07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322

General

Target

07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe
Size

508KB
MD5

4ba39b5315fbf5a357846db8800244c0
SHA1

3c0d869324c855cc9e2cc54c7a6786cb4516e122
SHA256

07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322
SHA512

c657f494346ef63b85eb24b31e2be401c60d45aa1c0ab38a5c4ebd1c920f7a974fc0f1f7fa01fb912b1fec8e4fdce350a0e6c823fb1c31a37bdca0e70ebe33b0
SSDEEP

12288:/y8RUAXZNHvLiW4LJf08YtlCvk1V10f24moBYWdC:/ytAXDHvLiVM1lCcPuf249YOC

Score

9^/10

discovery evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe

Executes dropped EXE 1 IoCs

pid	Process
2728	s4928.exe

Loads dropped DLL 4 IoCs

pid	Process
2664	07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe
2664	07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe
2664	07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe
2664	07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2664	07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe
2728	s4928.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	s4928.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2728	s4928.exe
2728	s4928.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2728	2664	07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe	30
PID 2664 wrote to memory of 2728	2664	07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe	30
PID 2664 wrote to memory of 2728	2664	07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe	30
PID 2664 wrote to memory of 2728	2664	07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe	30

C:\Users\Admin\AppData\Local\Temp\07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe
"C:\Users\Admin\AppData\Local\Temp\07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Users\Admin\AppData\Local\Temp\n4928\s4928.exe
  "C:\Users\Admin\AppData\Local\Temp\n4928\s4928.exe" ins.exe /e12601323 /u52fe2c91-49dc-40b7-b209-1f140a000013 /v"C:\Users\Admin\AppData\Local\Temp\07741d8c9218f716cdc25f9f081d82fecff437b1cc604f543bcaecfae8dd5322N.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\n4928\s4928.exe

Filesize
275KB

MD5
316287c0010874356127dd8b7bc17896

SHA1
0939ad854954393f052f5ba64b6c4b8e03a8866b

SHA256
69d0557e8d695a1d44ed91b643b93a01a2fd74056dc21bf334965f5045e8f4c9

SHA512
1d995b5e18bdf387a42d0029d20c1f2889fa70c5bc8895df674fc83e3b49bb2acd8031966b593cff2b72438bde929a50a7558adc1df5d8cae7097b8fedb39c1c

Download Submit
memory/2728-14-0x000007FEF646E000-0x000007FEF646F000-memory.dmp

Filesize
4KB

Download
memory/2728-15-0x0000000000910000-0x000000000091A000-memory.dmp

Filesize
40KB

Download
memory/2728-16-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2728-17-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2728-18-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads