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Analysis
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max time kernel
143s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2023, 06:00
Static task
static1
Behavioral task
behavioral1
Sample
264ba19d6f8bf00d46766d7a42918f0c5d6d7eb025506b4d2ac50c7d7c75e281.exe
Resource
win10v2004-20230220-en
General
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Target
264ba19d6f8bf00d46766d7a42918f0c5d6d7eb025506b4d2ac50c7d7c75e281.exe
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Size
386KB
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MD5
aa9eb46931c27391d1215ce36eb918e2
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SHA1
d1f8c7959190c8f8d88a2fe7d741c0797c0b5382
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SHA256
264ba19d6f8bf00d46766d7a42918f0c5d6d7eb025506b4d2ac50c7d7c75e281
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SHA512
ce130062a02669876ecd55cc0621edfd518b721f8f24a021e1cb67290fe048aa567b23aa17581827a3a391c1bb224fdfde4c0d5181b51e3032cbbb45c936e26c
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SSDEEP
6144:KZy+bnr+Lp0yN90QE4CemQ4pGsl2aRpjf2nJV2h2/enwArs7V/Mpxgpxyp:PMr7y90yCeruTir2hmfx/2Kpy
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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" s7848ub.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" s7848ub.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" s7848ub.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection s7848ub.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" s7848ub.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" s7848ub.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 33 IoCs
resource yara_rule behavioral1/memory/2284-148-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-151-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-153-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-149-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-155-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-157-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-159-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-161-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-163-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-165-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-170-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-172-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-174-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-176-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-178-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-180-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-182-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-184-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-186-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-188-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-190-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-192-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-194-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-196-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-198-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-200-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-202-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-204-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-206-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-208-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-210-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-212-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline behavioral1/memory/2284-214-0x0000000004A20000-0x0000000004A5E000-memory.dmp family_redline -
Executes dropped EXE 2 IoCs
pid Process 1636 s7848ub.exe 2284 t00Pv77.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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" s7848ub.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 264ba19d6f8bf00d46766d7a42918f0c5d6d7eb025506b4d2ac50c7d7c75e281.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\\\"" 264ba19d6f8bf00d46766d7a42918f0c5d6d7eb025506b4d2ac50c7d7c75e281.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 1 IoCs
pid pid_target Process procid_target 2824 2284 WerFault.exe 91 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1636 s7848ub.exe 1636 s7848ub.exe 2284 t00Pv77.exe 2284 t00Pv77.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1636 s7848ub.exe Token: SeDebugPrivilege 2284 t00Pv77.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1288 wrote to memory of 1636 1288 264ba19d6f8bf00d46766d7a42918f0c5d6d7eb025506b4d2ac50c7d7c75e281.exe 86 PID 1288 wrote to memory of 1636 1288 264ba19d6f8bf00d46766d7a42918f0c5d6d7eb025506b4d2ac50c7d7c75e281.exe 86 PID 1288 wrote to memory of 2284 1288 264ba19d6f8bf00d46766d7a42918f0c5d6d7eb025506b4d2ac50c7d7c75e281.exe 91 PID 1288 wrote to memory of 2284 1288 264ba19d6f8bf00d46766d7a42918f0c5d6d7eb025506b4d2ac50c7d7c75e281.exe 91 PID 1288 wrote to memory of 2284 1288 264ba19d6f8bf00d46766d7a42918f0c5d6d7eb025506b4d2ac50c7d7c75e281.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\264ba19d6f8bf00d46766d7a42918f0c5d6d7eb025506b4d2ac50c7d7c75e281.exe"C:\Users\Admin\AppData\Local\Temp\264ba19d6f8bf00d46766d7a42918f0c5d6d7eb025506b4d2ac50c7d7c75e281.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1288 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s7848ub.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s7848ub.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1636
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t00Pv77.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t00Pv77.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2284 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 14723⤵
- Program crash
PID:2824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2284 -ip 22841⤵PID:1272
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
301KB
MD52157ff8760c4126ede53d2ba3939ec4b
SHA1c7f8a41f4de3656b2ef0b6cc3fb5f3f687748605
SHA2560db1bc5ce137040d15b25d622b1435aa4416eb28183e55599edb37e143e45e12
SHA512804a04d76b1736b7a5b8f790509a9fdc97dc81f7bc5dc32dc76ddf77b3f8160ca4cf50984fdf3a433d9c75e0f1ceb2f9d283a75e084214f5031a623c2a619bec
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Filesize
301KB
MD52157ff8760c4126ede53d2ba3939ec4b
SHA1c7f8a41f4de3656b2ef0b6cc3fb5f3f687748605
SHA2560db1bc5ce137040d15b25d622b1435aa4416eb28183e55599edb37e143e45e12
SHA512804a04d76b1736b7a5b8f790509a9fdc97dc81f7bc5dc32dc76ddf77b3f8160ca4cf50984fdf3a433d9c75e0f1ceb2f9d283a75e084214f5031a623c2a619bec