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/dDWcwWhGOWwQQirQcyCEh.class
-
Size
379B
-
MD5
2b8fd9b948b11d75495fbbfad92b88cb
-
SHA1
c88f101aa7588f554bcc9c9cd83f631f7bdd8c0e
-
SHA256
fef2de74688cc4ea7516eb7838204ff7a8b5bb6b686ba33fec89cace9a9f9482
-
SHA512
0b4c6819a2526248d59dc20b84dfd2c67e53dbe25ff401750fa0440bf3032a42772327faabb5df321c4bb4aa42874a99929c66a25daa2223672f11a079fb6b34
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-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\class_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\class_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_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-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\class_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\class_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.class rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.class\ = "class_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\class_auto_file\shell\Read rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid Process 1856 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
AcroRd32.exepid Process 1856 AcroRd32.exe 1856 AcroRd32.exe 1856 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid Process procid_target PID 1656 wrote to memory of 1556 1656 cmd.exe 29 PID 1656 wrote to memory of 1556 1656 cmd.exe 29 PID 1656 wrote to memory of 1556 1656 cmd.exe 29 PID 1556 wrote to memory of 1856 1556 rundll32.exe 30 PID 1556 wrote to memory of 1856 1556 rundll32.exe 30 PID 1556 wrote to memory of 1856 1556 rundll32.exe 30 PID 1556 wrote to memory of 1856 1556 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\carLambo\dDWcwWhGOWwQQirQcyCEh.class1⤵
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\carLambo\dDWcwWhGOWwQQirQcyCEh.class2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1556 -
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\dDWcwWhGOWwQQirQcyCEh.class"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1856
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
3KB
MD57a9a620a778940ad345ff7b645ae70bd
SHA1cda5ef242d39109ca54872e210f79fecce69c520
SHA25624352e42bf6f9eb8d030b5cc4da3ea5a388d0b77712af3e0a407eb2f1254f068
SHA512b58b93457f550135c03a8b670608aa54920b1fe98e154d525bb5fafebf85c988f5f69e7e99fc94efe05ba4f47d1e48a6d67f4bafaab98208a3f3b680b48c3231