Overview
overview
8Static
static
1base/DAutils.dll
windows7-x64
1base/DAutils.dll
windows10-2004-x64
1base/FCUI.exe
windows7-x64
6base/FCUI.exe
windows10-2004-x64
6base/FCUI.exe.xml
windows7-x64
1base/FCUI.exe.xml
windows10-2004-x64
1base/Insta...ls.bat
windows7-x64
1base/Insta...ls.bat
windows10-2004-x64
1base/Insta...xp.bat
windows7-x64
1base/Insta...xp.bat
windows10-2004-x64
1base/Inter...Vw.dll
windows7-x64
1base/Inter...Vw.dll
windows10-2004-x64
1base/Loader.exe
windows7-x64
1base/Loader.exe
windows10-2004-x64
1base/Newto...on.dll
windows7-x64
1base/Newto...on.dll
windows10-2004-x64
1base/Regis...rt.exe
windows7-x64
3base/Regis...rt.exe
windows10-2004-x64
3base/Regis...ll.exe
windows7-x64
6base/Regis...ll.exe
windows10-2004-x64
6base/Regis...xe.xml
windows7-x64
1base/Regis...xe.xml
windows10-2004-x64
1base/RunAp...or.bat
windows7-x64
6base/RunAp...or.bat
windows10-2004-x64
6base/openThankYou.bat
windows7-x64
1base/openThankYou.bat
windows10-2004-x64
6base/runApp.bat
windows7-x64
6base/runApp.bat
windows10-2004-x64
6base/uninst.exe
windows7-x64
8base/uninst.exe
windows10-2004-x64
8base/verif...ll.bat
windows7-x64
1base/verif...ll.bat
windows10-2004-x64
1Analysis
-
max time kernel
165s -
max time network
183s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 22:04
Static task
static1
Behavioral task
behavioral1
Sample
base/DAutils.dll
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
base/DAutils.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
base/FCUI.exe
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
base/FCUI.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral5
Sample
base/FCUI.exe.xml
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
base/FCUI.exe.xml
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
base/InstallAddiotionals.bat
Resource
win7-20220812-en
Behavioral task
behavioral8
Sample
base/InstallAddiotionals.bat
Resource
win10v2004-20221111-en
Behavioral task
behavioral9
Sample
base/InstallNet35xp.bat
Resource
win7-20221111-en
Behavioral task
behavioral10
Sample
base/InstallNet35xp.bat
Resource
win10v2004-20220901-en
Behavioral task
behavioral11
Sample
base/Interop.SHDocVw.dll
Resource
win7-20220812-en
Behavioral task
behavioral12
Sample
base/Interop.SHDocVw.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral13
Sample
base/Loader.exe
Resource
win7-20220901-en
Behavioral task
behavioral14
Sample
base/Loader.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral15
Sample
base/Newtonsoft.Json.dll
Resource
win7-20220901-en
Behavioral task
behavioral16
Sample
base/Newtonsoft.Json.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral17
Sample
base/RegisterInstallStart.exe
Resource
win7-20220901-en
Behavioral task
behavioral18
Sample
base/RegisterInstallStart.exe
Resource
win10v2004-20220901-en
Behavioral task
behavioral19
Sample
base/RegisterUninstall.exe
Resource
win7-20221111-en
Behavioral task
behavioral20
Sample
base/RegisterUninstall.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral21
Sample
base/RegisterUninstall.exe.xml
Resource
win7-20220901-en
Behavioral task
behavioral22
Sample
base/RegisterUninstall.exe.xml
Resource
win10v2004-20221111-en
Behavioral task
behavioral23
Sample
base/RunAppMonitor.bat
Resource
win7-20220901-en
Behavioral task
behavioral24
Sample
base/RunAppMonitor.bat
Resource
win10v2004-20220812-en
Behavioral task
behavioral25
Sample
base/openThankYou.bat
Resource
win7-20220901-en
Behavioral task
behavioral26
Sample
base/openThankYou.bat
Resource
win10v2004-20220812-en
Behavioral task
behavioral27
Sample
base/runApp.bat
Resource
win7-20220812-en
Behavioral task
behavioral28
Sample
base/runApp.bat
Resource
win10v2004-20220812-en
Behavioral task
behavioral29
Sample
base/uninst.exe
Resource
win7-20220812-en
Behavioral task
behavioral30
Sample
base/uninst.exe
Resource
win10v2004-20220901-en
Behavioral task
behavioral31
Sample
base/verifyUninstall.bat
Resource
win7-20220812-en
Behavioral task
behavioral32
Sample
base/verifyUninstall.bat
Resource
win10v2004-20221111-en
General
-
Target
base/runApp.bat
-
Size
28B
-
MD5
9a0228426a9e0ab3fb08e83a91c1774e
-
SHA1
95520565eb3396781a242c37d2e4afdf1f32b289
-
SHA256
65a7edef981c41abdb03b1f77fe6bee27e60c64c6adfdb402d5494556c3066ba
-
SHA512
39932920b5297dffb671a13ac244df9fb995a1a95d9cb920338c6d5d008da0899c2dcee3ba76450374e9876734b1a386fe62dc454f7cb579a6f4d909ea6a15b0
Malware Config
Signatures
-
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
FCUI.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FreeCoinsStartup = "C:\\Users\\Admin\\AppData\\Local\\FCM\\DBStack.exe" FCUI.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FreeCoinsUpdater = "C:\\Users\\Admin\\AppData\\Local\\FCU\\OSUpdater.exe" FCUI.exe -
Processes:
FCUI.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch FCUI.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" FCUI.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\IESettingSync FCUI.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" FCUI.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
FCUI.exedescription pid process Token: SeDebugPrivilege 3472 FCUI.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
FCUI.exepid process 3472 FCUI.exe -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
FCUI.exepid process 3472 FCUI.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
FCUI.exepid process 3472 FCUI.exe 3472 FCUI.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
cmd.exedescription pid process target process PID 5052 wrote to memory of 3472 5052 cmd.exe FCUI.exe PID 5052 wrote to memory of 3472 5052 cmd.exe FCUI.exe
Processes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\base\runApp.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:5052 -
C:\Users\Admin\AppData\Local\Temp\base\FCUI.exeFCUI.exe2⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:3472
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
memory/3472-132-0x0000000000000000-mapping.dmp
-
memory/3472-133-0x0000000000070000-0x00000000000D0000-memory.dmpFilesize
384KB
-
memory/3472-134-0x00000000008F0000-0x0000000000904000-memory.dmpFilesize
80KB
-
memory/3472-135-0x00007FFDF5150000-0x00007FFDF5C11000-memory.dmpFilesize
10.8MB
-
memory/3472-136-0x000000001C0B0000-0x000000001C118000-memory.dmpFilesize
416KB
-
memory/3472-137-0x000000001FCF0000-0x0000000020496000-memory.dmpFilesize
7.6MB
-
memory/3472-138-0x00007FFDF5150000-0x00007FFDF5C11000-memory.dmpFilesize
10.8MB