48fb5c4c2a2e6ab49bb10c599d69ab614d2c69f91854e00adaf5508d9ee14f7a

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 18:50

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General

Target

$PLUGINSDIR/nsisFile.dll
Size

5KB
MD5

b7d0d765c151d235165823b48554e442
SHA1

fe530e6c6fd60392d4ce611b21ec9daad3f1bc84
SHA256

a820a32e5ce89e3e336afc71aa1bf42a357ec542c2bc6e50c6255c1333812587
SHA512

5d801c24dfa1b7326f72f9c0acf3a330ef0cc3fce25ceee200bb12eab8c2b653025602e610e0cecda1e7cbd851ce1b66252531220b557a378ddb0b4a1741fa66
SSDEEP

48:a+guelvxkcuEkVy5wM4zL5stbmaN0QpUFdAwsj1gAtl/lSFc/H9UhV0n:3CBxIEkVQwzR2300URs5ldSFcv9c

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2216	2192	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 2432 wrote to memory of 2192	2432	rundll32.exe	30
PID 2432 wrote to memory of 2192	2432	rundll32.exe	30
PID 2432 wrote to memory of 2192	2432	rundll32.exe	30
PID 2432 wrote to memory of 2192	2432	rundll32.exe	30
PID 2432 wrote to memory of 2192	2432	rundll32.exe	30
PID 2432 wrote to memory of 2192	2432	rundll32.exe	30
PID 2432 wrote to memory of 2192	2432	rundll32.exe	30
PID 2192 wrote to memory of 2216	2192	rundll32.exe	31
PID 2192 wrote to memory of 2216	2192	rundll32.exe	31
PID 2192 wrote to memory of 2216	2192	rundll32.exe	31
PID 2192 wrote to memory of 2216	2192	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisFile.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisFile.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2192
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 224
    3⤵
    - Program crash
    PID:2216

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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