f15c44f5e0edbc24d48862f40412298c4858d2884a91b66bf258466a744873b6

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
10-02-2025 12:14

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General

Target

$PLUGINSDIR/nsisdk.dll
Size

28KB
MD5

deb4db1ff057906c96e6f949e5862508
SHA1

495c8703a43826df4ac8de20efbbeebcd5263c13
SHA256

fc7ab6a88fe725de19804931655f6c61d4072495ebb1ddb73ddfac0dca7d0d1e
SHA512

b37348d57d774b66afd192c0d2cb95c261ea4b75874190fd4809249cfea5500eaa0d9ad09af2afe83904b29539796440663d6e916362acf9c21894809ea32d46
SSDEEP

384:Snw9iuDIPi/ij7m+1I+rqZTYmZLb/BLbyrDzbgVIdHk0iVqeyf/zBx+HUTRv:Sw1DSi/ija+1IHZzOzbgV+E0teyjG0

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2828	2200	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 2772 wrote to memory of 2200	2772	rundll32.exe	31
PID 2772 wrote to memory of 2200	2772	rundll32.exe	31
PID 2772 wrote to memory of 2200	2772	rundll32.exe	31
PID 2772 wrote to memory of 2200	2772	rundll32.exe	31
PID 2772 wrote to memory of 2200	2772	rundll32.exe	31
PID 2772 wrote to memory of 2200	2772	rundll32.exe	31
PID 2772 wrote to memory of 2200	2772	rundll32.exe	31
PID 2200 wrote to memory of 2828	2200	rundll32.exe	32
PID 2200 wrote to memory of 2828	2200	rundll32.exe	32
PID 2200 wrote to memory of 2828	2200	rundll32.exe	32
PID 2200 wrote to memory of 2828	2200	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisdk.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisdk.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 224
    3⤵
    - Program crash
    PID:2828

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/2200-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

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