a325e7d410cc7437061ff3111d4dfaa957577186f619f539da6dc5614b7c1070

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 05:55

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General

Target

$PLUGINSDIR/installhelper.dll
Size

111KB
MD5

1df163b0dafd16b31beeaf94bf859339
SHA1

6d2e77cd8417aaf95452487aa099734e680fdbe1
SHA256

055d1656539df30a57cb6a0de70e481fb709e41b9330b4bbaa61f375840192e3
SHA512

9c9e4c3c3c58a5e31647c0171c24cd98b023b407615e4a7a8ff67eee017e55c2b2e1ee488191764f96cc4ec9025162005c8247f3ece9faae0ebaf8a1a762a146
SSDEEP

3072:mUtMXRt2of1YH+YYSYxgH4KqlUxwdV75rz:Hyt10+YqgH4KXuVpz

Score

3^/10

discovery

Malware Config

Signatures

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 7 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 1632	2056	rundll32.exe	30
PID 2056 wrote to memory of 1632	2056	rundll32.exe	30
PID 2056 wrote to memory of 1632	2056	rundll32.exe	30
PID 2056 wrote to memory of 1632	2056	rundll32.exe	30
PID 2056 wrote to memory of 1632	2056	rundll32.exe	30
PID 2056 wrote to memory of 1632	2056	rundll32.exe	30
PID 2056 wrote to memory of 1632	2056	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\installhelper.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\installhelper.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1632

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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