Analysis
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max time kernel
51s -
max time network
75s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
09/03/2023, 03:01
Static task
static1
Behavioral task
behavioral1
Sample
d3671860366fd88f44ad2fced1d56a69e5dcb7d276fca5f9b6ed1136b3d9beda.exe
Resource
win10-20230220-en
General
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Target
d3671860366fd88f44ad2fced1d56a69e5dcb7d276fca5f9b6ed1136b3d9beda.exe
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Size
577KB
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MD5
2cadd06e6d90e68120b518506dbce8c7
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SHA1
197bea7c66ba034032d8c3b4848a4f3ee2614a55
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SHA256
d3671860366fd88f44ad2fced1d56a69e5dcb7d276fca5f9b6ed1136b3d9beda
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SHA512
2fd12581504f0373c08c6c035fef40ae73f898e3901d4fe5cd7957efb178346e9953a01b1343595ba0dcef759e044f64d7dad3071af7cf9d999e4a4318673162
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SSDEEP
12288:8MrGy90Mahimz7AuxqVtc0kyjYtPkxhGneUpuI1fAWd44:CyZsVAuxYyustPkSeUMIxAy
Malware Config
Extracted
redline
mango
193.233.20.28:4125
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auth_value
ecf79d7f5227d998a3501c972d915d23
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" r3147BZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" r3147BZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" r3147BZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" r3147BZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" r3147BZ.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 20 IoCs
resource yara_rule behavioral1/memory/4100-173-0x0000000002560000-0x00000000025A6000-memory.dmp family_redline behavioral1/memory/4100-174-0x0000000004F50000-0x0000000004F94000-memory.dmp family_redline behavioral1/memory/4100-175-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-176-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-178-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-180-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-186-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-182-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-190-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-192-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-194-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-196-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-198-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-200-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-202-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-204-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-206-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-208-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-210-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline behavioral1/memory/4100-212-0x0000000004F50000-0x0000000004F8E000-memory.dmp family_redline -
Executes dropped EXE 2 IoCs
pid Process 5048 r3147BZ.exe 4100 w03xP98.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features r3147BZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" r3147BZ.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" d3671860366fd88f44ad2fced1d56a69e5dcb7d276fca5f9b6ed1136b3d9beda.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce d3671860366fd88f44ad2fced1d56a69e5dcb7d276fca5f9b6ed1136b3d9beda.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5048 r3147BZ.exe 5048 r3147BZ.exe 4100 w03xP98.exe 4100 w03xP98.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5048 r3147BZ.exe Token: SeDebugPrivilege 4100 w03xP98.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4452 wrote to memory of 5048 4452 d3671860366fd88f44ad2fced1d56a69e5dcb7d276fca5f9b6ed1136b3d9beda.exe 66 PID 4452 wrote to memory of 5048 4452 d3671860366fd88f44ad2fced1d56a69e5dcb7d276fca5f9b6ed1136b3d9beda.exe 66 PID 4452 wrote to memory of 5048 4452 d3671860366fd88f44ad2fced1d56a69e5dcb7d276fca5f9b6ed1136b3d9beda.exe 66 PID 4452 wrote to memory of 4100 4452 d3671860366fd88f44ad2fced1d56a69e5dcb7d276fca5f9b6ed1136b3d9beda.exe 67 PID 4452 wrote to memory of 4100 4452 d3671860366fd88f44ad2fced1d56a69e5dcb7d276fca5f9b6ed1136b3d9beda.exe 67 PID 4452 wrote to memory of 4100 4452 d3671860366fd88f44ad2fced1d56a69e5dcb7d276fca5f9b6ed1136b3d9beda.exe 67
Processes
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C:\Users\Admin\AppData\Local\Temp\d3671860366fd88f44ad2fced1d56a69e5dcb7d276fca5f9b6ed1136b3d9beda.exe"C:\Users\Admin\AppData\Local\Temp\d3671860366fd88f44ad2fced1d56a69e5dcb7d276fca5f9b6ed1136b3d9beda.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4452 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r3147BZ.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r3147BZ.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5048
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w03xP98.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w03xP98.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4100
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
322KB
MD58141937b23cd1895e561d8e90fdeeff3
SHA16f810e9e480564f5837461f8ccdd07c951a1bece
SHA256ddda10348c77cf0a1539c3a42ce4f71e2c1895ab9b77348256e0a1f01c0936b6
SHA51240957cd33c4be1dab98ac0c40424c868aa3be6f6265fa28df050e5a4844ac6324acb93770bc6cb7cafedabc93fab9b9179a6e6525f6b3dd6fa9e31b4d5da5bec
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Filesize
322KB
MD58141937b23cd1895e561d8e90fdeeff3
SHA16f810e9e480564f5837461f8ccdd07c951a1bece
SHA256ddda10348c77cf0a1539c3a42ce4f71e2c1895ab9b77348256e0a1f01c0936b6
SHA51240957cd33c4be1dab98ac0c40424c868aa3be6f6265fa28df050e5a4844ac6324acb93770bc6cb7cafedabc93fab9b9179a6e6525f6b3dd6fa9e31b4d5da5bec
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Filesize
323KB
MD5a18bc052dac76e8b0b9945594d2e8eab
SHA19342f954e199cb1e8375daf861d91b877f1c6ad9
SHA256d8a2a5c2cc4691861d4f8409f2877cac35b3e82ae94b90a45160ae204a4cf7d2
SHA512898156d3be9e60ae438033b2b9d9d30891781cb43841dd00e3dc6431d9ae458d61fd060348a6780d5d594b08c2a67978a62e81a37d7d777c8c8d5868ebdd33b6
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Filesize
323KB
MD5a18bc052dac76e8b0b9945594d2e8eab
SHA19342f954e199cb1e8375daf861d91b877f1c6ad9
SHA256d8a2a5c2cc4691861d4f8409f2877cac35b3e82ae94b90a45160ae204a4cf7d2
SHA512898156d3be9e60ae438033b2b9d9d30891781cb43841dd00e3dc6431d9ae458d61fd060348a6780d5d594b08c2a67978a62e81a37d7d777c8c8d5868ebdd33b6