020a7fc90c69bda49e8d923fa80803ce1545de2de59f2460fc372bbb1d8c0498

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 18:43

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General

Target

ancamcorderupdate.exe
Size

216KB
MD5

8d7a7a8d17fa09768b0ff84e2b44146a
SHA1

5c2e00cea703be99ee0b1cce87ce6c7dc1c21343
SHA256

bf02e8232529f7786cf66b1f6b8844eb641c5d2cc8fdecd0c78267a9a78f6484
SHA512

cbb5f13c6a797b335293630e8385b88615aa092c6a780b03fce7cb659bbc3786cd8d1fa1d6d9399a125ed359df003f62a53014b2a82e7383dc4080002333828a
SSDEEP

1536:bli/fYZIBvGRxgO/YYwWWYwYYYvZZZPZPZMZZZPZZzZZZZZkPit:bli/fYZNRxgO/YYwWWYwYYYE

Score

3^/10

discovery

Malware Config

Signatures

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	ancamcorder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ancamcorderupdate.exe

Modifies Internet Explorer settings 1 TTPs 6 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\DOMStorage	ancamcorder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\DOMStorage\ancamera.co.kr\NumberOfSubdomains = "1"	ancamcorder.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	ancamcorder.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	ancamcorder.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main	ancamcorder.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\DOMStorage\ancamera.co.kr	ancamcorder.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1912	ancamcorder.exe
1912	ancamcorder.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1912	ancamcorder.exe
1912	ancamcorder.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1076	ancamcorderupdate.exe
1076	ancamcorderupdate.exe
1076	ancamcorderupdate.exe
1076	ancamcorderupdate.exe
1912	ancamcorder.exe
1912	ancamcorder.exe
1912	ancamcorder.exe
1912	ancamcorder.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 1912	1076	ancamcorderupdate.exe	31
PID 1076 wrote to memory of 1912	1076	ancamcorderupdate.exe	31
PID 1076 wrote to memory of 1912	1076	ancamcorderupdate.exe	31
PID 1076 wrote to memory of 1912	1076	ancamcorderupdate.exe	31

C:\Users\Admin\AppData\Local\Temp\ancamcorderupdate.exe
"C:\Users\Admin\AppData\Local\Temp\ancamcorderupdate.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\AppData\Local\Temp\ancamcorder.exe
  "C:\Users\Admin\AppData\Local\Temp\ancamcorder.exe" -s
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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\ancamcorder.ini

Filesize
741B

MD5
3a977db0fbc5497d27ef22fd8e250fb9

SHA1
c7eef873f3a51fd10e90589d36cedf5459de374a

SHA256
1b141ea172da3caf3583e37241109da771d0ce64bca052321e81d3007b623d1c

SHA512
46f437fb1311a7c425ca624b627b075be13f73126ef7dceab0af8201f8c02c72da7c115ea03f08b83c8db62748f0a96438a2d9778dc34957448c16f3a32367b3

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