eca457c7e9258b7526c10dda70afb96f7af73718c19c4ede894cc40e56af77fa

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/01/2025, 01:17

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General

Target

2025-01-25_27b2027f92ca66969c3f2449010aba5c_avoslocker_cobalt-strike_luca-stealer.exe
Size

270KB
MD5

27b2027f92ca66969c3f2449010aba5c
SHA1

f4fc8e43ad5d15c3781c7b0812a3663d55c98643
SHA256

eca457c7e9258b7526c10dda70afb96f7af73718c19c4ede894cc40e56af77fa
SHA512

98c6b55170cedc5b1d27cc8775b1d2acd023d20956767bfe3b96cbe88ceb56abe042d575b66539fe7fb11aa43cf5978a3ce66b60534bb638468fbff4692a4689
SSDEEP

6144:tDOnyhORl/hfUStnsjngPq+Ar32coTinSReWYfpuyt4pxdmqxFB:tDIyhORl/pUSNsjngPMr3JoTimYfpuyE

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
332	cmd.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 3 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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-25_27b2027f92ca66969c3f2449010aba5c_avoslocker_cobalt-strike_luca-stealer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2025-01-25_27b2027f92ca66969c3f2449010aba5c_avoslocker_cobalt-strike_luca-stealer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2025-01-25_27b2027f92ca66969c3f2449010aba5c_avoslocker_cobalt-strike_luca-stealer.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
2176	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 332	2020	2025-01-25_27b2027f92ca66969c3f2449010aba5c_avoslocker_cobalt-strike_luca-stealer.exe	30
PID 2020 wrote to memory of 332	2020	2025-01-25_27b2027f92ca66969c3f2449010aba5c_avoslocker_cobalt-strike_luca-stealer.exe	30
PID 2020 wrote to memory of 332	2020	2025-01-25_27b2027f92ca66969c3f2449010aba5c_avoslocker_cobalt-strike_luca-stealer.exe	30
PID 2020 wrote to memory of 332	2020	2025-01-25_27b2027f92ca66969c3f2449010aba5c_avoslocker_cobalt-strike_luca-stealer.exe	30
PID 332 wrote to memory of 2176	332	cmd.exe	32
PID 332 wrote to memory of 2176	332	cmd.exe	32
PID 332 wrote to memory of 2176	332	cmd.exe	32
PID 332 wrote to memory of 2176	332	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\2025-01-25_27b2027f92ca66969c3f2449010aba5c_avoslocker_cobalt-strike_luca-stealer.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-25_27b2027f92ca66969c3f2449010aba5c_avoslocker_cobalt-strike_luca-stealer.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\buBGjbgD & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\2025-01-25_27b2027f92ca66969c3f2449010aba5c_avoslocker_cobalt-strike_luca-stealer.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:332
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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