metamorpherrat | d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389

General

Target

d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.exe
Size

78KB
MD5

8d735a99f8c5e5380ff224a52ed78770
SHA1

2b524b631f433eccad0b61b1dd0b1de967f53518
SHA256

d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389
SHA512

f393e7cdf61782c7b5de93f4a3de1bef0d85537c75c90db7b7b3389b59790bb30144a24a863d6d2a6635b7613873ab86ac88365125cd6078320318854557ac39
SSDEEP

1536:ZMCHF3uaJtZAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9QtC9/q1yY:aCHFP3ZAtWDDILJLovbicqOq3o+nC9/I

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
2416	tmpCA51.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2320	d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.exe
2320	d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmpCA51.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	d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.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	tmpCA51.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2320	d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.exe
Token: SeDebugPrivilege	2416	tmpCA51.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2496	2320	d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.exe	28
PID 2320 wrote to memory of 2496	2320	d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.exe	28
PID 2320 wrote to memory of 2496	2320	d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.exe	28
PID 2320 wrote to memory of 2496	2320	d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.exe	28
PID 2496 wrote to memory of 2280	2496	vbc.exe	31
PID 2496 wrote to memory of 2280	2496	vbc.exe	31
PID 2496 wrote to memory of 2280	2496	vbc.exe	31
PID 2496 wrote to memory of 2280	2496	vbc.exe	31
PID 2320 wrote to memory of 2416	2320	d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.exe	33
PID 2320 wrote to memory of 2416	2320	d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.exe	33
PID 2320 wrote to memory of 2416	2320	d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.exe	33
PID 2320 wrote to memory of 2416	2320	d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.exe	33

C:\Users\Admin\AppData\Local\Temp\d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.exe
"C:\Users\Admin\AppData\Local\Temp\d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2320
- 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\zgstpxgk.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2496
- - 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\RESCC55.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcCC44.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2280
- C:\Users\Admin\AppData\Local\Temp\tmpCA51.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpCA51.tmp.exe" C:\Users\Admin\AppData\Local\Temp\d39ebb55139e36a87b9767cb6f0dcf35380b0169356dbcf51034d6d5fceff389N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2416

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\RESCC55.tmp

Filesize
1KB

MD5
6854614345076a1d2e3a77b78256d72e

SHA1
50980e57a5ba54acee951dabea85f90ae1c93c80

SHA256
6636a5cf249d270afd79951856ce62144ebe92ac3f17113b29b1b0407341be22

SHA512
0978d0b543d7d964f06231672bcb5ec3c21ed274cc63e625c06c938ef01839ebe6ff078ddc67d622bc6d6cb6d8ce4b4cd1192912b2c33a3b99fef4192093b031

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCA51.tmp.exe

Filesize
78KB

MD5
8894979a404506f1e3b666643fdbbda8

SHA1
905c60ddcca6d804ad7693bc7ae214f9edff4b21

SHA256
197bee8932d3684361a41bd1ce6490e42324254ef4aa9726c2e4fd1064a3ab00

SHA512
21fb9afaf8f46247b842b5e4591590f97199e610eeb5de13f76d4df2fe1b3beb0727824731a5042205ff58b30f9b1edf1510130d09bb7a09bb75d61750dd36af

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcCC44.tmp

Filesize
660B

MD5
2b4f0f2cf36132fbf34648785e59c2b7

SHA1
71018481a04af7047fb180cb90202d8a36ad8848

SHA256
896dffe6bf51856d54f0e4fd556d63c09b1df3d758a2f72e170caf41219fd928

SHA512
a9a545f8060e6d3265f8892c6889eb9542c06f44d1c781187fcd871c5f5be86c78e9a4b167c22f4912053df32dacef2b67caf012bf99ecb13719299e37693cfb

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\zgstpxgk.0.vb

Filesize
15KB

MD5
7479fb8d363efce35e2f2c8ced5a6928

SHA1
a4979a970cfae7563443647346af65d2142d9c70

SHA256
0a40aa4615908484292bd9d77cad0c3900dc5f0c109aac489a931c08a8c1ccae

SHA512
8bd9740ecdf49b88b605170ea60a9abd123e1f60ed5b8269e6eef36e5dc9f0e5cce335d1e825cc399622a45a14dbc7971fd9555e6cf450007d2eb9242c29c629

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

Filesize
266B

MD5
dcdb872311d7b5fdea98ad831da58efa

SHA1
7b2d27eb84c4c978a07ade269397038dc08d13f6

SHA256
ddfdaf194d8c79389b4809a504a747019bc44b416aba02ed7f7f24b649885fc9

SHA512
80085adb18c653a40c9a4412b2bce5f5e9c59091430163073ea57fcf367146fc9d5a4e6346c96fe59de5c08198195d906db690588101bb7641322017aac663a9

Download Submit
memory/2320-0-0x0000000074E01000-0x0000000074E02000-memory.dmp

Filesize
4KB

Download
memory/2320-1-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/2320-2-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/2320-24-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/2496-8-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/2496-18-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads