15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372

General

Target

15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.exe
Size

1.8MB
MD5

ff3e23847d643783653d11a67e373450
SHA1

21967eefb0aec6ab12126823b6d11229e0b275ef
SHA256

15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372
SHA512

ec0f7ce52992758355fb8d4164913272e39751b173077b15f509c2f7529de58ed3411787d1284007580003de38500742bfbef50fd535697d1a311d9d2c88de29
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__	15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4604	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	15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.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	15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4404	15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.exe
4404	15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.exe
4604	oobeldr.exe
4604	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
2620	schtasks.exe
1844	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4404	15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.exe
4404	15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.exe
4404	15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.exe
4404	15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.exe
4604	oobeldr.exe
4604	oobeldr.exe
4604	oobeldr.exe
4604	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4404 wrote to memory of 2620	4404	15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.exe	83
PID 4404 wrote to memory of 2620	4404	15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.exe	83
PID 4404 wrote to memory of 2620	4404	15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.exe	83
PID 4604 wrote to memory of 1844	4604	oobeldr.exe	94
PID 4604 wrote to memory of 1844	4604	oobeldr.exe	94
PID 4604 wrote to memory of 1844	4604	oobeldr.exe	94

C:\Users\Admin\AppData\Local\Temp\15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.exe
"C:\Users\Admin\AppData\Local\Temp\15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372.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:4404
- 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:2620

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:4604
- 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:1844

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
ff3e23847d643783653d11a67e373450

SHA1
21967eefb0aec6ab12126823b6d11229e0b275ef

SHA256
15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372

SHA512
ec0f7ce52992758355fb8d4164913272e39751b173077b15f509c2f7529de58ed3411787d1284007580003de38500742bfbef50fd535697d1a311d9d2c88de29

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

Filesize
1.8MB

MD5
ff3e23847d643783653d11a67e373450

SHA1
21967eefb0aec6ab12126823b6d11229e0b275ef

SHA256
15c22a6eb5b034932db4293f4e6a407302a75d762204c01d18ceab351f349372

SHA512
ec0f7ce52992758355fb8d4164913272e39751b173077b15f509c2f7529de58ed3411787d1284007580003de38500742bfbef50fd535697d1a311d9d2c88de29

Download Submit
memory/4404-137-0x0000000000991000-0x0000000000993000-memory.dmp

Filesize
8KB

Download
memory/4404-133-0x0000000000990000-0x0000000000CAF000-memory.dmp

Filesize
3.1MB

Download
memory/4404-138-0x0000000000991000-0x0000000000993000-memory.dmp

Filesize
8KB

Download
memory/4404-136-0x0000000000990000-0x0000000000CAF000-memory.dmp

Filesize
3.1MB

Download
memory/4404-140-0x0000000000990000-0x0000000000CAF000-memory.dmp

Filesize
3.1MB

Download
memory/4404-141-0x0000000077E40000-0x0000000077FE3000-memory.dmp

Filesize
1.6MB

Download
memory/4404-142-0x0000000002FA0000-0x0000000002FE4000-memory.dmp

Filesize
272KB

Download
memory/4404-135-0x0000000000990000-0x0000000000CAF000-memory.dmp

Filesize
3.1MB

Download
memory/4404-134-0x0000000002FA0000-0x0000000002FE4000-memory.dmp

Filesize
272KB

Download
memory/4404-132-0x0000000000990000-0x0000000000CAF000-memory.dmp

Filesize
3.1MB

Download
memory/4604-145-0x0000000000220000-0x000000000053F000-memory.dmp

Filesize
3.1MB

Download
memory/4604-147-0x0000000000221000-0x0000000000223000-memory.dmp

Filesize
8KB

Download
memory/4604-149-0x0000000000220000-0x000000000053F000-memory.dmp

Filesize
3.1MB

Download
memory/4604-150-0x0000000002CD0000-0x0000000002D14000-memory.dmp

Filesize
272KB

Download
memory/4604-151-0x0000000000220000-0x000000000053F000-memory.dmp

Filesize
3.1MB

Download
memory/4604-152-0x0000000077E40000-0x0000000077FE3000-memory.dmp

Filesize
1.6MB

Download
memory/4604-153-0x0000000000220000-0x000000000053F000-memory.dmp

Filesize
3.1MB

Download
memory/4604-154-0x0000000002CD0000-0x0000000002D14000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads