a4771e38d3ba9552fd155b9d890e353605f0b8598b72b99dac02bd0226fb5b8b

Analysis

max time kernel
145s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 06:01

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General

Target

a4771e38d3ba9552fd155b9d890e353605f0b8598b72b99dac02bd0226fb5b8b.exe
Size

2.8MB
MD5

47fac7b78e363f23fba215743c8db0f0
SHA1

0a3238db40f501aa92e0d9379a9510d661c217ea
SHA256

a4771e38d3ba9552fd155b9d890e353605f0b8598b72b99dac02bd0226fb5b8b
SHA512

5c7d48830e2ca039590bac106cb4fa40bfc90ecf0b25a04ca0f079732412084aec00ad3e25bf3619f5cfe6269af61390a62431055605cf535616057c5c48d16e
SSDEEP

24576:re8Au1Wx5BGY+/SQzHiRMjQudzZyyv+22/QtEsRrwsbdf9EpIUkhNSTjrwWfWADs:rfAKA5BGYSHi+tEyBdSiSTjMhWmR

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-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	rundll32.exe

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\User Profile	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4208	a4771e38d3ba9552fd155b9d890e353605f0b8598b72b99dac02bd0226fb5b8b.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4208 wrote to memory of 2312	4208	a4771e38d3ba9552fd155b9d890e353605f0b8598b72b99dac02bd0226fb5b8b.exe	89
PID 4208 wrote to memory of 2312	4208	a4771e38d3ba9552fd155b9d890e353605f0b8598b72b99dac02bd0226fb5b8b.exe	89
PID 4208 wrote to memory of 2312	4208	a4771e38d3ba9552fd155b9d890e353605f0b8598b72b99dac02bd0226fb5b8b.exe	89

C:\Users\Admin\AppData\Local\Temp\a4771e38d3ba9552fd155b9d890e353605f0b8598b72b99dac02bd0226fb5b8b.exe
"C:\Users\Admin\AppData\Local\Temp\a4771e38d3ba9552fd155b9d890e353605f0b8598b72b99dac02bd0226fb5b8b.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4208
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe shell32.dll,Control_RunDLL intl.cpl,,0
  2⤵
  - Checks computer location settings
  - Modifies Control Panel
  PID:2312

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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