883f2d83d04db88e62f5ecba1a8b34c78e2e2eb99074445d704ddab306147348

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
11/08/2024, 18:52

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General

Target

$PLUGINSDIR/NSISdl.dll
Size

14KB
MD5

a5b84d250794433db5a2d26f34699dd9
SHA1

bc06abccf6a4783973ec11b6766b43b4a265820c
SHA256

96f3357a024c549d7cb9e6447b1a56a2a8029b4f12e6e597428e68620761c5e0
SHA512

121d67f85a24096799ed913dccb64ef65d9479f98a6d88c2a0e05f05a65f460d557c5fdfe2c42a0a61b9cbaedd9b7031978111a2713250a89848ab4f3bb4ce84
SSDEEP

192:/4lsN55M8r67wmsvJI5a299sfoG8I+WhPB3RY+h/G3DNl/qYcVp/12FgszA:/ysdM80dCI5a2LsQ5IlPNRY00AlAbU

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2912	3040	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 2980 wrote to memory of 3040	2980	rundll32.exe	30
PID 2980 wrote to memory of 3040	2980	rundll32.exe	30
PID 2980 wrote to memory of 3040	2980	rundll32.exe	30
PID 2980 wrote to memory of 3040	2980	rundll32.exe	30
PID 2980 wrote to memory of 3040	2980	rundll32.exe	30
PID 2980 wrote to memory of 3040	2980	rundll32.exe	30
PID 2980 wrote to memory of 3040	2980	rundll32.exe	30
PID 3040 wrote to memory of 2912	3040	rundll32.exe	31
PID 3040 wrote to memory of 2912	3040	rundll32.exe	31
PID 3040 wrote to memory of 2912	3040	rundll32.exe	31
PID 3040 wrote to memory of 2912	3040	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2980
- 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:3040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 224
    3⤵
    - Program crash
    PID:2912

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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