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Analysis
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max time kernel
118s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2023, 04:18
Static task
static1
Behavioral task
behavioral1
Sample
bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.exe
Resource
win10v2004-20230221-en
General
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Target
bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.exe
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Size
550KB
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MD5
1943ff8bdd2c83613e2e50b8fb82d068
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SHA1
2538074a8c0671436be0ee331ddf41dfbee53303
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SHA256
bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d
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SHA512
9444c4d6dd00349b14aca58fbb456e955081eb44f40de72d8cde80450a972edec7572011a1d4c1016cde8655a030529d88ca8f146fdf119d2d443c8819722232
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SSDEEP
12288:jMruy90Tahimz7AuxqVlVWvo6dfmG85DXHhzjGy:xyesVAuxYj+6Dlh
Malware Config
Extracted
redline
fud
193.233.20.27:4123
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auth_value
cddc991efd6918ad5321d80dac884b40
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" r7410lT.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" r7410lT.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection r7410lT.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" r7410lT.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" r7410lT.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" r7410lT.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 18 IoCs
resource yara_rule behavioral1/memory/2276-182-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-181-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-184-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-186-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-188-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-190-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-192-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-194-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-196-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-198-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-200-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-202-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-204-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-206-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-209-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-213-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-216-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline behavioral1/memory/2276-218-0x0000000002570000-0x00000000025AE000-memory.dmp family_redline -
Executes dropped EXE 2 IoCs
pid Process 2056 r7410lT.exe 2276 w77vj54.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 r7410lT.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" r7410lT.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 bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.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\\\"" bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.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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Program crash 2 IoCs
pid pid_target Process procid_target 4524 2056 WerFault.exe 85 2116 2276 WerFault.exe 88 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2056 r7410lT.exe 2056 r7410lT.exe 2276 w77vj54.exe 2276 w77vj54.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2056 r7410lT.exe Token: SeDebugPrivilege 2276 w77vj54.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4652 wrote to memory of 2056 4652 bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.exe 85 PID 4652 wrote to memory of 2056 4652 bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.exe 85 PID 4652 wrote to memory of 2056 4652 bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.exe 85 PID 4652 wrote to memory of 2276 4652 bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.exe 88 PID 4652 wrote to memory of 2276 4652 bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.exe 88 PID 4652 wrote to memory of 2276 4652 bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.exe"C:\Users\Admin\AppData\Local\Temp\bcb8618e8912c45f49b34de0c29316d3897028a03033a317403c00576a0ad53d.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r7410lT.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r7410lT.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2056 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 10963⤵
- Program crash
PID:4524
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w77vj54.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w77vj54.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2276 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 13403⤵
- Program crash
PID:2116
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2056 -ip 20561⤵PID:4508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2276 -ip 22761⤵PID:4892
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
380KB
MD57703b533b6e72a90817e85a9fd1f7126
SHA1f4cc506f60b36ddf6474504989a9b171b1418570
SHA256f6660c406e330206727065c74443d77ab4689c53984e6c2158f130c03cd2e86d
SHA5123ee516734c6246d7b492af2a6ba3cae18d59d83cc281d75544b29918073a472b37d52ad6cf5c78bb36e81cc67e27d5cb2b0a1e6af098eaa4b5f5a3441f8ce031
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Filesize
380KB
MD57703b533b6e72a90817e85a9fd1f7126
SHA1f4cc506f60b36ddf6474504989a9b171b1418570
SHA256f6660c406e330206727065c74443d77ab4689c53984e6c2158f130c03cd2e86d
SHA5123ee516734c6246d7b492af2a6ba3cae18d59d83cc281d75544b29918073a472b37d52ad6cf5c78bb36e81cc67e27d5cb2b0a1e6af098eaa4b5f5a3441f8ce031