metamorpherrat | 5dcff7664cf550fde032b4e311f08ca5d39ade3c1b87453176eeedc595375cbf

General

Target

bc10385b1dd0486ef71c62d5df53d810N.exe
Size

78KB
MD5

bc10385b1dd0486ef71c62d5df53d810
SHA1

862b9314fa4e2285272dcfc7bc24cf18d8b18f8a
SHA256

5dcff7664cf550fde032b4e311f08ca5d39ade3c1b87453176eeedc595375cbf
SHA512

8070178de37490791c3a856df81820588eb6a90beba4162f90faceef6273e01086aeb6dec534a54a81019ecdfee0f9e499f6b0dcceadb20e7f30497679aa5315
SSDEEP

1536:fcRWtHHuaJtZAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9QtL09/Nb:kRWtH/3ZAtWDDILJLovbicqOq3o+nL0v

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	bc10385b1dd0486ef71c62d5df53d810N.exe

Executes dropped EXE 1 IoCs

pid	Process
1220	tmpA79A.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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmpA79A.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	bc10385b1dd0486ef71c62d5df53d810N.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	tmpA79A.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4652	bc10385b1dd0486ef71c62d5df53d810N.exe
Token: SeDebugPrivilege	1220	tmpA79A.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 3908	4652	bc10385b1dd0486ef71c62d5df53d810N.exe	83
PID 4652 wrote to memory of 3908	4652	bc10385b1dd0486ef71c62d5df53d810N.exe	83
PID 4652 wrote to memory of 3908	4652	bc10385b1dd0486ef71c62d5df53d810N.exe	83
PID 3908 wrote to memory of 1928	3908	vbc.exe	87
PID 3908 wrote to memory of 1928	3908	vbc.exe	87
PID 3908 wrote to memory of 1928	3908	vbc.exe	87
PID 4652 wrote to memory of 1220	4652	bc10385b1dd0486ef71c62d5df53d810N.exe	89
PID 4652 wrote to memory of 1220	4652	bc10385b1dd0486ef71c62d5df53d810N.exe	89
PID 4652 wrote to memory of 1220	4652	bc10385b1dd0486ef71c62d5df53d810N.exe	89

C:\Users\Admin\AppData\Local\Temp\bc10385b1dd0486ef71c62d5df53d810N.exe
"C:\Users\Admin\AppData\Local\Temp\bc10385b1dd0486ef71c62d5df53d810N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4652
- 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\gnltul2k.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3908
- - 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\RESA95F.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcB591CC0CE2F04C4BB2E9ABBA1CB61FB9.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1928
- C:\Users\Admin\AppData\Local\Temp\tmpA79A.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA79A.tmp.exe" C:\Users\Admin\AppData\Local\Temp\bc10385b1dd0486ef71c62d5df53d810N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1220

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\RESA95F.tmp

Filesize
1KB

MD5
35d07ce595dc99b23eaa47422c644fcc

SHA1
a0c74b151559eec375eed1c655284f50ba285bf7

SHA256
7edc115969ff33aae79c919fbaa9ac9fa7c73ea8dd18b7d5180134814ffbb00f

SHA512
07baddd22772ce57866ed99b12cb3327e47c3f600d4ec721e765bae6d495804d7a09b73a9d8af3068e1d670ae55f70e310a68bf9c2a79210ee49047ede33e907

Download Submit
C:\Users\Admin\AppData\Local\Temp\gnltul2k.0.vb

Filesize
15KB

MD5
1e5a479db67a9268b17f307cd75549db

SHA1
ff90b9260b668d82052cda93cc115e323faba3d5

SHA256
220b6f6587418d8ccbb3e1188547d17d763f4aeadfb59531441c7cb33e8bba37

SHA512
f2b023b5b397e7aecd7f405b5bb574d51f47b33bf9c98f7fbf171d2416ded1025279e0c3ce2db58efcf341a3858443306403b1da243a158fb15438e7a508c490

Download Submit
C:\Users\Admin\AppData\Local\Temp\gnltul2k.cmdline

Filesize
266B

MD5
b67900e5b558287ce763d21dfd8fb2f6

SHA1
c6e2c4355ab94ba36095f56c2734884873432c3a

SHA256
b76dbd92d8ab1ed7680d2ea80c475e5381b4ac9d5684ae61cc77126586c86a7e

SHA512
f4a67b2b97cb12bcef65fdc57e40fa425b4b87ede6076119a74c8ad3fc1f03203888721407f3ad61abc24ce71d95bfb3caadf4e1ee04113784a6c563d9df895a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA79A.tmp.exe

Filesize
78KB

MD5
377f97305cb588f33a7a56156a96253b

SHA1
9d22e4ca563055ca87cabcd45667c08f8d4a61ab

SHA256
583fe02a3987cc3de5ae5ad9ae08caebc5e7fadd56bc019ff9ff067fb2e3e3f6

SHA512
381fc74ee469f9583bc40789b551342abef99a4af1d145a63655488ed4f7169866a4e4fd2ccf104b366dac96dec2aaf4e11aa5bc1c92d39a5daff8638ad70859

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcB591CC0CE2F04C4BB2E9ABBA1CB61FB9.TMP

Filesize
660B

MD5
a35534e4006eed33b94144f7b9710c30

SHA1
8683b4b48fa05e77d1948fbaa781eeca422b3785

SHA256
f91bfd7716b72849895b63ed62a13e8b37686758e2a3dc54e0d584907d0bd7af

SHA512
d521bf87f184f0c95afa95fd0dc150cfdd943d82017162360f8ac52ce86698eda5df62d6fd027ed97639ac2e63061fd0d312667d796915b8093b9ca73a2d5495

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

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/1220-24-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/1220-22-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/1220-25-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/1220-26-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/1220-27-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/3908-18-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/3908-9-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4652-2-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4652-0-0x0000000075032000-0x0000000075033000-memory.dmp

Filesize
4KB

Download
memory/4652-1-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4652-23-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads