bf594122e2f57bf96e58684fcb9f873e6c25b472bc050c53650e01a9d78881f5

Analysis

max time kernel
93s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 04:07

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General

Target

bf594122e2f57bf96e58684fcb9f873e6c25b472bc050c53650e01a9d78881f5.dll
Size

76KB
MD5

8e856b9f14dbf4bd5b02829693d208be
SHA1

b676e91954dc61526a898786c320669cb317b071
SHA256

bf594122e2f57bf96e58684fcb9f873e6c25b472bc050c53650e01a9d78881f5
SHA512

f66e5aa3b30b16c077ffb62728ae588018d1a08cbc1e5f3173253240bbfbc72da474308f7f3a0aec7ae36ad8d917696412e29464e38fb6ae94720cb5f404f07e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZshheT/:c8y93KQjy7G55riF1cMo038heT

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3992-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3992-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4564	3992	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	3992	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 3992	1820	rundll32.exe	83
PID 1820 wrote to memory of 3992	1820	rundll32.exe	83
PID 1820 wrote to memory of 3992	1820	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf594122e2f57bf96e58684fcb9f873e6c25b472bc050c53650e01a9d78881f5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf594122e2f57bf96e58684fcb9f873e6c25b472bc050c53650e01a9d78881f5.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 692
    3⤵
    - Program crash
    PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3992 -ip 3992
1⤵
PID:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/3992-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3992-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download