3e5f92690febb0130750470ee30a7dbd43bae9c3fd044a57ab201746b8a35f20

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/01/2025, 17:44

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General

Target

3e5f92690febb0130750470ee30a7dbd43bae9c3fd044a57ab201746b8a35f20N.dll
Size

76KB
MD5

1a3186890b5071db784d0c9ea5148620
SHA1

11a4c53e6f00205477a3e5b6163af81f4eeb8955
SHA256

3e5f92690febb0130750470ee30a7dbd43bae9c3fd044a57ab201746b8a35f20
SHA512

76ccd5729eb908a96f124f835379dcf1acf0de286142a31a367e6737dc64b6f9a524ab1036a1d7b5a32bdf860c89b7c5e10f468d74ea3da96849fcc74f5ca95b
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZdaSvrn8:c8y93KQjy7G55riF1cMo03dr8

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 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1656-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1656-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1656-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1656-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1992	1656	WerFault.exe	30

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	1656	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 1656	2572	rundll32.exe	30
PID 2572 wrote to memory of 1656	2572	rundll32.exe	30
PID 2572 wrote to memory of 1656	2572	rundll32.exe	30
PID 2572 wrote to memory of 1656	2572	rundll32.exe	30
PID 2572 wrote to memory of 1656	2572	rundll32.exe	30
PID 2572 wrote to memory of 1656	2572	rundll32.exe	30
PID 2572 wrote to memory of 1656	2572	rundll32.exe	30
PID 1656 wrote to memory of 1992	1656	rundll32.exe	31
PID 1656 wrote to memory of 1992	1656	rundll32.exe	31
PID 1656 wrote to memory of 1992	1656	rundll32.exe	31
PID 1656 wrote to memory of 1992	1656	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e5f92690febb0130750470ee30a7dbd43bae9c3fd044a57ab201746b8a35f20N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e5f92690febb0130750470ee30a7dbd43bae9c3fd044a57ab201746b8a35f20N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1656 -s 336
    3⤵
    - Program crash
    PID:1992

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/1656-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1656-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1656-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1656-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download