537a88d2c2c8cee418e6b1da94d655caa0ece2beb6c04fe1f96aeb199d87eded

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2024, 12:11

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General

Target

ssleay32.dll
Size

192KB
MD5

5023f4c4aaaa1b6e9d992d6bbdcd340b
SHA1

2165b4a8089a7c00dc586c983e8548653a4e0ce4
SHA256

59b1be1072dd4aca5ddcf9b66d5df8bec327b4891925ba2339fe6ac6a1bf6d19
SHA512

c2885d8a8daac7ff83991dd81c6b2993c874081ea8877511aedd61e31829b26d33d8d9e433c7c72dd79d4cdf5d2a6e484b980117549770df1d2f2f522f8a0758
SSDEEP

3072:whsCnSceRcwwWbLhF8KzwtF1TKXpE2y5jfFKRz+AAWeZJHR7u9Ea3Q0du1f:5TRVwWblFrzw31TKRatKVjqJHW3/d

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 2 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.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	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2484	2084	rundll32.exe	85
PID 2084 wrote to memory of 2484	2084	rundll32.exe	85
PID 2084 wrote to memory of 2484	2084	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ssleay32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ssleay32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2484

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
PID:3488

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

Replay Monitor

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Downloads

memory/2484-0-0x0000000002A00000-0x0000000002AFA000-memory.dmp

Filesize
1000KB

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