metamorpherrat | 822bd822e6540bd7b3dedfd249f617044b122079ef4924631a241f2f31bcc2b4

General

Target

bee534f772d6d7ecbe429c77f7d15a80N.exe
Size

78KB
MD5

bee534f772d6d7ecbe429c77f7d15a80
SHA1

6487ec038d2086a324ebfaf0d6614f88d2ec3cd1
SHA256

822bd822e6540bd7b3dedfd249f617044b122079ef4924631a241f2f31bcc2b4
SHA512

e02359ec4dca58075a53798ecb9a9af23f2bc9fd48f32e830f0f45ec2bb4e120a990340f92805790037da1742c3cc4689bb5d2da89a1f260e3331d3d3f28652c
SSDEEP

1536:DRWtHY6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQteu9/L1tR:DRWtHYnhASyRxvhTzXPvCbW2Ueu9/J

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

Executes dropped EXE 1 IoCs

pid	Process
2900	tmp50AF.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2688	bee534f772d6d7ecbe429c77f7d15a80N.exe
2688	bee534f772d6d7ecbe429c77f7d15a80N.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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp50AF.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	bee534f772d6d7ecbe429c77f7d15a80N.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	tmp50AF.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	bee534f772d6d7ecbe429c77f7d15a80N.exe
Token: SeDebugPrivilege	2900	tmp50AF.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2824	2688	bee534f772d6d7ecbe429c77f7d15a80N.exe	30
PID 2688 wrote to memory of 2824	2688	bee534f772d6d7ecbe429c77f7d15a80N.exe	30
PID 2688 wrote to memory of 2824	2688	bee534f772d6d7ecbe429c77f7d15a80N.exe	30
PID 2688 wrote to memory of 2824	2688	bee534f772d6d7ecbe429c77f7d15a80N.exe	30
PID 2824 wrote to memory of 2844	2824	vbc.exe	32
PID 2824 wrote to memory of 2844	2824	vbc.exe	32
PID 2824 wrote to memory of 2844	2824	vbc.exe	32
PID 2824 wrote to memory of 2844	2824	vbc.exe	32
PID 2688 wrote to memory of 2900	2688	bee534f772d6d7ecbe429c77f7d15a80N.exe	33
PID 2688 wrote to memory of 2900	2688	bee534f772d6d7ecbe429c77f7d15a80N.exe	33
PID 2688 wrote to memory of 2900	2688	bee534f772d6d7ecbe429c77f7d15a80N.exe	33
PID 2688 wrote to memory of 2900	2688	bee534f772d6d7ecbe429c77f7d15a80N.exe	33

C:\Users\Admin\AppData\Local\Temp\bee534f772d6d7ecbe429c77f7d15a80N.exe
"C:\Users\Admin\AppData\Local\Temp\bee534f772d6d7ecbe429c77f7d15a80N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688
- 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\dfajvuzy.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2824
- - 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\RES519A.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc5199.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2844
- C:\Users\Admin\AppData\Local\Temp\tmp50AF.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp50AF.tmp.exe" C:\Users\Admin\AppData\Local\Temp\bee534f772d6d7ecbe429c77f7d15a80N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2900

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

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\RES519A.tmp

Filesize
1KB

MD5
2d592357b545ed039de95372371d0760

SHA1
ccbe60336769ca44a43ef90e48aca650ae99180f

SHA256
85ebe18ba1302e97feeee50fcdc03278f4be319fca245e10c3b86c298b4edf7d

SHA512
632c6d24a8e85da0d6852f4ba476e6f0a70d04c0d06978e00df3fe70bcfb5de8b517be7e702b8fab78bc57a5043cd5bd44614e6909483b1b34f186ad263bf9e8

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

Filesize
15KB

MD5
c2d476b176acaf0ef442d99a206f245c

SHA1
8a6beaeffc853ca8c67922a87245649d14ed66dc

SHA256
8105ff172afe2c693c7d3d46bb98b38d1997c9e068c83f41a3447c462a0b810a

SHA512
a9b2fbb2da0b12bf37aa5d631ec3aa1e1cebae53075d935b334f022c8b888b819ab38e2617051babe8500465a19ce1f44f366983b4dc3936bcb52fd7b40854bb

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

Filesize
266B

MD5
0877b5b8b64d027dc11f2e272abb751a

SHA1
d329c54b635f1c7bc6c44e9d1469c80602c9bf97

SHA256
31fe8dbec586a486ccfff3195ce0ed4975dc070dca512f5a7c32abb60d3c59e9

SHA512
7854dffc823bcf869dc312b21d47b5685166daccbda5b8461b3475f3b3b6ee913503501a522a99d7689e4986dc52304d94b264523b770a5531b51a2ee3b7e79c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp50AF.tmp.exe

Filesize
78KB

MD5
b659017ccaa4781da0213daf3980308c

SHA1
110f1b6b0f50ca78979cfd8bd2c6c4ec2b262331

SHA256
bb43e53aa7c7a92943702e422cda01a1305be576d65c99f8f897d090cb670dab

SHA512
52544c659d999c550569bef987fd80207f1e3cd8dcd51f60171aec110d02806abfa945e483bad59036098cd41bb85b7ee1956e2a2b2bb0d005a99da010696fa2

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc5199.tmp

Filesize
660B

MD5
73ee980dbd10e59f8148128dcbfde771

SHA1
d93d7fec2ed71e2dc26eea531abf8da5f1600006

SHA256
f51386ae2a20a5391de7c1613ca93ffe70547c4d989e0f545aee11f81eb947a3

SHA512
1466dad3c09327f836908b0abed290f8a330f526488e6d707f05bfebcde63976bb8186b5f77152278ab3d45341fee0ee025c44bee3ae08727550e0c019508fc9

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/2688-0-0x0000000074F81000-0x0000000074F82000-memory.dmp

Filesize
4KB

Download
memory/2688-1-0x0000000074F80000-0x000000007552B000-memory.dmp

Filesize
5.7MB

Download
memory/2688-2-0x0000000074F80000-0x000000007552B000-memory.dmp

Filesize
5.7MB

Download
memory/2688-24-0x0000000074F80000-0x000000007552B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-8-0x0000000074F80000-0x000000007552B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-18-0x0000000074F80000-0x000000007552B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads