b7a72c3f23c3e265caa74c60acbef350b268745c1e451a27e915011c720155f8

Resubmissions

13/10/2024, 11:52

241013-n15qrsvdrc 5

13/10/2024, 11:50

241013-nzlaqszcqk 5

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 11:50

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

15KB
MD5

67d8f4d5acdb722e9cb7a99570b3ded1
SHA1

f4a729ba77332325ea4dbdeea98b579f501fd26f
SHA256

fa8de036b1d9bb06be383a82041966c73473fc8382d041fb5c1758f991afeae7
SHA512

03999cc26a76b0de6f7e4e8a45137ee4d9c250366ac5a458110f00f7962158311eea5f22d3ee4f32f85aa6969eb143bdb8f03ca989568764ed2bc488c89b4b7f
SSDEEP

192:CsIZHdT9uwYX94kYd2iCzHR+yK7imphLAykycpKPd5m78ozxGUWumle:CsUHd9GN2d2iwl0impATIPdA78Ov6

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1832	324	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 2540 wrote to memory of 324	2540	rundll32.exe	31
PID 2540 wrote to memory of 324	2540	rundll32.exe	31
PID 2540 wrote to memory of 324	2540	rundll32.exe	31
PID 2540 wrote to memory of 324	2540	rundll32.exe	31
PID 2540 wrote to memory of 324	2540	rundll32.exe	31
PID 2540 wrote to memory of 324	2540	rundll32.exe	31
PID 2540 wrote to memory of 324	2540	rundll32.exe	31
PID 324 wrote to memory of 1832	324	rundll32.exe	32
PID 324 wrote to memory of 1832	324	rundll32.exe	32
PID 324 wrote to memory of 1832	324	rundll32.exe	32
PID 324 wrote to memory of 1832	324	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 324 -s 248
    3⤵
    - Program crash
    PID:1832

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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