dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e

General

Target

dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe
Size

1.8MB
MD5

57bd0f24135ce0f153457d92c67ca3f4
SHA1

137da7b2d8ad6f977fa552d07c70b1dc02a2e565
SHA256

dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e
SHA512

52c7cb0ecf861093ca3fd6431031b768720350f2d19f3e679c7e4fb0ea549317d54820bec2c8f6cf711b0590747bc686f7dee7579242663664091be648404a05
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

Processes:

dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exeoobeldr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

Processes:

oobeldr.exe

pid process

688 oobeldr.exe

pid	process
688	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

Processes:

dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.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

Processes:

oobeldr.exedac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exeoobeldr.exe

pid	process
4824	dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe
4824	dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe
688	oobeldr.exe
688	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

Processes:

schtasks.exeschtasks.exe

pid process

5056 schtasks.exe
3724 schtasks.exe

pid	process
5056	schtasks.exe
3724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exeoobeldr.exe

pid	process
4824	dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe
4824	dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe
4824	dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe
4824	dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe
688	oobeldr.exe
688	oobeldr.exe
688	oobeldr.exe
688	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exeoobeldr.exe

description	pid	process	target process
PID 4824 wrote to memory of 5056	4824	dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe	schtasks.exe
PID 4824 wrote to memory of 5056	4824	dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe	schtasks.exe
PID 4824 wrote to memory of 5056	4824	dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe	schtasks.exe
PID 688 wrote to memory of 3724	688	oobeldr.exe	schtasks.exe
PID 688 wrote to memory of 3724	688	oobeldr.exe	schtasks.exe
PID 688 wrote to memory of 3724	688	oobeldr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.exe
"C:\Users\Admin\AppData\Local\Temp\dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e.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:4824

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:5056

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:688

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:3724

Network

MITRE ATT&CK Matrix ATT&CK 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

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Filesize
1.8MB

MD5
57bd0f24135ce0f153457d92c67ca3f4

SHA1
137da7b2d8ad6f977fa552d07c70b1dc02a2e565

SHA256
dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e

SHA512
52c7cb0ecf861093ca3fd6431031b768720350f2d19f3e679c7e4fb0ea549317d54820bec2c8f6cf711b0590747bc686f7dee7579242663664091be648404a05

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Filesize
1.8MB

MD5
57bd0f24135ce0f153457d92c67ca3f4

SHA1
137da7b2d8ad6f977fa552d07c70b1dc02a2e565

SHA256
dac6dc38f7cbd0337407b34c9dff11b72e65df08637f18e450e02c5dcd23cf5e

SHA512
52c7cb0ecf861093ca3fd6431031b768720350f2d19f3e679c7e4fb0ea549317d54820bec2c8f6cf711b0590747bc686f7dee7579242663664091be648404a05

Download Submit
memory/688-157-0x0000000000830000-0x0000000000B4F000-memory.dmp

Filesize
3.1MB

Download
memory/688-156-0x0000000002920000-0x0000000002964000-memory.dmp

Filesize
272KB

Download
memory/688-155-0x0000000000830000-0x0000000000B4F000-memory.dmp

Filesize
3.1MB

Download
memory/688-154-0x0000000077270000-0x0000000077413000-memory.dmp

Filesize
1.6MB

Download
memory/688-153-0x0000000000830000-0x0000000000B4F000-memory.dmp

Filesize
3.1MB

Download
memory/688-151-0x0000000000831000-0x0000000000833000-memory.dmp

Filesize
8KB

Download
memory/688-149-0x0000000000830000-0x0000000000B4F000-memory.dmp

Filesize
3.1MB

Download
memory/688-148-0x0000000002920000-0x0000000002964000-memory.dmp

Filesize
272KB

Download
memory/688-147-0x0000000000830000-0x0000000000B4F000-memory.dmp

Filesize
3.1MB

Download
memory/688-146-0x0000000000830000-0x0000000000B4F000-memory.dmp

Filesize
3.1MB

Download
memory/3724-152-0x0000000000000000-mapping.dmp

Download
memory/4824-143-0x0000000077270000-0x0000000077413000-memory.dmp

Filesize
1.6MB

Download
memory/4824-142-0x00000000007F0000-0x0000000000B0F000-memory.dmp

Filesize
3.1MB

Download
memory/4824-141-0x0000000000B40000-0x0000000000B84000-memory.dmp

Filesize
272KB

Download
memory/4824-140-0x0000000077270000-0x0000000077413000-memory.dmp

Filesize
1.6MB

Download
memory/4824-139-0x00000000007F0000-0x0000000000B0F000-memory.dmp

Filesize
3.1MB

Download
memory/4824-132-0x00000000007F0000-0x0000000000B0F000-memory.dmp

Filesize
3.1MB

Download
memory/4824-137-0x00000000007F1000-0x00000000007F3000-memory.dmp

Filesize
8KB

Download
memory/4824-136-0x00000000007F1000-0x00000000007F3000-memory.dmp

Filesize
8KB

Download
memory/4824-135-0x00000000007F0000-0x0000000000B0F000-memory.dmp

Filesize
3.1MB

Download
memory/4824-134-0x0000000000B40000-0x0000000000B84000-memory.dmp

Filesize
272KB

Download
memory/4824-133-0x00000000007F0000-0x0000000000B0F000-memory.dmp

Filesize
3.1MB

Download
memory/5056-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads