Overview
overview
10Static
static
10carLambo/E....class
windows7-x64
3carLambo/E....class
windows10-2004-x64
3carLambo/F....class
windows7-x64
3carLambo/F....class
windows10-2004-x64
3carLambo/GDI32.class
windows7-x64
3carLambo/GDI32.class
windows10-2004-x64
3carLambo/H....class
windows7-x64
3carLambo/H....class
windows10-2004-x64
3carLambo/K....class
windows7-x64
3carLambo/K....class
windows10-2004-x64
3carLambo/K....class
windows7-x64
3carLambo/K....class
windows10-2004-x64
3carLambo/M....class
windows7-x64
3carLambo/M....class
windows10-2004-x64
3carLambo/O....class
windows7-x64
3carLambo/O....class
windows10-2004-x64
3carLambo/Q....class
windows7-x64
3carLambo/Q....class
windows10-2004-x64
3carLambo/R....class
windows7-x64
3carLambo/R....class
windows10-2004-x64
3carLambo/V....class
windows7-x64
3carLambo/V....class
windows10-2004-x64
3carLambo/W....class
windows7-x64
3carLambo/W....class
windows10-2004-x64
3carLambo/X....class
windows7-x64
3carLambo/X....class
windows10-2004-x64
3carLambo/Z....class
windows7-x64
3carLambo/Z....class
windows10-2004-x64
3carLambo/c....class
windows7-x64
3carLambo/c....class
windows10-2004-x64
3carLambo/d....class
windows7-x64
3carLambo/d....class
windows10-2004-x64
3Analysis
-
max time kernel
150s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
21-06-2023 11:25
Behavioral task
behavioral1
Sample
carLambo/EpWofAJVbFslmSVoJiOKl.class
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
carLambo/EpWofAJVbFslmSVoJiOKl.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral3
Sample
carLambo/FirstRun.class
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
carLambo/FirstRun.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral5
Sample
carLambo/GDI32.class
Resource
win7-20230220-en
Behavioral task
behavioral6
Sample
carLambo/GDI32.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral7
Sample
carLambo/HBrowserNativeApis.class
Resource
win7-20230621-en
Behavioral task
behavioral8
Sample
carLambo/HBrowserNativeApis.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral9
Sample
carLambo/Kernel32.class
Resource
win7-20230621-en
Behavioral task
behavioral10
Sample
carLambo/Kernel32.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral11
Sample
carLambo/KhMkDuVtwQiqTmvRKNRUO.class
Resource
win7-20230220-en
Behavioral task
behavioral12
Sample
carLambo/KhMkDuVtwQiqTmvRKNRUO.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral13
Sample
carLambo/MvtPefgRyYqmhJkLbJFZM.class
Resource
win7-20230220-en
Behavioral task
behavioral14
Sample
carLambo/MvtPefgRyYqmhJkLbJFZM.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral15
Sample
carLambo/ODxCDSlzXcVsVaqVcnjYn.class
Resource
win7-20230621-en
Behavioral task
behavioral16
Sample
carLambo/ODxCDSlzXcVsVaqVcnjYn.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral17
Sample
carLambo/QULuOzqHXCcwKyTrdxVnN.class
Resource
win7-20230220-en
Behavioral task
behavioral18
Sample
carLambo/QULuOzqHXCcwKyTrdxVnN.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral19
Sample
carLambo/RZyWOkqJLQlVrMxWGpvsk.class
Resource
win7-20230621-en
Behavioral task
behavioral20
Sample
carLambo/RZyWOkqJLQlVrMxWGpvsk.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral21
Sample
carLambo/VQZSJWtbIIIWStAmVeEzG.class
Resource
win7-20230220-en
Behavioral task
behavioral22
Sample
carLambo/VQZSJWtbIIIWStAmVeEzG.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral23
Sample
carLambo/WeZvnzdveHuSZcFllCmbF.class
Resource
win7-20230220-en
Behavioral task
behavioral24
Sample
carLambo/WeZvnzdveHuSZcFllCmbF.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral25
Sample
carLambo/XYRGkdetsPPNCXpnbnjzm.class
Resource
win7-20230621-en
Behavioral task
behavioral26
Sample
carLambo/XYRGkdetsPPNCXpnbnjzm.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral27
Sample
carLambo/ZBbWBpgOmMTESxYNmfXpX.class
Resource
win7-20230220-en
Behavioral task
behavioral28
Sample
carLambo/ZBbWBpgOmMTESxYNmfXpX.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral29
Sample
carLambo/cnrXdWOSpajnDCDOTKUUo.class
Resource
win7-20230220-en
Behavioral task
behavioral30
Sample
carLambo/cnrXdWOSpajnDCDOTKUUo.class
Resource
win10v2004-20230621-en
Behavioral task
behavioral31
Sample
carLambo/dDWcwWhGOWwQQirQcyCEh.class
Resource
win7-20230220-en
Behavioral task
behavioral32
Sample
carLambo/dDWcwWhGOWwQQirQcyCEh.class
Resource
win10v2004-20230621-en
General
-
Target
carLambo/KhMkDuVtwQiqTmvRKNRUO.class
-
Size
1KB
-
MD5
f2beb729d761d08cdb93727c833c9317
-
SHA1
8c8527f858cdd37a3e1d3d589bf86076323f337a
-
SHA256
7a6dc25dd332386cd5c412b7f9b7dc3aa7530a5db420132d5181ea870840cfc1
-
SHA512
ad0a2650bd7945e9d8e765127618c3be1c02fdd036afa9253d48cf18dfafe0348ac9f8cada4f5ffd10773fe252a425dd8df4590a4cecdb122b1f0d4166a9250d
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 10 IoCs
Processes:
rundll32.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.class\ = "class_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\class_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\class_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\class_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.class rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\class_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\class_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\class_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid Process 1980 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
AcroRd32.exepid Process 1980 AcroRd32.exe 1980 AcroRd32.exe 1980 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid Process procid_target PID 1992 wrote to memory of 268 1992 cmd.exe 29 PID 1992 wrote to memory of 268 1992 cmd.exe 29 PID 1992 wrote to memory of 268 1992 cmd.exe 29 PID 268 wrote to memory of 1980 268 rundll32.exe 30 PID 268 wrote to memory of 1980 268 rundll32.exe 30 PID 268 wrote to memory of 1980 268 rundll32.exe 30 PID 268 wrote to memory of 1980 268 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\carLambo\KhMkDuVtwQiqTmvRKNRUO.class1⤵
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\carLambo\KhMkDuVtwQiqTmvRKNRUO.class2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:268 -
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\carLambo\KhMkDuVtwQiqTmvRKNRUO.class"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1980
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
3KB
MD5b9d71fe7f30804934e26f096fa7a794f
SHA1d1f98f7daae7018ac2f6a305b8cf2ba792cb755c
SHA25685939f9dab0fe342b3455cb6feb70d4fee1aecf2193b768c84b8919b62732f72
SHA5122cc072bcb503bfb26f5315e4766d4451bf96861d14c40a91f5f908eaef1b1ef62f08b7b67859cf0e1a37d70f788353f49cd519e7a173571e6edf05b0ba358e42