35da7547334065664e3a8233c1215a9b81aadb0e330ff9a9744870db69caaf69

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 14:28

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General

Target

35da7547334065664e3a8233c1215a9b81aadb0e330ff9a9744870db69caaf69.dll
Size

76KB
MD5

c4a3e85a8a64fcf3c4e5b6b23549f224
SHA1

44a2052459a62c18a10fe6c4cdadbb628ce23865
SHA256

35da7547334065664e3a8233c1215a9b81aadb0e330ff9a9744870db69caaf69
SHA512

8446388b761f6198da8005e2cb0214cc98a81eba0b5a49a78ac0f9f73aaebf54deb795ef6d07f030947764509e689d598cdcaf7530a2950c63dd1c86f14664a2
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z2uVd:c8y93KQjy7G55riF1cMo03z

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/4100-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4100-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
328	4100	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	4100	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 4100	1060	rundll32.exe	83
PID 1060 wrote to memory of 4100	1060	rundll32.exe	83
PID 1060 wrote to memory of 4100	1060	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\35da7547334065664e3a8233c1215a9b81aadb0e330ff9a9744870db69caaf69.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1060
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\35da7547334065664e3a8233c1215a9b81aadb0e330ff9a9744870db69caaf69.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4100 -s 712
    3⤵
    - Program crash
    PID:328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4100 -ip 4100
1⤵
PID:736

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/4100-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4100-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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