24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3

General

Target

24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.exe
Size

1.8MB
MD5

48b2faf8f0460fff2438970d7fb5782e
SHA1

39a2d3a9d14cd4c78a5f39fa8670e48d7fb7e468
SHA256

24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3
SHA512

a137c9c36c4c6944de751a1422b985f319be94ff3cee9454d7171d82d70e8fac4266414e54ff2b8e0769fa548c68c5e70262ffe72731c5aed639ace9bb4b3e6a
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__	24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
2428	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	24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.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	24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
3628	24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.exe
3628	24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.exe
2428	oobeldr.exe
2428	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
2948	schtasks.exe
2504	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3628	24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.exe
3628	24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.exe
3628	24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.exe
3628	24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.exe
2428	oobeldr.exe
2428	oobeldr.exe
2428	oobeldr.exe
2428	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3628 wrote to memory of 2948	3628	24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.exe	85
PID 3628 wrote to memory of 2948	3628	24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.exe	85
PID 3628 wrote to memory of 2948	3628	24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.exe	85
PID 2428 wrote to memory of 2504	2428	oobeldr.exe	103
PID 2428 wrote to memory of 2504	2428	oobeldr.exe	103
PID 2428 wrote to memory of 2504	2428	oobeldr.exe	103

C:\Users\Admin\AppData\Local\Temp\24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.exe
"C:\Users\Admin\AppData\Local\Temp\24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3.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:3628
- 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:2948

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:2428
- 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:2504

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
48b2faf8f0460fff2438970d7fb5782e

SHA1
39a2d3a9d14cd4c78a5f39fa8670e48d7fb7e468

SHA256
24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3

SHA512
a137c9c36c4c6944de751a1422b985f319be94ff3cee9454d7171d82d70e8fac4266414e54ff2b8e0769fa548c68c5e70262ffe72731c5aed639ace9bb4b3e6a

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

Filesize
1.8MB

MD5
48b2faf8f0460fff2438970d7fb5782e

SHA1
39a2d3a9d14cd4c78a5f39fa8670e48d7fb7e468

SHA256
24c1ab9e50305a41c10b65efd23b2443570239921f5546600d1e4cf39fa98bc3

SHA512
a137c9c36c4c6944de751a1422b985f319be94ff3cee9454d7171d82d70e8fac4266414e54ff2b8e0769fa548c68c5e70262ffe72731c5aed639ace9bb4b3e6a

Download Submit
memory/2428-157-0x0000000000CF0000-0x0000000000D34000-memory.dmp

Filesize
272KB

Download
memory/2428-156-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/2428-155-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/2428-154-0x0000000077C70000-0x0000000077E13000-memory.dmp

Filesize
1.6MB

Download
memory/2428-153-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/2428-149-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/2428-148-0x0000000000CF0000-0x0000000000D34000-memory.dmp

Filesize
272KB

Download
memory/2428-147-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/2428-146-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/3628-143-0x0000000077C70000-0x0000000077E13000-memory.dmp

Filesize
1.6MB

Download
memory/3628-142-0x0000000000D50000-0x0000000000D94000-memory.dmp

Filesize
272KB

Download
memory/3628-141-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/3628-139-0x0000000001001000-0x0000000001003000-memory.dmp

Filesize
8KB

Download
memory/3628-138-0x0000000001001000-0x0000000001003000-memory.dmp

Filesize
8KB

Download
memory/3628-132-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/3628-137-0x0000000077C70000-0x0000000077E13000-memory.dmp

Filesize
1.6MB

Download
memory/3628-136-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/3628-135-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/3628-134-0x0000000000D50000-0x0000000000D94000-memory.dmp

Filesize
272KB

Download
memory/3628-133-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads