metamorpherrat | c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4

General

Target

c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe
Size

78KB
MD5

9a201d92f825795b6af400ba8339eb60
SHA1

b0c7e362c143f9c09927b53a055a9b3a53fca320
SHA256

c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4
SHA512

3a29479e017b59c5d8e90665c76fbea39dd0ca0ea3e4bbcaac38d61019a3e00a956f84f70a81c19d51af6f572e419fa8d615588c606c4bf80dc4992c914a7c19
SSDEEP

1536:fPWV5jS4vZv0kH9gDDtWzYCnJPeoYrGQty6i9/UP1A3:fPWV5jS4l0Y9MDYrm7q9/UM

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
2884	tmp5AEC.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2032	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe
2032	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\peverify = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft.CSharp.exe\""	tmp5AEC.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	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.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	tmp5AEC.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2032	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe
Token: SeDebugPrivilege	2884	tmp5AEC.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 2548	2032	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe	28
PID 2032 wrote to memory of 2548	2032	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe	28
PID 2032 wrote to memory of 2548	2032	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe	28
PID 2032 wrote to memory of 2548	2032	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe	28
PID 2548 wrote to memory of 2620	2548	vbc.exe	30
PID 2548 wrote to memory of 2620	2548	vbc.exe	30
PID 2548 wrote to memory of 2620	2548	vbc.exe	30
PID 2548 wrote to memory of 2620	2548	vbc.exe	30
PID 2032 wrote to memory of 2884	2032	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe	31
PID 2032 wrote to memory of 2884	2032	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe	31
PID 2032 wrote to memory of 2884	2032	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe	31
PID 2032 wrote to memory of 2884	2032	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe	31

C:\Users\Admin\AppData\Local\Temp\c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe
"C:\Users\Admin\AppData\Local\Temp\c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032
- 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\khh0ix4n.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2548
- - 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\RES5BC7.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc5BC6.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2620
- C:\Users\Admin\AppData\Local\Temp\tmp5AEC.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp5AEC.tmp.exe" C:\Users\Admin\AppData\Local\Temp\c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2884

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\RES5BC7.tmp

Filesize
1KB

MD5
b698211281662e32d6026a32e61dd0cb

SHA1
fc235755aa8ff3a3859ca48bcab04b03d94ed64a

SHA256
d20bddf2e61c3b032658dba6cd737b12a79e3f29677ce4c82a115344be13155b

SHA512
9c460d39e99a4625214c5164320e83dbbe27296f2a2c14820c52617f663d37a845bae855e2220625ddeea9cc07a127c15794abccb64dd7e2f3fb2605b555443c

Download Submit
C:\Users\Admin\AppData\Local\Temp\khh0ix4n.0.vb

Filesize
14KB

MD5
40fea38697c10b80980b5e214037c639

SHA1
9281cbb8c80b768609a531804bbbdf6f8816f94f

SHA256
ba3bab59b90e921ef7672301d5e61439441ab504c06657c02ed02e6c094b8de0

SHA512
f3a36021974add1b6ade7d0cdfa21e5ad3eab3c4e070bcaca95c1d4845ac7dadb6b8dd2e64ad5d4d09b588cdef11a86c0cd0d94b5c424c3d4da3ce5e688988cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\khh0ix4n.cmdline

Filesize
266B

MD5
f7618b6ad9017d7961cf316295ba4c58

SHA1
0f62b2bcc396950579fc15cb490e5934ec12e68b

SHA256
45cdef32fb5ce265a0643a387e62f165887562b05f351051197672a745cbe61f

SHA512
985686e14eb5e9a0d5e55eb447400fa147edc65e0a02acd13b86b19f396ddedda09cac29a97cd0b8a870e15a3d8880b5bbc6d642174492d14ebca9f3b7581429

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5AEC.tmp.exe

Filesize
78KB

MD5
395eba2c120a85d7699fc4ba45301f03

SHA1
f8fe1453143c05b5cf676ea1cb8f23b3de860f76

SHA256
67dc03c4273c268760d4a7c89088bd7d6077c2c03df03c1f6c66d633574731de

SHA512
fbc4788bd6fc7593d5b0d1feb235f92d03967bb5fc7531cc3a79dde12210d4224a846d1943e61c17ffd17103e601e3231f33dd81f02ac38b1c87e5075fb09ff1

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc5BC6.tmp

Filesize
660B

MD5
93733d79da3a6078310fd51afe01ac9a

SHA1
bc0b455b1dcebfee352c0add7657831451f19491

SHA256
4e7f243fecfd8eed56c39e8d1ac49db7c2b76f1b1d6795bcd2a5cfb1b97d9ae3

SHA512
f75f60165aeb063acdd3f11340467494e2b06ccf884737119a58b92ef32ae6ea9975e9082f764e97c80ca745313b2cb0d08e1726fb18d4d3a5123750bf22909e

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

Filesize
62KB

MD5
8b25b4d931908b4c77ce6c3d5b9a2910

SHA1
88b65fd9733484c8f8147dad9d0896918c7e37c7

SHA256
79c261ab6b394ee23ab0fd0af48bcd96f914c6bb88b36b6815b6bbf787ecd56e

SHA512
6d954066cec5eca118601f2f848f5c9deebe3761ac285c6d45041df22e4bc4e9e2fd98c1aa4fbb6b9c735151bf8d5fffa5acddf7060a4cf3cb7e09271a4a926d

Download Submit
memory/2032-0-0x0000000074301000-0x0000000074302000-memory.dmp

Filesize
4KB

Download
memory/2032-1-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/2032-2-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/2032-24-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/2548-8-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/2548-18-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads