metamorpherrat | b53aa840155f4002ee8e587702837b94cc365de5735836b5be5afc9b0a15f6e6

General

Target

4fe3a4e50dd978e4e59b4fa35f00d5c0N.exe
Size

78KB
MD5

4fe3a4e50dd978e4e59b4fa35f00d5c0
SHA1

9a0e5a3e48471b3a836bf64ffce1bc5f8e4f2cbe
SHA256

b53aa840155f4002ee8e587702837b94cc365de5735836b5be5afc9b0a15f6e6
SHA512

afae453330ddf640f4672de097a614b595fc8e542b528a08bcca4715bc6ef912985dfc09fa590e647110f74680c7481e3b1bfc1fa2cd0e058e2e018431e62fed
SSDEEP

1536:UhHHuaJtZAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9QtO9/S1tat:wH/3ZAtWDDILJLovbicqOq3o+nO9/Jt

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	4fe3a4e50dd978e4e59b4fa35f00d5c0N.exe

Deletes itself 1 IoCs

pid	Process
1952	tmpA4FA.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
1952	tmpA4FA.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\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmpA4FA.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	tmpA4FA.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4fe3a4e50dd978e4e59b4fa35f00d5c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1776	4fe3a4e50dd978e4e59b4fa35f00d5c0N.exe
Token: SeDebugPrivilege	1952	tmpA4FA.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 4980	1776	4fe3a4e50dd978e4e59b4fa35f00d5c0N.exe	85
PID 1776 wrote to memory of 4980	1776	4fe3a4e50dd978e4e59b4fa35f00d5c0N.exe	85
PID 1776 wrote to memory of 4980	1776	4fe3a4e50dd978e4e59b4fa35f00d5c0N.exe	85
PID 4980 wrote to memory of 2488	4980	vbc.exe	89
PID 4980 wrote to memory of 2488	4980	vbc.exe	89
PID 4980 wrote to memory of 2488	4980	vbc.exe	89
PID 1776 wrote to memory of 1952	1776	4fe3a4e50dd978e4e59b4fa35f00d5c0N.exe	90
PID 1776 wrote to memory of 1952	1776	4fe3a4e50dd978e4e59b4fa35f00d5c0N.exe	90
PID 1776 wrote to memory of 1952	1776	4fe3a4e50dd978e4e59b4fa35f00d5c0N.exe	90

C:\Users\Admin\AppData\Local\Temp\4fe3a4e50dd978e4e59b4fa35f00d5c0N.exe
"C:\Users\Admin\AppData\Local\Temp\4fe3a4e50dd978e4e59b4fa35f00d5c0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776
- 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\qlzxcvd5.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4980
- - 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\RESA604.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcC9935A41B8374BF09658408479E1D0.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2488
- C:\Users\Admin\AppData\Local\Temp\tmpA4FA.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA4FA.tmp.exe" C:\Users\Admin\AppData\Local\Temp\4fe3a4e50dd978e4e59b4fa35f00d5c0N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1952

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\RESA604.tmp

Filesize
1KB

MD5
ce04beba5af7fa16012de13f3f9cfc85

SHA1
33d482267f994457cb96cf286c84e48475f50829

SHA256
4a98975a299b3164344fce160f1494e30105982b33f73adfa229c6e9fc7ca2c6

SHA512
b790695759b33a75e91dcc24a9cb1a0887c4e940d7d46ce84a1ca937f1f3321dd2b6d670eb93e5f2afdf639e16ce19d2ce34ad2675303afd46aa2cb462f34154

Download Submit
C:\Users\Admin\AppData\Local\Temp\qlzxcvd5.0.vb

Filesize
15KB

MD5
651cc878de98819e92c951f16f08b814

SHA1
5630be87228a03958c23b413953d7c2e0bd24987

SHA256
b13b9a09d35fd90f87542c6968bcfd0091b7cd3a1b60d6c1884722b6373492c1

SHA512
2317a794e3c7be31c0914b77246397faf78602e72d8c273486d5075d2e03881a839c7deced942755004be7ea0a2903ec1fd849d54a6b82ca02b0cc474f3188d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\qlzxcvd5.cmdline

Filesize
266B

MD5
8781e5c5be0373c7f278ac89f7b862cf

SHA1
107b7c1837a7a20de544c57a4a648fe984366140

SHA256
bad2891078e765a4c8631b81f0652b35745095458685ad9411c50818c6fde2cd

SHA512
dc0eef0e847d7c3d1018703d50b8af7dc96267bf01de34164538be6c7ba830d7108bad5450bec4bdf074f5749d7e86797035d7c93f2dadcf0a2b090b9d27c791

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA4FA.tmp.exe

Filesize
78KB

MD5
539bcb19ff1aaa7225c83a89917e51a7

SHA1
63eca599e0e5db49165e50e6d242011686eb7ff5

SHA256
53d960f287fa59634873b1491fc6214a416bb0442cc1a81e23ac9150b7cee12e

SHA512
cd09eb10e975b74e87051df57ff441acec6538a5401b0a9e0bce1926726ea77b31c04f0c4548938a217af767aa7ddf2452cb46751a592200f67b001c806292d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcC9935A41B8374BF09658408479E1D0.TMP

Filesize
660B

MD5
4fa69c2b02efccc66b3999072393a9ac

SHA1
8fe2d06028e65789a20b5ed6292e51c5c3a2f575

SHA256
51abf4ca063a703fdb4c26e4f7328b2e97102cb1e3b13f0c5e134e1efd68eb48

SHA512
c47e2bd66f7924bb94df0da91217288bf7f06ad4fb75818d694fa6ad99f2b975e953ccceff6db430bc30acfe52663681441cef1b6cac174ce40c672340e932f2

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

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/1776-23-0x0000000075110000-0x00000000756C1000-memory.dmp

Filesize
5.7MB

Download
memory/1776-2-0x0000000075110000-0x00000000756C1000-memory.dmp

Filesize
5.7MB

Download
memory/1776-1-0x0000000075110000-0x00000000756C1000-memory.dmp

Filesize
5.7MB

Download
memory/1776-0-0x0000000075112000-0x0000000075113000-memory.dmp

Filesize
4KB

Download
memory/1952-22-0x0000000075110000-0x00000000756C1000-memory.dmp

Filesize
5.7MB

Download
memory/1952-24-0x0000000075110000-0x00000000756C1000-memory.dmp

Filesize
5.7MB

Download
memory/1952-25-0x0000000075110000-0x00000000756C1000-memory.dmp

Filesize
5.7MB

Download
memory/1952-26-0x0000000075110000-0x00000000756C1000-memory.dmp

Filesize
5.7MB

Download
memory/4980-9-0x0000000075110000-0x00000000756C1000-memory.dmp

Filesize
5.7MB

Download
memory/4980-18-0x0000000075110000-0x00000000756C1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads