metamorpherrat | b4fb8920cd5ea8946bf7a6baa26639a979a245c964601ca0e7b355c1067b4c4a

Analysis

max time kernel
162s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2024, 01:59

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General

Target
b4fb8920cd5ea8946bf7a6baa26639a979a245c964601ca0e7b355c1067b4c4a.exe
Size 78KB
Sample240411-cee3fahd65
SHA256 b4fb8920cd5ea8946bf7a6baa26639a979a245c964601ca0e7b355c1067b4c4a
MD5 ea9c83c558ddadef75c350a68c173e26
SHA1 c19d181f3ce41a59cd9d43b0e49fac4ca7dc8ac6
SHA512 cfdbc0ebb149b66871db551632298165320545a1ac3abbbbaebd8c969852c4390f423d82bfeee252e95bb194653c7c6659f39b76561acde464680f1fa9e74ce4
SSDEEP 1536:xV5jS9dy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtN6O9/U13/:xV5jSon7N041Qqhg19/K
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

metamorpherrat 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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	b4fb8920cd5ea8946bf7a6baa26639a979a245c964601ca0e7b355c1067b4c4a.exe

Deletes itself 1 IoCs

pid	Process
1544	tmp8BA6.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
1544	tmp8BA6.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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System.XML = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\AppLaunch.exe\""	tmp8BA6.tmp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	352	b4fb8920cd5ea8946bf7a6baa26639a979a245c964601ca0e7b355c1067b4c4a.exe
Token: SeDebugPrivilege	1544	tmp8BA6.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 352 wrote to memory of 4208	352	b4fb8920cd5ea8946bf7a6baa26639a979a245c964601ca0e7b355c1067b4c4a.exe	84
PID 352 wrote to memory of 4208	352	b4fb8920cd5ea8946bf7a6baa26639a979a245c964601ca0e7b355c1067b4c4a.exe	84
PID 352 wrote to memory of 4208	352	b4fb8920cd5ea8946bf7a6baa26639a979a245c964601ca0e7b355c1067b4c4a.exe	84
PID 4208 wrote to memory of 5016	4208	vbc.exe	86
PID 4208 wrote to memory of 5016	4208	vbc.exe	86
PID 4208 wrote to memory of 5016	4208	vbc.exe	86
PID 352 wrote to memory of 1544	352	b4fb8920cd5ea8946bf7a6baa26639a979a245c964601ca0e7b355c1067b4c4a.exe	87
PID 352 wrote to memory of 1544	352	b4fb8920cd5ea8946bf7a6baa26639a979a245c964601ca0e7b355c1067b4c4a.exe	87
PID 352 wrote to memory of 1544	352	b4fb8920cd5ea8946bf7a6baa26639a979a245c964601ca0e7b355c1067b4c4a.exe	87

C:\Users\Admin\AppData\Local\Temp\b4fb8920cd5ea8946bf7a6baa26639a979a245c964601ca0e7b355c1067b4c4a.exe
"C:\Users\Admin\AppData\Local\Temp\b4fb8920cd5ea8946bf7a6baa26639a979a245c964601ca0e7b355c1067b4c4a.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:352
- 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\vg1yvvsj.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4208
- - 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\RES8ED2.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc1A6EA494B1EF4BD2AF2CEAD19F5C3FF.TMP"
    3⤵
    PID:5016
- C:\Users\Admin\AppData\Local\Temp\tmp8BA6.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp8BA6.tmp.exe" C:\Users\Admin\AppData\Local\Temp\b4fb8920cd5ea8946bf7a6baa26639a979a245c964601ca0e7b355c1067b4c4a.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  PID:1544

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

RES8ED2.tmp

Path C:\Users\Admin\AppData\Local\Temp\RES8ED2.tmp
Size 1KB
SHA256 522cd729c9db23474edcd8f92dd81b6267847ef26893f9903964c7fc89d9e727
MD5 389a87e9619e7736acf195a1cb05721e
SHA1 e353db6f515464df804d0283cdb7e0204b7ad38f
SHA512 5e259f3c488eee6d2c26ff26c4e3961ff9faa10220f0e42a483dfdc73f99e57a4dd216c8dc31536b804a5873bc09c2025d8eb3207201611cc84d3d52debc1c79
MD5 SHA1 SHA512

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tmp8BA6.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\tmp8BA6.tmp.exe
Size 78KB
SHA256 5de6274f049206c3456f9c3ddc1f017aa77f4ef444110eea9341c762daa16220
MD5 d12cc6665e949ba38b2d9540e5729519
SHA1 b82135a42d712e80d7369fc6275a488c087485b6
SHA512 2f794fce27bd63d3c205614ee72ecb8b4dff6894c3132b9888c6e72e5790c6e056bf72fbc8e9438eb64553ddada44531e1f4b0ec3d714277d28861cf8dcd3774
SSDEEP 1536:VHFo6638dy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtl9/yj1gb:VHFo53Ln7N041Qqhgl9/D
MD5 SHA1 SHA512 SSDEEP

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vbc1A6EA494B1EF4BD2AF2CEAD19F5C3FF.TMP

Path C:\Users\Admin\AppData\Local\Temp\vbc1A6EA494B1EF4BD2AF2CEAD19F5C3FF.TMP
Size 660B
SHA256 4aae529bbbf1883af235fe875e63104075387bfd4a884b59db649fb19c11d36a
MD5 934d30669ceb83f23a9cc0328ba47fa3
SHA1 5e933aa042721a1907a24c8d74aec959289787ba
SHA512 5e7147b6a17cffae4cd0388f766250e8bebb9510984098edae3091d683035412fc33b7564373e7d6b157f254faa362281ef64cd6265b53c087f6b4dddc818fde
MD5 SHA1 SHA512

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vg1yvvsj.0.vb

Path C:\Users\Admin\AppData\Local\Temp\vg1yvvsj.0.vb
Size 14KB
SHA256 e3af64e7c555ee610ed84d2ddb1f8fd4dc43e2b283aae03e757972b8bb50199c
MD5 fde5a90b2433dceaa9edbfdd46b6ccda
SHA1 67d0021f9cf96356195174015952c8df65523a59
SHA512 0bed78d9e0f4c221218c4074cde619f92820c5628e114d78d0c68f9b87e141971c94f74539a899272af1fc0dd36ed9b94bdeb7c8c4c1bc563707f9c63f6526d9
SSDEEP 384:rwNe0NSxNyNfVlnRQNFNdcHb+E6NLzN7QZSN7eP:EJSLedlq3dcHWLhq+m
MD5 SHA1 SHA512 SSDEEP

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vg1yvvsj.cmdline

Path C:\Users\Admin\AppData\Local\Temp\vg1yvvsj.cmdline
Size 266B
SHA256 a28adf5bb8eee33c3c4ac535ce4dc6229ab4e8a34c9cd8baa11e8a3382ef0cf0
MD5 08b7fe54e9389047597883029ea4fdff
SHA1 3fb6f2d6d25c8383c72bae9681745609a288c6c9
SHA512 dfeee00e38b4260b44770b1b762cf79e7d74633d55c3d99750dac886f98ede0bb4d4f1e992b6c7a6b83e57d28847479acb2fdf8bb03441ab44bedda53e57a2ab
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/352-21-0x00000000746A0000-0x0000000074C51000-memory.dmp

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memory/352-1-0x00000000746A0000-0x0000000074C51000-memory.dmp

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memory/352-2-0x0000000001170000-0x0000000001180000-memory.dmp

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memory/352-0-0x00000000746A0000-0x0000000074C51000-memory.dmp

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memory/1544-23-0x0000000000910000-0x0000000000920000-memory.dmp

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memory/1544-22-0x00000000746A0000-0x0000000074C51000-memory.dmp

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memory/1544-24-0x00000000746A0000-0x0000000074C51000-memory.dmp

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memory/1544-26-0x0000000000910000-0x0000000000920000-memory.dmp

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memory/1544-27-0x00000000746A0000-0x0000000074C51000-memory.dmp

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memory/1544-28-0x0000000000910000-0x0000000000920000-memory.dmp

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memory/1544-29-0x0000000000910000-0x0000000000920000-memory.dmp

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memory/4208-8-0x0000000002680000-0x0000000002690000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads