64d8fe1dfb454261e90922950d947f46db6fa015e55d32f78b901a547729b821

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 14:06

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General

Target

64d8fe1dfb454261e90922950d947f46db6fa015e55d32f78b901a547729b821N.dll
Size

76KB
MD5

e720cf5d8333b991d1ded4b80f4a4d80
SHA1

855972353846265aaee19bd4c568c1fcdf88a3cd
SHA256

64d8fe1dfb454261e90922950d947f46db6fa015e55d32f78b901a547729b821
SHA512

c8903793716a7c99fc30590e8992dbb39efa9dbddbf23040bcc054bdca86bb60d08abfc974557a5717b0119fe436a1cc4c0bfcb53f0752f1cc304ea9ba08b3e5
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zyp9kJXZ6:c8y93KQjy7G55riF1cMo03NJXZ6

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/1708-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1708-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3440	1708	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	1708	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 1708	1332	rundll32.exe	83
PID 1332 wrote to memory of 1708	1332	rundll32.exe	83
PID 1332 wrote to memory of 1708	1332	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\64d8fe1dfb454261e90922950d947f46db6fa015e55d32f78b901a547729b821N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1332
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\64d8fe1dfb454261e90922950d947f46db6fa015e55d32f78b901a547729b821N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1708
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 700
    3⤵
    - Program crash
    PID:3440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1708 -ip 1708
1⤵
PID:5080

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/1708-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1708-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download