSDEEP

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wcbmmque.cmdline

Path C:\Users\Admin\AppData\Local\Temp\wcbmmque.cmdline
Size 266B
SHA256 b189209348f81ccaca935da0c2bf9b5c0a7fefd5b629e3c88500240bd884512f
MD5 215d83e63b616ab59c6d1ebc136f7be1
SHA1 10ca1749f5f04ed120b8cf9b3bc5d9d0305a5c96
SHA512 74985714dbe35a84ce315fe890fa5d5da70ded0b22ae6c79cc96215d9abc7108c83d76fb60223fca99c4fd62c5ca702015bb043e5355a66131d4ace5f5811bfe
MD5 SHA1 SHA512

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zCom.resources

Path C:\Users\Admin\AppData\Local\Temp\zCom.resources
Size 62KB
SHA256 822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7
MD5 8fd8e054ba10661e530e54511658ac20
SHA1 72911622012ddf68f95c1e1424894ecb4442e6fd
SHA512 c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c
SSDEEP 1536:MXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtQ:0SyRxvhTzXPvCbW2UQ
MD5 SHA1 SHA512 SSDEEP

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memory/752-24-0x0000000075120000-0x00000000756D1000-memory.dmp

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memory/752-23-0x0000000075120000-0x00000000756D1000-memory.dmp

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memory/752-26-0x0000000075120000-0x00000000756D1000-memory.dmp

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memory/752-27-0x0000000075120000-0x00000000756D1000-memory.dmp

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memory/752-28-0x0000000075120000-0x00000000756D1000-memory.dmp

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memory/1040-2-0x0000000075120000-0x00000000756D1000-memory.dmp

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memory/1040-1-0x0000000075120000-0x00000000756D1000-memory.dmp

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memory/1040-22-0x0000000075120000-0x00000000756D1000-memory.dmp

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memory/1040-0-0x0000000075122000-0x0000000075123000-memory.dmp

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memory/4204-9-0x0000000075120000-0x00000000756D1000-memory.dmp

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memory/4204-18-0x0000000075120000-0x00000000756D1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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