metamorpherrat | 531d9c984d1e240886d9ff486ea9be81f9b68068eb2c81d9769a702e2636eb22

General

Target

1a0a1539820a23327d3cdbee1633fe90N.exe
Size

78KB
MD5

1a0a1539820a23327d3cdbee1633fe90
SHA1

be9c3aef5ac7748493ad136dfc35755ceacda190
SHA256

531d9c984d1e240886d9ff486ea9be81f9b68068eb2c81d9769a702e2636eb22
SHA512

b387ae9655630a3dd255c3ec64fd64d87f2d9e0dfef40c1f907a0a98e746ad415a59ef90204d83a0823f35ef28af287c44658a994da248736b2c6ca8ee3858a2
SSDEEP

1536:oBy5sAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9Qti669/51x5:ay5sAtWDDILJLovbicqOq3o+ni9/b

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	1a0a1539820a23327d3cdbee1633fe90N.exe

Deletes itself 1 IoCs

pid	Process
3740	tmp7714.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
3740	tmp7714.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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmp7714.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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp7714.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a0a1539820a23327d3cdbee1633fe90N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3628	1a0a1539820a23327d3cdbee1633fe90N.exe
Token: SeDebugPrivilege	3740	tmp7714.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3628 wrote to memory of 3124	3628	1a0a1539820a23327d3cdbee1633fe90N.exe	84
PID 3628 wrote to memory of 3124	3628	1a0a1539820a23327d3cdbee1633fe90N.exe	84
PID 3628 wrote to memory of 3124	3628	1a0a1539820a23327d3cdbee1633fe90N.exe	84
PID 3124 wrote to memory of 3916	3124	vbc.exe	86
PID 3124 wrote to memory of 3916	3124	vbc.exe	86
PID 3124 wrote to memory of 3916	3124	vbc.exe	86
PID 3628 wrote to memory of 3740	3628	1a0a1539820a23327d3cdbee1633fe90N.exe	89
PID 3628 wrote to memory of 3740	3628	1a0a1539820a23327d3cdbee1633fe90N.exe	89
PID 3628 wrote to memory of 3740	3628	1a0a1539820a23327d3cdbee1633fe90N.exe	89

C:\Users\Admin\AppData\Local\Temp\1a0a1539820a23327d3cdbee1633fe90N.exe
"C:\Users\Admin\AppData\Local\Temp\1a0a1539820a23327d3cdbee1633fe90N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3628
- 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\yzeim1ol.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3124
- - 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\RES781E.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc5F56EFD642F346E5ADC9713DB08F467.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3916
- C:\Users\Admin\AppData\Local\Temp\tmp7714.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp7714.tmp.exe" C:\Users\Admin\AppData\Local\Temp\1a0a1539820a23327d3cdbee1633fe90N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES781E.tmp

Filesize
1KB

MD5
110c02d055da521b4318092d161a4ac3

SHA1
2cba905648045e57cf22a586d58d1b7145a07d89

SHA256
4bfa46395fe388ea621f6fa4ad01c495338c94dfe2b185ea9aa525e5b39aed63

SHA512
3f1afd33d59cd0238c59e9b71b3e63043957b71118e8a7c12dcf3d70a75fa3034090e7b9bc61c4306fa30140595bedd9564d8db5fce56833d37fe2e6fad3c5d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7714.tmp.exe

Filesize
78KB

MD5
2cfc05a61b6fc92f92fee84fe4ac1768

SHA1
c3a64450d698a6c38c3522783a4cc01713a1a418

SHA256
33af91d69ed58a2028a03b4be5c155a4c41cc131bd9488aa248f710e256935bc

SHA512
13d482418a451a59137819aeccf2547852a671a8cb6742de2d43f22b5a9f95351d631c11a3009f6a9dfead643023073d8001f2d892c753363ca26c91f5edd736

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc5F56EFD642F346E5ADC9713DB08F467.TMP

Filesize
660B

MD5
93a32f1948c1ef4c281382bb94bfafdd

SHA1
b70f13fd999b97ae5d8359a0d32ecb223bce6dbe

SHA256
fc254b028a1e416a5f546ddf5e69770ade99ba7522e213f2702a929fbc2ab97b

SHA512
4c8d15025fb2742c233e0f11daf279681f273e2fab5560d6db7f7b1f7cba10e0f647aef99dfe85b95590107153fb039732dbb5658397f87d7b32ebf77d50ca6b

Download Submit
C:\Users\Admin\AppData\Local\Temp\yzeim1ol.0.vb

Filesize
14KB

MD5
2c11752fe8f5bcbce16d15fa11213f5b

SHA1
8f3fb4a49e7efcf7f9730bb9dacf73ed682b1dd7

SHA256
daefc62b58ff651e190f423602281724333b9224d9963981d2e0e9a3ccd445d0

SHA512
bfbee2fafc31db2401ea219f8fe6c2a1d9debb894558e296a4b538b005a29087764148cec5c5ac4fc6a7abe8dbd34401627d4b8b15a504e5d60a6e3a53cac631

Download Submit
C:\Users\Admin\AppData\Local\Temp\yzeim1ol.cmdline

Filesize
266B

MD5
60e8e9741e86a6de57923cee8e3b6788

SHA1
e0edb6e38270eee1c0d392f9cdc2bd8cee80e7d7

SHA256
7b5c683130751fc516698770c6aeba31178e0a6a398d637d4e46bd462528eba6

SHA512
8613cf2feeef3c292bba8a56f3b503d94cb7684d80b3d242e30c70b49db8f1c21a9f5f2696e25752f70cb4b27dc49c6a74a74f23d931f4a5e1370017f7523680

Download Submit
C:\Users\Admin\AppData\Local\Temp\zCom.resources

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/3124-9-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3124-18-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3628-0-0x0000000075492000-0x0000000075493000-memory.dmp

Filesize
4KB

Download
memory/3628-2-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3628-1-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3628-22-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3740-23-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3740-24-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3740-25-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3740-26-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads