metamorpherrat | b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33

General

Target

b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe
Size

78KB
MD5

68b4be56a75b7dbe03689e1d48437556
SHA1

bbdd8822dbe1a62ccbe921e4f313250a10234dbd
SHA256

b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33
SHA512

bcd9533ee699171b63d3198771a8087c58f86561287bab4576bc57e75f7e64c3a094b563242a6fedeb2e10b73b5caf55bb4ad1b413de4c6463622d90d2141e41
SSDEEP

1536:8CHY6M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQte39/n14qG:8CHYn3xSyRxvY3md+dWWZye39/FG

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

Deletes itself 1 IoCs

pid	Process
2872	tmpE927.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2872	tmpE927.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2464	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe
2464	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.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\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmpE927.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	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.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	tmpE927.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2464	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe
Token: SeDebugPrivilege	2872	tmpE927.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 2876	2464	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe	31
PID 2464 wrote to memory of 2876	2464	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe	31
PID 2464 wrote to memory of 2876	2464	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe	31
PID 2464 wrote to memory of 2876	2464	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe	31
PID 2876 wrote to memory of 2728	2876	vbc.exe	33
PID 2876 wrote to memory of 2728	2876	vbc.exe	33
PID 2876 wrote to memory of 2728	2876	vbc.exe	33
PID 2876 wrote to memory of 2728	2876	vbc.exe	33
PID 2464 wrote to memory of 2872	2464	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe	34
PID 2464 wrote to memory of 2872	2464	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe	34
PID 2464 wrote to memory of 2872	2464	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe	34
PID 2464 wrote to memory of 2872	2464	b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe	34

C:\Users\Admin\AppData\Local\Temp\b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe
"C:\Users\Admin\AppData\Local\Temp\b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2464
- 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\mnpyddau.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2876
- - 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\RESEA7F.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcEA6E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2728
- C:\Users\Admin\AppData\Local\Temp\tmpE927.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpE927.tmp.exe" C:\Users\Admin\AppData\Local\Temp\b85e91b3a492835c273e25895c8c48c47bc24f1dba9b1411e2594399c7cf4b33.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2872

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\RESEA7F.tmp

Filesize
1KB

MD5
c4705bd54f01307cfe78b323556295a9

SHA1
ecfe0c73f308836bf2ef5944aebc806d78346641

SHA256
fb880db3877ee349f4b17009a5acc2b947303b7400def1145661a719bb4aa72e

SHA512
fce1dd9de6bfcfb766ca8ea2e28462c2dbbd001988c3f2001703fd3790b98e7a767c86dc7832c707522ac3d1b1fe08e6c4fcafb2baccf51a4d6a2568af268400

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

Filesize
15KB

MD5
f3f2aae54b35902c001866626901fdf5

SHA1
4fae047cead95770d6a1beda7d07add3fe16ceaa

SHA256
f39b2f9b0c4310ed72e1032605f71804243ecceef8eb880cf07f4d6512e9c125

SHA512
010f39912bc2b6efa71b1d3a16132ed6c8024215bbc8ae49781f834957f58c3247586a5a35556ff4f9f7790c0bdfae17f9dbf99163bd48322e652f9deab17045

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

Filesize
266B

MD5
13072e2e2a364c1df0443a81aa1e828e

SHA1
efe510617ba57cb004da54fe804cdc2e77eeff5b

SHA256
78fed48f78c95ce742221b55064fdebb076f5f460c3bc0e29f4667b69130bbb5

SHA512
c07a5d99997d8776b1cbc49536b0faf71a860fc060fea68224273bcc25d4f1c96baf24ee4ce4580bebfedabfcfcc1e921972525f24caf64f27bbc99db29f2976

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE927.tmp.exe

Filesize
78KB

MD5
0be7bbcc7c454acf1817ccef569447f8

SHA1
6a647cb4d54082d65836e9a8266331c3dbf3f4f0

SHA256
6291cd8031870497d29b28de5bc3d5f6cba21fb819ff76ca07f8ffe3417e998f

SHA512
037c3ef8117042ce65a21cee5cc0b5f550b900b181e09464ba90c8fe113babf74ab0083af6e6903b4cfbf5e28169f2019523ed42b18eebfc7191dda3d770a58f

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcEA6E.tmp

Filesize
660B

MD5
22d22f6dc9b4920d418df49a8b2c6174

SHA1
ccc9b140c80b653fc80111da6a4f791e9c0c81f7

SHA256
a6975689bc34e725835ddfccd16062de02f120e1e5bc1477693dc4a383c34f8e

SHA512
5b28687f415643a8c95b64e1d22ec0a10a377fbfde4bf64c712f318360e1eeafd9517b0ac7f0c365f2fc4c78df3d766ae33609f4c893204a14df8ce147f69f82

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/2464-0-0x00000000740C1000-0x00000000740C2000-memory.dmp

Filesize
4KB

Download
memory/2464-1-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/2464-2-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/2464-23-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/2876-8-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download
memory/2876-18-0x00000000740C0000-0x000000007466B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads