99a47cdd3fddfa1f0b62be9cd3b53f1e0093e6f3b7ba994d3d9f2c502c0f1c07

Analysis

max time kernel
149s
max time network
150s
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 02:21

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General

Target

99a47cdd3fddfa1f0b62be9cd3b53f1e0093e6f3b7ba994d3d9f2c502c0f1c07.dll
Size

203KB
MD5

b8831a7a023b4cbc26c4e3410433206d
SHA1

0e02602c53bdad59af6804b355854fb38c876fc3
SHA256

99a47cdd3fddfa1f0b62be9cd3b53f1e0093e6f3b7ba994d3d9f2c502c0f1c07
SHA512

09f278471e0295f11ff0ffd035b969e3d75f065620da85c703799502ed2483f7c24f16d3f033e13a893d5eaaa5c7524ef8653691ae641514246ac52e48cee5ae
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiMaIdKpB1WovI:5kmCaiEoFEd+F3txm2SpiMw1Wp

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/444-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/444-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2560	444	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	444	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 444	4768	rundll32.exe	83
PID 4768 wrote to memory of 444	4768	rundll32.exe	83
PID 4768 wrote to memory of 444	4768	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\99a47cdd3fddfa1f0b62be9cd3b53f1e0093e6f3b7ba994d3d9f2c502c0f1c07.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\99a47cdd3fddfa1f0b62be9cd3b53f1e0093e6f3b7ba994d3d9f2c502c0f1c07.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 444 -s 712
    3⤵
    - Program crash
    PID:2560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 444 -ip 444
1⤵
PID:960

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/444-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/444-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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