metamorpherrat | ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166

Analysis

max time kernel
4294211s
max time network
154s
platform
windows7_x64
resource
win7-20220311-en
submitted
26-03-2022 17:58

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General

Target

ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe
Size

78KB
MD5

0efed81f5339c0ad460c250ca39ff618
SHA1

e46747bc89bc7e78c9ab7e9c5168073b4fb8fb55
SHA256

ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166
SHA512

5f7775f59092f2dd1cb33a5e888ab3bc2f2312454780732b7888d3b85523c8167e225832f7c8b8b720d34ec690c65468bcf4ffe081270c887153381277dfcd98

Score

10^/10

metamorpherrat 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
Executes dropped EXE 1 IoCs

Processes:

tmp40E7.tmp.exe

pid process

564 tmp40E7.tmp.exe
Deletes itself 1 IoCs

Processes:

tmp40E7.tmp.exe

pid process

564 tmp40E7.tmp.exe

pid	process
564	tmp40E7.tmp.exe

pid	process
564	tmp40E7.tmp.exe

Loads dropped DLL 2 IoCs

Processes:

ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe

pid	process
1072	ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe
1072	ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.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

T1060

Modify Registry

T1112

Processes:

tmp40E7.tmp.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run\System.XML = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\AppLaunch.exe\""	tmp40E7.tmp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exetmp40E7.tmp.exe

description	pid	process
Token: SeDebugPrivilege	1072	ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe
Token: SeDebugPrivilege	564	tmp40E7.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exevbc.exe

description	pid	process	target process
PID 1072 wrote to memory of 1908	1072	ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe	vbc.exe
PID 1072 wrote to memory of 1908	1072	ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe	vbc.exe
PID 1072 wrote to memory of 1908	1072	ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe	vbc.exe
PID 1072 wrote to memory of 1908	1072	ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe	vbc.exe
PID 1908 wrote to memory of 1956	1908	vbc.exe	cvtres.exe
PID 1908 wrote to memory of 1956	1908	vbc.exe	cvtres.exe
PID 1908 wrote to memory of 1956	1908	vbc.exe	cvtres.exe
PID 1908 wrote to memory of 1956	1908	vbc.exe	cvtres.exe
PID 1072 wrote to memory of 564	1072	ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe	tmp40E7.tmp.exe
PID 1072 wrote to memory of 564	1072	ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe	tmp40E7.tmp.exe
PID 1072 wrote to memory of 564	1072	ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe	tmp40E7.tmp.exe
PID 1072 wrote to memory of 564	1072	ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe	tmp40E7.tmp.exe

C:\Users\Admin\AppData\Local\Temp\ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe
"C:\Users\Admin\AppData\Local\Temp\ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1072

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\usvmhsw2.cmdline"
2⤵
- Suspicious use of WriteProcessMemory
PID:1908

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\RES427D.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc426D.tmp"
3⤵
PID:1956

C:\Users\Admin\AppData\Local\Temp\tmp40E7.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp40E7.tmp.exe" C:\Users\Admin\AppData\Local\Temp\ec41f7337218bc61b7f109190b36ba9d66a0118d475bc08ce51926fb79666166.exe
2⤵
- Executes dropped EXE
- Deletes itself
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:564

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

T1064

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Scripting

T1064

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES427D.tmp
Filesize
1KB

MD5
02e944f70b809e5fcb7866c304461d88

SHA1
da0312db706e7c02e4f101c5457619bf24103ffd

SHA256
74273b4eda6adc0b40e1f46ffe462ab3c926ccbf2700f02c6e1f8a8fe4dbd5b2

SHA512
50c69fa5f5dbe93a6ccab953ff44090205dd7ce7c71105ad0710eb24b95fb1d6be03704eaaca3aea5f7657cd50bc61f40b0b2718a7f679fb52fa228871acd7ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp40E7.tmp.exe
Filesize
78KB

MD5
692eef7ac1a141aadbea01fa78932d86

SHA1
59e63fd71e8ba95d5a8341334326d5c9dfc0fecc

SHA256
7fb77859a5f75373279f77fe482e945cf33dcf449e5dcdfb4306e1ce8278cf2e

SHA512
6db0188fe03c3d0737531a553678ddb97d1a5e1b145a40cbd1388c7e443c0b88ac9a3c4b0182980b8ddfdbf568712bd8f59dcdf556ed30b14e3034e27b715b1b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp40E7.tmp.exe
Filesize
78KB

MD5
692eef7ac1a141aadbea01fa78932d86

SHA1
59e63fd71e8ba95d5a8341334326d5c9dfc0fecc

SHA256
7fb77859a5f75373279f77fe482e945cf33dcf449e5dcdfb4306e1ce8278cf2e

SHA512
6db0188fe03c3d0737531a553678ddb97d1a5e1b145a40cbd1388c7e443c0b88ac9a3c4b0182980b8ddfdbf568712bd8f59dcdf556ed30b14e3034e27b715b1b

Download Submit
C:\Users\Admin\AppData\Local\Temp\usvmhsw2.0.vb
Filesize
15KB

MD5
c74a62516fc1100196d8376795c2f382

SHA1
026fad7a9bd564056f5b0094033ebccfbd916cd9

SHA256
0654559f8e56aa1f90aec70bf3f79c06a813a35b9279315647f5d9deb9123bf7

SHA512
51d2ca881256d272265681cddb5b62af361d138be506e457bfb61ca2be877828af427c5987c104259badec8eb9c7bfd5f159c2a915414bc0bc80eedeb04f5497

Download Submit
C:\Users\Admin\AppData\Local\Temp\usvmhsw2.cmdline
Filesize
266B

MD5
844f442290de7e0a9f406b07271c3c13

SHA1
4593cebf84a8a5f46b075c06bdc382ba7249e338

SHA256
20c37a27abbe3c463732536875fd298e44ac93eb59ee7471e54172239753e0c7

SHA512
f50b39c012ea0f4faaf88c8f040c2c0a4d0f7212098b759c310b6cd15984f4230977a85aaf4871e699ea8682b30c0da6f9f460e5168c0bd5d5a2a5acddb47d09

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc426D.tmp
Filesize
660B

MD5
3ab9c493621771b1b600549cd93687a2

SHA1
5cce5524f59a707ea63ba9878fbc6c0403d62dcd

SHA256
d5a0f6c8fab2d991826c327900938b69be405822e99abf2d04c9df0e8573f733

SHA512
74c7ffc9f937f5e3e5d34717bd4efc5bb569661fe32ba0fc9e3c395492cb7452eeb8be498ad08e3086d2898b8f5f922fbd7e1dd106fad3584ed19910ce399bed

Download Submit
C:\Users\Admin\AppData\Local\Temp\zCom.resources
Filesize
62KB

MD5
aa4bdac8c4e0538ec2bb4b7574c94192

SHA1
ef76d834232b67b27ebd75708922adea97aeacce

SHA256
d7dbe167a7b64a4d11e76d172c8c880020fe7e4bc9cae977ac06982584a6b430

SHA512
0ec342286c9dbe78dd7a371afaf405232ff6242f7e024c6640b265ba2288771297edbb5a6482848daad5007aef503e92508f1a7e1a8b8ff3fe20343b21421a65

Download Submit
\Users\Admin\AppData\Local\Temp\tmp40E7.tmp.exe
Filesize
78KB

MD5
692eef7ac1a141aadbea01fa78932d86

SHA1
59e63fd71e8ba95d5a8341334326d5c9dfc0fecc

SHA256
7fb77859a5f75373279f77fe482e945cf33dcf449e5dcdfb4306e1ce8278cf2e

SHA512
6db0188fe03c3d0737531a553678ddb97d1a5e1b145a40cbd1388c7e443c0b88ac9a3c4b0182980b8ddfdbf568712bd8f59dcdf556ed30b14e3034e27b715b1b

Download Submit
\Users\Admin\AppData\Local\Temp\tmp40E7.tmp.exe
Filesize
78KB

MD5
692eef7ac1a141aadbea01fa78932d86

SHA1
59e63fd71e8ba95d5a8341334326d5c9dfc0fecc

SHA256
7fb77859a5f75373279f77fe482e945cf33dcf449e5dcdfb4306e1ce8278cf2e

SHA512
6db0188fe03c3d0737531a553678ddb97d1a5e1b145a40cbd1388c7e443c0b88ac9a3c4b0182980b8ddfdbf568712bd8f59dcdf556ed30b14e3034e27b715b1b

Download Submit
memory/564-66-0x0000000000000000-mapping.dmp

Download
memory/564-69-0x0000000074120000-0x00000000746CB000-memory.dmp

Filesize
5.7MB

Download
memory/564-70-0x0000000000295000-0x00000000002A6000-memory.dmp

Filesize
68KB

Download
memory/1072-62-0x00000000746D0000-0x0000000074C7B000-memory.dmp

Filesize
5.7MB

Download
memory/1072-54-0x00000000763D1000-0x00000000763D3000-memory.dmp

Filesize
8KB

Download
memory/1908-55-0x0000000000000000-mapping.dmp

Download
memory/1956-59-0x0000000000000000-mapping.dmp

Download