4063e9392a870c336313c33c498fccff27bc86a20b925e3d9d418b20613eee4b

General

Target

3714bf1b2ccb2d589bbf9fc56b95f34f.exe
Size

3.8MB
MD5

3714bf1b2ccb2d589bbf9fc56b95f34f
SHA1

094ca2a456841a37d53724f9cd242af7f2a87945
SHA256

4063e9392a870c336313c33c498fccff27bc86a20b925e3d9d418b20613eee4b
SHA512

44271307b886aadc028e5874444d4241ba9790bba8fa7cf8b93371f051261b2adab065012fa84ce8674a43df07bdba63761cb614dc0c986982718a2276f241bc
SSDEEP

98304:TY+I/xOyEEaO5PsR9urjsFFZ9iZ1+AhMr+rCIvdvA92RxHGf:TZI/AyEEf5zrIZ9i+9rBKxlhm

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__	3714bf1b2ccb2d589bbf9fc56b95f34f.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	svcupdater.exe

Executes dropped EXE 1 IoCs

pid	Process
520	svcupdater.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\VideoBiosVersion	3714bf1b2ccb2d589bbf9fc56b95f34f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svcupdater.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svcupdater.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3714bf1b2ccb2d589bbf9fc56b95f34f.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	3714bf1b2ccb2d589bbf9fc56b95f34f.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svcupdater.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1960	schtasks.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 1960	828	3714bf1b2ccb2d589bbf9fc56b95f34f.exe	27
PID 828 wrote to memory of 1960	828	3714bf1b2ccb2d589bbf9fc56b95f34f.exe	27
PID 828 wrote to memory of 1960	828	3714bf1b2ccb2d589bbf9fc56b95f34f.exe	27
PID 828 wrote to memory of 1960	828	3714bf1b2ccb2d589bbf9fc56b95f34f.exe	27
PID 460 wrote to memory of 520	460	taskeng.exe	30
PID 460 wrote to memory of 520	460	taskeng.exe	30
PID 460 wrote to memory of 520	460	taskeng.exe	30
PID 460 wrote to memory of 520	460	taskeng.exe	30
PID 460 wrote to memory of 520	460	taskeng.exe	30
PID 460 wrote to memory of 520	460	taskeng.exe	30
PID 460 wrote to memory of 520	460	taskeng.exe	30

C:\Users\Admin\AppData\Local\Temp\3714bf1b2ccb2d589bbf9fc56b95f34f.exe
"C:\Users\Admin\AppData\Local\Temp\3714bf1b2ccb2d589bbf9fc56b95f34f.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
PID:828
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /tn "svcupdater" /tr "C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f
  2⤵
  - Creates scheduled task(s)
  PID:1960

C:\Windows\system32\taskeng.exe
taskeng.exe {9575156F-975B-422C-A940-3FC49633F028} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:460
- C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe
  C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Executes dropped EXE
  - Checks BIOS information in registry
  - Checks whether UAC is enabled
  PID:520

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

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe

Filesize
269.9MB

MD5
a47d92408900cdc584c289bc62b521cd

SHA1
7860662a968d407a4879657ff68aedf94b3f6e83

SHA256
288133b239e46891090ff2ae38af6376ac711e9ebf2ac4f2d4a96bcc9c7e918f

SHA512
ba6118fcdcd2011e8771a44acf90f7b994fac3eaaaea719ff04a9c292a622f85060f74e907abdceb5e3c03086dd5feca86eb41329aebe87ed2c27ad393e56d2f

Download Submit
C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe

Filesize
267.8MB

MD5
4baf732e39fac484b0e3608622c306c2

SHA1
b58bbffb33606d3fa7191d5197715bf4d65bb07f

SHA256
a57b2737a34185140b9147d5049d731722b595bb5076eb251bcc80b46bac7147

SHA512
eae73c41d6e33ef0c7d15855f0a36bb53231ec0b323bdae419c99ee85127da03766e996cd5c79d82f6be5d67aa49e93578c2cdcea45c875459852a9db1cc2f7d

Download Submit
memory/520-63-0x0000000000FA0000-0x000000000136F000-memory.dmp

Filesize
3.8MB

Download
memory/520-64-0x0000000000FA0000-0x000000000136F000-memory.dmp

Filesize
3.8MB

Download
memory/520-65-0x0000000000FA0000-0x000000000136F000-memory.dmp

Filesize
3.8MB

Download
memory/828-54-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

Filesize
8KB

Download
memory/828-55-0x0000000000EB0000-0x000000000127F000-memory.dmp

Filesize
3.8MB

Download
memory/828-56-0x0000000000EB0000-0x000000000127F000-memory.dmp

Filesize
3.8MB

Download
memory/828-58-0x0000000000EB0000-0x000000000127F000-memory.dmp

Filesize
3.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads