Overview
overview
3Static
static
1Prefetch/C...849.pf
windows7-x64
3Prefetch/C...849.pf
windows10-2004-x64
3Prefetch/C...7E0.pf
windows7-x64
3Prefetch/C...7E0.pf
windows10-2004-x64
3Prefetch/C...981.pf
windows7-x64
3Prefetch/C...981.pf
windows10-2004-x64
3Prefetch/C...0C5.pf
windows7-x64
3Prefetch/C...0C5.pf
windows10-2004-x64
3Prefetch/C...C25.pf
windows7-x64
3Prefetch/C...C25.pf
windows10-2004-x64
3Prefetch/C...64B.pf
windows7-x64
3Prefetch/C...64B.pf
windows10-2004-x64
3Prefetch/C...ECC.pf
windows7-x64
3Prefetch/C...ECC.pf
windows10-2004-x64
3Prefetch/C...0C1.pf
windows7-x64
3Prefetch/C...0C1.pf
windows10-2004-x64
3Prefetch/C...EB3.pf
windows7-x64
3Prefetch/C...EB3.pf
windows10-2004-x64
3Prefetch/C...B6C.pf
windows7-x64
3Prefetch/C...B6C.pf
windows10-2004-x64
3Prefetch/C...6FB.pf
windows7-x64
3Prefetch/C...6FB.pf
windows10-2004-x64
3Prefetch/C...367.pf
windows7-x64
3Prefetch/C...367.pf
windows10-2004-x64
3Prefetch/C...89A.pf
windows7-x64
3Prefetch/C...89A.pf
windows10-2004-x64
3Prefetch/C...3EB.pf
windows7-x64
3Prefetch/C...3EB.pf
windows10-2004-x64
3Prefetch/C...8CB.pf
windows7-x64
3Prefetch/C...8CB.pf
windows10-2004-x64
3Prefetch/C...130.pf
windows7-x64
3Prefetch/C...130.pf
windows10-2004-x64
3Resubmissions
25/03/2024, 21:05
240325-zxdnnahe48 325/03/2024, 20:59
240325-zswcxahd77 325/03/2024, 20:56
240325-zq3dfahd45 325/03/2024, 20:51
240325-zm6xfshc96 325/03/2024, 20:45
240325-zj6ghsca7s 325/03/2024, 20:38
240325-zezs6shb67 325/03/2024, 20:36
240325-zdscpshb45 3Analysis
-
max time kernel
30s -
max time network
37s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2024, 20:45
Static task
static1
Behavioral task
behavioral1
Sample
Prefetch/CIS.EXE-B8EB3849.pf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
Prefetch/CIS.EXE-B8EB3849.pf
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
Prefetch/CISCLEANUPTOOL_X64_NJQ5MDMWYZ-D5FF57E0.pf
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
Prefetch/CISCLEANUPTOOL_X64_NJQ5MDMWYZ-D5FF57E0.pf
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
Prefetch/CMD.EXE-0BD30981.pf
Resource
win7-20240319-en
Behavioral task
behavioral6
Sample
Prefetch/CMD.EXE-0BD30981.pf
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
Prefetch/CMD.EXE-6D6290C5.pf
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
Prefetch/CMD.EXE-6D6290C5.pf
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
Prefetch/CMDINSTALL.EXE-71D8CC25.pf
Resource
win7-20240220-en
Behavioral task
behavioral10
Sample
Prefetch/CMDINSTALL.EXE-71D8CC25.pf
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
Prefetch/CMDVIRTH.EXE-15ACB64B.pf
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
Prefetch/CMDVIRTH.EXE-15ACB64B.pf
Resource
win10v2004-20240319-en
Behavioral task
behavioral13
Sample
Prefetch/COMPATTELRUNNER.EXE-B7A68ECC.pf
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
Prefetch/COMPATTELRUNNER.EXE-B7A68ECC.pf
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
Prefetch/COMPPKGSRV.EXE-4780F0C1.pf
Resource
win7-20240220-en
Behavioral task
behavioral16
Sample
Prefetch/COMPPKGSRV.EXE-4780F0C1.pf
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
Prefetch/CONFIGSCHEDULEDTASK.EXE-927F7EB3.pf
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
Prefetch/CONFIGSCHEDULEDTASK.EXE-927F7EB3.pf
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
Prefetch/CONFIGSERVICE.EXE-01160B6C.pf
Resource
win7-20240215-en
Behavioral task
behavioral20
Sample
Prefetch/CONFIGSERVICE.EXE-01160B6C.pf
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
Prefetch/CONHOST.EXE-0C6456FB.pf
Resource
win7-20231129-en
Behavioral task
behavioral22
Sample
Prefetch/CONHOST.EXE-0C6456FB.pf
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
Prefetch/CONSENT.EXE-40419367.pf
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
Prefetch/CONSENT.EXE-40419367.pf
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
Prefetch/CONTROL.EXE-6EA5489A.pf
Resource
win7-20231129-en
Behavioral task
behavioral26
Sample
Prefetch/CONTROL.EXE-6EA5489A.pf
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
Prefetch/CREDENTIALUIBROKER.EXE-8CEDA3EB.pf
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
Prefetch/CREDENTIALUIBROKER.EXE-8CEDA3EB.pf
Resource
win10v2004-20240226-en
Behavioral task
behavioral29
Sample
Prefetch/CSRSS.EXE-F3C368CB.pf
Resource
win7-20240220-en
Behavioral task
behavioral30
Sample
Prefetch/CSRSS.EXE-F3C368CB.pf
Resource
win10v2004-20240226-en
Behavioral task
behavioral31
Sample
Prefetch/CTFMON.EXE-795F8130.pf
Resource
win7-20240221-en
Behavioral task
behavioral32
Sample
Prefetch/CTFMON.EXE-795F8130.pf
Resource
win10v2004-20240226-en
General
-
Target
Prefetch/CIS.EXE-B8EB3849.pf
-
Size
27KB
-
MD5
5bc9ebd7f3ea7ed1cb9af2e10e29fc18
-
SHA1
604da8f1553a389945db555c942e0c24320fa06b
-
SHA256
eb4ada1552408830a24c9d6bcbf57cdce2942e8330fbc99c94dc4c7ff7dc9c7a
-
SHA512
6d28e4073540d54bf3492b1894aa8020659ecbfd78eddd5d5c7e63cab286df4552e28d254c9105e1f64e2d589a4a549983dd9d9d8b65c490c131351f0e7a14e8
-
SSDEEP
384:C9Z7eHiMO9YGzroE02+r4sfi8BbscwLLz7eZkk3PhZqVx9NpQ5IHhH0CzeEPy5TR:CDwVEqAz70kUZORpNSy5CRH
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000_Classes\Local Settings OpenWith.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3124 NOTEPAD.EXE -
Suspicious use of SetWindowsHookEx 17 IoCs
pid Process 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe 3516 OpenWith.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3516 wrote to memory of 3124 3516 OpenWith.exe 100 PID 3516 wrote to memory of 3124 3516 OpenWith.exe 100
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\CIS.EXE-B8EB3849.pf1⤵
- Modifies registry class
PID:1404
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3516 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Prefetch\CIS.EXE-B8EB3849.pf2⤵
- Opens file in notepad (likely ransom note)
PID:3124
-