728a429da4a626d7c1f5177d74d12507114e7b3ecb57e6f2fa0f9f4f79354e49

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
22-11-2024 00:52

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General

Target

728a429da4a626d7c1f5177d74d12507114e7b3ecb57e6f2fa0f9f4f79354e49.dll
Size

76KB
MD5

21db4c9dcd181ec605fab1cac4b2ac01
SHA1

46bee64d06d1d62787be2b27af25237563f4b63b
SHA256

728a429da4a626d7c1f5177d74d12507114e7b3ecb57e6f2fa0f9f4f79354e49
SHA512

ea8fd2a80147a227ee7bebb685706b0a62246f098f9cb64a2f709a698f33b5594e09bb69ee4cce2ffb8af6c139615380e6a080c14be0cbaa6c11eadcdf58230b
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZkucTCt:c8y93KQjy7G55riF1cMo03eucTS

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/4572-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4572-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2688	4572	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	4572	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 4572	3728	rundll32.exe	83
PID 3728 wrote to memory of 4572	3728	rundll32.exe	83
PID 3728 wrote to memory of 4572	3728	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\728a429da4a626d7c1f5177d74d12507114e7b3ecb57e6f2fa0f9f4f79354e49.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\728a429da4a626d7c1f5177d74d12507114e7b3ecb57e6f2fa0f9f4f79354e49.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4572
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 700
    3⤵
    - Program crash
    PID:2688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4572 -ip 4572
1⤵
PID:444

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/4572-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4572-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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