Analysis
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max time kernel
90s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
13-02-2023 23:13
Static task
static1
Behavioral task
behavioral1
Sample
771d87ca491233c0dbb80bfed8bd257d9cdf1bbe5c42ee45897c24b21af3d4c5.exe
Resource
win10v2004-20220901-en
General
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Target
771d87ca491233c0dbb80bfed8bd257d9cdf1bbe5c42ee45897c24b21af3d4c5.exe
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Size
478KB
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MD5
fa0ba3551284700d7f5041e47f6a68a1
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SHA1
18896d32228ac8409ce367a92bc0ee1bc4bdd7b1
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SHA256
771d87ca491233c0dbb80bfed8bd257d9cdf1bbe5c42ee45897c24b21af3d4c5
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SHA512
87a9d2e80c66df73be3e5c71377515874e5362d42cbe40490952f7051dbe9d7bda87c6e624ae1ae4e752ab71b7bc90db9a97c4b077c884ded81697aeaa0e3e81
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SSDEEP
12288:CMrHy90HDsIv0s/JZx0wpHW/e8mU2N8ZK9:5ytI3Tx09uN19
Malware Config
Extracted
redline
fusa
193.233.20.12:4132
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auth_value
a08b2f01bd2af756e38c5dd60e87e697
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" lPj65bf.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection bmU52gZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" bmU52gZ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection lPj65bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" lPj65bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" lPj65bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" lPj65bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" bmU52gZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" bmU52gZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" bmU52gZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" bmU52gZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" lPj65bf.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Executes dropped EXE 4 IoCs
pid Process 4896 nIe66zX.exe 4936 bmU52gZ.exe 256 dmh74gf.exe 3348 lPj65bf.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 bmU52gZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" bmU52gZ.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" lPj65bf.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 771d87ca491233c0dbb80bfed8bd257d9cdf1bbe5c42ee45897c24b21af3d4c5.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\\\"" 771d87ca491233c0dbb80bfed8bd257d9cdf1bbe5c42ee45897c24b21af3d4c5.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce nIe66zX.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" nIe66zX.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 1996 4936 WerFault.exe 81 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4936 bmU52gZ.exe 4936 bmU52gZ.exe 256 dmh74gf.exe 256 dmh74gf.exe 3348 lPj65bf.exe 3348 lPj65bf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4936 bmU52gZ.exe Token: SeDebugPrivilege 256 dmh74gf.exe Token: SeDebugPrivilege 3348 lPj65bf.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3564 wrote to memory of 4896 3564 771d87ca491233c0dbb80bfed8bd257d9cdf1bbe5c42ee45897c24b21af3d4c5.exe 80 PID 3564 wrote to memory of 4896 3564 771d87ca491233c0dbb80bfed8bd257d9cdf1bbe5c42ee45897c24b21af3d4c5.exe 80 PID 3564 wrote to memory of 4896 3564 771d87ca491233c0dbb80bfed8bd257d9cdf1bbe5c42ee45897c24b21af3d4c5.exe 80 PID 4896 wrote to memory of 4936 4896 nIe66zX.exe 81 PID 4896 wrote to memory of 4936 4896 nIe66zX.exe 81 PID 4896 wrote to memory of 4936 4896 nIe66zX.exe 81 PID 4896 wrote to memory of 256 4896 nIe66zX.exe 88 PID 4896 wrote to memory of 256 4896 nIe66zX.exe 88 PID 4896 wrote to memory of 256 4896 nIe66zX.exe 88 PID 3564 wrote to memory of 3348 3564 771d87ca491233c0dbb80bfed8bd257d9cdf1bbe5c42ee45897c24b21af3d4c5.exe 90 PID 3564 wrote to memory of 3348 3564 771d87ca491233c0dbb80bfed8bd257d9cdf1bbe5c42ee45897c24b21af3d4c5.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\771d87ca491233c0dbb80bfed8bd257d9cdf1bbe5c42ee45897c24b21af3d4c5.exe"C:\Users\Admin\AppData\Local\Temp\771d87ca491233c0dbb80bfed8bd257d9cdf1bbe5c42ee45897c24b21af3d4c5.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3564 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nIe66zX.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nIe66zX.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bmU52gZ.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bmU52gZ.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4936 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 10804⤵
- Program crash
PID:1996
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dmh74gf.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dmh74gf.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:256
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lPj65bf.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lPj65bf.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4936 -ip 49361⤵PID:680
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
375KB
MD562618eb4be9ef778a8f7ccaed5c667cf
SHA1c78348d0e9ef76a1c546e5474d53153830e2f8c0
SHA2564422cbc4566a30e50000d516d7227201f0658974b02ef6e535337b4fd0abfc06
SHA5123c9ac666eda8b7e44f65eb966171c73b708494b569866a24ec454c402aa44eac3856b00c1d20e6315b816203e491d51b60027ced0751986086c4ae94d6ceefab
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Filesize
375KB
MD562618eb4be9ef778a8f7ccaed5c667cf
SHA1c78348d0e9ef76a1c546e5474d53153830e2f8c0
SHA2564422cbc4566a30e50000d516d7227201f0658974b02ef6e535337b4fd0abfc06
SHA5123c9ac666eda8b7e44f65eb966171c73b708494b569866a24ec454c402aa44eac3856b00c1d20e6315b816203e491d51b60027ced0751986086c4ae94d6ceefab
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Filesize
235KB
MD5ea2af715b2c17a763c05bffc5669ded5
SHA1876295abbc668533e3629c38e5b4db50776f969a
SHA256b639725c9da4eecd879a811d1f643a2d7cef7b15079547c075f3f380f2e83e29
SHA5121f42bf7bed7a87b2da22af31b6c0f3afe844eac6949e2f9379290ff6548259431f6f55c3d5a3de2f408889e0f3cb67898e1e26050b87408a10937902df0b0c9d
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Filesize
235KB
MD5ea2af715b2c17a763c05bffc5669ded5
SHA1876295abbc668533e3629c38e5b4db50776f969a
SHA256b639725c9da4eecd879a811d1f643a2d7cef7b15079547c075f3f380f2e83e29
SHA5121f42bf7bed7a87b2da22af31b6c0f3afe844eac6949e2f9379290ff6548259431f6f55c3d5a3de2f408889e0f3cb67898e1e26050b87408a10937902df0b0c9d
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Filesize
175KB
MD5da6f3bef8abc85bd09f50783059964e3
SHA1a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA5124d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec
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Filesize
175KB
MD5da6f3bef8abc85bd09f50783059964e3
SHA1a0f25f60ec1896c4c920ea397f40e6ce29724322
SHA256e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b
SHA5124d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec