2a317c4fb8de70541b1daa06fa60e10fa8cc9d725497d003c7351c831dfdcb49

Resubmissions

06-09-2024 18:26

240906-w29p4s1fpl 6

16-08-2024 12:29

240816-pn7j9sydlj 6

Analysis

max time kernel
437s
max time network
441s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-08-2024 12:29

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General

Target

IISS Prague Defence Summit 2024/Annex 1/Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).exe
Size

158KB
MD5

4444dafccc0f58cd782dc125bca2c966
SHA1

2a2c0c5d30b01398902732dba24693d33eecbdf2
SHA256

057fd248e0219dd31e1044afb7bc77c5f30a7315e136adfcca55ce1593d6cf5d
SHA512

9ec481119ab05104a3057bd2816faa7afff59a89e839b177fda6fb59b42c2872c1a438dca3f2a89753da880857c7c555f72718bbea6bb57e04a6c1d945d9c1c2
SSDEEP

3072:1YjZ0t6NQ3VZS1zY4raQQUgKigu/fgl1glfdjgBftJeCE2K2u3A7AgXG:+jitqczLKVuE1gQJeCEL2+QG

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AFFWallpaper = "C:\\ProgramData\\FFWallpaperCore\\SFFWallpaperCore.exe FFWallpaper"	Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).exe

Executes dropped EXE 1 IoCs

Processes:

SFFWallpaperCore.exe

pid process

2732 SFFWallpaperCore.exe
Loads dropped DLL 1 IoCs

Processes:

SFFWallpaperCore.exe

pid process

2732 SFFWallpaperCore.exe

pid	process
2732	SFFWallpaperCore.exe

pid	process
2732	SFFWallpaperCore.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).execmd.exeschtasks.exeSFFWallpaperCore.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SFFWallpaperCore.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

3108 schtasks.exe

pid	process
3108	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).execmd.exe

description	pid	process	target process
PID 1268 wrote to memory of 4116	1268	Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).exe	cmd.exe
PID 1268 wrote to memory of 4116	1268	Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).exe	cmd.exe
PID 1268 wrote to memory of 4116	1268	Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).exe	cmd.exe
PID 4116 wrote to memory of 3108	4116	cmd.exe	schtasks.exe
PID 4116 wrote to memory of 3108	4116	cmd.exe	schtasks.exe
PID 4116 wrote to memory of 3108	4116	cmd.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\IISS Prague Defence Summit 2024\Annex 1\Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).exe
"C:\Users\Admin\AppData\Local\Temp\IISS Prague Defence Summit 2024\Annex 1\Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1268

\??\c:\windows\SysWOW64\cmd.exe
/C schtasks /F /Create /TN FFWallpaperEmbCore /SC minute /MO 6 /TR "C:\ProgramData\FFWallpaperCore\SFFWallpaperCore.exe FFWallpaper"
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4116

C:\Windows\SysWOW64\schtasks.exe
schtasks /F /Create /TN FFWallpaperEmbCore /SC minute /MO 6 /TR "C:\ProgramData\FFWallpaperCore\SFFWallpaperCore.exe FFWallpaper"
3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3108

C:\ProgramData\FFWallpaperCore\SFFWallpaperCore.exe
C:\ProgramData\FFWallpaperCore\SFFWallpaperCore.exe FFWallpaper
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

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

C:\ProgramData\FFWallpaperCore\SFFWallpaperCore.exe

Filesize
158KB

MD5
4444dafccc0f58cd782dc125bca2c966

SHA1
2a2c0c5d30b01398902732dba24693d33eecbdf2

SHA256
057fd248e0219dd31e1044afb7bc77c5f30a7315e136adfcca55ce1593d6cf5d

SHA512
9ec481119ab05104a3057bd2816faa7afff59a89e839b177fda6fb59b42c2872c1a438dca3f2a89753da880857c7c555f72718bbea6bb57e04a6c1d945d9c1c2

Download Submit
C:\ProgramData\FFWallpaperCore\libemb.dll

Filesize
196KB

MD5
907c3c366f2b05c881bc67ea017f7e0c

SHA1
5acc447eb36f0c339c066964ddf0460240256aaa

SHA256
f8e130e5cbbc4fb85d1b41e1c5bb2d7a6d0511ff3b224eb3076a175e69909b0d

SHA512
1678461329d740aba919917315683ebaeec251d584112876ecfbc7b5cc4e43d08aa91fbef832aa1d8a1c824002603d92285dcd231940fbe9c19f3ec886c6c8e4

Download Submit