c1741704f6a075e5b7426955c89494f5ada245b259464bc42c16dff3bfcf7585

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2024 02:29

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General

Target

c1741704f6a075e5b7426955c89494f5ada245b259464bc42c16dff3bfcf7585.dll
Size

76KB
MD5

ec6d4d1157aaa3cad25f28415b3b11a4
SHA1

7c27366f719946a026ac26f1ef46a58f8f2954ad
SHA256

c1741704f6a075e5b7426955c89494f5ada245b259464bc42c16dff3bfcf7585
SHA512

76aea51a310dee55edf44c9b492fc2161749bb6bea7f11fa39853110c8b184700c2371119e215c7464c0850ed5181f02053da9669b756b5d2463c2371161c451
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZjTeZo1BP:c8y93KQjy7G55riF1cMo03EZwN

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/1516-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1516-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2444	1516	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	1516	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3624 wrote to memory of 1516	3624	rundll32.exe	83
PID 3624 wrote to memory of 1516	3624	rundll32.exe	83
PID 3624 wrote to memory of 1516	3624	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1741704f6a075e5b7426955c89494f5ada245b259464bc42c16dff3bfcf7585.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1741704f6a075e5b7426955c89494f5ada245b259464bc42c16dff3bfcf7585.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1516
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 712
    3⤵
    - Program crash
    PID:2444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1516 -ip 1516
1⤵
PID:3448

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/1516-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1516-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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