metamorpherrat | 20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0c

General

Target

20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.exe
Size

78KB
MD5

0c30a61d17bc596c14acceeeb6b3eb70
SHA1

576a34097c492f9012a80c629114fbf473b23c38
SHA256

20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0c
SHA512

623ea25f02c9291cf957a73bfac7095ebe86f705a8b5170138dbcc1f7e592f555e3d2c8ccb4c344e7b0ef96bd8f08d53308f16bf401ef4e530fdb3d38a5e695d
SSDEEP

1536:ptHY6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtRU9/jA1kd:ptHYnhASyRxvhTzXPvCbW2URU9/N

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
2580	tmpFBAD.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2112	20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.exe
2112	20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.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\""	tmpFBAD.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	20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.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	tmpFBAD.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.exe
Token: SeDebugPrivilege	2580	tmpFBAD.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2788	2112	20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.exe	30
PID 2112 wrote to memory of 2788	2112	20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.exe	30
PID 2112 wrote to memory of 2788	2112	20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.exe	30
PID 2112 wrote to memory of 2788	2112	20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.exe	30
PID 2788 wrote to memory of 2552	2788	vbc.exe	32
PID 2788 wrote to memory of 2552	2788	vbc.exe	32
PID 2788 wrote to memory of 2552	2788	vbc.exe	32
PID 2788 wrote to memory of 2552	2788	vbc.exe	32
PID 2112 wrote to memory of 2580	2112	20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.exe	33
PID 2112 wrote to memory of 2580	2112	20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.exe	33
PID 2112 wrote to memory of 2580	2112	20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.exe	33
PID 2112 wrote to memory of 2580	2112	20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.exe	33

C:\Users\Admin\AppData\Local\Temp\20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.exe
"C:\Users\Admin\AppData\Local\Temp\20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112
- 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\cynkuiha.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2788
- - 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\RESFC98.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcFC97.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2552
- C:\Users\Admin\AppData\Local\Temp\tmpFBAD.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpFBAD.tmp.exe" C:\Users\Admin\AppData\Local\Temp\20dcc71ef34ad78b5e63721c2faba8f071f12fe2fd7e1839186a0d62268c2c0cN.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2580

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\RESFC98.tmp

Filesize
1KB

MD5
b82fce8e518b40cd18730e39eb9ec61c

SHA1
67368f35503dd870a0c83988bcc5069875a706fe

SHA256
84f2d995f41c41d3b34b7d25d24fc68828e36995aefba85b7f27c4653b79698f

SHA512
245737c583d5c18e84a7a26a3a00d46d3084353acf6f019f6f8a8313a173a8a02f88234ff5692302e2d97d856e37758b1321e63a86d7d751f45d00a91157a7cd

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

Filesize
15KB

MD5
a6b5556c0537c28c804c988251859ec8

SHA1
f36adf08b2beb8e3ffc6c07ee7045a86daa2562c

SHA256
33d7c20f42061e90394bb01c1686be511251c21dce36efd7c4936a1090b2e0ca

SHA512
d6d28d2b64cdc94ebbb2516fb109d9a316640742a1d57f36cf203999187cceec468b43b9c7963f84bb95db3d06621054a640f154b682924baf11934aec52172c

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

Filesize
266B

MD5
5ace19933cd10e1f133e6f14a82bd786

SHA1
e2fccadc62f595dbf6b3319b2d92eddfc4856651

SHA256
bf3d4dfae24df893b72084818baa1cd90a889686285225c051234a38ea7d970f

SHA512
f9c96c892dcb8b8d4aa0d6e8df8f02ba2403fd9b2a9cf1b1844a590ba0c81b969396fd7b92d6c1d094fc99f5c025b2a740ed2b540f8010921942c4af5193f4d5

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

Filesize
78KB

MD5
dae87cc02eb33160a6449667c223f1ff

SHA1
757166a6e0594d7aad8813a3e26bb7c205d13e80

SHA256
22f1fb4212b6d68727a51530bd248c309be2c1ca4f4afed884a4efe4367c9726

SHA512
71792d7dc08310965c939ef4cf055c0e63fafd365e8b6e6455a7805acc5cf72f9d1a7897efae772b3fa988c9dd563d545e4f36c2466c14983a3ee3f2182fc056

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcFC97.tmp

Filesize
660B

MD5
ced1921bcdcd36abb62a1101ea988840

SHA1
a6b0eab822e660b23061d87f9b63f9dc587331bd

SHA256
129a288184c03ebad1b8644c8094e55665717203421863dae1c321de0771c6bd

SHA512
5c173d140742c63b5e0c4b89590c027e04fd44ff3bf9813a0b492d5d90ae58aa2bff5b0321dcd61cda273f1c2d84971f9d0e78c1d61f548421e61ed98eb4243b

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/2112-0-0x0000000074971000-0x0000000074972000-memory.dmp

Filesize
4KB

Download
memory/2112-2-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-1-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-24-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-8-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-18-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads