b67dd32484f22491f1568aca873de58a5c0d3b0d3f0bbe046c9fb02798681e42

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 10:09

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General

Target

b67dd32484f22491f1568aca873de58a5c0d3b0d3f0bbe046c9fb02798681e42.dll
Size

203KB
MD5

9d4700a38799ea836351f244750bc91c
SHA1

24dbab09aebc1c17d870987918509ddb2e17a31e
SHA256

b67dd32484f22491f1568aca873de58a5c0d3b0d3f0bbe046c9fb02798681e42
SHA512

f0cefadabab57006f33a7ba7faeef6482f2bfe90e2fd6c45ff8ceeeba7349c914155d84f4d60630bdf7cea1e38fcbaec193cc894714d58f10f24a7604b05c4ba
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viM2MKC:0kmCaiEoFEd+FYOtxmdeviM9

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/920-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/920-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1692	920	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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	920	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 920	4364	rundll32.exe	83
PID 4364 wrote to memory of 920	4364	rundll32.exe	83
PID 4364 wrote to memory of 920	4364	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b67dd32484f22491f1568aca873de58a5c0d3b0d3f0bbe046c9fb02798681e42.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b67dd32484f22491f1568aca873de58a5c0d3b0d3f0bbe046c9fb02798681e42.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 920 -s 712
    3⤵
    - Program crash
    PID:1692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 920 -ip 920
1⤵
PID:3260

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/920-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/920-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download