39a024238794aea66ee477a7b4aabbf0a9aeb22ca75acdd9c7c33e74f710ab72

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
24/04/2024, 03:48

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General

Target

2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.exe
Size

500KB
MD5

b16e28f1e1663e38c29d02b9383532b8
SHA1

944915c030ca7892517490d6dbb5dbe89b910cd0
SHA256

39a024238794aea66ee477a7b4aabbf0a9aeb22ca75acdd9c7c33e74f710ab72
SHA512

107d3bf945bce804fa17721d7d19bd50fabc826d680a4627969a5512602471814fc6201e638495051dd455c68827a4264541355c011b3f38b360b5e89fd7f33d
SSDEEP

12288:scuA7U+EljXJBh+tli2vklUHM13sfoBjW4i:scuA7U+85BCl/cSHMlsujRi

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__	2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.exe

Executes dropped EXE 1 IoCs

pid	Process
764	s4885.exe

Loads dropped DLL 4 IoCs

pid	Process
2944	2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.exe
2944	2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.exe
2944	2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.exe
2944	2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.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	2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2944	2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.exe
764	s4885.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	764	s4885.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
764	s4885.exe
764	s4885.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 764	2944	2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.exe	28
PID 2944 wrote to memory of 764	2944	2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.exe	28
PID 2944 wrote to memory of 764	2944	2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.exe	28
PID 2944 wrote to memory of 764	2944	2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.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:2944
- C:\Users\Admin\AppData\Local\Temp\n4885\s4885.exe
  "C:\Users\Admin\AppData\Local\Temp\n4885\s4885.exe" ins.exe /e12290641 /u5280fdf5-b928-4cc4-9510-17bb0a000013 /v"C:\Users\Admin\AppData\Local\Temp\2024-04-24_b16e28f1e1663e38c29d02b9383532b8_mafia.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:764

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\n4885\s4885.exe

Filesize
275KB

MD5
316287c0010874356127dd8b7bc17896

SHA1
0939ad854954393f052f5ba64b6c4b8e03a8866b

SHA256
69d0557e8d695a1d44ed91b643b93a01a2fd74056dc21bf334965f5045e8f4c9

SHA512
1d995b5e18bdf387a42d0029d20c1f2889fa70c5bc8895df674fc83e3b49bb2acd8031966b593cff2b72438bde929a50a7558adc1df5d8cae7097b8fedb39c1c

Download Submit
memory/764-14-0x0000000000920000-0x000000000092A000-memory.dmp

Filesize
40KB

Download
memory/764-15-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

Filesize
9.6MB

Download
memory/764-16-0x0000000000980000-0x0000000000A00000-memory.dmp

Filesize
512KB

Download
memory/764-17-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

Filesize
9.6MB

Download
memory/764-18-0x0000000000980000-0x0000000000A00000-memory.dmp

Filesize
512KB

Download
memory/764-19-0x0000000000980000-0x0000000000A00000-memory.dmp

Filesize
512KB

Download
memory/764-20-0x0000000000980000-0x0000000000A00000-memory.dmp

Filesize
512KB

Download
memory/764-21-0x0000000000980000-0x0000000000A00000-memory.dmp

Filesize
512KB

Download
memory/764-22-0x0000000000980000-0x0000000000A00000-memory.dmp

Filesize
512KB

Download
memory/764-23-0x0000000000980000-0x0000000000A00000-memory.dmp

Filesize
512KB

Download
memory/764-24-0x000007FEF5D00000-0x000007FEF669D000-memory.dmp

Filesize
9.6MB

Download