metamorpherrat | ee8bf49b63937bd249323dce936bc2816bc60b612af7d36f7c86609b31bc3628

General

Target

PWS.MSIL.Mintluks.exe
Size

78KB
MD5

d0912c8e2b0c3166670aef6c34569290
SHA1

1a6c60e1c4c9b3bbe76e24aa1b553ab82f8bc63d
SHA256

ee8bf49b63937bd249323dce936bc2816bc60b612af7d36f7c86609b31bc3628
SHA512

071bb638824bd2d781064916a3cb760f70ae5c9cc1f160982d99f0c47f429aacb20c49b1e07e90cb457a5fc622ece336a65a90f16c0d4e5b8fe2f10974db3348
SSDEEP

1536:NouHHuaJtZAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9QtMm9/T19R:SuH/3ZAtWDDILJLovbicqOq3o+nMm9/t

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	PWS.MSIL.Mintluks.exe

Executes dropped EXE 1 IoCs

pid	Process
4392	tmpA5E5.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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmpA5E5.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	PWS.MSIL.Mintluks.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	tmpA5E5.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3112	PWS.MSIL.Mintluks.exe
Token: SeDebugPrivilege	4392	tmpA5E5.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 5072	3112	PWS.MSIL.Mintluks.exe	82
PID 3112 wrote to memory of 5072	3112	PWS.MSIL.Mintluks.exe	82
PID 3112 wrote to memory of 5072	3112	PWS.MSIL.Mintluks.exe	82
PID 5072 wrote to memory of 4772	5072	vbc.exe	84
PID 5072 wrote to memory of 4772	5072	vbc.exe	84
PID 5072 wrote to memory of 4772	5072	vbc.exe	84
PID 3112 wrote to memory of 4392	3112	PWS.MSIL.Mintluks.exe	85
PID 3112 wrote to memory of 4392	3112	PWS.MSIL.Mintluks.exe	85
PID 3112 wrote to memory of 4392	3112	PWS.MSIL.Mintluks.exe	85

C:\Users\Admin\AppData\Local\Temp\PWS.MSIL.Mintluks.exe
"C:\Users\Admin\AppData\Local\Temp\PWS.MSIL.Mintluks.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3112
- 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\e5iysul1.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5072
- - 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\RESA72D.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc61C9B7A79FC44C9FA77B661E561E734.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4772
- C:\Users\Admin\AppData\Local\Temp\tmpA5E5.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA5E5.tmp.exe" C:\Users\Admin\AppData\Local\Temp\PWS.MSIL.Mintluks.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4392

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RESA72D.tmp

Filesize
1KB

MD5
abe5fc03fde1d5f31091cbfbec4a8fad

SHA1
e7f819ea5050ac38a8cee96dcb2d4a4127ee9a0d

SHA256
99d361bc799074680dcf6210a1dcb2682a022c7cb8ee7e5f9f957941a4cc56d6

SHA512
7093b150f21ca40ea940d6a97edd0bd2c7394f05ad3624d08478f3c96ebc9ec5d654dd07fde294b9ce8109f2d5f93dfe0e0e570a33937563bd84d79f06c92023

Download Submit
C:\Users\Admin\AppData\Local\Temp\e5iysul1.0.vb

Filesize
15KB

MD5
ddf3b8bcb2693696b295bb34c53ba36e

SHA1
dcd54b6d1929f98e774dc3e94d94c1f6d1717676

SHA256
90b0707aedafdb24d4200999f692f121cae58620f121f017c19c5f52257021f2

SHA512
11c491a4e701709c00f6218251d4c1c65c990ee41dc161cb95bd423f63a30c8521f7fbae538e3e8da85db93425305f13c91971d51198c46e87758e5bc47f1394

Download Submit
C:\Users\Admin\AppData\Local\Temp\e5iysul1.cmdline

Filesize
266B

MD5
d826e1c048d802e7bb187abb5295ed2d

SHA1
92cc75b704b5a5199d115c9c1453bf4b5259b076

SHA256
a4f55b841a1ae82ef2725a12ebba90bfefc64baaf905d751b4f84a58b4b4e7f9

SHA512
d70c8c4ead13c8058474d70b310ea46dd80a96c4d2773ce53d8431b6afbb3e34440fe0788121b0aa235ac8ffecd80cf42dcf92fb0f0357d2f1b16c99a7a9047d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA5E5.tmp.exe

Filesize
78KB

MD5
b4460b32cbf4774f6bfb422639a34af9

SHA1
806c5622839021f8395c92596d2946f2f77be741

SHA256
8ed3ad98943d3ac91ffd7c5238070a46702ddee339a85ac885c18be56ab10c39

SHA512
c3744ebfc6f01b5f2f249716bfe573199979c2417abd83d2947536aacef812ce3f0f5b14a954bca5062982cbc649148c094d72aec86e5c70dfdf3a4be18e563c

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc61C9B7A79FC44C9FA77B661E561E734.TMP

Filesize
660B

MD5
0fbab46fa4efe56c74505010f15a284b

SHA1
64d3d1b86caa6c7bddc2df80d794c2f67abab9b6

SHA256
a435074fd5d6643e685fb7a7909e4fb5b72b336fc180c458b1c484ebd85dac52

SHA512
a0f55c32abdeb60b821e955cc54a8efe9ceff9657728ac84a47bb4ef62fbbc9fde1b3a4e857b8ee8e0fbdf257f1ac60e86e43abb4fdd29a68dd9a455462bda56

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

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/3112-22-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/3112-2-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/3112-1-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/3112-0-0x00000000754D2000-0x00000000754D3000-memory.dmp

Filesize
4KB

Download
memory/4392-23-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/4392-24-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/4392-25-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/4392-26-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/4392-27-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/5072-8-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/5072-18-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads