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
win7-20230621-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/HBrowserNativeApis.class
-
Size
4KB
-
MD5
37c626e65556250e1f4aa28f13f50ec6
-
SHA1
ee3e78187da5c39b74b1533d4d9ccdc3d9f6a81b
-
SHA256
aaa4e40550968e043121b557d06685abe8c04f7e2e0407d89626641615dec902
-
SHA512
29f0ed02c33cad8529901f16837cb100738a79c74c5e3d70721720b7b8cd540d3acf4a2183bd57ad4890d8857a329e0a3237c4b2b3d26346823c91609ea8cedd
-
SSDEEP
96:m7+cJ4rh4i/H5zhKp9wFWmWYaouGF/jE7:Hq4J/HtUPdmTahGVjk
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-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\class_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\class_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\class_auto_file\ rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\.class\ = "class_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\class_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\class_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\class_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\.class rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid Process 572 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
AcroRd32.exepid Process 572 AcroRd32.exe 572 AcroRd32.exe 572 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid Process procid_target PID 1708 wrote to memory of 272 1708 cmd.exe 29 PID 1708 wrote to memory of 272 1708 cmd.exe 29 PID 1708 wrote to memory of 272 1708 cmd.exe 29 PID 272 wrote to memory of 572 272 rundll32.exe 30 PID 272 wrote to memory of 572 272 rundll32.exe 30 PID 272 wrote to memory of 572 272 rundll32.exe 30 PID 272 wrote to memory of 572 272 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\carLambo\HBrowserNativeApis.class1⤵
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\carLambo\HBrowserNativeApis.class2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:272 -
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\HBrowserNativeApis.class"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:572
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3KB
MD5aab00ee5888bd4e50a3035948405b9a5
SHA1238e5c2369ce87aacb0497b85b8577397f154a82
SHA2569f487bb70dadc090b25c95c37b3b97dcd83dd050383235b25847503bc999211f
SHA512d46329467122ec7be19fd4ff93dfd5bdddf71f93276fa2f4dbd2723f8a1e538278e65538ce6a1c99347fa566e497bca5f8d77ff55396d5c67541cade656b1107