a953b96b3a2a0e7a5f864dba710e7b27b4bcb4b938f314ee34ce42d1a023712f

Analysis

max time kernel
117s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 21:49

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General

Target

$PLUGINSDIR/NSISdl.dll
Size

14KB
MD5

88bbaee1059dcba83cce60777e90a423
SHA1

a0369b986bed181c9cbd70e573754d48f7930119
SHA256

19add6d77910f00709d52d1118765d9117246beb3d40ed227376e3a8380f8307
SHA512

9d6160ff34c6a7c9e91102374abd6611defc9588c7ce7dd8238d4023b2db79ff127aad9dbbffae68651de9e8206acced33b9960ca4a21eb7e6dcd6aa8c39c805
SSDEEP

192:tUZTobBDJ68r67wmsvJI5ad9cXzFOVu+mZ/P3p+57CvpVqDxVp01Dwn2GRPbsfA:6Bo/680dCI5adOjFOg9//p27uNw27o

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1904	1644	WerFault.exe	31

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 1440 wrote to memory of 1644	1440	rundll32.exe	31
PID 1440 wrote to memory of 1644	1440	rundll32.exe	31
PID 1440 wrote to memory of 1644	1440	rundll32.exe	31
PID 1440 wrote to memory of 1644	1440	rundll32.exe	31
PID 1440 wrote to memory of 1644	1440	rundll32.exe	31
PID 1440 wrote to memory of 1644	1440	rundll32.exe	31
PID 1440 wrote to memory of 1644	1440	rundll32.exe	31
PID 1644 wrote to memory of 1904	1644	rundll32.exe	32
PID 1644 wrote to memory of 1904	1644	rundll32.exe	32
PID 1644 wrote to memory of 1904	1644	rundll32.exe	32
PID 1644 wrote to memory of 1904	1644	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1440
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1644
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 224
    3⤵
    - Program crash
    PID:1904

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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