6eac8cfba64352b012271cf75d174c1551bff678c0ea31efd6f722cca8a0cdcd

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
31/03/2025, 05:39

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General

Target
libcrypto-1_1.dll
Size 2.6MB
Sample250331-gccxhstybw
SHA256 6eac8cfba64352b012271cf75d174c1551bff678c0ea31efd6f722cca8a0cdcd
MD5 187d26153cbdee3d6a8065be3f321a6c
SHA1 bc6ea077107f22b96dc99c1ee0deec6904a43ead
SHA512 0520c05abf8a5f9ec507c5d12518f23616f4751025b0a32b69cf8f72f692f59d905b4a61985ded38fed4d0e85f83e9b0dd094bd215af875c24a1b492b47a2b97
SSDEEP 49152:3z1CPwDv3uFyiLvpDYR6b0Izz/m238/xNn4j6quw0TndqQTRHqsd+IJZLy5SNq85:3z1CPwDv3uFyiLvp4C9zzYxN4OtbHq27
MD5 SHA1 SHA512 SSDEEP

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2972	rundll32.exe

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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2972	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 2972	2916	rundll32.exe	30
PID 2916 wrote to memory of 2972	2916	rundll32.exe	30
PID 2916 wrote to memory of 2972	2916	rundll32.exe	30
PID 2916 wrote to memory of 2972	2916	rundll32.exe	30
PID 2916 wrote to memory of 2972	2916	rundll32.exe	30
PID 2916 wrote to memory of 2972	2916	rundll32.exe	30
PID 2916 wrote to memory of 2972	2916	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libcrypto-1_1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\libcrypto-1_1.dll,#1
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2972-3-0x0000000000100000-0x0000000000101000-memory.dmp

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memory/2972-4-0x0000000010000000-0x00000000104C0000-memory.dmp

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memory/2972-1-0x0000000010000000-0x00000000104C0000-memory.dmp

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memory/2972-2-0x0000000010000000-0x00000000104C0000-memory.dmp

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memory/2972-0-0x0000000010000000-0x00000000104C0000-memory.dmp

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memory/2972-5-0x0000000077710000-0x00000000777BC000-memory.dmp

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memory/2972-7-0x00000000774D0000-0x0000000077505000-memory.dmp

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memory/2972-13-0x00000000001C0000-0x0000000000213000-memory.dmp

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memory/2972-15-0x0000000010001000-0x000000001018D000-memory.dmp

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memory/2972-14-0x0000000010000000-0x00000000104C0000-memory.dmp

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memory/2972-12-0x0000000077D40000-0x0000000077D46000-memory.dmp

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