bf066388ba859d290970a6011de59455dcaa6059b0ca120213b0b601ffe59369

Resubmissions

01-12-2024 18:15

241201-wwd19axqbx 10

01-12-2024 18:07

241201-wqgj7axpct 10

Analysis

max time kernel
98s
max time network
139s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
01-12-2024 18:15

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Report Analysis Logs

General

Target

$PLUGINSDIR/nsis7z.dll
Size

96KB
MD5

578471d002ef3fda8651c31e8b0088ca
SHA1

d2ecfe305dc0d5fcd00774c8a3870aa96b52ef95
SHA256

3f0c246bb78029d3d93b3766771b161e9bfcc153f6a59ad5acc48490971f39c9
SHA512

c9f6f60feee9b3d49c18d63a818c43c6c5d10786f01a0307a170452c54743099e6b227c967d28f0d797796512a9b708b47c27f9081b69144209b9b95144fb7ad
SSDEEP

3072:B4W0KMrKri9UX0X8Z365LUqXYwBleqleoutQSyEkr:01ZXqK5L3XsoS+xr

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
behavioral13/memory/4364-0-0x0000000010000000-0x0000000010036000-memory.dmp	upx
behavioral13/memory/4364-1-0x0000000010000000-0x0000000010036000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3188	4364	WerFault.exe	80

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 4808 wrote to memory of 4364	4808	rundll32.exe	80
PID 4808 wrote to memory of 4364	4808	rundll32.exe	80
PID 4808 wrote to memory of 4364	4808	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4364
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 600
    3⤵
    - Program crash
    PID:3188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4364 -ip 4364
1⤵
PID:8

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

Replay Monitor

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Downloads

memory/4364-0-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download
memory/4364-1-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download