b3b4fcae45dc3d211b899d38648751f8398574054f5af646d0c7bbe209323900

Analysis

max time kernel
124s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
05-07-2023 14:16

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General

Target

00a10654613765exeexeexeex.exe
Size

327KB
MD5

00a1065461376591346a37a5ecad95cf
SHA1

5a364c0b26344f5ebaea5ad52c93ff5cc245b39b
SHA256

b3b4fcae45dc3d211b899d38648751f8398574054f5af646d0c7bbe209323900
SHA512

c931ef99b9616b4b372ebfc093e90dafde8d769ac7f11c44d53b816f095e121018ced50dd9ccaadd462e47e1b69ad0ad6a5efc52536a54e8c748970c001f54f7
SSDEEP

6144:Q2+JS2sFafI8U0obHCW/2a7XQcsPMjVWrG8KgbPzDh:Q2TFafJiHCWBWPMjVWrXK0

Score

7^/10

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-1-5-21-1043950675-1972537973-2972532878-1000\Control Panel\International\Geo\Nation	00a10654613765exeexeexeex.exe

Executes dropped EXE 2 IoCs

pid	Process
984	taskhostsys.exe
2764	taskhostsys.exe

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

System Information Discovery
T1082

Modifies registry class 30 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\jitc\DefaultIcon\ = "%1"	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\jitc\shell\open\command	00a10654613765exeexeexeex.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\jitc\shell\runas\command\IsolatedCommand = "\"%1\" %*"	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\.exe\shell\open\command	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\Local Settings	00a10654613765exeexeexeex.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\jitc\ = "Application"	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\.exe	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\.exe\DefaultIcon	00a10654613765exeexeexeex.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\jitc\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Posix\\taskhostsys.exe\" /START \"%1\" %*"	00a10654613765exeexeexeex.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\jitc\DefaultIcon	00a10654613765exeexeexeex.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\jitc\shell\open\command\IsolatedCommand = "\"%1\" %*"	00a10654613765exeexeexeex.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\.exe\DefaultIcon\ = "%1"	00a10654613765exeexeexeex.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\jitc\Content-Type = "application/x-msdownload"	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\.exe\shell\runas\command	00a10654613765exeexeexeex.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\.exe\shell\runas\command\ = "\"%1\" %*"	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\jitc\shell\runas\command	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\jitc\shell\runas	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\.exe\shell\open	00a10654613765exeexeexeex.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\jitc\shell	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\jitc\shell\open	00a10654613765exeexeexeex.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\jitc\shell\runas\command\ = "\"%1\" %*"	00a10654613765exeexeexeex.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\.exe\Content-Type = "application/x-msdownload"	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\.exe\shell\runas	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\jitc	00a10654613765exeexeexeex.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\.exe\ = "jitc"	00a10654613765exeexeexeex.exe
Key created	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\.exe\shell	00a10654613765exeexeexeex.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000_Classes\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Posix\\taskhostsys.exe\" /START \"%1\" %*"	00a10654613765exeexeexeex.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	984	taskhostsys.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 984	2776	00a10654613765exeexeexeex.exe	79
PID 2776 wrote to memory of 984	2776	00a10654613765exeexeexeex.exe	79
PID 2776 wrote to memory of 984	2776	00a10654613765exeexeexeex.exe	79
PID 984 wrote to memory of 2764	984	taskhostsys.exe	80
PID 984 wrote to memory of 2764	984	taskhostsys.exe	80
PID 984 wrote to memory of 2764	984	taskhostsys.exe	80

C:\Users\Admin\AppData\Local\Temp\00a10654613765exeexeexeex.exe
"C:\Users\Admin\AppData\Local\Temp\00a10654613765exeexeexeex.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Users\Admin\AppData\Roaming\Microsoft\Posix\taskhostsys.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Posix\taskhostsys.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\Posix\taskhostsys.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:984
- - C:\Users\Admin\AppData\Roaming\Microsoft\Posix\taskhostsys.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Posix\taskhostsys.exe"
    3⤵
    - Executes dropped EXE
    PID:2764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Posix\taskhostsys.exe

Filesize
327KB

MD5
86d255c821440c7429582bce499d4f39

SHA1
925108ed4189345d423af46ed01e193413e87b60

SHA256
2003e346a6b219609bd78bc5bf682b5feb699855656569071a1f02765bca0add

SHA512
bce053973ba269a9844feb39c93c74d2e853411c11b5745bd5096f3dc9dc1794545c72f0c2a8dbbbf29b6e0dc8d68bd7ef9fa7d835d4c947e05c2a1bb560b1e2

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C:\Users\Admin\AppData\Roaming\Microsoft\Posix\taskhostsys.exe

Filesize
327KB

MD5
86d255c821440c7429582bce499d4f39

SHA1
925108ed4189345d423af46ed01e193413e87b60

SHA256
2003e346a6b219609bd78bc5bf682b5feb699855656569071a1f02765bca0add

SHA512
bce053973ba269a9844feb39c93c74d2e853411c11b5745bd5096f3dc9dc1794545c72f0c2a8dbbbf29b6e0dc8d68bd7ef9fa7d835d4c947e05c2a1bb560b1e2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Posix\taskhostsys.exe

Filesize
327KB

MD5
86d255c821440c7429582bce499d4f39

SHA1
925108ed4189345d423af46ed01e193413e87b60

SHA256
2003e346a6b219609bd78bc5bf682b5feb699855656569071a1f02765bca0add

SHA512
bce053973ba269a9844feb39c93c74d2e853411c11b5745bd5096f3dc9dc1794545c72f0c2a8dbbbf29b6e0dc8d68bd7ef9fa7d835d4c947e05c2a1bb560b1e2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Posix\taskhostsys.exe

Filesize
327KB

MD5
86d255c821440c7429582bce499d4f39

SHA1
925108ed4189345d423af46ed01e193413e87b60

SHA256
2003e346a6b219609bd78bc5bf682b5feb699855656569071a1f02765bca0add

SHA512
bce053973ba269a9844feb39c93c74d2e853411c11b5745bd5096f3dc9dc1794545c72f0c2a8dbbbf29b6e0dc8d68bd7ef9fa7d835d4c947e05c2a1bb560b1e2

Download Submit