Overview
overview
10Static
static
3JaffaCakes...5f.exe
windows7-x64
10JaffaCakes...5f.exe
windows10-2004-x64
10$APPDATA/c...60.dll
windows7-x64
1$APPDATA/c...60.dll
windows10-2004-x64
1$APPDATA/c...at.dll
windows7-x64
3$APPDATA/c...at.dll
windows10-2004-x64
3$APPDATA/t...60.dll
windows7-x64
1$APPDATA/t...60.dll
windows10-2004-x64
1$APPDATA/t...lc.exe
windows7-x64
3$APPDATA/t...lc.exe
windows10-2004-x64
3$TEMP/GuestRummy.dll
windows7-x64
3$TEMP/GuestRummy.dll
windows10-2004-x64
3$TEMP/_net...mp.dll
windows7-x64
1$TEMP/_net...mp.dll
windows10-2004-x64
1$TEMP/logo...60.dll
windows7-x64
1$TEMP/logo...60.dll
windows10-2004-x64
1$TEMP/logo...ui.dll
windows7-x64
1$TEMP/logo...ui.dll
windows10-2004-x64
1Analysis
-
max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30-12-2024 18:44
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_38dda5e4059a39cb4d766f65d84e8e02a7189bf50803c719af45403a1ee3c35f.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
JaffaCakes118_38dda5e4059a39cb4d766f65d84e8e02a7189bf50803c719af45403a1ee3c35f.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$APPDATA/closed/state/msie/76.opends60.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$APPDATA/closed/state/msie/76.opends60.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$APPDATA/closed/state/msie/custsat.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$APPDATA/closed/state/msie/custsat.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
$APPDATA/typo3_src/poc/media_center/63.opends60.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
$APPDATA/typo3_src/poc/media_center/63.opends60.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
$APPDATA/typo3_src/poc/media_center/PermCalc.exe
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
$APPDATA/typo3_src/poc/media_center/PermCalc.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
$TEMP/GuestRummy.dll
Resource
win7-20241010-en
Behavioral task
behavioral12
Sample
$TEMP/GuestRummy.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
$TEMP/_net/admin.cgi/msddslmp.dll
Resource
win7-20240708-en
Behavioral task
behavioral14
Sample
$TEMP/_net/admin.cgi/msddslmp.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
$TEMP/logout/studio/59.opends60.dll
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
$TEMP/logout/studio/59.opends60.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
$TEMP/logout/studio/rcxditui.dll
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
$TEMP/logout/studio/rcxditui.dll
Resource
win10v2004-20241007-en
General
-
Target
$APPDATA/typo3_src/poc/media_center/PermCalc.exe
-
Size
28KB
-
MD5
c2efc9fcbbf2d6952110fea17841b71e
-
SHA1
4860494e79e88beacb0155584056699adb073f44
-
SHA256
57f248daa64d83c215189a3d38b9692f93125273ee046328febe33e69df01ded
-
SHA512
5aa7033b6b9de91c309554b354d47d63c08d15d4d5ebe4ac6e98e059873c74149c869dea731a2754ca31dee526f27221cd210555693e5f6886cc26d271f39ae0
-
SSDEEP
384:xL8f6BoGrFTth3SAUnZV7OKAyXSKglWYbW:98iBoGxtSHqKgB
Malware Config
Signatures
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PermCalc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dw20.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeRestorePrivilege 2196 dw20.exe Token: SeBackupPrivilege 2196 dw20.exe Token: SeBackupPrivilege 2196 dw20.exe Token: SeBackupPrivilege 2196 dw20.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1512 wrote to memory of 2196 1512 PermCalc.exe 84 PID 1512 wrote to memory of 2196 1512 PermCalc.exe 84 PID 1512 wrote to memory of 2196 1512 PermCalc.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\$APPDATA\typo3_src\poc\media_center\PermCalc.exe"C:\Users\Admin\AppData\Local\Temp\$APPDATA\typo3_src\poc\media_center\PermCalc.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1512 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 8562⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2196
-