259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5

General

Target

259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe
Size

1.8MB
MD5

60b7ac91af5359628c497fc0d4172546
SHA1

6263b5a40aae227d06bf538ec773200af710fa14
SHA256

259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5
SHA512

6c94566d25f83b502885360517c5d557f94622f6155afff1a8202d93617ac0abb39eb984a11d499c4b8ee9e5a95d66c30a199b1f9ec99d0227d3912104170db3
SSDEEP

49152:AiSzCD+K95aLs7zeqLTVtXtHFIDP8EehiM8qZA:AiSzCD+K95aUeqFtXtHwEEehig

Score

9^/10

evasion trojan

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__	259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4528	oobeldr.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	259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	oobeldr.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4076	259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe
4076	259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe
4528	oobeldr.exe
4528	oobeldr.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
4292	schtasks.exe
2868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4076	259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe
4076	259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe
4076	259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe
4076	259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe
4528	oobeldr.exe
4528	oobeldr.exe
4528	oobeldr.exe
4528	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 4292	4076	259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe	79
PID 4076 wrote to memory of 4292	4076	259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe	79
PID 4076 wrote to memory of 4292	4076	259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe	79
PID 4528 wrote to memory of 2868	4528	oobeldr.exe	90
PID 4528 wrote to memory of 2868	4528	oobeldr.exe	90
PID 4528 wrote to memory of 2868	4528	oobeldr.exe	90

C:\Users\Admin\AppData\Local\Temp\259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe
"C:\Users\Admin\AppData\Local\Temp\259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4076
- C:\Windows\SysWOW64\schtasks.exe
  /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
  2⤵
  - Creates scheduled task(s)
  PID:4292

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Windows\SysWOW64\schtasks.exe
  /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
  2⤵
  - Creates scheduled task(s)
  PID:2868

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
1.8MB

MD5
60b7ac91af5359628c497fc0d4172546

SHA1
6263b5a40aae227d06bf538ec773200af710fa14

SHA256
259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5

SHA512
6c94566d25f83b502885360517c5d557f94622f6155afff1a8202d93617ac0abb39eb984a11d499c4b8ee9e5a95d66c30a199b1f9ec99d0227d3912104170db3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
1.8MB

MD5
60b7ac91af5359628c497fc0d4172546

SHA1
6263b5a40aae227d06bf538ec773200af710fa14

SHA256
259f179c53869d4480e49ebb79c11bd4cc665b9cd77e83a9386539153db861e5

SHA512
6c94566d25f83b502885360517c5d557f94622f6155afff1a8202d93617ac0abb39eb984a11d499c4b8ee9e5a95d66c30a199b1f9ec99d0227d3912104170db3

Download Submit
memory/4076-142-0x0000000000C70000-0x0000000000CB4000-memory.dmp

Filesize
272KB

Download
memory/4076-135-0x0000000000D11000-0x0000000000D13000-memory.dmp

Filesize
8KB

Download
memory/4076-137-0x0000000000D10000-0x000000000102F000-memory.dmp

Filesize
3.1MB

Download
memory/4076-138-0x0000000000D10000-0x000000000102F000-memory.dmp

Filesize
3.1MB

Download
memory/4076-133-0x0000000000C70000-0x0000000000CB4000-memory.dmp

Filesize
272KB

Download
memory/4076-140-0x0000000077350000-0x00000000774F3000-memory.dmp

Filesize
1.6MB

Download
memory/4076-141-0x0000000000D10000-0x000000000102F000-memory.dmp

Filesize
3.1MB

Download
memory/4076-132-0x0000000000D10000-0x000000000102F000-memory.dmp

Filesize
3.1MB

Download
memory/4076-143-0x0000000077350000-0x00000000774F3000-memory.dmp

Filesize
1.6MB

Download
memory/4076-136-0x0000000000D11000-0x0000000000D13000-memory.dmp

Filesize
8KB

Download
memory/4076-134-0x0000000000D10000-0x000000000102F000-memory.dmp

Filesize
3.1MB

Download
memory/4528-146-0x0000000000540000-0x000000000085F000-memory.dmp

Filesize
3.1MB

Download
memory/4528-147-0x0000000000540000-0x000000000085F000-memory.dmp

Filesize
3.1MB

Download
memory/4528-148-0x0000000000EB0000-0x0000000000EF4000-memory.dmp

Filesize
272KB

Download
memory/4528-150-0x0000000000541000-0x0000000000543000-memory.dmp

Filesize
8KB

Download
memory/4528-152-0x0000000077350000-0x00000000774F3000-memory.dmp

Filesize
1.6MB

Download
memory/4528-153-0x0000000000540000-0x000000000085F000-memory.dmp

Filesize
3.1MB

Download
memory/4528-154-0x0000000000EB0000-0x0000000000EF4000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads