fa490b7cd87f24689ed1e21c1f866935274f923e6c7161bb7d2a70b67007582f

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/01/2025, 15:32

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General

Target

fa490b7cd87f24689ed1e21c1f866935274f923e6c7161bb7d2a70b67007582fN.dll
Size

203KB
MD5

8ff78a48cca2f69a88534fc5faa6c5f0
SHA1

e99f439ce3f45a39fd431e3feb594d336b74759f
SHA256

fa490b7cd87f24689ed1e21c1f866935274f923e6c7161bb7d2a70b67007582f
SHA512

5b220b300b5c0e210b30f0609a0aee7de556fe0ab434150d5d253563344ff95bf0bd829e6281ae2bb469d71d6adff13a5e1fd24cde5f6f662730f7f9c14051cb
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiMBxRUdn:5kmCaiEoFEd+F3txm2SpiMBxRUB

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/2972-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2972-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2972-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx

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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
2972	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2972	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2972	2172	rundll32.exe	30
PID 2172 wrote to memory of 2972	2172	rundll32.exe	30
PID 2172 wrote to memory of 2972	2172	rundll32.exe	30
PID 2172 wrote to memory of 2972	2172	rundll32.exe	30
PID 2172 wrote to memory of 2972	2172	rundll32.exe	30
PID 2172 wrote to memory of 2972	2172	rundll32.exe	30
PID 2172 wrote to memory of 2972	2172	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa490b7cd87f24689ed1e21c1f866935274f923e6c7161bb7d2a70b67007582fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa490b7cd87f24689ed1e21c1f866935274f923e6c7161bb7d2a70b67007582fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2972

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/2972-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2972-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2972-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2972-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download