db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894

General

Target

db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.exe
Size

1.8MB
MD5

1055cacb496519b2beca1c0f53638ef3
SHA1

2c5325ff7b4f6621deb457bd94e732166e9e88cf
SHA256

db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894
SHA512

2e45543fc62f925137136f1323b5b4b22d4167bf2a839fbc09dd2d554f50fcc01efa3c0aa43ca1e7b364770a671b4d9ec8f3f49dbadc76b8468ac557dd209ca4
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__	db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4772	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	db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.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	db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
5012	db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.exe
5012	db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.exe
4772	oobeldr.exe
4772	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
2476	schtasks.exe
2440	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5012	db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.exe
5012	db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.exe
5012	db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.exe
5012	db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.exe
4772	oobeldr.exe
4772	oobeldr.exe
4772	oobeldr.exe
4772	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 2476	5012	db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.exe	82
PID 5012 wrote to memory of 2476	5012	db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.exe	82
PID 5012 wrote to memory of 2476	5012	db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.exe	82
PID 4772 wrote to memory of 2440	4772	oobeldr.exe	94
PID 4772 wrote to memory of 2440	4772	oobeldr.exe	94
PID 4772 wrote to memory of 2440	4772	oobeldr.exe	94

C:\Users\Admin\AppData\Local\Temp\db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.exe
"C:\Users\Admin\AppData\Local\Temp\db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894.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:5012
- 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:2476

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:4772
- 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:2440

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
1055cacb496519b2beca1c0f53638ef3

SHA1
2c5325ff7b4f6621deb457bd94e732166e9e88cf

SHA256
db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894

SHA512
2e45543fc62f925137136f1323b5b4b22d4167bf2a839fbc09dd2d554f50fcc01efa3c0aa43ca1e7b364770a671b4d9ec8f3f49dbadc76b8468ac557dd209ca4

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

Filesize
1.8MB

MD5
1055cacb496519b2beca1c0f53638ef3

SHA1
2c5325ff7b4f6621deb457bd94e732166e9e88cf

SHA256
db7a7c02c22154620f35881e0f55e936567deaddc98feae2de11443280e1b894

SHA512
2e45543fc62f925137136f1323b5b4b22d4167bf2a839fbc09dd2d554f50fcc01efa3c0aa43ca1e7b364770a671b4d9ec8f3f49dbadc76b8468ac557dd209ca4

Download Submit
memory/4772-155-0x0000000000D80000-0x000000000109F000-memory.dmp

Filesize
3.1MB

Download
memory/4772-154-0x0000000000710000-0x0000000000754000-memory.dmp

Filesize
272KB

Download
memory/4772-153-0x0000000000D80000-0x000000000109F000-memory.dmp

Filesize
3.1MB

Download
memory/4772-152-0x0000000077BF0000-0x0000000077D93000-memory.dmp

Filesize
1.6MB

Download
memory/4772-151-0x0000000000D80000-0x000000000109F000-memory.dmp

Filesize
3.1MB

Download
memory/4772-149-0x0000000000D81000-0x0000000000D83000-memory.dmp

Filesize
8KB

Download
memory/4772-147-0x0000000000710000-0x0000000000754000-memory.dmp

Filesize
272KB

Download
memory/4772-146-0x0000000000D80000-0x000000000109F000-memory.dmp

Filesize
3.1MB

Download
memory/5012-137-0x0000000000C71000-0x0000000000C73000-memory.dmp

Filesize
8KB

Download
memory/5012-143-0x0000000077BF0000-0x0000000077D93000-memory.dmp

Filesize
1.6MB

Download
memory/5012-142-0x0000000001010000-0x0000000001054000-memory.dmp

Filesize
272KB

Download
memory/5012-141-0x0000000000C70000-0x0000000000F8F000-memory.dmp

Filesize
3.1MB

Download
memory/5012-140-0x0000000077BF0000-0x0000000077D93000-memory.dmp

Filesize
1.6MB

Download
memory/5012-139-0x0000000000C70000-0x0000000000F8F000-memory.dmp

Filesize
3.1MB

Download
memory/5012-132-0x0000000000C70000-0x0000000000F8F000-memory.dmp

Filesize
3.1MB

Download
memory/5012-136-0x0000000000C71000-0x0000000000C73000-memory.dmp

Filesize
8KB

Download
memory/5012-135-0x0000000000C70000-0x0000000000F8F000-memory.dmp

Filesize
3.1MB

Download
memory/5012-134-0x0000000001010000-0x0000000001054000-memory.dmp

Filesize
272KB

Download
memory/5012-133-0x0000000000C70000-0x0000000000F8F000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads