8db5b1ff870eff1fc6a7ef500d5498a4eca9e08336ea7aa518d7a77e5a3218c8

Analysis

max time kernel
93s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2024, 00:26

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General

Target

8db5b1ff870eff1fc6a7ef500d5498a4eca9e08336ea7aa518d7a77e5a3218c8.dll
Size

76KB
MD5

e39c3e2b89d7ca642b838a979af22638
SHA1

876a7d7d112f06e658828937468208bf79c6f294
SHA256

8db5b1ff870eff1fc6a7ef500d5498a4eca9e08336ea7aa518d7a77e5a3218c8
SHA512

78aca9446d73866fc3a0cc8c180941e1cd6f09ba4badd80650572897a6e6f5011481c5bc94c28c3786df81e73bc948b4e58d7d8d54c1ba73ee9bda7ff74078f3
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZtBhAsOHj:c8y93KQjy7G55riF1cMo03zBhAxj

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/1220-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1220-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1316	1220	WerFault.exe	82

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	1220	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 1220	3940	rundll32.exe	82
PID 3940 wrote to memory of 1220	3940	rundll32.exe	82
PID 3940 wrote to memory of 1220	3940	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8db5b1ff870eff1fc6a7ef500d5498a4eca9e08336ea7aa518d7a77e5a3218c8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8db5b1ff870eff1fc6a7ef500d5498a4eca9e08336ea7aa518d7a77e5a3218c8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1220
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1220 -s 700
    3⤵
    - Program crash
    PID:1316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1220 -ip 1220
1⤵
PID:1348

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/1220-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1220-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download