b7a72c3f23c3e265caa74c60acbef350b268745c1e451a27e915011c720155f8

Resubmissions

13-10-2024 11:52

241013-n15qrsvdrc 5

13-10-2024 11:50

241013-nzlaqszcqk 5

Analysis

max time kernel
94s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2024 11:52

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General

Target

bdcam_nonadmin.exe
Size

150KB
MD5

cfd060be6ccb4859edf73a91db415cf3
SHA1

70049f6e03e16d394a0d5325e2ec5816ab5713b9
SHA256

262825b33825dc29076036e9111eabcaa5a981bfae4be0c0ad9f6760101f1a3a
SHA512

23e227137781c220d60d4bc595e25d6df7c7c325a896d3ef0eaffdc96549726dbacba345588de1f4230e98ece4377439a56b7e2f5a8c59a3399c284b48aa2d62
SSDEEP

3072:czbsh7wXQA35X2PXiV5rpezDw2VBKJ4KrUX3kb1hVeVh0:czb26QoXMraUn4R

Score

5^/10

defense_evasion discovery privilege_escalation

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	bdcam_nonadmin.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3792	bdcam.exe

Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs

defense_evasion privilege_escalation

Create Process with Token

T1134.002

pid	Process
3608	cmd.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 3 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	bdcam.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bdcam_nonadmin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3792	bdcam.exe
3792	bdcam.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3792	bdcam.exe
3792	bdcam.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 3608	3096	bdcam_nonadmin.exe	84
PID 3096 wrote to memory of 3608	3096	bdcam_nonadmin.exe	84
PID 3096 wrote to memory of 3608	3096	bdcam_nonadmin.exe	84
PID 3608 wrote to memory of 3792	3608	cmd.exe	86
PID 3608 wrote to memory of 3792	3608	cmd.exe	86
PID 3608 wrote to memory of 3792	3608	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\bdcam_nonadmin.exe
"C:\Users\Admin\AppData\Local\Temp\bdcam_nonadmin.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3096
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /min /c "set __COMPAT_LAYER=RUNASINVOKER && start "" "C:\Users\Admin\AppData\Local\Temp\bdcam.exe" /from_nonadmin "
  2⤵
  - Access Token Manipulation: Create Process with Token
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3608
- - C:\Users\Admin\AppData\Local\Temp\bdcam.exe
    "C:\Users\Admin\AppData\Local\Temp\bdcam.exe" /from_nonadmin
    3⤵
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:3792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Access Token Manipulation

T1134

Create Process with Token

T1134.002

Defense Evasion

Access Token Manipulation

T1134

Create Process with Token

T1134.002

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

Replay Monitor

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Downloads

memory/3792-0-0x0000000000B80000-0x000000000144C000-memory.dmp

Filesize
8.8MB

Download
memory/3792-2-0x0000000000B80000-0x000000000144C000-memory.dmp

Filesize
8.8MB

Download
memory/3792-5-0x0000000000B80000-0x000000000144C000-memory.dmp

Filesize
8.8MB

Download