Analysis
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max time kernel
149s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14-11-2024 17:07
Static task
static1
Behavioral task
behavioral1
Sample
f3ee4f0ee0df0701d4a42338b1e36ef39c8d4e7fb4726b015cd31ebb2dfbdf59.dll
Resource
win7-20240903-en
General
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Target
f3ee4f0ee0df0701d4a42338b1e36ef39c8d4e7fb4726b015cd31ebb2dfbdf59.dll
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Size
952KB
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MD5
60615daea6718bb366a3360c61da8582
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SHA1
a27c75340da626b4a9635a4e8d92ec3ee5c1bb3b
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SHA256
f3ee4f0ee0df0701d4a42338b1e36ef39c8d4e7fb4726b015cd31ebb2dfbdf59
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SHA512
9ccf9349ea4dab95292f9bda79a05cc8d96427cef00395c30f936b2ca7b19abf28d657d41f7c5eb1273c52078673b3007cf18b6a377b051e8bf417221405d9df
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SSDEEP
6144:e34xznfAp4x+NWMqW/KZ1vCDTEpc2bysCZR6iwAtUnWKT5WK8Rpv1llfFfCRAuTx:eIKp/UWCZdCDh2IZDwAFRpR6Aul+
Malware Config
Signatures
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Dridex family
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resource yara_rule behavioral2/memory/3356-3-0x0000000002350000-0x0000000002351000-memory.dmp dridex_stager_shellcode -
resource yara_rule behavioral2/memory/4960-0-0x00007FFA4BCF0000-0x00007FFA4BDDE000-memory.dmp dridex_payload behavioral2/memory/3356-18-0x0000000140000000-0x00000001400EE000-memory.dmp dridex_payload behavioral2/memory/3356-26-0x0000000140000000-0x00000001400EE000-memory.dmp dridex_payload behavioral2/memory/3356-37-0x0000000140000000-0x00000001400EE000-memory.dmp dridex_payload behavioral2/memory/4960-40-0x00007FFA4BCF0000-0x00007FFA4BDDE000-memory.dmp dridex_payload behavioral2/memory/740-48-0x00007FFA3C5F0000-0x00007FFA3C6DF000-memory.dmp dridex_payload behavioral2/memory/740-52-0x00007FFA3C5F0000-0x00007FFA3C6DF000-memory.dmp dridex_payload behavioral2/memory/1132-63-0x00007FFA3C5A0000-0x00007FFA3C6D4000-memory.dmp dridex_payload behavioral2/memory/1132-67-0x00007FFA3C5A0000-0x00007FFA3C6D4000-memory.dmp dridex_payload behavioral2/memory/3300-82-0x00007FFA3C5F0000-0x00007FFA3C6DF000-memory.dmp dridex_payload -
Executes dropped EXE 3 IoCs
pid Process 740 slui.exe 1132 DmNotificationBroker.exe 3300 MoUsoCoreWorker.exe -
Loads dropped DLL 3 IoCs
pid Process 740 slui.exe 1132 DmNotificationBroker.exe 3300 MoUsoCoreWorker.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qhmytabp = "C:\\Users\\Admin\\AppData\\Roaming\\Sun\\Java\\4G\\DmNotificationBroker.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA slui.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA DmNotificationBroker.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA MoUsoCoreWorker.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4960 rundll32.exe 4960 rundll32.exe 4960 rundll32.exe 4960 rundll32.exe 4960 rundll32.exe 4960 rundll32.exe 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found 3356 Process not Found -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3356 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3356 wrote to memory of 1656 3356 Process not Found 98 PID 3356 wrote to memory of 1656 3356 Process not Found 98 PID 3356 wrote to memory of 740 3356 Process not Found 99 PID 3356 wrote to memory of 740 3356 Process not Found 99 PID 3356 wrote to memory of 2024 3356 Process not Found 100 PID 3356 wrote to memory of 2024 3356 Process not Found 100 PID 3356 wrote to memory of 1132 3356 Process not Found 101 PID 3356 wrote to memory of 1132 3356 Process not Found 101 PID 3356 wrote to memory of 676 3356 Process not Found 102 PID 3356 wrote to memory of 676 3356 Process not Found 102 PID 3356 wrote to memory of 3300 3356 Process not Found 103 PID 3356 wrote to memory of 3300 3356 Process not Found 103 -
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\f3ee4f0ee0df0701d4a42338b1e36ef39c8d4e7fb4726b015cd31ebb2dfbdf59.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:4960
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C:\Windows\system32\slui.exeC:\Windows\system32\slui.exe1⤵PID:1656
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C:\Users\Admin\AppData\Local\vhz\slui.exeC:\Users\Admin\AppData\Local\vhz\slui.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:740
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C:\Windows\system32\DmNotificationBroker.exeC:\Windows\system32\DmNotificationBroker.exe1⤵PID:2024
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C:\Users\Admin\AppData\Local\bAEBoBj\DmNotificationBroker.exeC:\Users\Admin\AppData\Local\bAEBoBj\DmNotificationBroker.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1132
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C:\Windows\system32\MoUsoCoreWorker.exeC:\Windows\system32\MoUsoCoreWorker.exe1⤵PID:676
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C:\Users\Admin\AppData\Local\6IWS68\MoUsoCoreWorker.exeC:\Users\Admin\AppData\Local\6IWS68\MoUsoCoreWorker.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3300
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD547c6b45ff22b73caf40bb29392386ce3
SHA17e29a8d98fbb9b02d3d22e3576f4fd61ab50ffe9
SHA256cbccb642725edb42e749e26ded68a16b3aa20e291a1a7793a2d4efebb75f99c0
SHA512c919ab84a497616e7969d58c251f4e6efc337b41ef6956864b86d66ae1437294c124232fec54433eab3a6518ed529f8445dd0b23706b2f42f3fa42e69711f331
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Filesize
956KB
MD53e3719e0f681dccc18a338947c97f0c0
SHA18c341a8a216f4c2adeaa6cf6e8d5068a772619bb
SHA25641520b3d3cd1f12805e517dc4b2211150240812a020d7a371f072460296ff8f0
SHA512f3852e507fb5f2e77a88fa0129cd0cb9af84fd1b291cbc7755665173cbe10d32e520bd3865d8daf6c9fea5072ebd045484949ac95af0afcd6856220f13cf39ac
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Filesize
1.2MB
MD5d8bcc16e58df9eba8719317b8cfca2ce
SHA12ea207245f0785e376d4bc0c626b38119019cd00
SHA256ceb914ca83da8e78d03b235372a0031f347556045470a4e77ab525a1d75acef7
SHA512b89671f41cbf603c3010c45bf6b82237eaa395091f0766eb2a129a542283c8049e09271be0c3adee04aa32641d77f202eb63c685d05acd19e6c682f888b61ecc
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Filesize
32KB
MD5f0bdc20540d314a2aad951c7e2c88420
SHA14ab344595a4a81ab5f31ed96d72f217b4cee790b
SHA256f87537e5f26193a2273380f86cc9ac16d977f65b0eff2435e40be830fd99f7b5
SHA512cb69e35b2954406735264a4ae8fe1eca1bd4575f553ab2178c70749ab997bda3c06496d2fce97872c51215a19093e51eea7cc8971af62ad9d5726f3a0d2730aa
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Filesize
956KB
MD5a3d5286429727eb30bda487057844ea9
SHA18bcfee9d669b620accb3bf5ad1fd44a12b45b00c
SHA2565b2c60096fa2a2dc2c09dfc6c8e3b054f71f698f20d1fedcf5e90c1ac716efdb
SHA512ae8bb5dd1a06ce0c79cc7aa422676e53afde47caae0f7c5ab3a80332c86d53574d1982797667a801ea7e5aed991c3c3de13454ec9f9d5a07f32aa50e54476a17
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Filesize
534KB
MD5eb725ea35a13dc18eac46aa81e7f2841
SHA1c0b3304c970324952e18c4a51073e3bdec73440b
SHA25625e7624d469a592934ab8c509d12c153c2799e604c2a4b8a83650a7268577dff
SHA51239192a1fad29654b3769f007298eff049d0688a3cb51390833ec563f44f9931cd3f6f8693db37b649b061b5aab379b166c15dade56d0fc414375243320375b26
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Filesize
1KB
MD5b878c232dfed22b4586970712455c46b
SHA1a8bfed2930e9f5dc9a373309ef9ce221b85bd580
SHA256ea410e013ad7431875dffc859f25f63aa39fadf2c2717d4eb176caa25e0ad4a8
SHA5129cbe6b895102f219ddd95d9d88cd239c7160828572d41ca32bb484ffda56a1524db15792b363486cea594e80c2b59ececa6f3f6366eccd597da7d5cfcd67dffd