d3a260d55d7c160b3f089e2dc5ba977dab95f7c9b149d1d33b5efa8b12202af2

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
09/10/2024, 04:20

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General

Target

$PLUGINSDIR/NSISdl.dll
Size

82KB
MD5

cb1facc94ddb9f50fcfc176444d01063
SHA1

3ddd287a0aa1e376b9b200ee546c3b68f1e48ec7
SHA256

740889b170366dd60b93e0f381bc885be2a0591ea8905e48f9bd9830cb266436
SHA512

5bd93e8e45b35c8d89040d01756a71890c1e8bd60b71e9945e8ccdd55e327816b596c03ea2222acee9c5f5edef85e5167403f4735e9303bfed8bfa739831d464
SSDEEP

1536:nKHghY8sc+h3f3A9yBZgqCZMEeVDaDUg566Xo:KHghnsb7uCVGUg5jo

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3044	1128	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 2568 wrote to memory of 1128	2568	rundll32.exe	30
PID 2568 wrote to memory of 1128	2568	rundll32.exe	30
PID 2568 wrote to memory of 1128	2568	rundll32.exe	30
PID 2568 wrote to memory of 1128	2568	rundll32.exe	30
PID 2568 wrote to memory of 1128	2568	rundll32.exe	30
PID 2568 wrote to memory of 1128	2568	rundll32.exe	30
PID 2568 wrote to memory of 1128	2568	rundll32.exe	30
PID 1128 wrote to memory of 3044	1128	rundll32.exe	31
PID 1128 wrote to memory of 3044	1128	rundll32.exe	31
PID 1128 wrote to memory of 3044	1128	rundll32.exe	31
PID 1128 wrote to memory of 3044	1128	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:2568
- 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:1128
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1128 -s 224
    3⤵
    - Program crash
    PID:3044

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/1128-0-0x0000000070C00000-0x0000000070C20000-memory.dmp

Filesize
128KB

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