9b85d6b53e95645934338f28d52fddf584ceb8e22583ceb6c34af44834d52a63

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-09-2024 05:16

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General

Target

docsis_cfg2.0.7/cygcrypto-0.9.7.dll
Size

848KB
MD5

ac2e747f6a39d514942374a470ed9728
SHA1

8a2986b4a4066bea5702d0396d09505dbdba7bc8
SHA256

e2e33a7b99c46a9f031c3ecda8fbf914eb87b9727cf4a9b7a09e5655d933e26f
SHA512

7e79fb22243f2820b1e6fe402072021239a51e0fa323be0d0480e2e81f6e63a14bb530f3c346a1113377d734c8b2a5e200432eb77285bc4b967880603252cdf9
SSDEEP

24576:Da55AxgXlfCc/T55glfLOdna4BQ7VNkD7Hgwb6:Y5AxgXlZF5glf2kZGgwb6

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
624	1684	WerFault.exe	30

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 use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 1684	2496	rundll32.exe	30
PID 2496 wrote to memory of 1684	2496	rundll32.exe	30
PID 2496 wrote to memory of 1684	2496	rundll32.exe	30
PID 2496 wrote to memory of 1684	2496	rundll32.exe	30
PID 2496 wrote to memory of 1684	2496	rundll32.exe	30
PID 2496 wrote to memory of 1684	2496	rundll32.exe	30
PID 2496 wrote to memory of 1684	2496	rundll32.exe	30
PID 1684 wrote to memory of 624	1684	rundll32.exe	31
PID 1684 wrote to memory of 624	1684	rundll32.exe	31
PID 1684 wrote to memory of 624	1684	rundll32.exe	31
PID 1684 wrote to memory of 624	1684	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\docsis_cfg2.0.7\cygcrypto-0.9.7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\docsis_cfg2.0.7\cygcrypto-0.9.7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 380
    3⤵
    - Program crash
    PID:624

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/1684-0-0x0000000061000000-0x000000006113C000-memory.dmp

Filesize
1.2MB

Download
memory/1684-1-0x0000000010000000-0x00000000100DA000-memory.dmp

Filesize
872KB

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