7ea53d1705cb202531a2dbb02c1d9f070bf662b4ba028c340fd9cacaf06edf1e

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 12:16

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General

Target

$PLUGINSDIR/nsRichEdit.dll
Size

5KB
MD5

02f1858b3131ffc3fc5e3a5391d3a489
SHA1

454a6d749cf55ff990bd9f57941aca9d1f1674f6
SHA256

f00bd6d3e7c7b8e8ad18b7dc6275fb80cc720fb164200a6506f50f6e66998b12
SHA512

8147fa8014a5065f4fed7de1fbb9c2ee2c1b94d63596f7bbcf6821ecd41a73d25ebdfa1e71ca74d7598cba063042b6dfcaf050a23d0c855a7b6fbc94147ab41b
SSDEEP

96:Z3CA+/dN6g2Aznq+1kaNar7ta6mKAJN0u4KOhB7lkZ3hBjB8wZ:Z3G/D26EaNar7QKzLdZkZX

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral16/memory/2348-0-0x0000000074DB0000-0x0000000074DB9000-memory.dmp	acprotect
behavioral16/memory/2348-2-0x0000000074DB0000-0x0000000074DB9000-memory.dmp	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral16/memory/2348-0-0x0000000074DB0000-0x0000000074DB9000-memory.dmp	upx
behavioral16/memory/2348-2-0x0000000074DB0000-0x0000000074DB9000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4704	2348	WerFault.exe	83

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 4992 wrote to memory of 2348	4992	rundll32.exe	83
PID 4992 wrote to memory of 2348	4992	rundll32.exe	83
PID 4992 wrote to memory of 2348	4992	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRichEdit.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRichEdit.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 624
    3⤵
    - Program crash
    PID:4704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2348 -ip 2348
1⤵
PID:3856

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/2348-0-0x0000000074DB0000-0x0000000074DB9000-memory.dmp

Filesize
36KB

Download
memory/2348-2-0x0000000074DB0000-0x0000000074DB9000-memory.dmp

Filesize
36KB

Download