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

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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe

Executes dropped EXE 1 IoCs

pid	Process
4516	tmp5A60.tmp.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-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\peverify = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft.CSharp.exe\""	tmp5A60.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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp5A60.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	636	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe
Token: SeDebugPrivilege	4516	tmp5A60.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 4088	636	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe	88
PID 636 wrote to memory of 4088	636	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe	88
PID 636 wrote to memory of 4088	636	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe	88
PID 4088 wrote to memory of 2664	4088	vbc.exe	91
PID 4088 wrote to memory of 2664	4088	vbc.exe	91
PID 4088 wrote to memory of 2664	4088	vbc.exe	91
PID 636 wrote to memory of 4516	636	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe	92
PID 636 wrote to memory of 4516	636	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe	92
PID 636 wrote to memory of 4516	636	c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe	92

C:\Users\Admin\AppData\Local\Temp\c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe
"C:\Users\Admin\AppData\Local\Temp\c8b6d9a3cfbd73dd39b8ec843de7f6de4972ea8e487072e07136351fad731ba4N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:636
- 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\fxjcklzr.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4088
- - 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\RES5B98.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcA5806FB167B74AEE9A51A17103B1687.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2664
- C:\Users\Admin\AppData\Local\Temp\tmp5A60.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp5A60.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:4516

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

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\RES5B98.tmp

Filesize
1KB

MD5
07f8dc7c609430cf0af513a5c0f9486c

SHA1
267bde791cfc3d53af63f593d27e844f0e08a256

SHA256
20e3a3321c5bb285e0f3129811096e1435e0501d0f7321f59fd744115e5a4437

SHA512
65d983a03f99962ada6576eeaf1ff4dccae951e99b031c9b40abe54ec128450d0cedc0e6c863163f4485d5d55f7aebd9aad9fbdb73f5dfa7c43b3b8e029b4e0c

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

Filesize
14KB

MD5
f5203efb38f2a2eeaa5f54166c3e96bc

SHA1
d99c4371a4bb80d9a315a040d3bf4a0353003e99

SHA256
334b2fa2e56a3b173ba7e456f2005cdd09b6e7f64d79119a02b22840dd2dc1c1

SHA512
771790d7d8ebd9794a37144e21eaeb10fca458850874bd69162af662329fb448c5d9483bab4bf90d94b4957249e255a42887b8601d6fb9e13a9676fa1ed9abf7

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

Filesize
266B

MD5
5209c10ff913073fabe3b5c0742dc54a

SHA1
e717e6263bd6e7be17830aeb858375a8dfd4721f

SHA256
ef204b685b6eabece172c2dbca25e7463dc58a6174957e49869764f7dab7b44a

SHA512
4d93459b7a374c61870dc12048d6cb6bd4efdfe2673a711a229a2c6e2098d979e0813642a5fa1de5c95130cc0b540d5b6390b5d7ddf8712e21fa88a10d1c932c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5A60.tmp.exe

Filesize
78KB

MD5
cf24a7ed000acc4539b224bd45862aba

SHA1
b58af9b4f802090f997f6b1d6110a5dfba2a6be7

SHA256
52a072d5b34ac6e8b1fab68f85493907b52871b34d0c925f7beddca57d0c125a

SHA512
cc434ce10aec75cdea78144eece3a2914a6193162bff6b41f534fbcf854138be77966f1bcb376459069427765bbd958774d46bb1ee6844a1de78100e6c29d578

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcA5806FB167B74AEE9A51A17103B1687.TMP

Filesize
660B

MD5
3e4022aa017dcb0cdd358f8097eee0ea

SHA1
e66d615db939578873cb5ef2ec59b6cd4ced1678

SHA256
5a9e2c3a238cd82bc4b9957bcf59c21454f69e1070358051a1cd961578d97071

SHA512
360cfa13149bdec61322e43b76bfcdfb4b95db724e3594b134791822784d340ef0018b31dd01fc6cde191e304f8fb77e575733b8abca6e87ff29a031ccf2f9b6

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

Filesize
62KB

MD5
8b25b4d931908b4c77ce6c3d5b9a2910

SHA1
88b65fd9733484c8f8147dad9d0896918c7e37c7

SHA256
79c261ab6b394ee23ab0fd0af48bcd96f914c6bb88b36b6815b6bbf787ecd56e

SHA512
6d954066cec5eca118601f2f848f5c9deebe3761ac285c6d45041df22e4bc4e9e2fd98c1aa4fbb6b9c735151bf8d5fffa5acddf7060a4cf3cb7e09271a4a926d

Download Submit
memory/636-1-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/636-2-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/636-0-0x00000000747E2000-0x00000000747E3000-memory.dmp

Filesize
4KB

Download
memory/636-22-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4088-9-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4088-18-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4516-23-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4516-24-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4516-26-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4516-27-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4516-28-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4516-29-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4516-30-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads