metamorpherrat | 8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416

General

Target

8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe
Size

78KB
MD5

b99cd93aa42db0721ff9b47611a23c15
SHA1

97f95949f3a75a04450d798ff7e7350b43b719b5
SHA256

8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416
SHA512

592711fb3c01ee1c44508a4112db6d505f96da88f8e82d9daaebb57da61b746d666f640777c823fb2a4f1e442adefcaa088624221a5a3c94fd28ef8b526b032a
SSDEEP

1536:TX4V5jSuAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9Qti6q9/o1LpJ:D4V5jSuAtWDDILJLovbicqOq3o+ni9/G

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
Metamorpherrat family
metamorpherrat

Executes dropped EXE 1 IoCs

pid	Process
536	tmp6EBA.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2824	8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe
2824	8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmp6EBA.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	8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe
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	tmp6EBA.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe
Token: SeDebugPrivilege	536	tmp6EBA.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2140	2824	8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe	30
PID 2824 wrote to memory of 2140	2824	8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe	30
PID 2824 wrote to memory of 2140	2824	8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe	30
PID 2824 wrote to memory of 2140	2824	8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe	30
PID 2140 wrote to memory of 2916	2140	vbc.exe	32
PID 2140 wrote to memory of 2916	2140	vbc.exe	32
PID 2140 wrote to memory of 2916	2140	vbc.exe	32
PID 2140 wrote to memory of 2916	2140	vbc.exe	32
PID 2824 wrote to memory of 536	2824	8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe	33
PID 2824 wrote to memory of 536	2824	8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe	33
PID 2824 wrote to memory of 536	2824	8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe	33
PID 2824 wrote to memory of 536	2824	8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe	33

C:\Users\Admin\AppData\Local\Temp\8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe
"C:\Users\Admin\AppData\Local\Temp\8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2824
- 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\zvdtkzvo.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2140
- - 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\RES6F57.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc6F56.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2916
- C:\Users\Admin\AppData\Local\Temp\tmp6EBA.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp6EBA.tmp.exe" C:\Users\Admin\AppData\Local\Temp\8b3c3250bf6454f03cacb9d08f70b23af699e1e67322d35a316bc838af6f7416.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES6F57.tmp

Filesize
1KB

MD5
915f561f6bbc18f114eba69b4c8c9e73

SHA1
eb4525d64f5c93f465da9cad4eafca91bf812d72

SHA256
2c30ec980ef12a090ea15c47b2c496a5861306698fff528b3d437f95f9ce5495

SHA512
4c974b2a043d6f14577d80035c6f9841a7a583f34cf1af98acb1a41e0e8842630f06adea551261a43feac3b10605f297da154ab825b03671f979db4cab7b87f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6EBA.tmp.exe

Filesize
78KB

MD5
967dbce1ba24e8680717994bc4cd375e

SHA1
5195888c7b0fbb65cfe7607e8c1a182ce19ac423

SHA256
a8eb535ffcb094735026d8965f0f4337f2f1bcbdfc146ef2ef4e5e005991f8fa

SHA512
9417071bdac8cb08a3e45d9ad2bd9c754e46b31627778ed329ec0819296ec610fd763c6d0f4d2c8468f96989dbdae6d2cf7f86107a88af5a685d4bb31cfe3266

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc6F56.tmp

Filesize
660B

MD5
01a32419612d3ea9729f3c08f8068344

SHA1
abdd60fcfab9d2e09893a91f96e94f5f21598219

SHA256
9d8e95e5ca7571b0ee82601a971ce6d4fba3542a15b9f9017616dc3df92829af

SHA512
2fbe183f54131e4401cac0ee74a604dfebffe76179eb5e4cefe1336a43fabbcb3451b45a5ac1fe9814c2ce2ac7f52fa37fb9dd1af8bcb599597c6d9948f80ecb

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

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

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

Filesize
14KB

MD5
2df121c2918e8c3b86b27a07e482b975

SHA1
1b283eee7920f1acfefe767d01f562f1fabc710c

SHA256
e7dbf45dc68d59ad35a67bac92a6fa073d734cbc9dff133d43471e354f1ceb54

SHA512
b8bce5c0c306d8401a944a6de9a7f2cdfda3f652141e53db6a3fe36498332a4495ec43e4d6fb701b4ded3989558bbec20d990625de66f70249d2c7f3848184dc

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

Filesize
266B

MD5
8456fbcb3d825a167168279d1f89968e

SHA1
e9f125283ec350c96f0a70f600dce84cb4baafc1

SHA256
98097039d3a8392f34663ea1e7001e4ed0d2f8430a302d1ef9e99d9da9e82ca2

SHA512
952077db77f977178e246f5a8233ef551f981137f9a2220e556730669eeb80c6d9d84eb9241f4793d6a36b5ec94fa970cb617f365a6b416ce1c574ef5cf768fe

Download Submit
memory/2140-8-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2140-18-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-0-0x00000000747F1000-0x00000000747F2000-memory.dmp

Filesize
4KB

Download
memory/2824-1-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-2-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-24-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads