69935b8bfd987db18e288f6cff43025dd0a8bb1eb27f5b6680f8ba2d623f2f41

General

Target

1835631eb68dbd1c381cbd529d905e9d.exe
Size

3.6MB
MD5

1835631eb68dbd1c381cbd529d905e9d
SHA1

ce648af696fda947c000e4ff4ed42275c4bfc739
SHA256

69935b8bfd987db18e288f6cff43025dd0a8bb1eb27f5b6680f8ba2d623f2f41
SHA512

2c4bea4262fd03b1e32c46c61d4e7b9ece5d9c7e908b97b55f2ef3655da33f35d5a46ef45394d302fd0e9a3a948f1ce676dd074558a2130f86116a01e55ac4b7
SSDEEP

98304:8Mud3bhw4eD82hfeD4fhloc7CiZPCD7/94sTC:8Rrm4ew2Uyzoc7x6dG

Score

9^/10

evasion

Malware Config

Signatures

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	1835631eb68dbd1c381cbd529d905e9d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	WinDef.exe

Checks BIOS information in registry 2 TTPs 4 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	1835631eb68dbd1c381cbd529d905e9d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1835631eb68dbd1c381cbd529d905e9d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	WinDef.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	WinDef.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WinDef.lnk	1835631eb68dbd1c381cbd529d905e9d.exe

Executes dropped EXE 1 IoCs

pid	Process
460	WinDef.exe

Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-3803511929-1339359695-2191195476-1000\Software\Wine	1835631eb68dbd1c381cbd529d905e9d.exe
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Wine	WinDef.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3880	1835631eb68dbd1c381cbd529d905e9d.exe
460	WinDef.exe

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

System Information Discovery
T1082

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
460	WinDef.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3880	1835631eb68dbd1c381cbd529d905e9d.exe
3880	1835631eb68dbd1c381cbd529d905e9d.exe
460	WinDef.exe
460	WinDef.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 460	3880	1835631eb68dbd1c381cbd529d905e9d.exe	90
PID 3880 wrote to memory of 460	3880	1835631eb68dbd1c381cbd529d905e9d.exe	90
PID 3880 wrote to memory of 460	3880	1835631eb68dbd1c381cbd529d905e9d.exe	90

C:\Users\Admin\AppData\Local\Temp\1835631eb68dbd1c381cbd529d905e9d.exe
"C:\Users\Admin\AppData\Local\Temp\1835631eb68dbd1c381cbd529d905e9d.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Drops startup file
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3880
- C:\Users\Admin\AppData\Roaming\Windows Def\WinDef.exe
  "C:\Users\Admin\AppData\Roaming\Windows Def\WinDef.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  PID:460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Windows Def\WinDef.exe

Filesize
92KB

MD5
38ffc3163026b258ea1d186cc8660489

SHA1
121b7396a9c8cbbc025c8cf42b706ad68df87779

SHA256
92005562f6fa8d7918c20723a78330f5af46deeb5ace54f633a7a02ff51d717f

SHA512
14e4eef3e41f7fffee8cf4f7a53c441e35a0f9fc647cee28187222a2cc1978d5cec4a6c2b7789adf7103d47b59f2d80a2139c3a1e35c77f88dcdfd805adce5cc

Download Submit
memory/460-25-0x00000000031C0000-0x00000000031C1000-memory.dmp

Filesize
4KB

Download
memory/460-17-0x0000000000CF0000-0x0000000001555000-memory.dmp

Filesize
8.4MB

Download
memory/460-18-0x0000000003160000-0x0000000003161000-memory.dmp

Filesize
4KB

Download
memory/460-19-0x0000000003170000-0x0000000003171000-memory.dmp

Filesize
4KB

Download
memory/460-20-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/460-21-0x0000000002C50000-0x0000000002C51000-memory.dmp

Filesize
4KB

Download
memory/460-22-0x0000000003140000-0x0000000003141000-memory.dmp

Filesize
4KB

Download
memory/460-16-0x0000000000CF0000-0x0000000001555000-memory.dmp

Filesize
8.4MB

Download
memory/460-23-0x0000000003180000-0x0000000003181000-memory.dmp

Filesize
4KB

Download
memory/460-24-0x0000000003190000-0x0000000003191000-memory.dmp

Filesize
4KB

Download
memory/460-26-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/3880-5-0x0000000003030000-0x0000000003031000-memory.dmp

Filesize
4KB

Download
memory/3880-3-0x0000000000860000-0x00000000010C5000-memory.dmp

Filesize
8.4MB

Download
memory/3880-4-0x0000000003040000-0x0000000003041000-memory.dmp

Filesize
4KB

Download
memory/3880-15-0x0000000000860000-0x00000000010C5000-memory.dmp

Filesize
8.4MB

Download
memory/3880-0-0x0000000000860000-0x00000000010C5000-memory.dmp

Filesize
8.4MB

Download
memory/3880-6-0x0000000002FF0000-0x0000000002FF1000-memory.dmp

Filesize
4KB

Download
memory/3880-7-0x0000000003010000-0x0000000003011000-memory.dmp

Filesize
4KB

Download
memory/3880-8-0x0000000003050000-0x0000000003051000-memory.dmp

Filesize
4KB

Download
memory/3880-1-0x00000000770F4000-0x00000000770F6000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads