bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878

Analysis

max time kernel
79s
max time network
55s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
17/09/2022, 11:17

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General

Target

bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe
Size

1.8MB
MD5

dcd646ec629abac864fc5c48400cff85
SHA1

f67f26b44af0a75cd904e6794d4af1b76b60cc1c
SHA256

bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878
SHA512

69a009b7d35b3e04b14b4d459fa342621eab934d6bab994932896705170fa0e88a59377549ba448ce5cc0b5def4306e9b820319f32060dcc13db6ba4aeaf4242
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__	bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
3140	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\VideoBiosVersion	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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	bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2100	bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe
2100	bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe
3140	oobeldr.exe
3140	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
1476	schtasks.exe
4920	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2100	bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe
2100	bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe
2100	bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe
2100	bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe
3140	oobeldr.exe
3140	oobeldr.exe
3140	oobeldr.exe
3140	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 1476	2100	bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe	66
PID 2100 wrote to memory of 1476	2100	bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe	66
PID 2100 wrote to memory of 1476	2100	bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe	66
PID 3140 wrote to memory of 4920	3140	oobeldr.exe	69
PID 3140 wrote to memory of 4920	3140	oobeldr.exe	69
PID 3140 wrote to memory of 4920	3140	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.exe
"C:\Users\Admin\AppData\Local\Temp\bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878.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:2100
- 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:1476

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:3140
- 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:4920

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
dcd646ec629abac864fc5c48400cff85

SHA1
f67f26b44af0a75cd904e6794d4af1b76b60cc1c

SHA256
bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878

SHA512
69a009b7d35b3e04b14b4d459fa342621eab934d6bab994932896705170fa0e88a59377549ba448ce5cc0b5def4306e9b820319f32060dcc13db6ba4aeaf4242

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

Filesize
1.8MB

MD5
dcd646ec629abac864fc5c48400cff85

SHA1
f67f26b44af0a75cd904e6794d4af1b76b60cc1c

SHA256
bc6590706820a1494bf70c42400c3f0f1897402d1a106e1af22801fe737d6878

SHA512
69a009b7d35b3e04b14b4d459fa342621eab934d6bab994932896705170fa0e88a59377549ba448ce5cc0b5def4306e9b820319f32060dcc13db6ba4aeaf4242

Download Submit
memory/1476-181-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-188-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-187-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-186-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-185-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-184-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-183-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-182-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-180-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-179-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-178-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-177-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-176-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-175-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-174-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-173-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-172-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/1476-171-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-140-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-141-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-143-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-144-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-146-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-145-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-147-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-148-0x00000000027E0000-0x0000000002824000-memory.dmp

Filesize
272KB

Download
memory/2100-149-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-150-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-151-0x0000000000C20000-0x0000000000F3F000-memory.dmp

Filesize
3.1MB

Download
memory/2100-152-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-153-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-154-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-156-0x0000000000C20000-0x0000000000F3F000-memory.dmp

Filesize
3.1MB

Download
memory/2100-155-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-157-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-158-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-159-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-160-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-162-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-161-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-163-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-164-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-165-0x0000000000C21000-0x0000000000C23000-memory.dmp

Filesize
8KB

Download
memory/2100-166-0x0000000000C21000-0x0000000000C23000-memory.dmp

Filesize
8KB

Download
memory/2100-167-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-168-0x0000000000C20000-0x0000000000F3F000-memory.dmp

Filesize
3.1MB

Download
memory/2100-169-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-142-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-120-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-139-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-138-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-137-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-136-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-135-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-134-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-133-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-132-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-131-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-130-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-129-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-128-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-127-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-126-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-125-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-124-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-123-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-189-0x0000000000C20000-0x0000000000F3F000-memory.dmp

Filesize
3.1MB

Download
memory/2100-190-0x00000000027E0000-0x0000000002824000-memory.dmp

Filesize
272KB

Download
memory/2100-122-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/2100-121-0x0000000000C20000-0x0000000000F3F000-memory.dmp

Filesize
3.1MB

Download
memory/3140-205-0x0000000000D10000-0x000000000102F000-memory.dmp

Filesize
3.1MB

Download
memory/3140-256-0x0000000002430000-0x0000000002474000-memory.dmp

Filesize
272KB

Download
memory/3140-257-0x0000000000D10000-0x000000000102F000-memory.dmp

Filesize
3.1MB

Download
memory/3140-258-0x0000000000D10000-0x000000000102F000-memory.dmp

Filesize
3.1MB

Download
memory/3140-259-0x0000000002430000-0x0000000002474000-memory.dmp

Filesize
272KB

Download
memory/3140-260-0x0000000000D10000-0x000000000102F000-memory.dmp

Filesize
3.1MB

Download