c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229

Analysis

max time kernel
146s
max time network
149s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
30/09/2022, 09:57

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General

Target

c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.exe
Size

1.8MB
MD5

e8c9bc0feb27e4cb3890a821b249b5a1
SHA1

615cdb311f985c3b926dea651522e7e4a3ecf12a
SHA256

c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229
SHA512

a734613732dac1c1421b784311e7a15e57538577fe34fc9e14cd1403ed976b298d80f3345154c6dabf6a8f5b199a6d6bec8116e85d03830874954b8ca6569a90
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__	c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
3316	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	c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.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	c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
3468	c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.exe
3468	c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.exe
3316	oobeldr.exe
3316	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
4760	schtasks.exe
3544	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3468	c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.exe
3468	c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.exe
3468	c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.exe
3468	c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.exe
3316	oobeldr.exe
3316	oobeldr.exe
3316	oobeldr.exe
3316	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3468 wrote to memory of 4760	3468	c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.exe	66
PID 3468 wrote to memory of 4760	3468	c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.exe	66
PID 3468 wrote to memory of 4760	3468	c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.exe	66
PID 3316 wrote to memory of 3544	3316	oobeldr.exe	69
PID 3316 wrote to memory of 3544	3316	oobeldr.exe	69
PID 3316 wrote to memory of 3544	3316	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.exe
"C:\Users\Admin\AppData\Local\Temp\c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229.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:3468
- 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:4760

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:3316
- 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:3544

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
e8c9bc0feb27e4cb3890a821b249b5a1

SHA1
615cdb311f985c3b926dea651522e7e4a3ecf12a

SHA256
c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229

SHA512
a734613732dac1c1421b784311e7a15e57538577fe34fc9e14cd1403ed976b298d80f3345154c6dabf6a8f5b199a6d6bec8116e85d03830874954b8ca6569a90

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

Filesize
1.8MB

MD5
e8c9bc0feb27e4cb3890a821b249b5a1

SHA1
615cdb311f985c3b926dea651522e7e4a3ecf12a

SHA256
c20ec7be9c40520907f7a87afac0c9c6b63f36a05ba1b094824669b407a06229

SHA512
a734613732dac1c1421b784311e7a15e57538577fe34fc9e14cd1403ed976b298d80f3345154c6dabf6a8f5b199a6d6bec8116e85d03830874954b8ca6569a90

Download Submit
memory/3316-209-0x0000000000D80000-0x000000000109F000-memory.dmp

Filesize
3.1MB

Download
memory/3316-259-0x0000000000D80000-0x000000000109F000-memory.dmp

Filesize
3.1MB

Download
memory/3316-258-0x0000000001400000-0x000000000154A000-memory.dmp

Filesize
1.3MB

Download
memory/3316-257-0x0000000000D80000-0x000000000109F000-memory.dmp

Filesize
3.1MB

Download
memory/3316-256-0x0000000000D80000-0x000000000109F000-memory.dmp

Filesize
3.1MB

Download
memory/3316-255-0x0000000001400000-0x000000000154A000-memory.dmp

Filesize
1.3MB

Download
memory/3468-156-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-161-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-127-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-129-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-128-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-126-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-131-0x00000000008F0000-0x0000000000C0F000-memory.dmp

Filesize
3.1MB

Download
memory/3468-132-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-158-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-134-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-135-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-136-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-138-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-139-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-140-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-141-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-137-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-130-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-142-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-143-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-144-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-145-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-146-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-148-0x0000000002710000-0x0000000002754000-memory.dmp

Filesize
272KB

Download
memory/3468-147-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-160-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-150-0x00000000008F0000-0x0000000000C0F000-memory.dmp

Filesize
3.1MB

Download
memory/3468-151-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-152-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-153-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-154-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-155-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-124-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-157-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-133-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-125-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-149-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-159-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-163-0x00000000008F0000-0x0000000000C0F000-memory.dmp

Filesize
3.1MB

Download
memory/3468-164-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-162-0x00000000008F0000-0x0000000000C0F000-memory.dmp

Filesize
3.1MB

Download
memory/3468-165-0x00000000008F1000-0x00000000008F3000-memory.dmp

Filesize
8KB

Download
memory/3468-166-0x00000000008F1000-0x00000000008F3000-memory.dmp

Filesize
8KB

Download
memory/3468-167-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-168-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-188-0x00000000008F0000-0x0000000000C0F000-memory.dmp

Filesize
3.1MB

Download
memory/3468-189-0x0000000002710000-0x0000000002754000-memory.dmp

Filesize
272KB

Download
memory/3468-119-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-120-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-121-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-122-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-123-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-173-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-175-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-177-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-172-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-179-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-180-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-181-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-182-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-176-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-174-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-178-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-171-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-170-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-183-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-184-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-185-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-186-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-187-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download