Analysis
- max time kernel
131s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
09/03/2024, 01:40
General
- Target b9b70b4077ca44355b4850e19c6e17d6.dll
- Size 2.1MB
- Sample240309-b3w57abc62
- SHA256 0a65e748685b606573e04e320955af33a9fc673b50c7dc4ca6a4d53d9235cfc1
Malware Config
Signatures
- Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
- Dridex Shellcode 1 IoCs
Detects Dridex Payload shellcode injected in Explorer process.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 4 IoCs
- Enumerates system info in registry 2 TTPs 2 IoCs
- Modifies Internet Explorer settings 1 TTPs 4 IoCs
- Modifies registry class 64 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b9b70b4077ca44355b4850e19c6e17d6.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\system32\msinfo32.exeC:\Windows\system32\msinfo32.exe1⤵
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C:\Users\Admin\AppData\Local\EDCzKNRt4\msinfo32.exeC:\Users\Admin\AppData\Local\EDCzKNRt4\msinfo32.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
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C:\Windows\system32\ddodiag.exeC:\Windows\system32\ddodiag.exe1⤵
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C:\Users\Admin\AppData\Local\Df85nZ1M\ddodiag.exeC:\Users\Admin\AppData\Local\Df85nZ1M\ddodiag.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
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C:\Windows\system32\DmNotificationBroker.exeC:\Windows\system32\DmNotificationBroker.exe1⤵
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C:\Users\Admin\AppData\Local\w8dRDms\DmNotificationBroker.exeC:\Users\Admin\AppData\Local\w8dRDms\DmNotificationBroker.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"1⤵
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ffaaa999758,0x7ffaaa999768,0x7ffaaa9997782⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1780 --field-trial-handle=1984,i,17020836030232812850,13040472275594038482,131072 /prefetch:22⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1988 --field-trial-handle=1984,i,17020836030232812850,13040472275594038482,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2072 --field-trial-handle=1984,i,17020836030232812850,13040472275594038482,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2984 --field-trial-handle=1984,i,17020836030232812850,13040472275594038482,131072 /prefetch:12⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2992 --field-trial-handle=1984,i,17020836030232812850,13040472275594038482,131072 /prefetch:12⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4676 --field-trial-handle=1984,i,17020836030232812850,13040472275594038482,131072 /prefetch:12⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5152 --field-trial-handle=1984,i,17020836030232812850,13040472275594038482,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4156 --field-trial-handle=1984,i,17020836030232812850,13040472275594038482,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4684 --field-trial-handle=1984,i,17020836030232812850,13040472275594038482,131072 /prefetch:82⤵
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=5356 --field-trial-handle=1984,i,17020836030232812850,13040472275594038482,131072 /prefetch:12⤵
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C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
XmlLite.dll
XmlLite.dll
ddodiag.exe
SLC.dll
SLC.dll
msinfo32.exe
msinfo32.exe
data_0
data_1
data_3
TransportSecurity
Preferences
Secure Preferences
Local State
persisted_first_party_sets.json
DUI70.dll
DUI70.dll
DmNotificationBroker.exe
DUI70.dll
Zleyjbxoi.lnk
XmlLite.dll
SLC.dll
memory/336-79-0x00000181E1FE0000-0x00000181E1FE7000-memory.dmp
memory/336-80-0x0000000140000000-0x0000000140212000-memory.dmp
memory/2796-1-0x0000000140000000-0x0000000140211000-memory.dmp
memory/2796-8-0x0000000140000000-0x0000000140211000-memory.dmp
memory/2796-0-0x0000014B05380000-0x0000014B05387000-memory.dmp
memory/3396-23-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-28-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-34-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-33-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-35-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-36-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-37-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-38-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-39-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-40-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-41-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-43-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-42-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-45-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-49-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-51-0x00000000010E0000-0x00000000010E7000-memory.dmp
memory/3396-50-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-48-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-47-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-46-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-44-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-58-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-59-0x00007FFAC8B40000-0x00007FFAC8B50000-memory.dmp
memory/3396-68-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-70-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-32-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-31-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-30-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-29-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-27-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-26-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-25-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-24-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-22-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-4-0x0000000001110000-0x0000000001111000-memory.dmp
memory/3396-21-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-20-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-19-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-7-0x00007FFAC8A4A000-0x00007FFAC8A4B000-memory.dmp
memory/3396-18-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-17-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-16-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-15-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-14-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-13-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-12-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-11-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-10-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-9-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3396-6-0x0000000140000000-0x0000000140211000-memory.dmp
memory/3784-97-0x00000229B7BE0000-0x00000229B7BE7000-memory.dmp
memory/3868-113-0x00000174A7610000-0x00000174A7617000-memory.dmp