54c00fab9df18120f8b2e35d6f003560884fe4b7bd42045342bbd9d486a34852

General

Target

54c00fab9df18120f8b2e35d6f003560884fe4b7bd42045342bbd9d486a34852.exe
Size

651KB
MD5

0a5846b400109e81d1c74ef46f4239bd
SHA1

4dc04899da6e271ce95d6108387fa6ba1572616a
SHA256

54c00fab9df18120f8b2e35d6f003560884fe4b7bd42045342bbd9d486a34852
SHA512

10a2455497f3c8febf570c7256837969367a57cd6f81228bb2e53971b0f29cc9244834794760f5679b3d732eb5abe9ef2f3bf002ecb4b359c07b49c8c7cccd71
SSDEEP

12288:9NsD2doLiex/sBoCLC+qoNvUbCizMgoEkKL0ys:98vCvC+dUbLYgodys

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1736	windata.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
496	netsh.exe

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	54c00fab9df18120f8b2e35d6f003560884fe4b7bd42045342bbd9d486a34852.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b57b26bcdbddbc9b677b3f0352b5d8e0.exe	windata.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b57b26bcdbddbc9b677b3f0352b5d8e0.exe	windata.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b57b26bcdbddbc9b677b3f0352b5d8e0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windata.exe\" .."	windata.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b57b26bcdbddbc9b677b3f0352b5d8e0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windata.exe\" .."	windata.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch.new	54c00fab9df18120f8b2e35d6f003560884fe4b7bd42045342bbd9d486a34852.exe
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\enterprisesec.config.cch.new	54c00fab9df18120f8b2e35d6f003560884fe4b7bd42045342bbd9d486a34852.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe
1736	windata.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	windata.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 1736	1780	54c00fab9df18120f8b2e35d6f003560884fe4b7bd42045342bbd9d486a34852.exe	82
PID 1780 wrote to memory of 1736	1780	54c00fab9df18120f8b2e35d6f003560884fe4b7bd42045342bbd9d486a34852.exe	82
PID 1736 wrote to memory of 496	1736	windata.exe	83
PID 1736 wrote to memory of 496	1736	windata.exe	83

C:\Users\Admin\AppData\Local\Temp\54c00fab9df18120f8b2e35d6f003560884fe4b7bd42045342bbd9d486a34852.exe
"C:\Users\Admin\AppData\Local\Temp\54c00fab9df18120f8b2e35d6f003560884fe4b7bd42045342bbd9d486a34852.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Users\Admin\AppData\Local\Temp\windata.exe
  "C:\Users\Admin\AppData\Local\Temp\windata.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1736
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\windata.exe" "windata.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:496

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\windata.exe

Filesize
651KB

MD5
0a5846b400109e81d1c74ef46f4239bd

SHA1
4dc04899da6e271ce95d6108387fa6ba1572616a

SHA256
54c00fab9df18120f8b2e35d6f003560884fe4b7bd42045342bbd9d486a34852

SHA512
10a2455497f3c8febf570c7256837969367a57cd6f81228bb2e53971b0f29cc9244834794760f5679b3d732eb5abe9ef2f3bf002ecb4b359c07b49c8c7cccd71

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

Filesize
651KB

MD5
0a5846b400109e81d1c74ef46f4239bd

SHA1
4dc04899da6e271ce95d6108387fa6ba1572616a

SHA256
54c00fab9df18120f8b2e35d6f003560884fe4b7bd42045342bbd9d486a34852

SHA512
10a2455497f3c8febf570c7256837969367a57cd6f81228bb2e53971b0f29cc9244834794760f5679b3d732eb5abe9ef2f3bf002ecb4b359c07b49c8c7cccd71

Download Submit
memory/1736-136-0x000000001BB40000-0x000000001C576000-memory.dmp

Filesize
10.2MB

Download
memory/1780-132-0x000000001C670000-0x000000001D0A6000-memory.dmp

Filesize
10.2MB

Download

Analysis

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