metamorpherrat | b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7

General

Target

b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe
Size

78KB
MD5

31142bfbf1a11d7bb0fc781e4a150f60
SHA1

39802862cf1fc6fca6b3246fa54aec81ff585e62
SHA256

b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7
SHA512

0275f5dabaeae487d7adc597717358ab3d9e56446372aa7e0f16f9cce96eb478c3616c9b70dbbf8ed330b2b377e18a0ebd8a2e664c7e377e46e3967292d0e8b1
SSDEEP

1536:auHY6638dy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQte89/5V1LE:auHY53Ln7N041Qqhge89/5I

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
2916	tmp3794.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1712	b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe
1712	b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\System.XML = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\AppLaunch.exe\""	tmp3794.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	tmp3794.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe
Token: SeDebugPrivilege	2916	tmp3794.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 3008	1712	b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe	29
PID 1712 wrote to memory of 3008	1712	b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe	29
PID 1712 wrote to memory of 3008	1712	b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe	29
PID 1712 wrote to memory of 3008	1712	b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe	29
PID 3008 wrote to memory of 3024	3008	vbc.exe	31
PID 3008 wrote to memory of 3024	3008	vbc.exe	31
PID 3008 wrote to memory of 3024	3008	vbc.exe	31
PID 3008 wrote to memory of 3024	3008	vbc.exe	31
PID 1712 wrote to memory of 2916	1712	b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe	32
PID 1712 wrote to memory of 2916	1712	b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe	32
PID 1712 wrote to memory of 2916	1712	b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe	32
PID 1712 wrote to memory of 2916	1712	b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe	32

C:\Users\Admin\AppData\Local\Temp\b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe
"C:\Users\Admin\AppData\Local\Temp\b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712
- 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\yoj6q3ua.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3008
- - 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\RES388F.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc388E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3024
- C:\Users\Admin\AppData\Local\Temp\tmp3794.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp3794.tmp.exe" C:\Users\Admin\AppData\Local\Temp\b3ef4701f85b953d37bb7c01d3e5d883fd48e5b42b1778c3ac154d439eefbdb7N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2916

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\RES388F.tmp

Filesize
1KB

MD5
188d8f5322ddc6746542a5fa10ab0234

SHA1
288ddaea2040b106c37be7a6ab8a60aaf7897b06

SHA256
df63d784a1316408ffff4696af4b9bab2becf3c92b0c8cf56804d200cae6f884

SHA512
2f914705492587f189d45902a40c02cd6dd32c5a382afa178e6b20c5b2e10f9a1571e7e6579e9ce483fe4f8a95ecc265539509bae15af47cb379971dd30cd907

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3794.tmp.exe

Filesize
78KB

MD5
6dcf0bc446906809eef6c99508061d47

SHA1
cc68e0944c444cfcc76b850d079c302e0011158b

SHA256
55e0d6d8f639797285408a8c2910844c5e8fab7b434df58c3084faecb9e4471b

SHA512
b0e1d8753db5fd13a5dfd8e2954396e536427b8eee11277bdbc4c604f1743e9d0e2f8fe6ba4ea9c4d3243b474e7f6c6d186ae69c8c9a67869c58b23be37f1624

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc388E.tmp

Filesize
660B

MD5
f72b1fa9faf598a717f0fa4a28df2fe1

SHA1
d96690114bebe0ab9c26a6f5d367e6fcf0a0310b

SHA256
42b29f2e1296266e327d5fc176385628bb5d72028aa3c13855ce356dfa95ab40

SHA512
0e2323b304182ba0dc21141669cfaaa4122e3ff9db66f0d07a166231c3c6cf195272f197391afb8a86d55fb3ecdb2305b7a873bc113f170643fe696b0d7c2134

Download Submit
C:\Users\Admin\AppData\Local\Temp\yoj6q3ua.0.vb

Filesize
15KB

MD5
de3c8594aa8bedbd6e83e001d87822fb

SHA1
7a934c14a8a74920781cf057126cfa6983271771

SHA256
2b4b96e5e22dddf83b966c551d4beaa2dd77ad470c1e7705acf62b19425624ce

SHA512
4080a2b402c49d6a18865c44eb876e36734188052b2900241659c6f9f9f1393e7f09a8a4c5b077690ba7baedd9792e8c6a55de5bef7c0f04c1af87bb37ac0045

Download Submit
C:\Users\Admin\AppData\Local\Temp\yoj6q3ua.cmdline

Filesize
266B

MD5
c3e1ee5521ba1f6c7e011be4063993d4

SHA1
7feacae06369e5cf9779986fee0763547f185639

SHA256
6d74ad4771a2fef00fdb726e26acd389afa0f719f3e0775d97fe097f91443487

SHA512
9c2273c2553e47d4df49a0a904d352e0bbd5c7bc35fded31275c5a8c7efe5cc8e408f212482948a889a63599f175805ebcd9651f44d09f72ab3c2a9d53e9e49f

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

Filesize
62KB

MD5
aa4bdac8c4e0538ec2bb4b7574c94192

SHA1
ef76d834232b67b27ebd75708922adea97aeacce

SHA256
d7dbe167a7b64a4d11e76d172c8c880020fe7e4bc9cae977ac06982584a6b430

SHA512
0ec342286c9dbe78dd7a371afaf405232ff6242f7e024c6640b265ba2288771297edbb5a6482848daad5007aef503e92508f1a7e1a8b8ff3fe20343b21421a65

Download Submit
memory/1712-0-0x00000000746A1000-0x00000000746A2000-memory.dmp

Filesize
4KB

Download
memory/1712-1-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/1712-2-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/1712-24-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/3008-8-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download
memory/3008-18-0x00000000746A0000-0x0000000074C4B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads