f86c4a81d24784168933c35559aca3954ba2b52573b666fdaf1e626b2f343545

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
23-08-2024 10:37

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General

Target

htmlayout.dll
Size

921KB
MD5

41759604a2974702faf51eb045a20f0c
SHA1

b391049bde295b68298e0c9457ace97dcbca5b3c
SHA256

d128b74c6df97c2081fd6144aeb335195f785132bb51f281d66bd0431e6577f3
SHA512

e39fa7cc948a34e1061a6acdf8594500604616eb311daecfc75ae9263da2b904f770d8ebb5dc838724af0104ae562121490a52f1dc15895197a45f4366f4191c
SSDEEP

24576:HGkarx/Npo6VLBJLGMZyUN0N5DcFTfWlAVZj3AzHdE7qF:U2yNJLGwF0bYpWl6tydc

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral19/memory/2176-0-0x0000000010000000-0x000000001025E000-memory.dmp	upx

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 7 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 2176	1904	rundll32.exe	31
PID 1904 wrote to memory of 2176	1904	rundll32.exe	31
PID 1904 wrote to memory of 2176	1904	rundll32.exe	31
PID 1904 wrote to memory of 2176	1904	rundll32.exe	31
PID 1904 wrote to memory of 2176	1904	rundll32.exe	31
PID 1904 wrote to memory of 2176	1904	rundll32.exe	31
PID 1904 wrote to memory of 2176	1904	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\htmlayout.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\htmlayout.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2176

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/2176-0-0x0000000010000000-0x000000001025E000-memory.dmp

Filesize
2.4MB

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