fa40af857bbf416fb4ace46fd4a082c9021ff1ac7ecbb9c2d13ae4e99191e461

Analysis

max time kernel
95s
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
25/12/2024, 18:08

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General

Target

fa40af857bbf416fb4ace46fd4a082c9021ff1ac7ecbb9c2d13ae4e99191e461N.dll
Size

203KB
MD5

8654ff22517faf482bd9a7e3b5610380
SHA1

d360a822e9d00e1987e81cde987e34855080bd79
SHA256

fa40af857bbf416fb4ace46fd4a082c9021ff1ac7ecbb9c2d13ae4e99191e461
SHA512

fbd1a36430530ad553f7a62b9efc7d10140e91e1479685dafde150f25a0164687be095b5d12585c6e485a992f3c25d9b79a56863b21d79436829ebf13dfd28f0
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viMLgPI:0kmCaiEoFEd+FYOtxmdeviMLgPI

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/3728-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/3728-1-0x0000000010000000-0x0000000010033000-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 2 IoCs

pid	Process
3728	rundll32.exe
3728	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3728	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 3728	4708	rundll32.exe	83
PID 4708 wrote to memory of 3728	4708	rundll32.exe	83
PID 4708 wrote to memory of 3728	4708	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa40af857bbf416fb4ace46fd4a082c9021ff1ac7ecbb9c2d13ae4e99191e461N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa40af857bbf416fb4ace46fd4a082c9021ff1ac7ecbb9c2d13ae4e99191e461N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3728

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/3728-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/3728-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download