aaec8fd3535100dea07e3ec150896f7d046b58abf9be50328f118f58f2a2befb

Analysis

max time kernel
121s
max time network
99s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
03/05/2023, 08:09

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General

Target

ww.zip
Size

1.3MB
MD5

e7f287234c27ee1723cace6ba8f49b48
SHA1

542a4582ae4a559bba1da1c79404a7e40f221bc7
SHA256

aaec8fd3535100dea07e3ec150896f7d046b58abf9be50328f118f58f2a2befb
SHA512

c5e2f888bbdad9360266d3a000d7f8a0b78d1b85a86933514fc15229470542a44a685ad361bf81e47c857e11b063aba5db9dc97879cb53b3f78d3c7935fddce1
SSDEEP

24576:h4pDDWryjFVZVbCb0j4QSLIn8+egjyYR/Yf45qvAu:hO/r2u4lLc8/g2QYZvAu

Score

9^/10

evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rundll32.exe

Checks BIOS information in registry 2 TTPs 10 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\VideoBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe

Identifies Wine through registry keys 2 TTPs 5 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Wine	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Wine	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Wine	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Wine	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Wine	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
1580	rundll32.exe
688	rundll32.exe
1088	rundll32.exe
1080	rundll32.exe
1676	rundll32.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2016	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1580	rundll32.exe
688	rundll32.exe
1088	rundll32.exe
1080	rundll32.exe
1676	rundll32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	976	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	976	AUDIODG.EXE
Token: 33	976	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	976	AUDIODG.EXE

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 1656	1456	cmd.exe	38
PID 1456 wrote to memory of 1656	1456	cmd.exe	38
PID 1456 wrote to memory of 1656	1456	cmd.exe	38
PID 1656 wrote to memory of 1580	1656	rundll32.exe	39
PID 1656 wrote to memory of 1580	1656	rundll32.exe	39
PID 1656 wrote to memory of 1580	1656	rundll32.exe	39
PID 1656 wrote to memory of 1580	1656	rundll32.exe	39
PID 1656 wrote to memory of 1580	1656	rundll32.exe	39
PID 1656 wrote to memory of 1580	1656	rundll32.exe	39
PID 1656 wrote to memory of 1580	1656	rundll32.exe	39
PID 1456 wrote to memory of 1428	1456	cmd.exe	40
PID 1456 wrote to memory of 1428	1456	cmd.exe	40
PID 1456 wrote to memory of 1428	1456	cmd.exe	40
PID 1428 wrote to memory of 688	1428	rundll32.exe	41
PID 1428 wrote to memory of 688	1428	rundll32.exe	41
PID 1428 wrote to memory of 688	1428	rundll32.exe	41
PID 1428 wrote to memory of 688	1428	rundll32.exe	41
PID 1428 wrote to memory of 688	1428	rundll32.exe	41
PID 1428 wrote to memory of 688	1428	rundll32.exe	41
PID 1428 wrote to memory of 688	1428	rundll32.exe	41
PID 1456 wrote to memory of 364	1456	cmd.exe	42
PID 1456 wrote to memory of 364	1456	cmd.exe	42
PID 1456 wrote to memory of 364	1456	cmd.exe	42
PID 364 wrote to memory of 1088	364	rundll32.exe	43
PID 364 wrote to memory of 1088	364	rundll32.exe	43
PID 364 wrote to memory of 1088	364	rundll32.exe	43
PID 364 wrote to memory of 1088	364	rundll32.exe	43
PID 364 wrote to memory of 1088	364	rundll32.exe	43
PID 364 wrote to memory of 1088	364	rundll32.exe	43
PID 364 wrote to memory of 1088	364	rundll32.exe	43
PID 1456 wrote to memory of 1932	1456	cmd.exe	44
PID 1456 wrote to memory of 1932	1456	cmd.exe	44
PID 1456 wrote to memory of 1932	1456	cmd.exe	44
PID 1932 wrote to memory of 1080	1932	rundll32.exe	45
PID 1932 wrote to memory of 1080	1932	rundll32.exe	45
PID 1932 wrote to memory of 1080	1932	rundll32.exe	45
PID 1932 wrote to memory of 1080	1932	rundll32.exe	45
PID 1932 wrote to memory of 1080	1932	rundll32.exe	45
PID 1932 wrote to memory of 1080	1932	rundll32.exe	45
PID 1932 wrote to memory of 1080	1932	rundll32.exe	45
PID 1456 wrote to memory of 1972	1456	cmd.exe	46
PID 1456 wrote to memory of 1972	1456	cmd.exe	46
PID 1456 wrote to memory of 1972	1456	cmd.exe	46
PID 1972 wrote to memory of 1676	1972	rundll32.exe	47
PID 1972 wrote to memory of 1676	1972	rundll32.exe	47
PID 1972 wrote to memory of 1676	1972	rundll32.exe	47
PID 1972 wrote to memory of 1676	1972	rundll32.exe	47
PID 1972 wrote to memory of 1676	1972	rundll32.exe	47
PID 1972 wrote to memory of 1676	1972	rundll32.exe	47
PID 1972 wrote to memory of 1676	1972	rundll32.exe	47

C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\ww.zip
1⤵
PID:1604

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1688

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x540
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:976

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RDBFE4.tmp
1⤵
- Modifies registry class
PID:2024

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\oca.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:2016

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\sql.dll,SQL_verify
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1656
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\sql.dll,SQL_verify
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    PID:1580
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\sql.dll,SQL_verify
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1428
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\sql.dll,SQL_verify
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    PID:688
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\sql.dll,SQL_verify
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:364
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\sql.dll,SQL_verify
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    PID:1088
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\sql.dll,SQL_verify
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\sql.dll,SQL_verify
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    PID:1080
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\sql.dll,SQL_verify
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\sql.dll,SQL_verify
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    PID:1676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/688-59-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download
memory/688-60-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download
memory/688-58-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download
memory/688-57-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download
memory/1080-66-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download
memory/1080-65-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download
memory/1080-67-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download
memory/1080-68-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download
memory/1088-61-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download
memory/1088-62-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download
memory/1088-63-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download
memory/1088-64-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download
memory/1580-56-0x00000000744B0000-0x0000000074677000-memory.dmp

Filesize
1.8MB

Download
memory/1580-55-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download
memory/1580-54-0x00000000744B0000-0x0000000074677000-memory.dmp

Filesize
1.8MB

Download
memory/1676-69-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download
memory/1676-70-0x00000000742E0000-0x00000000744A7000-memory.dmp

Filesize
1.8MB

Download