7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2

Analysis

max time kernel
52s
max time network
143s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
25-09-2022 21:04

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General

Target

7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.exe
Size

1.8MB
MD5

a9e7d1dbd918dacbc8f3f20be56b9c17
SHA1

dda8196c27e26c363f10f1e695770f689b59292a
SHA256

7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2
SHA512

1503140882142e9bdd57df8ecaa47f2c388268cd47dd083cf7cd357d13130dd5bda773883b32cdf3f3fbeb36f174a676d1fc1ffa0139b4d45d8910152c33e636
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__	7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4088	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	7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.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	7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2656	7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.exe
2656	7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.exe
4088	oobeldr.exe
4088	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
4744	schtasks.exe
424	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2656	7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.exe
2656	7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.exe
2656	7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.exe
2656	7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.exe
4088	oobeldr.exe
4088	oobeldr.exe
4088	oobeldr.exe
4088	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 4744	2656	7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.exe	66
PID 2656 wrote to memory of 4744	2656	7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.exe	66
PID 2656 wrote to memory of 4744	2656	7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.exe	66
PID 4088 wrote to memory of 424	4088	oobeldr.exe	69
PID 4088 wrote to memory of 424	4088	oobeldr.exe	69
PID 4088 wrote to memory of 424	4088	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.exe
"C:\Users\Admin\AppData\Local\Temp\7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2.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:2656
- 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:4744

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:4088
- 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:424

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

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

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

Filesize
1.8MB

MD5
a9e7d1dbd918dacbc8f3f20be56b9c17

SHA1
dda8196c27e26c363f10f1e695770f689b59292a

SHA256
7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2

SHA512
1503140882142e9bdd57df8ecaa47f2c388268cd47dd083cf7cd357d13130dd5bda773883b32cdf3f3fbeb36f174a676d1fc1ffa0139b4d45d8910152c33e636

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

Filesize
1.8MB

MD5
a9e7d1dbd918dacbc8f3f20be56b9c17

SHA1
dda8196c27e26c363f10f1e695770f689b59292a

SHA256
7747b0d65cd80d7c31c52db2e9f4a6f953aad7602fb4f5745c401df68358f6c2

SHA512
1503140882142e9bdd57df8ecaa47f2c388268cd47dd083cf7cd357d13130dd5bda773883b32cdf3f3fbeb36f174a676d1fc1ffa0139b4d45d8910152c33e636

Download Submit
memory/2656-157-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-154-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-122-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-124-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-123-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-125-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-126-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-127-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-129-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-128-0x00000000001C0000-0x00000000004DF000-memory.dmp

Filesize
3.1MB

Download
memory/2656-130-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-131-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-132-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-133-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-134-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-135-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-136-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-137-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-138-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-139-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-140-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-141-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-142-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-143-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-144-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-145-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-148-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-147-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-149-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-158-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-150-0x00000000001C0000-0x00000000004DF000-memory.dmp

Filesize
3.1MB

Download
memory/2656-151-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-152-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-153-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-160-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-155-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-156-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-120-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-146-0x00000000025F0000-0x0000000002634000-memory.dmp

Filesize
272KB

Download
memory/2656-119-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-121-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-161-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-162-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-163-0x00000000001C0000-0x00000000004DF000-memory.dmp

Filesize
3.1MB

Download
memory/2656-164-0x00000000001C0000-0x00000000004DF000-memory.dmp

Filesize
3.1MB

Download
memory/2656-165-0x00000000001C0000-0x00000000004DF000-memory.dmp

Filesize
3.1MB

Download
memory/2656-166-0x00000000001C1000-0x00000000001C3000-memory.dmp

Filesize
8KB

Download
memory/2656-167-0x00000000001C1000-0x00000000001C3000-memory.dmp

Filesize
8KB

Download
memory/2656-168-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-169-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/2656-189-0x00000000001C0000-0x00000000004DF000-memory.dmp

Filesize
3.1MB

Download
memory/2656-190-0x00000000025F0000-0x0000000002634000-memory.dmp

Filesize
272KB

Download
memory/2656-159-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4088-256-0x0000000001400000-0x000000000154A000-memory.dmp

Filesize
1.3MB

Download
memory/4088-260-0x0000000000D00000-0x000000000101F000-memory.dmp

Filesize
3.1MB

Download
memory/4088-193-0x0000000000D00000-0x000000000101F000-memory.dmp

Filesize
3.1MB

Download
memory/4088-259-0x0000000001400000-0x000000000154A000-memory.dmp

Filesize
1.3MB

Download
memory/4088-258-0x0000000000D00000-0x000000000101F000-memory.dmp

Filesize
3.1MB

Download
memory/4088-257-0x0000000000D00000-0x000000000101F000-memory.dmp

Filesize
3.1MB

Download
memory/4744-176-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-178-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-179-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-180-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-188-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-171-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-172-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-183-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-177-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-175-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-174-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-173-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-182-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-184-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-185-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-186-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-187-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download
memory/4744-181-0x0000000077770000-0x00000000778FE000-memory.dmp

Filesize
1.6MB

Download