metamorpherrat | bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7f

General

Target

bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.exe
Size

78KB
MD5

58ffa0dcc9d63b5672a390ced5fdf070
SHA1

55d5d0df84d7bf8b7ff978bf8adea622a26796d4
SHA256

bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7f
SHA512

2f925bd70d6a2d4d531c8750b0d9ac1d005545107ef3720d8109f1dc958c029ea65f4cfc6362968fae25fd08d976358ecdc7148e5d1f1c8c0f7119391f0d4f2e
SSDEEP

1536:2BWV58IAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9Qtt6X9/+1de:AWV58IAtWDDILJLovbicqOq3o+nA9/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
Metamorpherrat family
metamorpherrat

Executes dropped EXE 1 IoCs

pid	Process
1960	tmpA8EC.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2376	bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.exe
2376	bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmpA8EC.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	bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.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	tmpA8EC.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.exe
Token: SeDebugPrivilege	1960	tmpA8EC.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2400	2376	bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.exe	30
PID 2376 wrote to memory of 2400	2376	bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.exe	30
PID 2376 wrote to memory of 2400	2376	bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.exe	30
PID 2376 wrote to memory of 2400	2376	bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.exe	30
PID 2400 wrote to memory of 1308	2400	vbc.exe	32
PID 2400 wrote to memory of 1308	2400	vbc.exe	32
PID 2400 wrote to memory of 1308	2400	vbc.exe	32
PID 2400 wrote to memory of 1308	2400	vbc.exe	32
PID 2376 wrote to memory of 1960	2376	bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.exe	33
PID 2376 wrote to memory of 1960	2376	bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.exe	33
PID 2376 wrote to memory of 1960	2376	bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.exe	33
PID 2376 wrote to memory of 1960	2376	bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.exe	33

C:\Users\Admin\AppData\Local\Temp\bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.exe
"C:\Users\Admin\AppData\Local\Temp\bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2376
- 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\n5drizhb.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2400
- - 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\RESA9F6.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcA9F5.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1308
- C:\Users\Admin\AppData\Local\Temp\tmpA8EC.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA8EC.tmp.exe" C:\Users\Admin\AppData\Local\Temp\bf971ed745f82b5a06e33b460147996211fce2e77b9f2264df69a7cda4a77f7fN.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1960

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\RESA9F6.tmp

Filesize
1KB

MD5
f33b19672073cdc64b310267ec00a7c9

SHA1
1887e4b3e44c216aecdcc8300073c9ccc59382b4

SHA256
b3667f539c19fcff2efaa4af7100eba3fa734e9ccdca6ccff5e7e5e5954f3e25

SHA512
987efa69f734dbfd792e7e9073c7d7d3c6ca74c68d91dc8d7fa03fd9a1a03a77f04c9891cfe67e554027709e8ddfe8d38aa71d53ed6c64ff9587b77fd64a9911

Download Submit
C:\Users\Admin\AppData\Local\Temp\n5drizhb.0.vb

Filesize
14KB

MD5
bff4ecd9c02464034c79a61a940f1cb5

SHA1
c10a141cdfd14a4a1f25459ed43b578ded9d335c

SHA256
4ee629a2b1bff355d0fdefe45778eb7ef58cfc3e899a04b4c32be012f0c17ffe

SHA512
779ac62776989cabb285019b1c64f3b04d02828398589e3b0472afc932dd48cc712435654639970b21cd2a728e5fc193262072d5c3d445339f8881a48632fc9a

Download Submit
C:\Users\Admin\AppData\Local\Temp\n5drizhb.cmdline

Filesize
266B

MD5
9dc61782674b39c01dbed4040fa13c87

SHA1
96890418d4814002803dd9e5c340fd216b2eeb23

SHA256
576da0228a856af0bfd131726a42d8a2120c91e8640a000cf0e64a08ce85a823

SHA512
1f186b0d9254cf7a941a8ce4ae422d90194c038d43c44457d1d17567e98a98d6f6a614bf44a850152134e06f40d78acedb4cb1fc6d546e32197aaf6df11cc20e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA8EC.tmp.exe

Filesize
78KB

MD5
bef6061049f67b931fda59757d0eb598

SHA1
7193e2f5e889b9b73b2af3f4d1d45d84efe8971c

SHA256
da2ef94c6859ace553c34a6791ac66463d0e850607ad57a90aae5dfee3902cb5

SHA512
4622b87a67e432e810beb345d2710ed2771f9601bc1691906e354ecd7233526ef0522bdf1910395dfdaaf72aae15d4affaf47427089badea67cd33558c530797

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcA9F5.tmp

Filesize
660B

MD5
08ec51c0e55a7d3284f469332341d850

SHA1
9fd0481deb2a90eec0cb67cdb7e70c63ea43d4a0

SHA256
b712f4068a3ad72da7f58ea2378d7218814540e7854c343807fbeaa5654e57cb

SHA512
24da72a3808bc658012708c959625468fe9e7eccdabdd8ed5430362191cf378bf3911168c31bf6104e7a33f9c08f3ef0be469bdfde23ca09999ccb14ac19925c

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

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/2376-0-0x00000000748B1000-0x00000000748B2000-memory.dmp

Filesize
4KB

Download
memory/2376-1-0x00000000748B0000-0x0000000074E5B000-memory.dmp

Filesize
5.7MB

Download
memory/2376-2-0x00000000748B0000-0x0000000074E5B000-memory.dmp

Filesize
5.7MB

Download
memory/2376-24-0x00000000748B0000-0x0000000074E5B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-8-0x00000000748B0000-0x0000000074E5B000-memory.dmp

Filesize
5.7MB

Download
memory/2400-18-0x00000000748B0000-0x0000000074E5B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads