f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5

General

Target

f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
Size

1.1MB
MD5

40162efe8b87462998c769fa5aa1e99e
SHA1

fad71527956d5cc44601a681a5d92e9e459565c8
SHA256

f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5
SHA512

ef41c6c8a72fa2b1f203f5cf73648df359cf39cedebabf20801dc492fde06550cf8bed05fca1e16b1543017e8db4774a25ea7922471d4b0b3608583e271afbb7
SSDEEP

24576:mtb20pkaCqT5TBWgNQ7azb7Lh3i0GzxmCTHUWlI7L6A:TVg5tQ7an7LsDBJS5

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

28109.exe

pid process

1428 28109.exe

pid	process
1428	28109.exe

Loads dropped DLL 4 IoCs

Processes:

f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe

pid	process
1228	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1228	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1228	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1228	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

28109.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	28109.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\WerFault = "C:\\Users\\Admin\\AppData\\Roaming\\28109.exe"	28109.exe

AutoIT Executable 6 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\28109.exe	autoit_exe
\Users\Admin\AppData\Roaming\28109.exe	autoit_exe
\Users\Admin\AppData\Roaming\28109.exe	autoit_exe
\Users\Admin\AppData\Roaming\28109.exe	autoit_exe
C:\Users\Admin\AppData\Roaming\28109.exe	autoit_exe
C:\Users\Admin\AppData\Roaming\28109.exe	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

28109.exe

description pid process target process

PID 1428 set thread context of 580 1428 28109.exe vbc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 1428 set thread context of 580	1428	28109.exe	vbc.exe

NTFS ADS 3 IoCs

Processes:

f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe28109.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe:Zone.Identifier:$DATA	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
File created	C:\Users\Admin\AppData\Roaming\28109.exe\:Zone.Identifier:$DATA	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\28109.exe:Zone.Identifier:$DATA	28109.exe

Suspicious use of FindShellTrayWindow 6 IoCs

Processes:

f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe28109.exe

pid	process
1228	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1228	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1228	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1428	28109.exe
1428	28109.exe
1428	28109.exe

Suspicious use of SendNotifyMessage 6 IoCs

Processes:

f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe28109.exe

pid	process
1228	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1228	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1228	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
1428	28109.exe
1428	28109.exe
1428	28109.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe28109.exe

description	pid	process	target process
PID 1228 wrote to memory of 1428	1228	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe	28109.exe
PID 1228 wrote to memory of 1428	1228	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe	28109.exe
PID 1228 wrote to memory of 1428	1228	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe	28109.exe
PID 1228 wrote to memory of 1428	1228	f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe	28109.exe
PID 1428 wrote to memory of 580	1428	28109.exe	vbc.exe
PID 1428 wrote to memory of 580	1428	28109.exe	vbc.exe
PID 1428 wrote to memory of 580	1428	28109.exe	vbc.exe
PID 1428 wrote to memory of 580	1428	28109.exe	vbc.exe
PID 1428 wrote to memory of 580	1428	28109.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe
"C:\Users\Admin\AppData\Local\Temp\f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5.exe"
1⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Users\Admin\AppData\Roaming\28109.exe
  "C:\Users\Admin\AppData\Roaming\28109.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - NTFS ADS
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1428
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:580

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\rr

Filesize
277KB

MD5
314d8cf76f7482604bc2f04a7cb53587

SHA1
3522545b6e405daf402ec06972b64ae22493df48

SHA256
fad23bb0200cb8d88fe2bea5fb0db06588f1ed14bfefadf4ada5fc8a836005be

SHA512
db40dd459161b91ffa3f7cddbabef862c2e00963184f11919586630277dbcea626d4601e9c40ae42775667815c14ed82cd5c1ae52da9fdaf9a3bc1955eaac05e

Download Submit
C:\Users\Admin\AppData\Roaming\28109.exe

Filesize
1.1MB

MD5
40162efe8b87462998c769fa5aa1e99e

SHA1
fad71527956d5cc44601a681a5d92e9e459565c8

SHA256
f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5

SHA512
ef41c6c8a72fa2b1f203f5cf73648df359cf39cedebabf20801dc492fde06550cf8bed05fca1e16b1543017e8db4774a25ea7922471d4b0b3608583e271afbb7

Download Submit
C:\Users\Admin\AppData\Roaming\28109.exe

Filesize
1.1MB

MD5
40162efe8b87462998c769fa5aa1e99e

SHA1
fad71527956d5cc44601a681a5d92e9e459565c8

SHA256
f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5

SHA512
ef41c6c8a72fa2b1f203f5cf73648df359cf39cedebabf20801dc492fde06550cf8bed05fca1e16b1543017e8db4774a25ea7922471d4b0b3608583e271afbb7

Download Submit
\Users\Admin\AppData\Roaming\28109.exe

Filesize
1.1MB

MD5
40162efe8b87462998c769fa5aa1e99e

SHA1
fad71527956d5cc44601a681a5d92e9e459565c8

SHA256
f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5

SHA512
ef41c6c8a72fa2b1f203f5cf73648df359cf39cedebabf20801dc492fde06550cf8bed05fca1e16b1543017e8db4774a25ea7922471d4b0b3608583e271afbb7

Download Submit
\Users\Admin\AppData\Roaming\28109.exe

Filesize
1.1MB

MD5
40162efe8b87462998c769fa5aa1e99e

SHA1
fad71527956d5cc44601a681a5d92e9e459565c8

SHA256
f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5

SHA512
ef41c6c8a72fa2b1f203f5cf73648df359cf39cedebabf20801dc492fde06550cf8bed05fca1e16b1543017e8db4774a25ea7922471d4b0b3608583e271afbb7

Download Submit
\Users\Admin\AppData\Roaming\28109.exe

Filesize
1.1MB

MD5
40162efe8b87462998c769fa5aa1e99e

SHA1
fad71527956d5cc44601a681a5d92e9e459565c8

SHA256
f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5

SHA512
ef41c6c8a72fa2b1f203f5cf73648df359cf39cedebabf20801dc492fde06550cf8bed05fca1e16b1543017e8db4774a25ea7922471d4b0b3608583e271afbb7

Download Submit
\Users\Admin\AppData\Roaming\28109.exe

Filesize
1.1MB

MD5
40162efe8b87462998c769fa5aa1e99e

SHA1
fad71527956d5cc44601a681a5d92e9e459565c8

SHA256
f181bf31f94705a2030506437a4f412d7004c339c1232e6abbb3e7385c50def5

SHA512
ef41c6c8a72fa2b1f203f5cf73648df359cf39cedebabf20801dc492fde06550cf8bed05fca1e16b1543017e8db4774a25ea7922471d4b0b3608583e271afbb7

Download Submit
memory/580-65-0x0000000000409860-mapping.dmp

Download
memory/1228-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/1428-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads