metamorpherrat | 1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3

General

Target

1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.exe
Size

78KB
MD5

f30d905a04787aafd07f4393b63a5660
SHA1

54c0ae409613224f5b0cd092f66f5cf4b3ab851b
SHA256

1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3
SHA512

a32c89a73e809e23ff22bf096929c74f4e636f6d537579acb809c96480c7eb285c8d6e0c053721d8f9ccd1e426faa0830503df7d89bc92f89f4f3e48efb1e5b4
SSDEEP

1536:E58fXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQt96w9/c1uB:E58/SyRxvhTzXPvCbW2UP9//

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

Deletes itself 1 IoCs

pid	Process
580	tmpCDBB.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
580	tmpCDBB.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
840	1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.exe
840	1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpCDBB.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	tmpCDBB.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.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	840	1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.exe
Token: SeDebugPrivilege	580	tmpCDBB.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 2996	840	1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.exe	31
PID 840 wrote to memory of 2996	840	1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.exe	31
PID 840 wrote to memory of 2996	840	1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.exe	31
PID 840 wrote to memory of 2996	840	1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.exe	31
PID 2996 wrote to memory of 1492	2996	vbc.exe	33
PID 2996 wrote to memory of 1492	2996	vbc.exe	33
PID 2996 wrote to memory of 1492	2996	vbc.exe	33
PID 2996 wrote to memory of 1492	2996	vbc.exe	33
PID 840 wrote to memory of 580	840	1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.exe	34
PID 840 wrote to memory of 580	840	1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.exe	34
PID 840 wrote to memory of 580	840	1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.exe	34
PID 840 wrote to memory of 580	840	1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.exe	34

C:\Users\Admin\AppData\Local\Temp\1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.exe
"C:\Users\Admin\AppData\Local\Temp\1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:840
- 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\uvkfddor.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2996
- - 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\RESCF03.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcCF02.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1492
- C:\Users\Admin\AppData\Local\Temp\tmpCDBB.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpCDBB.tmp.exe" C:\Users\Admin\AppData\Local\Temp\1f55099e7a17fc26f66f0794cb93fba7ad7515da4455f510fd687d44e86a50a3N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:580

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\RESCF03.tmp

Filesize
1KB

MD5
42c03e854caf5e6b16f8d44aa8d0061c

SHA1
25387264657cf2ee53a5302147131c69bc7dda4f

SHA256
968e21ecebf058945a6c887d445d65745e1815fca031853c66dfa3f04d190156

SHA512
5524f79ff560f460d6bae6874e421fde2915d637014f7f7011ed0558842bc37aa65ae1b15d87de4d2d5d726365b5d7036255ab37b4fe5fdbe302dd7f053f2d77

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

Filesize
78KB

MD5
b6857f5c85f05a8371bda392f3eddbf4

SHA1
edb92168352c5f99943d513bd1ef0f35822e73ff

SHA256
ad210b2cb49dd7c30916e48f36f278c47431ef7488973e343692abc9c26623f1

SHA512
13356baeb516209938136b2397e034ea81e87949a808f35c6602472d988a219271f153cb5b9bf1d059e65f21f28c46cdbe06404f905729512d52076cb07e8cd9

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

Filesize
14KB

MD5
830fc822fb58aee0ed4bbacbf000aaed

SHA1
2226877c5937fbefdc9f992bcdd64b3d419520bf

SHA256
23a64045fa309cdc1d80bdf2dae34304da9db1a27613d93c2275709700dbea41

SHA512
53a9c1858e0cf300dfaad7e7f2832286b1b5558771954f12662ac9a0d1cb0b974b6562b8089f74d8b53e34b0d9fba4e64ae07834afe3bbb221270b071cf83fc7

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

Filesize
266B

MD5
5d3d11dd5500ccecb140c09ed8e24a9f

SHA1
eae406ea850017981066dfcdcdc77bb0c54d258c

SHA256
1782040474fcf7326abe9bcf04e1a88786e2a3b2b677348b4adf5361a1c683e7

SHA512
092f4ed8c2fd48226f98e0452104744f82f2bbc87af5dc5fc0d9ea7673735b24beb65a705bb4b9899c6905855cf1cd8814d885f285636a1c489af2f5b45cea44

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcCF02.tmp

Filesize
660B

MD5
7c50f58f56424428bafec48c3dec94b2

SHA1
4d57b3eec4b25e05b266d83b9b26fe321e581686

SHA256
6b9c9271fbd2765455b91ece228903f54728c04cbc1569d79616ac9595f9b2b1

SHA512
c155b4bed94424e2a8929d071aa77491c458b98a00006783be4b0184c70ce81b56af8e40cfd4fb19c6dd020e422740a9552fc2b42ee2ede316aa8c1e95f3daaf

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/840-0-0x0000000074361000-0x0000000074362000-memory.dmp

Filesize
4KB

Download
memory/840-1-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/840-2-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/840-24-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/2996-8-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/2996-18-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads