9ce6ccb2d3d78eeec8af6e1cf03bc17392b359e4acd677ae9660efedc54e8740

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
26/07/2024, 20:05

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General

Target

$PLUGINSDIR/DcryptDll.dll
Size

14KB
MD5

904beebec2790ee2ca0c90fc448ac7e0
SHA1

40fabf1eb0a3b7168351c4514c5288216cb1566d
SHA256

f730d9385bf72eac5d579bcf1f7e4330f1d239ca1054d4ead48e9e363d9f4222
SHA512

8bdbbaaf73e396cf9fd9866b3e824b7e70c59a2bdefdb3236387e60d0e645d011265fe79fb193f6c0d6abe2e9c01260720c71cd8f068fcc4624760511c54efaa
SSDEEP

192:apY9VuCnNCbs8dNyHdrvr5T1KEtx/9ehuhiDTUkSv/DxRyeHk51I7n13Xm:aptMNUjyVvGWxauhiDDS3DnyK7nF

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2196	2424	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 2840 wrote to memory of 2424	2840	rundll32.exe	30
PID 2840 wrote to memory of 2424	2840	rundll32.exe	30
PID 2840 wrote to memory of 2424	2840	rundll32.exe	30
PID 2840 wrote to memory of 2424	2840	rundll32.exe	30
PID 2840 wrote to memory of 2424	2840	rundll32.exe	30
PID 2840 wrote to memory of 2424	2840	rundll32.exe	30
PID 2840 wrote to memory of 2424	2840	rundll32.exe	30
PID 2424 wrote to memory of 2196	2424	rundll32.exe	31
PID 2424 wrote to memory of 2196	2424	rundll32.exe	31
PID 2424 wrote to memory of 2196	2424	rundll32.exe	31
PID 2424 wrote to memory of 2196	2424	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\DcryptDll.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\DcryptDll.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 224
    3⤵
    - Program crash
    PID:2196

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

Windows 7 deprecation

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