metamorpherrat | 32228062aa03a89ff81e583c8e0bd85e22e62aece98aae8acb599bc4d73274b4

General

Target

94b5fa1a2db58a329dc07d59ecc2c1b0N.exe
Size

78KB
MD5

94b5fa1a2db58a329dc07d59ecc2c1b0
SHA1

85af51d70917ea12abc99fcf9d273924a7e792b6
SHA256

32228062aa03a89ff81e583c8e0bd85e22e62aece98aae8acb599bc4d73274b4
SHA512

927bdd2c59f644b10d2b7ce5d1268bcaa64c34864c1b1aaa196b19435294ba7d96ef391ebbb7c04f3124b901e8b95902f3283d88df4de862731838be2578c548
SSDEEP

1536:CtHY6M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtRt9/RW1jA:CtHYn3xSyRxvY3md+dWWZyRt9/5

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe

Executes dropped EXE 1 IoCs

pid	Process
976	tmp6CA4.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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp6CA4.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	94b5fa1a2db58a329dc07d59ecc2c1b0N.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	tmp6CA4.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1184	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe
Token: SeDebugPrivilege	976	tmp6CA4.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 2780	1184	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe	87
PID 1184 wrote to memory of 2780	1184	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe	87
PID 1184 wrote to memory of 2780	1184	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe	87
PID 2780 wrote to memory of 2448	2780	vbc.exe	90
PID 2780 wrote to memory of 2448	2780	vbc.exe	90
PID 2780 wrote to memory of 2448	2780	vbc.exe	90
PID 1184 wrote to memory of 976	1184	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe	91
PID 1184 wrote to memory of 976	1184	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe	91
PID 1184 wrote to memory of 976	1184	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe	91

C:\Users\Admin\AppData\Local\Temp\94b5fa1a2db58a329dc07d59ecc2c1b0N.exe
"C:\Users\Admin\AppData\Local\Temp\94b5fa1a2db58a329dc07d59ecc2c1b0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1184
- 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\_xzbgy2n.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2780
- - 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\RES6D6F.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcFAF5C0B9F48E4DCE99C68A8EE01F51C9.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2448
- C:\Users\Admin\AppData\Local\Temp\tmp6CA4.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp6CA4.tmp.exe" C:\Users\Admin\AppData\Local\Temp\94b5fa1a2db58a329dc07d59ecc2c1b0N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:976

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\RES6D6F.tmp

Filesize
1KB

MD5
e7da49c4d610a1f0463c8fa27547200e

SHA1
47aeb2a56c564638a55897e2eb5c18989c3a9e37

SHA256
af3034192ade069a4714acf797f76bea57d0c43021ece6d911d8cf01bdd05773

SHA512
0325530c94eebdf7112b4d35c80e3b2b04fdc066eea958f09ae41e156fd7f4c90673d0b420d2a574cef72eba344927a228ed3ea7f295497544869f4efd6dff7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\_xzbgy2n.0.vb

Filesize
15KB

MD5
e034f24c15b12af227dd2e8ad0b9d7bb

SHA1
9dc0c99ca72d23cdf07e93504a6e6f1ba0292288

SHA256
de38b0d4744501a0358b359c2f776d767b16581de12430aedbeb2663daf010a5

SHA512
6a8f1649188f6feff27b682757d64e05530f761cf526b3a372a842c154a44bd1d643e7859b8dc0defea1cd04eccdfa8cd786cfb03295307a0ffcc4253f9d6a52

Download Submit
C:\Users\Admin\AppData\Local\Temp\_xzbgy2n.cmdline

Filesize
266B

MD5
8ec577a93671a3625a6eb80fb25ae0a1

SHA1
3c38bfd136cb1ad0e602041952ba1a200b9abc3e

SHA256
1e342ca070e43dfa5ec5258cfe75d731605905bedc818ec0737d1f5a190db3dc

SHA512
dcd3619d62c2387415524338bc561b357aa0b623c199101d17a6448124ff01f494f01977e06a36670008cdbf8edb9278b089c2a8864ed6452a6181f3582969bb

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6CA4.tmp.exe

Filesize
78KB

MD5
19eecf5cc4ffc9afd30e3194871aa5cc

SHA1
6e1833db63f8d8a03195ff0e176a84e27ea71c6f

SHA256
f5c31320acc36467f0dc520b1c50d3661841389b226230db969404196de870d9

SHA512
d424de239756c07ed0d7d696fbdbef8625ad560486a8c014a3f25cb16870450cb0a61eb4df14e47e8f7446aab6fc4ddd68c65bf867332cc8730e2de03be5bed9

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcFAF5C0B9F48E4DCE99C68A8EE01F51C9.TMP

Filesize
660B

MD5
58116bffab8d768d854b11347520c525

SHA1
3ec1d645aec4d1794f6419803a52a5b7759c6c3f

SHA256
e20b07d2623ff19abbf571daa6d7afea343ad84196018e6280d275103f5788a9

SHA512
a9c088b4518700d49b7a12f80b8476043c30a42b2712555855d56814db76d9bec18a85a923089170be79226698f3e07be7152c7ef10c2fa35b3d5ac38958caf9

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/976-24-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/976-23-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/976-25-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/976-27-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/976-28-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/976-29-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/1184-0-0x0000000074DB2000-0x0000000074DB3000-memory.dmp

Filesize
4KB

Download
memory/1184-22-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/1184-1-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/1184-2-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/2780-18-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/2780-9-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads