metamorpherrat | 46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863ee

General

Target

46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.exe
Size

78KB
MD5

3eade96ff4f99d2abb78de49abc6ebe0
SHA1

b36254d2f81c0d98e4ecc205cbe0e2e7c0a363bb
SHA256

46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863ee
SHA512

e94a7449302f37f6e2aab9747a10770306a999945c119bebd8dc2beaa87cb32df932c90251450693c18d8c463aca6253e59f0b400549aca9c96fd66a78d49c2c
SSDEEP

1536:BHFo6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQteN9/01pP:BHFonhASyRxvhTzXPvCbW2UeN9/0

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
2672	tmpE14A.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1840	46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.exe
1840	46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpE14A.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	46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.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	tmpE14A.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1840	46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.exe
Token: SeDebugPrivilege	2672	tmpE14A.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 2968	1840	46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.exe	31
PID 1840 wrote to memory of 2968	1840	46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.exe	31
PID 1840 wrote to memory of 2968	1840	46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.exe	31
PID 1840 wrote to memory of 2968	1840	46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.exe	31
PID 2968 wrote to memory of 2716	2968	vbc.exe	33
PID 2968 wrote to memory of 2716	2968	vbc.exe	33
PID 2968 wrote to memory of 2716	2968	vbc.exe	33
PID 2968 wrote to memory of 2716	2968	vbc.exe	33
PID 1840 wrote to memory of 2672	1840	46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.exe	34
PID 1840 wrote to memory of 2672	1840	46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.exe	34
PID 1840 wrote to memory of 2672	1840	46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.exe	34
PID 1840 wrote to memory of 2672	1840	46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.exe	34

C:\Users\Admin\AppData\Local\Temp\46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.exe
"C:\Users\Admin\AppData\Local\Temp\46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1840
- 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\guu_ulzk.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2968
- - 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\RESE245.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcE244.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2716
- C:\Users\Admin\AppData\Local\Temp\tmpE14A.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpE14A.tmp.exe" C:\Users\Admin\AppData\Local\Temp\46f544419567b69302e1e49fb3c9a1d77e38d18706b255c448505829df0863eeN.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2672

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\RESE245.tmp

Filesize
1KB

MD5
eea106bb2d200ce7c26bd9f435b653de

SHA1
62eecb6e155d27a08ef7e6b89ba5f545288ad93d

SHA256
6317162ba5a0a7bd1fe0babffde8c5129ae110dd5f1ae3d2eb01b95ab2d9845d

SHA512
a42c399aa46faf61a55c955d3e0fd572bdde500ddb94386a837a21a4e629d9198c1f40a84d9b0aad52c87e77f16642ba7426cf95491a83ff3cbfec8547f748e9

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

Filesize
15KB

MD5
2293e82bd5044d3eed085d85daf2da94

SHA1
b1b59d2a43e6cf2c680419d87654675acb261f9d

SHA256
1e6a861373f92657ec971dbf3924edcc3a395055857c6283d5ebd4b9ca6e159f

SHA512
766d8fad4d4d0009242de67ddbed17cfb30fd6b5d287528b9ea05620f10885c3726bf8e7a877edce23e792bcb60c111bcfd541d31b20b4d46ea3f3971a936577

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

Filesize
266B

MD5
0280317d04da49c42dfeb1ddf60b53b5

SHA1
66c258efb583688533bdd58f3eb1e5873dfb17b9

SHA256
73a65c068defa5f7d62e70747bed7aa878cde09c79b2b9c7f99296fdf174fabb

SHA512
46954c353bd3fc1c9f291ae300eadec2017324b69af5a454855e02cb79ef6ccc433d15367be082008331b4bc06103cc99e129916a609b492b36b2fa012bce05e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE14A.tmp.exe

Filesize
78KB

MD5
44604f5c847726481561d92a59540f74

SHA1
f5f558f17b0c86ce95d7b36542d1d2430f8ca5b5

SHA256
6fd0bba099d04de8e914c4abe70edfbc4f7811d03c730782cde4955a4837634f

SHA512
ad4c016ac05b5717e6cc67bd205da9abd7226b1b1e3a4875a13ddd00a5fbb8d9efbebbbd1a6b9f6f080ba11af9cd135439d730b89701a2e51fa47c5284d8bf9f

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcE244.tmp

Filesize
660B

MD5
86d7999c91836586c5a34bdd035dcda1

SHA1
f322ebde19a1bbd02df066c317a9d7b7fe88e4de

SHA256
14fa7ed653616e64ecc0087fea72b25946bc15562f1f84d69497de7db9d93bcc

SHA512
329fde51e0903a375118b2b5d953583b4fcba19d6c28f162a77b725e3df766fc087c2a6700d4f9cb3a198e0c11dfa3ebc3f8e9fd1cdb5a2a0a93706c8e0462d7

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1840-0-0x0000000074D21000-0x0000000074D22000-memory.dmp

Filesize
4KB

Download
memory/1840-1-0x0000000074D20000-0x00000000752CB000-memory.dmp

Filesize
5.7MB

Download
memory/1840-2-0x0000000074D20000-0x00000000752CB000-memory.dmp

Filesize
5.7MB

Download
memory/1840-24-0x0000000074D20000-0x00000000752CB000-memory.dmp

Filesize
5.7MB

Download
memory/2968-8-0x0000000074D20000-0x00000000752CB000-memory.dmp

Filesize
5.7MB

Download
memory/2968-18-0x0000000074D20000-0x00000000752CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads