d919177d159976b494572bc195670eb08e7d068a77c5a0700100465076efcac8

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 14:52

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General

Target

$PLUGINSDIR/sign.dll
Size

22KB
MD5

57f3c4d6ca2b4f053ca12a9c6a3d742e
SHA1

8cab22cd69d4d5d37be62ada57f28d1df7a778f0
SHA256

d56fab0890d11a26fea9890ff6a4c534c0d79431d91ff494bc120767775296e9
SHA512

ed2969f87bf6fd893f528ff8e047b3e99afb331c2c449ca32233baa353c8c3e5c2f68f12e091a85500198be77610de498b9eb196711a67353172f75621fe20d0
SSDEEP

384:Ngo6C276kORyEehyMs4SVs/uGuq6MhAm5ADO59XJTwJGiMoIb7ZbUuzmKKMkmRGz:LD276kO8EnMHuGR5dXZwrMR7BUwmKKMc

Score

7^/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
behavioral10/memory/3952-0-0x0000000075300000-0x0000000075312000-memory.dmp	upx
behavioral10/memory/3952-1-0x0000000075300000-0x0000000075312000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3604	3952	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 552 wrote to memory of 3952	552	rundll32.exe	83
PID 552 wrote to memory of 3952	552	rundll32.exe	83
PID 552 wrote to memory of 3952	552	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sign.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sign.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3952
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 600
    3⤵
    - Program crash
    PID:3604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3952 -ip 3952
1⤵
PID:644

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/3952-0-0x0000000075300000-0x0000000075312000-memory.dmp

Filesize
72KB

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memory/3952-1-0x0000000075300000-0x0000000075312000-memory.dmp

Filesize
72KB

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