fc249baddd791772998825753f2ed6afb5cebab717f2017c5f8c78267173459e

Analysis

max time kernel
719s
max time network
725s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 14:34

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General

Target

samples/Everything.ini.fileslack
Size

3KB
MD5

fd4589304a588a420da7dd0b56784130
SHA1

3a8267d2459cef2d9ea4d782eef8ec2876fbecaa
SHA256

a3041b2a3f207ad2e467085b36ca51eae3a5d60f899251c9d5c4c9b248c60482
SHA512

28aa740ab94e8643af5339e6cbc4af38cf68c58f76b163e4b2fc0875802889abb2689507e4bd15eab62c095c5d852ab54c200324179c0f804e8158c8c71c1a67

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\fileslack_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\fileslack_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\fileslack_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.fileslack	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.fileslack\ = "fileslack_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\fileslack_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\fileslack_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\fileslack_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2980	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2980	AcroRd32.exe
2980	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 2756	1120	cmd.exe	30
PID 1120 wrote to memory of 2756	1120	cmd.exe	30
PID 1120 wrote to memory of 2756	1120	cmd.exe	30
PID 2756 wrote to memory of 2980	2756	rundll32.exe	31
PID 2756 wrote to memory of 2980	2756	rundll32.exe	31
PID 2756 wrote to memory of 2980	2756	rundll32.exe	31
PID 2756 wrote to memory of 2980	2756	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\samples\Everything.ini.fileslack
1⤵
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\samples\Everything.ini.fileslack
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\samples\Everything.ini.fileslack"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
06b6310938f0fb0dc9d48d09302bcb7c

SHA1
60134a171859906f55f5c5c32bf25da059293eba

SHA256
d50d71a12100d98d43c6e23ad85b859b5f875fadf6c9e57de01d4a9b3eb147a5

SHA512
c410e0a11a1abd51c2ab5291239c3fd117bba1fe4bea24b5a4a8ef3e5c2007702ef26094b9b0a5ed11c2cad072ad85204684fb506ca7a6a8876f17bc88092fb5

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