e38d3f5f725b87b072aa1a7cd772bafde24afed3a47b05be735a554a406da734

Analysis

max time kernel
121s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
20/02/2024, 02:31

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General

Target

71249c7234586da21d10b349be6b4044.exe
Size

327KB
MD5

71249c7234586da21d10b349be6b4044
SHA1

3fe0ce136436c8afa5a6fcdecbaf03d79ebb5701
SHA256

e38d3f5f725b87b072aa1a7cd772bafde24afed3a47b05be735a554a406da734
SHA512

fd47e8bf7ea234a2ef84865afa1b8609ce12d5fa60e4395e3bd43967d10ddd49b2f1971004936660506a840ace20308536ed52d4733429a5ea8f15fe0b8577f2
SSDEEP

6144:p2+JS2sFafI8U0obHCW/2a7XQcsPMjVWrG8KgbPzDh:p2TFafJiHCWBWPMjVWrXK0

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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	71249c7234586da21d10b349be6b4044.exe

Executes dropped EXE 2 IoCs

pid	Process
956	dwmsys.exe
2112	dwmsys.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
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\systemui	71249c7234586da21d10b349be6b4044.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\systemui\Content-Type = "application/x-msdownload"	71249c7234586da21d10b349be6b4044.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\systemui\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\SysWOW_amd64\\dwmsys.exe\" /START \"%1\" %*"	71249c7234586da21d10b349be6b4044.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\.exe\shell\runas\command\ = "\"%1\" %*"	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\systemui\shell\open	71249c7234586da21d10b349be6b4044.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\systemui\shell\runas\command\ = "\"%1\" %*"	71249c7234586da21d10b349be6b4044.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\systemui\ = "Application"	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\.exe	71249c7234586da21d10b349be6b4044.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\SysWOW_amd64\\dwmsys.exe\" /START \"%1\" %*"	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	71249c7234586da21d10b349be6b4044.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\systemui\DefaultIcon\ = "%1"	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\systemui\shell\open\command	71249c7234586da21d10b349be6b4044.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\.exe\Content-Type = "application/x-msdownload"	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\.exe\DefaultIcon	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\.exe\shell\runas\command	71249c7234586da21d10b349be6b4044.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\systemui\shell\open\command\IsolatedCommand = "\"%1\" %*"	71249c7234586da21d10b349be6b4044.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\.exe\ = "systemui"	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\.exe\shell	71249c7234586da21d10b349be6b4044.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	71249c7234586da21d10b349be6b4044.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\systemui\shell\runas\command\IsolatedCommand = "\"%1\" %*"	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\.exe\shell\open	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\systemui\DefaultIcon	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\systemui\shell	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\.exe\shell\open\command	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\Local Settings	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\systemui\shell\runas\command	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\systemui\shell\runas	71249c7234586da21d10b349be6b4044.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\.exe\DefaultIcon\ = "%1"	71249c7234586da21d10b349be6b4044.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	71249c7234586da21d10b349be6b4044.exe
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000_Classes\.exe\shell\runas	71249c7234586da21d10b349be6b4044.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	956	dwmsys.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 680 wrote to memory of 956	680	71249c7234586da21d10b349be6b4044.exe	84
PID 680 wrote to memory of 956	680	71249c7234586da21d10b349be6b4044.exe	84
PID 680 wrote to memory of 956	680	71249c7234586da21d10b349be6b4044.exe	84
PID 956 wrote to memory of 2112	956	dwmsys.exe	85
PID 956 wrote to memory of 2112	956	dwmsys.exe	85
PID 956 wrote to memory of 2112	956	dwmsys.exe	85

C:\Users\Admin\AppData\Local\Temp\71249c7234586da21d10b349be6b4044.exe
"C:\Users\Admin\AppData\Local\Temp\71249c7234586da21d10b349be6b4044.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:680
- C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_amd64\dwmsys.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_amd64\dwmsys.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_amd64\dwmsys.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:956
- - C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_amd64\dwmsys.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_amd64\dwmsys.exe"
    3⤵
    - Executes dropped EXE
    PID:2112

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_amd64\dwmsys.exe

Filesize
327KB

MD5
9ff6989d5fb15c0b5d9517a328b871e8

SHA1
304b05f5f75e4f2a7c67741becfa1199c315b7be

SHA256
697167aa46b4b5cb0e73e7aacbe22d78df1b0417869adac1611094e61b3483d1

SHA512
e07e42531fc82b1caaba5cd21a8f7653db284059cd9ff8c4523616d774abea681838225a73fb2040e6abe201b9db820fdfe67b70ef28ec60f63d5933a8e1edaf

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