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
34s -
platform
windows7_x64 -
resource
win7-20230621-en -
resource tags
arch:x64arch:x86image:win7-20230621-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/RZyWOkqJLQlVrMxWGpvsk.class
-
Size
379B
-
MD5
90a661a215d05231ca3d9f3404339bfc
-
SHA1
0a40431cd7463cbd2631e67c6accfe5774d0af0e
-
SHA256
f7bed4fa46b1ba7bef9cfe259f443e243f82a2edf4a56509e0ec076df2be4297
-
SHA512
ff1cf5db70ac6619465e761165ae742ca332c988927ea914df65a86a7f01188af6c418985347b90620772e25f27beff89679822a2ebf467139e79edc661a40ad
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-1-5-21-3465915139-4244146034-2076118314-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\class_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\.class\ = "class_auto_file" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\class_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\.class rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\class_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\class_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\class_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3465915139-4244146034-2076118314-1000_CLASSES\class_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid Process 1172 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
AcroRd32.exepid Process 1172 AcroRd32.exe 1172 AcroRd32.exe 1172 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid Process procid_target PID 1536 wrote to memory of 672 1536 cmd.exe 29 PID 1536 wrote to memory of 672 1536 cmd.exe 29 PID 1536 wrote to memory of 672 1536 cmd.exe 29 PID 672 wrote to memory of 1172 672 rundll32.exe 30 PID 672 wrote to memory of 1172 672 rundll32.exe 30 PID 672 wrote to memory of 1172 672 rundll32.exe 30 PID 672 wrote to memory of 1172 672 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\carLambo\RZyWOkqJLQlVrMxWGpvsk.class1⤵
- Suspicious use of WriteProcessMemory
PID:1536 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\carLambo\RZyWOkqJLQlVrMxWGpvsk.class2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:672 -
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\RZyWOkqJLQlVrMxWGpvsk.class"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1172
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
3KB
MD5f3c95579a95cec2db11df7bd1eec062d
SHA180235c32d760e26d47a42212fbf0f015d1728a51
SHA256cb238f201237a1fe40c6766103710b5999ab21b9326e4ff24f496ec130b009f0
SHA512ce227fa9784330ef88de9216d7094ec481aecc984e8c63665d8a90a7d590ca9bd31bbda4454d4f3ce749e6451902dba771e610db13c8a2b8e085506c28f54cf9