Overview
overview
10Static
static
7chrome-upd...86.apk
android-9-x86
10chrome-upd...86.apk
android-10-x64
10NKFq.json
windows7-x64
3NKFq.json
windows10-2004-x64
3check_circ...6.json
windows7-x64
3check_circ...6.json
windows10-2004-x64
3clips_onboarding.json
windows7-x64
3clips_onboarding.json
windows10-2004-x64
3countries_en.txt
windows7-x64
1countries_en.txt
windows10-2004-x64
1countries_kz.txt
windows7-x64
1countries_kz.txt
windows10-2004-x64
1countries_...16.txt
windows7-x64
1countries_...16.txt
windows10-2004-x64
1countries_pt.txt
windows7-x64
1countries_pt.txt
windows10-2004-x64
1countries_pt_br.txt
windows7-x64
1countries_pt_br.txt
windows10-2004-x64
1countries_ru.txt
windows7-x64
1countries_ru.txt
windows10-2004-x64
1countries_ua.txt
windows7-x64
1countries_ua.txt
windows10-2004-x64
1data_1.json
windows7-x64
3data_1.json
windows10-2004-x64
3data_1_en.json
windows7-x64
3data_1_en.json
windows10-2004-x64
3data_2.json
windows7-x64
3data_2.json
windows10-2004-x64
3data_2_en.json
windows7-x64
3data_2_en.json
windows10-2004-x64
3data_3.json
windows7-x64
3data_3.json
windows10-2004-x64
3Analysis
-
max time kernel
152s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20230831-en -
submitted
20-09-2023 06:58
Static task
static1
Behavioral task
behavioral1
Sample
chrome-update23586.apk
Resource
android-x86-arm-20230831-en
Behavioral task
behavioral2
Sample
chrome-update23586.apk
Resource
android-x64-20230831-en
Behavioral task
behavioral3
Sample
NKFq.json
Resource
win7-20230831-en
Behavioral task
behavioral4
Sample
NKFq.json
Resource
win10v2004-20230915-en
Behavioral task
behavioral5
Sample
check_circle_outline_56.json
Resource
win7-20230831-en
Behavioral task
behavioral6
Sample
check_circle_outline_56.json
Resource
win10v2004-20230915-en
Behavioral task
behavioral7
Sample
clips_onboarding.json
Resource
win7-20230831-en
Behavioral task
behavioral8
Sample
clips_onboarding.json
Resource
win10v2004-20230915-en
Behavioral task
behavioral9
Sample
countries_en.txt
Resource
win7-20230831-en
Behavioral task
behavioral10
Sample
countries_en.txt
Resource
win10v2004-20230915-en
Behavioral task
behavioral11
Sample
countries_kz.txt
Resource
win7-20230831-en
Behavioral task
behavioral12
Sample
countries_kz.txt
Resource
win10v2004-20230915-en
Behavioral task
behavioral13
Sample
countries_min_age_16.txt
Resource
win7-20230831-en
Behavioral task
behavioral14
Sample
countries_min_age_16.txt
Resource
win10v2004-20230915-en
Behavioral task
behavioral15
Sample
countries_pt.txt
Resource
win7-20230831-en
Behavioral task
behavioral16
Sample
countries_pt.txt
Resource
win10v2004-20230915-en
Behavioral task
behavioral17
Sample
countries_pt_br.txt
Resource
win7-20230831-en
Behavioral task
behavioral18
Sample
countries_pt_br.txt
Resource
win10v2004-20230915-en
Behavioral task
behavioral19
Sample
countries_ru.txt
Resource
win7-20230831-en
Behavioral task
behavioral20
Sample
countries_ru.txt
Resource
win10v2004-20230915-en
Behavioral task
behavioral21
Sample
countries_ua.txt
Resource
win7-20230831-en
Behavioral task
behavioral22
Sample
countries_ua.txt
Resource
win10v2004-20230915-en
Behavioral task
behavioral23
Sample
data_1.json
Resource
win7-20230831-en
Behavioral task
behavioral24
Sample
data_1.json
Resource
win10v2004-20230915-en
Behavioral task
behavioral25
Sample
data_1_en.json
Resource
win7-20230831-en
Behavioral task
behavioral26
Sample
data_1_en.json
Resource
win10v2004-20230915-en
Behavioral task
behavioral27
Sample
data_2.json
Resource
win7-20230831-en
Behavioral task
behavioral28
Sample
data_2.json
Resource
win10v2004-20230915-en
Behavioral task
behavioral29
Sample
data_2_en.json
Resource
win7-20230831-en
Behavioral task
behavioral30
Sample
data_2_en.json
Resource
win10v2004-20230915-en
Behavioral task
behavioral31
Sample
data_3.json
Resource
win7-20230831-en
Behavioral task
behavioral32
Sample
data_3.json
Resource
win10v2004-20230915-en
General
-
Target
NKFq.json
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\json_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\json_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\json_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\json_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\.json rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\.json\ = "json_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\json_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid process 2724 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
AcroRd32.exepid process 2724 AcroRd32.exe 2724 AcroRd32.exe 2724 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 1768 wrote to memory of 2660 1768 cmd.exe rundll32.exe PID 1768 wrote to memory of 2660 1768 cmd.exe rundll32.exe PID 1768 wrote to memory of 2660 1768 cmd.exe rundll32.exe PID 2660 wrote to memory of 2724 2660 rundll32.exe AcroRd32.exe PID 2660 wrote to memory of 2724 2660 rundll32.exe AcroRd32.exe PID 2660 wrote to memory of 2724 2660 rundll32.exe AcroRd32.exe PID 2660 wrote to memory of 2724 2660 rundll32.exe AcroRd32.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\NKFq.json1⤵
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\NKFq.json2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\NKFq.json"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2724
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD50b467a4c4c3fc3b333fc4c3baae0edc6
SHA1e5fb687d875ba9529aeb018d23bf5ac24858193b
SHA2563e36550c33d765ef5ea2e200d5f91b3f6f1fa71be061a75c886273d6e5d321d4
SHA512b51b03e8f9208be4ca0e30f33c00b95cad49ffecf4a23af651ca6eedf1e36e94913ddcbfc790769632857e9ad986503bb60d34e22c65c2e9e5c11f865ed221a2