ce5353f0fff1f1e50d5456b1f716fa0796d9dbb0565591fecee47da523fc65f4

Analysis

max time kernel
95s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 14:08

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General

Target

0f4c83a80e28fda7257eb5d6357b9890N.exe
Size

280KB
MD5

0f4c83a80e28fda7257eb5d6357b9890
SHA1

5ac8b3d61d216ee5869d9a0f5312122b66100cee
SHA256

ce5353f0fff1f1e50d5456b1f716fa0796d9dbb0565591fecee47da523fc65f4
SHA512

0f9e14d23e27ba991eb1f5b4176d8788c555888e07e71f39fc07f0590602e2adc6ecb9bd88c088bed63b246304760ca197220421018f4beab8b468e4b2217b1b
SSDEEP

6144:uTz+WrPFZvTXb4RyW42vFlOloh2E+7pYUozDK:uTBPFV0RyWl3h2E+7pl

Score

7^/10

discovery

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	0f4c83a80e28fda7257eb5d6357b9890N.exe

Executes dropped EXE 2 IoCs

pid	Process
1788	taskhostsys.exe
3972	taskhostsys.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 2 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	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskhostsys.exe

Modifies registry class 30 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\jitc\DefaultIcon\ = "%1"	0f4c83a80e28fda7257eb5d6357b9890N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\jitc\shell\open\command\IsolatedCommand = "\"%1\" %*"	0f4c83a80e28fda7257eb5d6357b9890N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\.exe\ = "jitc"	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\Local Settings	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\jitc\shell	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\.exe	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\.exe\DefaultIcon	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	0f4c83a80e28fda7257eb5d6357b9890N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\jitc\shell\runas\command\IsolatedCommand = "\"%1\" %*"	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\.exe\shell\open	0f4c83a80e28fda7257eb5d6357b9890N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\.exe\Content-Type = "application/x-msdownload"	0f4c83a80e28fda7257eb5d6357b9890N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	0f4c83a80e28fda7257eb5d6357b9890N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\.exe\shell\runas\command\ = "\"%1\" %*"	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\jitc\DefaultIcon	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\jitc\shell\runas	0f4c83a80e28fda7257eb5d6357b9890N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\.exe\DefaultIcon\ = "%1"	0f4c83a80e28fda7257eb5d6357b9890N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\.exe\shell\runas\command	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\jitc	0f4c83a80e28fda7257eb5d6357b9890N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\jitc\ = "Application"	0f4c83a80e28fda7257eb5d6357b9890N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\jitc\Content-Type = "application/x-msdownload"	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\jitc\shell\open\command	0f4c83a80e28fda7257eb5d6357b9890N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\jitc\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Sys32\\taskhostsys.exe\" /START \"%1\" %*"	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\.exe\shell\runas	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\jitc\shell\open	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\jitc\shell\runas\command	0f4c83a80e28fda7257eb5d6357b9890N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\jitc\shell\runas\command\ = "\"%1\" %*"	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\.exe\shell	0f4c83a80e28fda7257eb5d6357b9890N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Sys32\\taskhostsys.exe\" /START \"%1\" %*"	0f4c83a80e28fda7257eb5d6357b9890N.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\.exe\shell\open\command	0f4c83a80e28fda7257eb5d6357b9890N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1788	taskhostsys.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 1788	400	0f4c83a80e28fda7257eb5d6357b9890N.exe	86
PID 400 wrote to memory of 1788	400	0f4c83a80e28fda7257eb5d6357b9890N.exe	86
PID 400 wrote to memory of 1788	400	0f4c83a80e28fda7257eb5d6357b9890N.exe	86
PID 1788 wrote to memory of 3972	1788	taskhostsys.exe	87
PID 1788 wrote to memory of 3972	1788	taskhostsys.exe	87
PID 1788 wrote to memory of 3972	1788	taskhostsys.exe	87

C:\Users\Admin\AppData\Local\Temp\0f4c83a80e28fda7257eb5d6357b9890N.exe
"C:\Users\Admin\AppData\Local\Temp\0f4c83a80e28fda7257eb5d6357b9890N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:400
- C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\taskhostsys.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\taskhostsys.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\taskhostsys.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1788
- - C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\taskhostsys.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\taskhostsys.exe"
    3⤵
    - Executes dropped EXE
    PID:3972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Roaming\Microsoft\Sys32\taskhostsys.exe

Filesize
280KB

MD5
9d0c5c0db70fc1d933e1392cc2d6543d

SHA1
913fa260b58fd0b0de0a947c5206d2e728fc1546

SHA256
f3e0c663d55cd4eee246cb5632484b1012a7edd39d3a8f95669ca8a6fc925611

SHA512
f3d6af5ba82cfa35e9601cecec79e1071b7344b2ebb822eaba43ac3ed46725b2fce0b928b199771e95aa2fb741e4fd88cf56c782ae8ef62f2cc7ddd01b243265

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