1da5ef36c4e105ef5374672e54bbf87d77c01b15124c8b2c1f1fd8ea3b23fe1f

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 07:07

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General

Target

1da5ef36c4e105ef5374672e54bbf87d77c01b15124c8b2c1f1fd8ea3b23fe1f.dll
Size

76KB
MD5

6496cff151719fa9599bee1e88a27dda
SHA1

51d8a435d64db7d68f758c323c56a1f4282c80cd
SHA256

1da5ef36c4e105ef5374672e54bbf87d77c01b15124c8b2c1f1fd8ea3b23fe1f
SHA512

21003b2a879799d8b702aa77a18d4ea5957f6ab2cf8a0fa5b706ad212a976d34575544d4d1fd86ca30b5242deef18fd4c8cee30611bfe289dc8d16793c836e61
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zyuko:c8y93KQjy7G55riF1cMo038No

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/1244-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1244-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5076	1244	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	1244	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 1244	1056	rundll32.exe	83
PID 1056 wrote to memory of 1244	1056	rundll32.exe	83
PID 1056 wrote to memory of 1244	1056	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1da5ef36c4e105ef5374672e54bbf87d77c01b15124c8b2c1f1fd8ea3b23fe1f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1da5ef36c4e105ef5374672e54bbf87d77c01b15124c8b2c1f1fd8ea3b23fe1f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1244
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 704
    3⤵
    - Program crash
    PID:5076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1244 -ip 1244
1⤵
PID:4508

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/1244-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1244-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download