2a317c4fb8de70541b1daa06fa60e10fa8cc9d725497d003c7351c831dfdcb49

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06-09-2024 18:26

240906-w29p4s1fpl 6

16-08-2024 12:29

240816-pn7j9sydlj 6

Analysis

max time kernel
595s
max time network
596s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\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

pid	Process
1172	SFFWallpaperCore.exe

Loads dropped DLL 1 IoCs

pid	Process
1172	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

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

pid	Process
3008	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 2992	1400	Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).exe	31
PID 1400 wrote to memory of 2992	1400	Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).exe	31
PID 1400 wrote to memory of 2992	1400	Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).exe	31
PID 1400 wrote to memory of 2992	1400	Annex 1 - IISS PRAGUE DEFENCE SUMMIT (8 – 10 November 2024).exe	31
PID 2992 wrote to memory of 3008	2992	cmd.exe	33
PID 2992 wrote to memory of 3008	2992	cmd.exe	33
PID 2992 wrote to memory of 3008	2992	cmd.exe	33
PID 2992 wrote to memory of 3008	2992	cmd.exe	33
PID 560 wrote to memory of 1172	560	taskeng.exe	35
PID 560 wrote to memory of 1172	560	taskeng.exe	35
PID 560 wrote to memory of 1172	560	taskeng.exe	35
PID 560 wrote to memory of 1172	560	taskeng.exe	35

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:1400
- \??\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:2992
- - 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:3008

C:\Windows\system32\taskeng.exe
taskeng.exe {9DB6FEDA-4DAE-4A57-9FEC-C50C3FB34E79} S-1-5-21-3294248377-1418901787-4083263181-1000:FMEDFXFE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:560
- C:\ProgramData\FFWallpaperCore\SFFWallpaperCore.exe
  C:\ProgramData\FFWallpaperCore\SFFWallpaperCore.exe FFWallpaper
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1172

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

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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
memory/1172-6-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/1172-7-0x00000000001B0000-0x00000000001C1000-memory.dmp

Filesize
68KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads