42154f2bf367b3381a2ed07ff07578e0f76131679fec79137f926849113eab98

Analysis

max time kernel
91s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
16/10/2022, 04:11

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General

Target

42154f2bf367b3381a2ed07ff07578e0f76131679fec79137f926849113eab98.dll
Size

288KB
MD5

3ab4a103290a5c8ee4f79c82321547a9
SHA1

481c63394a82bd369bf53bd658e3cea51e6936a1
SHA256

42154f2bf367b3381a2ed07ff07578e0f76131679fec79137f926849113eab98
SHA512

b7e1d3aafaa3bbea0729248cd6bd39174031a4938e41704d1bd98f99fd130b31c888f5b2fa9a66e2a961e1e5e91580683f2c2515fb1f2e49de715482a51a3fb7
SSDEEP

6144:wCYFfujhFCvTXGgvtzd/KEBP+mqMZ8C9ZoUzGAh:wCwWjhFbg1zcEl+mzfDuA

Score

7^/10

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4624	rundll32.exe
Token: SeIncBasePriorityPrivilege	4624	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 4624	4324	rundll32.exe	78
PID 4324 wrote to memory of 4624	4324	rundll32.exe	78
PID 4324 wrote to memory of 4624	4324	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\42154f2bf367b3381a2ed07ff07578e0f76131679fec79137f926849113eab98.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\42154f2bf367b3381a2ed07ff07578e0f76131679fec79137f926849113eab98.dll,#1
  2⤵
  - Checks BIOS information in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4624

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

memory/4624-133-0x0000000002EA0000-0x0000000002EE5000-memory.dmp

Filesize
276KB

Download
memory/4624-138-0x0000000002EA1000-0x0000000002ECC000-memory.dmp

Filesize
172KB

Download
memory/4624-139-0x0000000010000000-0x0000000010045000-memory.dmp

Filesize
276KB

Download
memory/4624-140-0x0000000002EA1000-0x0000000002ECC000-memory.dmp

Filesize
172KB

Download