61e4d701e2e08bff206ec405ac27ea3fce687165b85c5bdac6cdf48d066dbe9c

Analysis

max time kernel
93s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 03:58

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General

Target
$PLUGINSDIR/nsJSON.dll
Size 6KB
Sample241002-ejzczswdmj
SHA256 18f2b2f20c65a022a1c8aaf776b4c9be6c193b73c2079d9d65d56b802fcadfb5
MD5 292aa9f95a7f081625056c497078159a
SHA1 72076f3eb146ab7ea2b3dd0ef6a63c06f86d64f1
SHA512 87f83c3bbcfedd98364b5d0209f912e66c72d43eb887438ad9735c078e6d1f6ea12566a75f0b652602bbd9f0608ce7148dc1703821f2ab6b366f061b8a58d910
SSDEEP 96:u2r8Z0x0OOG+2tOgdC+qzf+Sdv9wMxOHKCt6qZZLAL5EICN9r7HcnrDn:uHI+2e9zf++viMot6qZFYEIC7jcrL
MD5 SHA1 SHA512 SSDEEP

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral12/memory/1732-0-0x0000000075130000-0x000000007513A000-memory.dmp	upx
behavioral12/memory/1732-1-0x0000000075130000-0x000000007513A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1584	1732	WerFault.exe	82

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 3 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 1732	1776	rundll32.exe	82
PID 1776 wrote to memory of 1732	1776	rundll32.exe	82
PID 1776 wrote to memory of 1732	1776	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsJSON.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsJSON.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 600
    3⤵
    - Program crash
    PID:1584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1732 -ip 1732
1⤵
PID:2916

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

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Downloads

memory/1732-0-0x0000000075130000-0x000000007513A000-memory.dmp

Download

memory/1732-1-0x0000000075130000-0x000000007513A000-memory.dmp