576baad9eb890eb36128a2677d133e9864da403ba6f937c1dae6b75e9d8a5a7a

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
22/07/2024, 06:28

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General

Target

71d5e8282abbe5c45ed3cb40515bdb30N.exe
Size

507KB
MD5

71d5e8282abbe5c45ed3cb40515bdb30
SHA1

3232b234010e12308ea6bb6a461a7f5caa7840a7
SHA256

576baad9eb890eb36128a2677d133e9864da403ba6f937c1dae6b75e9d8a5a7a
SHA512

f06fcf883c847c3fd08a3c75022b93985fdb17019f27722352e1686740ab4e688b05c7cf4c9661bf6f4da126fe5e2f803b4e6e1c14a89b9c67ffc9c0e6a0dbdd
SSDEEP

12288:my8RUAXZNHvLiW4LJf08YtlCvk1V10f24moBYWdD:mytAXDHvLiVM1lCcPuf249YOD

Score

9^/10

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__	71d5e8282abbe5c45ed3cb40515bdb30N.exe

Executes dropped EXE 1 IoCs

pid	Process
2116	s4281.exe

Loads dropped DLL 4 IoCs

pid	Process
1628	71d5e8282abbe5c45ed3cb40515bdb30N.exe
1628	71d5e8282abbe5c45ed3cb40515bdb30N.exe
1628	71d5e8282abbe5c45ed3cb40515bdb30N.exe
1628	71d5e8282abbe5c45ed3cb40515bdb30N.exe

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

System Information Discovery
T1082

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	71d5e8282abbe5c45ed3cb40515bdb30N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	71d5e8282abbe5c45ed3cb40515bdb30N.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1628	71d5e8282abbe5c45ed3cb40515bdb30N.exe
1628	71d5e8282abbe5c45ed3cb40515bdb30N.exe
2116	s4281.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	s4281.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2116	s4281.exe
2116	s4281.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2116	1628	71d5e8282abbe5c45ed3cb40515bdb30N.exe	30
PID 1628 wrote to memory of 2116	1628	71d5e8282abbe5c45ed3cb40515bdb30N.exe	30
PID 1628 wrote to memory of 2116	1628	71d5e8282abbe5c45ed3cb40515bdb30N.exe	30
PID 1628 wrote to memory of 2116	1628	71d5e8282abbe5c45ed3cb40515bdb30N.exe	30

C:\Users\Admin\AppData\Local\Temp\71d5e8282abbe5c45ed3cb40515bdb30N.exe
"C:\Users\Admin\AppData\Local\Temp\71d5e8282abbe5c45ed3cb40515bdb30N.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Loads dropped DLL
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Users\Admin\AppData\Local\Temp\n4281\s4281.exe
  "C:\Users\Admin\AppData\Local\Temp\n4281\s4281.exe" ins.exe /e12388104 /u52fe2c91-49dc-40b7-b209-1f140a000013 /v"C:\Users\Admin\AppData\Local\Temp\71d5e8282abbe5c45ed3cb40515bdb30N.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\n4281\s4281.exe

Filesize
275KB

MD5
316287c0010874356127dd8b7bc17896

SHA1
0939ad854954393f052f5ba64b6c4b8e03a8866b

SHA256
69d0557e8d695a1d44ed91b643b93a01a2fd74056dc21bf334965f5045e8f4c9

SHA512
1d995b5e18bdf387a42d0029d20c1f2889fa70c5bc8895df674fc83e3b49bb2acd8031966b593cff2b72438bde929a50a7558adc1df5d8cae7097b8fedb39c1c

Download Submit
memory/2116-14-0x000007FEF496E000-0x000007FEF496F000-memory.dmp

Filesize
4KB

Download
memory/2116-15-0x0000000000350000-0x000000000035A000-memory.dmp

Filesize
40KB

Download
memory/2116-16-0x000007FEF46B0000-0x000007FEF504D000-memory.dmp

Filesize
9.6MB

Download
memory/2116-17-0x000007FEF46B0000-0x000007FEF504D000-memory.dmp

Filesize
9.6MB

Download
memory/2116-18-0x000007FEF46B0000-0x000007FEF504D000-memory.dmp

Filesize
9.6MB

Download