be4d6218154966b53afffccc92542cb19a12cdbba991366e9a6da46230176cda

Analysis

max time kernel
27s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 07:32

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General

Target

be4d6218154966b53afffccc92542cb19a12cdbba991366e9a6da46230176cdaN.dll
Size

76KB
MD5

17f086e68c870443476c1ae6ded30120
SHA1

93fd92583bc12060cd06ffd51959c3862e61dbb7
SHA256

be4d6218154966b53afffccc92542cb19a12cdbba991366e9a6da46230176cda
SHA512

a368485809aaa98e18a5869c90b470cb1faabc39bb30aaa2be02c78ab635a2db6571fc76fbf67f03910f0f4b80c67391f40be3f1358a27a5f7625fb6e30df227
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zgu11h:c8y93KQjy7G55riF1cMo033

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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2840-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2840-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2840-9-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2604	2840	WerFault.exe	28

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	2840	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2840	1716	rundll32.exe	28
PID 1716 wrote to memory of 2840	1716	rundll32.exe	28
PID 1716 wrote to memory of 2840	1716	rundll32.exe	28
PID 1716 wrote to memory of 2840	1716	rundll32.exe	28
PID 1716 wrote to memory of 2840	1716	rundll32.exe	28
PID 1716 wrote to memory of 2840	1716	rundll32.exe	28
PID 1716 wrote to memory of 2840	1716	rundll32.exe	28
PID 2840 wrote to memory of 2604	2840	rundll32.exe	29
PID 2840 wrote to memory of 2604	2840	rundll32.exe	29
PID 2840 wrote to memory of 2604	2840	rundll32.exe	29
PID 2840 wrote to memory of 2604	2840	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\be4d6218154966b53afffccc92542cb19a12cdbba991366e9a6da46230176cdaN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\be4d6218154966b53afffccc92542cb19a12cdbba991366e9a6da46230176cdaN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 308
    3⤵
    - Program crash
    PID:2604

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

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Downloads

memory/2840-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2840-1-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2840-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2840-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download