49036b267a62fd2d8c8d476532b1cf4bfa81768d67facd0988ba981601172171

Analysis

max time kernel
106s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 04:34

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General

Target

49036b267a62fd2d8c8d476532b1cf4bfa81768d67facd0988ba981601172171.exe
Size

33KB
MD5

9c75f43334d80baac2fde81bda5724a4
SHA1

0b8cbb8e0583e7c5a36eaec417d1c44fecd7464b
SHA256

49036b267a62fd2d8c8d476532b1cf4bfa81768d67facd0988ba981601172171
SHA512

a1a7a53d1506993508eb65a205bd37f660251780a3d9a29b50a9774b7289126966eedc417233723453ab50c48b306dd2c457f72d385ae80ca1c44328c07011a8
SSDEEP

384:ODIg+GkEkTfjJGRGWXpS8y9hCm1vMnuhE+3L58UNl0mfuTF:OIHfjgXTmGn/i5K

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	49036b267a62fd2d8c8d476532b1cf4bfa81768d67facd0988ba981601172171.exe

Executes dropped EXE 1 IoCs

pid	Process
4580	wefi.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	49036b267a62fd2d8c8d476532b1cf4bfa81768d67facd0988ba981601172171.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wefi.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 764 wrote to memory of 4580	764	49036b267a62fd2d8c8d476532b1cf4bfa81768d67facd0988ba981601172171.exe	84
PID 764 wrote to memory of 4580	764	49036b267a62fd2d8c8d476532b1cf4bfa81768d67facd0988ba981601172171.exe	84
PID 764 wrote to memory of 4580	764	49036b267a62fd2d8c8d476532b1cf4bfa81768d67facd0988ba981601172171.exe	84

C:\Users\Admin\AppData\Local\Temp\49036b267a62fd2d8c8d476532b1cf4bfa81768d67facd0988ba981601172171.exe
"C:\Users\Admin\AppData\Local\Temp\49036b267a62fd2d8c8d476532b1cf4bfa81768d67facd0988ba981601172171.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:764
- C:\Users\Admin\AppData\Local\Temp\wefi.exe
  "C:\Users\Admin\AppData\Local\Temp\wefi.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4580

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\Local\Temp\wefi.exe

Filesize
33KB

MD5
d3910c5977b88dd78b4246bbef7e1f88

SHA1
7b7e8bcde8ff94e1952252a8c4e22cb27565b1a4

SHA256
7370a82ff06d1206a0dabce144884a3f01b54a299291d970a088c74d498b9d47

SHA512
342890299faa21895b6602d741486767ee54f41fa60b7b52fda33995a9a61daf96c1dbeb1b05937b43de1cfeaa63b91beec2df5c52d9bf027aaf5ba283695ecc

Download Submit
memory/764-0-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/4580-9-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download