9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3

Analysis

max time kernel
111s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 06:09

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General

Target

9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3N.exe
Size

38KB
MD5

bb7aaf3e685bde32fed41f98c6dd2ac0
SHA1

73779228d39b67872f21dbe3a2045de397f6a4e6
SHA256

9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3
SHA512

c106faec22c9ba1be3cf54cbc9f78c8712971aaac5ce0da572b9ee5ea8e9ff892da97648d25f3181e8164dde786aff9482410e7919f07aebba2e25d10a58da51
SSDEEP

768:Bc3C4zd6wl2oVZ3eNU6+qbs8ERJe4vzNT6oG57pHHIzniSfRZt+fkyR+i4HvG0T:BOHdYoVZuNUsdJmNLmHIzniSfrtu94HF

Score

7^/10

discovery persistence

Malware Config

Signatures

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3N.exe

Executes dropped EXE 1 IoCs

pid	Process
1540	winmain.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\_WinMain = "C:\\Windows\\winmain.exe"	9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\winmain.exe	9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3N.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 3 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	9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winmain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 732 wrote to memory of 1540	732	9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3N.exe	82
PID 732 wrote to memory of 1540	732	9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3N.exe	82
PID 732 wrote to memory of 1540	732	9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3N.exe	82
PID 732 wrote to memory of 3556	732	9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3N.exe	83
PID 732 wrote to memory of 3556	732	9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3N.exe	83
PID 732 wrote to memory of 3556	732	9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3N.exe	83

C:\Users\Admin\AppData\Local\Temp\9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3N.exe
"C:\Users\Admin\AppData\Local\Temp\9617032c1f8f08d9bfdda32d5774d5e159021e2263f6a61111278df8eecc4af3N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:732
- C:\Windows\winmain.exe
  "C:\Windows\winmain.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1540
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_DelItP.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\_DelItP.bat

Filesize
297B

MD5
e4b9adf2496b88d864d79357f8f1da0b

SHA1
e0f268dd9f8329bc527d2b1983464b439165e7b5

SHA256
24ffa5063b0aaab512f2388975c3f55d06757eba734fb4e7546581e660c1a792

SHA512
772fb0dd9f149ab734340a5b564777702a410e784f3912271d1f34c5ceb4b67f2063739e7004154ecbb0802a4d37c3a06b62491f0770b14989f2167c52c333f1

Download Submit
C:\Windows\winmain.exe

Filesize
38KB

MD5
3b854ab5a1952bb47d98925c47e1ece8

SHA1
45e0a5e697bf35df34fc72926b0fea77d9ac0875

SHA256
e58a182564e6e4cca8dffe0a264c42059d5324a58114b15ba0797c27acad54fb

SHA512
735c48a51efb1c461a2e1265a9cbcbe4cb630f740bcd6787c4e0ce97188ad8c63470d3ae275bbc34cd13c22c8e98be3364b3eeb509b7ef945897c8e10bf0f380

Download Submit
memory/732-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/732-14-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1540-9-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1540-17-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads