76557b0f1da2b21272c8a141ead19e15851bc8ab104c59f50e6651ebebfcf379

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21/08/2024, 14:17

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General

Target

$PLUGINSDIR/System.dll
Size

10KB
MD5

61151aff8c92ca17b3fab51ce1ca7156
SHA1

68a02015863c2877a20c27da45704028dbaa7eff
SHA256

af15ef6479e5ac5752d139d1c477ec02def9077df897dadc8297005b3fc4999d
SHA512

4f5c943b7058910dc635bdcfadfea1d369c3d645239d1a52b030c21f43aac8e76549e52fd28e38ba5341d32aefe3c090dd8377d9e105ad77f71ab8870d8e326e
SSDEEP

192:2OShJI/rmOAIPkWpUybQ9WhP4t5Rwc89XbubZaX5:n6OAOkWWycGP4XRwc2qFaX5

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1984	1720	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 2088 wrote to memory of 1720	2088	rundll32.exe	30
PID 2088 wrote to memory of 1720	2088	rundll32.exe	30
PID 2088 wrote to memory of 1720	2088	rundll32.exe	30
PID 2088 wrote to memory of 1720	2088	rundll32.exe	30
PID 2088 wrote to memory of 1720	2088	rundll32.exe	30
PID 2088 wrote to memory of 1720	2088	rundll32.exe	30
PID 2088 wrote to memory of 1720	2088	rundll32.exe	30
PID 1720 wrote to memory of 1984	1720	rundll32.exe	31
PID 1720 wrote to memory of 1984	1720	rundll32.exe	31
PID 1720 wrote to memory of 1984	1720	rundll32.exe	31
PID 1720 wrote to memory of 1984	1720	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 224
    3⤵
    - Program crash
    PID:1984

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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