Analysis
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max time kernel
71s -
max time network
143s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
08/03/2023, 22:27
Static task
static1
Behavioral task
behavioral1
Sample
8d1bbb255a7f7922d9d43e841f399babb2780f6b9bd835b5486b6c0b63298516.exe
Resource
win10-20230220-en
General
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Target
8d1bbb255a7f7922d9d43e841f399babb2780f6b9bd835b5486b6c0b63298516.exe
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Size
569KB
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MD5
d78601918e0f3bceb6dcc681398ec733
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SHA1
8d2cfa1f8551e2fb4eb120795e5abef014747681
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SHA256
8d1bbb255a7f7922d9d43e841f399babb2780f6b9bd835b5486b6c0b63298516
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SHA512
73e03373dd3835984757e05c127f1eb4f8f54af6c8ab588d38cc71a32e4ebe8121b3d32bb92eda9ccb6a8edea27dfd219cc6593d24b94f8af84ac7aeac6b5471
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SSDEEP
12288:AMrcy90Cahimz7AuxqVrhAfM7hjpKewASe4Ts3K:MybsVAuxY1T738pj
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" r7578EN.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" r7578EN.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" r7578EN.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" r7578EN.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" r7578EN.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/4304-169-0x0000000002110000-0x0000000002156000-memory.dmp family_redline behavioral1/memory/4304-170-0x0000000004F40000-0x0000000004F84000-memory.dmp family_redline behavioral1/memory/4304-171-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-172-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-174-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-176-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-178-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-180-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-182-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-184-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-186-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-188-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-190-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-192-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-194-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-196-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-198-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-200-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-202-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline behavioral1/memory/4304-204-0x0000000004F40000-0x0000000004F7E000-memory.dmp family_redline -
Executes dropped EXE 2 IoCs
pid Process 3652 r7578EN.exe 4304 w12Nt43.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 r7578EN.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" r7578EN.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 Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 8d1bbb255a7f7922d9d43e841f399babb2780f6b9bd835b5486b6c0b63298516.exe 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\\\"" 8d1bbb255a7f7922d9d43e841f399babb2780f6b9bd835b5486b6c0b63298516.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 3652 r7578EN.exe 3652 r7578EN.exe 4304 w12Nt43.exe 4304 w12Nt43.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3652 r7578EN.exe Token: SeDebugPrivilege 4304 w12Nt43.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4344 wrote to memory of 3652 4344 8d1bbb255a7f7922d9d43e841f399babb2780f6b9bd835b5486b6c0b63298516.exe 66 PID 4344 wrote to memory of 3652 4344 8d1bbb255a7f7922d9d43e841f399babb2780f6b9bd835b5486b6c0b63298516.exe 66 PID 4344 wrote to memory of 3652 4344 8d1bbb255a7f7922d9d43e841f399babb2780f6b9bd835b5486b6c0b63298516.exe 66 PID 4344 wrote to memory of 4304 4344 8d1bbb255a7f7922d9d43e841f399babb2780f6b9bd835b5486b6c0b63298516.exe 67 PID 4344 wrote to memory of 4304 4344 8d1bbb255a7f7922d9d43e841f399babb2780f6b9bd835b5486b6c0b63298516.exe 67 PID 4344 wrote to memory of 4304 4344 8d1bbb255a7f7922d9d43e841f399babb2780f6b9bd835b5486b6c0b63298516.exe 67
Processes
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C:\Users\Admin\AppData\Local\Temp\8d1bbb255a7f7922d9d43e841f399babb2780f6b9bd835b5486b6c0b63298516.exe"C:\Users\Admin\AppData\Local\Temp\8d1bbb255a7f7922d9d43e841f399babb2780f6b9bd835b5486b6c0b63298516.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r7578EN.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r7578EN.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3652
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w12Nt43.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w12Nt43.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4304
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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
307KB
MD570031313e5c5d19e8a0a5b2129a0349c
SHA19ec5c0765581fc7b7c0b5546302566f39cc9b4a2
SHA25611fabd86822c10caf14f9e189d3071ea1355dd996e437eac8eef01a0e419302c
SHA5123d70c382b30ab570c76ee0ccc1a6fbbaf17ab4bd3985d0d7a2eb674f782dfa720698b08d22c0ce115de9c178d3327460a1701e1894cae69ed21dc66da52d9b2a
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Filesize
307KB
MD570031313e5c5d19e8a0a5b2129a0349c
SHA19ec5c0765581fc7b7c0b5546302566f39cc9b4a2
SHA25611fabd86822c10caf14f9e189d3071ea1355dd996e437eac8eef01a0e419302c
SHA5123d70c382b30ab570c76ee0ccc1a6fbbaf17ab4bd3985d0d7a2eb674f782dfa720698b08d22c0ce115de9c178d3327460a1701e1894cae69ed21dc66da52d9b2a