18b0b809bcc0a0801aabcd9e01ffd1690806b48d95e88a586a8b046136d67d3a

Analysis

max time kernel
94s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 20:06

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General

Target

18b0b809bcc0a0801aabcd9e01ffd1690806b48d95e88a586a8b046136d67d3a.dll
Size

203KB
MD5

b2805048fc971e5d607ca5a28231dbf2
SHA1

543b42fdcb90f2883ef30b47c28ddce9e0672126
SHA256

18b0b809bcc0a0801aabcd9e01ffd1690806b48d95e88a586a8b046136d67d3a
SHA512

30bb7556dbfc7322c7d06a048e750b76637208e017c0f054b112d9a7ff8cfaba4c15448a39a255bb85920a603cadfb83b459700bff85d304f76f9c67bd151990
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viMEcunZK:0kmCaiEoFEd+FYOtxmdeviMuQ

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
behavioral2/memory/548-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/548-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3464	548	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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	548	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 548	1948	rundll32.exe	82
PID 1948 wrote to memory of 548	1948	rundll32.exe	82
PID 1948 wrote to memory of 548	1948	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\18b0b809bcc0a0801aabcd9e01ffd1690806b48d95e88a586a8b046136d67d3a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\18b0b809bcc0a0801aabcd9e01ffd1690806b48d95e88a586a8b046136d67d3a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 548 -s 712
    3⤵
    - Program crash
    PID:3464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 548 -ip 548
1⤵
PID:4748

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/548-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/548-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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