4b9b3c3b001d7e9358d46ee3e08d6fcbd961fa237bf9a3139bf6d4bd75a19c4b

Resubmissions

31/05/2023, 19:18

230531-xzzykaae86 7

31/05/2023, 19:11

230531-xv275aah5w 3

Analysis

max time kernel
87s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
31/05/2023, 19:18

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Report Analysis Logs

General

Target

4b9b3c3b001d7e9358d46ee3e08d6fcbd961fa237bf9a3139bf6d4bd75a19c4b.dll
Size

757KB
MD5

c76645cd78b50296f24f68453bb7eb82
SHA1

1f9bedea45a1da626e2d1029873e44f92b6ba8f6
SHA256

4b9b3c3b001d7e9358d46ee3e08d6fcbd961fa237bf9a3139bf6d4bd75a19c4b
SHA512

3f133c526d4619c3d97ad367c3d27c95ac02efedc901381faadc7fc4975ed186a3e3a63b2b8daf663f17fff501e4a81f426d2b284d642f668799d9334b023b0f
SSDEEP

12288:fMmCy3nAgPAxN9ueqix/HEmxsvGrif8ZSy+rdQw2QRAtd74/vmYK6H3BVoeZ6:0mCy3KxW3ixPEmxsvGrm8Z6r+JQPzVV6

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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	cmd.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
632	2304	WerFault.exe	83

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1600	cmd.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2304	2372	rundll32.exe	83
PID 2372 wrote to memory of 2304	2372	rundll32.exe	83
PID 2372 wrote to memory of 2304	2372	rundll32.exe	83
PID 1600 wrote to memory of 5016	1600	cmd.exe	101
PID 1600 wrote to memory of 5016	1600	cmd.exe	101
PID 1600 wrote to memory of 3688	1600	cmd.exe	102
PID 1600 wrote to memory of 3688	1600	cmd.exe	102
PID 3688 wrote to memory of 4484	3688	regsvr32.exe	103
PID 3688 wrote to memory of 4484	3688	regsvr32.exe	103
PID 3688 wrote to memory of 4484	3688	regsvr32.exe	103

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b9b3c3b001d7e9358d46ee3e08d6fcbd961fa237bf9a3139bf6d4bd75a19c4b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b9b3c3b001d7e9358d46ee3e08d6fcbd961fa237bf9a3139bf6d4bd75a19c4b.dll,#1
  2⤵
  PID:2304
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 600
    3⤵
    - Program crash
    PID:632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2304 -ip 2304
1⤵
PID:764

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1600
- \??\c:\Windows\System32\regsvr32.exe
  c:\Windows\System32\regsvr32.exe C:\Users\Admin\AppData\Local\Temp\46d71030-f616-4534-9b1d-3a550773846f.tmp
  2⤵
  PID:5016
- \??\c:\Windows\System32\regsvr32.exe
  c:\Windows\System32\regsvr32.exe C:\Users\Admin\AppData\Local\Temp\4b9b3c3b001d7e9358d46ee3e08d6fcbd961fa237bf9a3139bf6d4bd75a19c4b.dll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3688
- - C:\Windows\SysWOW64\regsvr32.exe
    C:\Users\Admin\AppData\Local\Temp\4b9b3c3b001d7e9358d46ee3e08d6fcbd961fa237bf9a3139bf6d4bd75a19c4b.dll
    3⤵
    PID:4484

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\123.exe

Filesize
757KB

MD5
c76645cd78b50296f24f68453bb7eb82

SHA1
1f9bedea45a1da626e2d1029873e44f92b6ba8f6

SHA256
4b9b3c3b001d7e9358d46ee3e08d6fcbd961fa237bf9a3139bf6d4bd75a19c4b

SHA512
3f133c526d4619c3d97ad367c3d27c95ac02efedc901381faadc7fc4975ed186a3e3a63b2b8daf663f17fff501e4a81f426d2b284d642f668799d9334b023b0f

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