b172975eda7dbb5770267a763cec779224828056ccaa9fb4b33b356c5bc78ab4

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2024 02:01

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General

Target

b172975eda7dbb5770267a763cec779224828056ccaa9fb4b33b356c5bc78ab4.dll
Size

76KB
MD5

6373d25ffe9988af8aebe00a0a3260fc
SHA1

774929f61aaac207336c76737418218c6e85e6f4
SHA256

b172975eda7dbb5770267a763cec779224828056ccaa9fb4b33b356c5bc78ab4
SHA512

be42399d2d8842400d29bd8869198c6cbb01516f0538d982a9bb974b7f39ada2fbddce1c1c32abd2b1c406ae2c946f77ee0ee0761477ff5edddb6567b6f72c4e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZeddjNBit7:c8y93KQjy7G55riF1cMo03cddjNBix

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/1764-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1764-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1376	1764	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	1764	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 1764	1600	rundll32.exe	83
PID 1600 wrote to memory of 1764	1600	rundll32.exe	83
PID 1600 wrote to memory of 1764	1600	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b172975eda7dbb5770267a763cec779224828056ccaa9fb4b33b356c5bc78ab4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b172975eda7dbb5770267a763cec779224828056ccaa9fb4b33b356c5bc78ab4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1764
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 704
    3⤵
    - Program crash
    PID:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1764 -ip 1764
1⤵
PID:440

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/1764-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1764-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download