Overview
overview
3Static
static
1ccb/admin/...del.pl
windows7-x64
3ccb/admin/...del.pl
windows10-2004-x64
3ccb/admin/...set.pl
windows7-x64
3ccb/admin/...set.pl
windows10-2004-x64
3ccb/admin/..._ok.pl
windows7-x64
3ccb/admin/..._ok.pl
windows10-2004-x64
3ccb/admin/c_admin.pl
windows7-x64
3ccb/admin/c_admin.pl
windows10-2004-x64
3ccb/admin/...ent.pl
windows7-x64
3ccb/admin/...ent.pl
windows10-2004-x64
3ccb/admin/...iew.pl
windows7-x64
3ccb/admin/...iew.pl
windows10-2004-x64
3ccb/admin/...del.pl
windows7-x64
3ccb/admin/...del.pl
windows10-2004-x64
3ccb/admin/..._ok.pl
windows7-x64
3ccb/admin/..._ok.pl
windows10-2004-x64
3ccb/admin/...set.pl
windows7-x64
3ccb/admin/...set.pl
windows10-2004-x64
3ccb/admin/..._ok.pl
windows7-x64
3ccb/admin/..._ok.pl
windows10-2004-x64
3ccb/admin/...set.pl
windows7-x64
3ccb/admin/...set.pl
windows10-2004-x64
3ccb/admin/..._ok.pl
windows7-x64
3ccb/admin/..._ok.pl
windows10-2004-x64
3ccb/admin/...ion.pl
windows7-x64
3ccb/admin/...ion.pl
windows10-2004-x64
3ccb/admin/..._ok.pl
windows7-x64
3ccb/admin/..._ok.pl
windows10-2004-x64
3ccb/admin/c_d_set.pl
windows7-x64
3ccb/admin/c_d_set.pl
windows10-2004-x64
3ccb/admin/..._ok.pl
windows7-x64
3ccb/admin/..._ok.pl
windows10-2004-x64
3Analysis
-
max time kernel
120s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
15/03/2024, 18:31
Static task
static1
Behavioral task
behavioral1
Sample
ccb/admin/article_date_del.pl
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ccb/admin/article_date_del.pl
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
ccb/admin/basically_set.pl
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
ccb/admin/basically_set.pl
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
ccb/admin/basically_set_ok.pl
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
ccb/admin/basically_set_ok.pl
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
ccb/admin/c_admin.pl
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
ccb/admin/c_admin.pl
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
ccb/admin/c_announcement.pl
Resource
win7-20240220-en
Behavioral task
behavioral10
Sample
ccb/admin/c_announcement.pl
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
ccb/admin/c_announcement_view.pl
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
ccb/admin/c_announcement_view.pl
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
ccb/admin/c_article_date_del.pl
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
ccb/admin/c_article_date_del.pl
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
ccb/admin/c_bad_word_ok.pl
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
ccb/admin/c_bad_word_ok.pl
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
ccb/admin/c_class_set.pl
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
ccb/admin/c_class_set.pl
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
ccb/admin/c_class_set_ok.pl
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
ccb/admin/c_class_set_ok.pl
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
ccb/admin/c_color_set.pl
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
ccb/admin/c_color_set.pl
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
ccb/admin/c_color_set_ok.pl
Resource
win7-20240215-en
Behavioral task
behavioral24
Sample
ccb/admin/c_color_set_ok.pl
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
ccb/admin/c_constitution.pl
Resource
win7-20240220-en
Behavioral task
behavioral26
Sample
ccb/admin/c_constitution.pl
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
ccb/admin/c_constitution_ok.pl
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
ccb/admin/c_constitution_ok.pl
Resource
win10v2004-20240226-en
Behavioral task
behavioral29
Sample
ccb/admin/c_d_set.pl
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
ccb/admin/c_d_set.pl
Resource
win10v2004-20240226-en
Behavioral task
behavioral31
Sample
ccb/admin/c_d_set_ok.pl
Resource
win7-20240221-en
Behavioral task
behavioral32
Sample
ccb/admin/c_d_set_ok.pl
Resource
win10v2004-20231215-en
General
-
Target
ccb/admin/c_color_set.pl
-
Size
8KB
-
MD5
31244558361ec52373c4ec48bfadadb6
-
SHA1
3f034c6bfb9bf4dbea005abeea82dae38c9f7c1a
-
SHA256
e4b37780e2c6701bc504b2b302fb3b84d04add19de3931b9f289a8249797001d
-
SHA512
0aa9ba787937d9353c4e843ef28f92debeaa5b6bd84d6bb088ff2e48de06bd76c46debfcf08a0bf553e729596495a53b92b88185a4c931291585aea7cc35e74b
-
SSDEEP
192:pMOtf7KmFlh7HWjWl7VzVjw4HbH1HsHEaJmaHFSs+GtW8CoNi5QTqOysnswJo2HR:6KFlZHWWVaA7hKEagaHFf+GEiCQeOysJ
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 12 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pl rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pl\ = "pl_auto_file" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pl_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pl_auto_file\shell\open\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pl_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pl_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pl_auto_file\shell\edit rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pl_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pl_auto_file\shell\edit\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pl_auto_file\shell\open rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pl_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1" rundll32.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2800 NOTEPAD.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2512 wrote to memory of 2648 2512 cmd.exe 29 PID 2512 wrote to memory of 2648 2512 cmd.exe 29 PID 2512 wrote to memory of 2648 2512 cmd.exe 29 PID 2648 wrote to memory of 2800 2648 rundll32.exe 30 PID 2648 wrote to memory of 2800 2648 rundll32.exe 30 PID 2648 wrote to memory of 2800 2648 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\ccb\admin\c_color_set.pl1⤵
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ccb\admin\c_color_set.pl2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\ccb\admin\c_color_set.pl3⤵
- Opens file in notepad (likely ransom note)
PID:2800
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-