Analysis
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max time kernel
128s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
21-03-2023 18:20
Static task
static1
Behavioral task
behavioral1
Sample
744b90faa8a6b6cbf43a30fc8ab70708d06a33a959f32fec6cd2d7ac64acde43.exe
Resource
win10v2004-20230220-en
General
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Target
744b90faa8a6b6cbf43a30fc8ab70708d06a33a959f32fec6cd2d7ac64acde43.exe
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Size
907KB
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MD5
5a5ef75c670ace5c2d3af84b99d79c71
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SHA1
21bdd9784a0144e14b14fe7478be0ed065ad4f96
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SHA256
744b90faa8a6b6cbf43a30fc8ab70708d06a33a959f32fec6cd2d7ac64acde43
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SHA512
026b3e71a179203a6bb757b47cc06364bcd6430ff6bcd18c128036437be2c1d11a58eacc86ac54ce2c7bda6e3548ad2bfeb04f4c91b15b04bd09db59b6a2fa38
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SSDEEP
24576:ty6lYGSvnkAmk1ReMFx+yGJlWteZ4aZBoFE95R:IgYaKeMFpRgvoFe
Malware Config
Extracted
redline
down
193.233.20.31:4125
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auth_value
12c31a90c72f5efae8c053a0bd339381
Extracted
redline
polo
193.233.20.31:4125
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auth_value
f1a1b1041a864e0f1f788d42ececa8b3
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro9754.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro9754.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection qu9751.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" qu9751.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" qu9751.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro9754.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro9754.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro9754.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro9754.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" qu9751.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" qu9751.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" qu9751.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 19 IoCs
resource yara_rule behavioral1/memory/1516-202-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-205-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-203-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-207-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-209-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-211-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-213-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-215-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-219-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-217-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-221-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-223-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-227-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-228-0x00000000026A0000-0x00000000026B0000-memory.dmp family_redline behavioral1/memory/1516-233-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-231-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-235-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-237-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline behavioral1/memory/1516-239-0x00000000052C0000-0x00000000052FE000-memory.dmp family_redline -
Executes dropped EXE 6 IoCs
pid Process 4752 unio1356.exe 3980 unio2853.exe 4832 pro9754.exe 4848 qu9751.exe 1516 rPh27s36.exe 3596 si998725.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" pro9754.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features qu9751.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" qu9751.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 6 IoCs
description ioc Process 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\\\"" unio1356.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio2853.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" unio2853.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 744b90faa8a6b6cbf43a30fc8ab70708d06a33a959f32fec6cd2d7ac64acde43.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\\\"" 744b90faa8a6b6cbf43a30fc8ab70708d06a33a959f32fec6cd2d7ac64acde43.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio1356.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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Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2820 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4084 1516 WerFault.exe 96 -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4832 pro9754.exe 4832 pro9754.exe 4848 qu9751.exe 4848 qu9751.exe 1516 rPh27s36.exe 1516 rPh27s36.exe 3596 si998725.exe 3596 si998725.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4832 pro9754.exe Token: SeDebugPrivilege 4848 qu9751.exe Token: SeDebugPrivilege 1516 rPh27s36.exe Token: SeDebugPrivilege 3596 si998725.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3012 wrote to memory of 4752 3012 744b90faa8a6b6cbf43a30fc8ab70708d06a33a959f32fec6cd2d7ac64acde43.exe 84 PID 3012 wrote to memory of 4752 3012 744b90faa8a6b6cbf43a30fc8ab70708d06a33a959f32fec6cd2d7ac64acde43.exe 84 PID 3012 wrote to memory of 4752 3012 744b90faa8a6b6cbf43a30fc8ab70708d06a33a959f32fec6cd2d7ac64acde43.exe 84 PID 4752 wrote to memory of 3980 4752 unio1356.exe 85 PID 4752 wrote to memory of 3980 4752 unio1356.exe 85 PID 4752 wrote to memory of 3980 4752 unio1356.exe 85 PID 3980 wrote to memory of 4832 3980 unio2853.exe 86 PID 3980 wrote to memory of 4832 3980 unio2853.exe 86 PID 3980 wrote to memory of 4848 3980 unio2853.exe 95 PID 3980 wrote to memory of 4848 3980 unio2853.exe 95 PID 3980 wrote to memory of 4848 3980 unio2853.exe 95 PID 4752 wrote to memory of 1516 4752 unio1356.exe 96 PID 4752 wrote to memory of 1516 4752 unio1356.exe 96 PID 4752 wrote to memory of 1516 4752 unio1356.exe 96 PID 3012 wrote to memory of 3596 3012 744b90faa8a6b6cbf43a30fc8ab70708d06a33a959f32fec6cd2d7ac64acde43.exe 106 PID 3012 wrote to memory of 3596 3012 744b90faa8a6b6cbf43a30fc8ab70708d06a33a959f32fec6cd2d7ac64acde43.exe 106 PID 3012 wrote to memory of 3596 3012 744b90faa8a6b6cbf43a30fc8ab70708d06a33a959f32fec6cd2d7ac64acde43.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\744b90faa8a6b6cbf43a30fc8ab70708d06a33a959f32fec6cd2d7ac64acde43.exe"C:\Users\Admin\AppData\Local\Temp\744b90faa8a6b6cbf43a30fc8ab70708d06a33a959f32fec6cd2d7ac64acde43.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1356.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1356.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4752 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\unio2853.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\unio2853.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3980 -
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pro9754.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pro9754.exe4⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4832
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C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu9751.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\qu9751.exe4⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4848
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rPh27s36.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rPh27s36.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1516 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 13484⤵
- Program crash
PID:4084
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si998725.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si998725.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3596
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1516 -ip 15161⤵PID:1456
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start wuauserv1⤵
- Launches sc.exe
PID:2820
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD544a26d7004f8b65e1a8bac0ccac86d6a
SHA130b583c2c04c1167703ae255b4d44b96b411c8ff
SHA25637384f1bfb6d2193e4ece0ed1f6989f9ebd238e7b4582e1aedfa136cdfd07eb9
SHA51217788355a5190ca17ead744cad71ebb7cfc7ceb84625310d31a469af0fbd50b2c304ce969530e99effeb0d23b0530b57a001f02fe918abc40ea68ad336fa187b
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Filesize
175KB
MD544a26d7004f8b65e1a8bac0ccac86d6a
SHA130b583c2c04c1167703ae255b4d44b96b411c8ff
SHA25637384f1bfb6d2193e4ece0ed1f6989f9ebd238e7b4582e1aedfa136cdfd07eb9
SHA51217788355a5190ca17ead744cad71ebb7cfc7ceb84625310d31a469af0fbd50b2c304ce969530e99effeb0d23b0530b57a001f02fe918abc40ea68ad336fa187b
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Filesize
764KB
MD5f1d252a15d6f6868f25c2d3582c29c87
SHA1290052a17b3476796bd17a1abccd30476b71439d
SHA2566f99f9eae8f0717daa49510aa29304df0a932b1bc03a04e0e6e2f583da6db97c
SHA51283452c036645f1d032aa6f87e4b190dd52257dafe95a67b7b840acf47eb78330b72b67f774a3822dce6d86fd2c71f0b44b804c6c79dbfa7dd768e9cd8178bb0b
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Filesize
764KB
MD5f1d252a15d6f6868f25c2d3582c29c87
SHA1290052a17b3476796bd17a1abccd30476b71439d
SHA2566f99f9eae8f0717daa49510aa29304df0a932b1bc03a04e0e6e2f583da6db97c
SHA51283452c036645f1d032aa6f87e4b190dd52257dafe95a67b7b840acf47eb78330b72b67f774a3822dce6d86fd2c71f0b44b804c6c79dbfa7dd768e9cd8178bb0b
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Filesize
456KB
MD5957e9c1dcfb6d18a1b7b9e3ce99a3e52
SHA1c99efad5ea1aecacdec12caeb18b7405f42691b9
SHA25650dba63b594748c73a56151aae53c004d79436bdaafc383704bd890704d9a50f
SHA5125e240f8e13765d9034ee26e8a0049762cc14891215574ad90f0dd1f3aa605179d920e391fc71effd8927261c88c4174b342267f84695e5b7ad1c976bea7d6c1d
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Filesize
456KB
MD5957e9c1dcfb6d18a1b7b9e3ce99a3e52
SHA1c99efad5ea1aecacdec12caeb18b7405f42691b9
SHA25650dba63b594748c73a56151aae53c004d79436bdaafc383704bd890704d9a50f
SHA5125e240f8e13765d9034ee26e8a0049762cc14891215574ad90f0dd1f3aa605179d920e391fc71effd8927261c88c4174b342267f84695e5b7ad1c976bea7d6c1d
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Filesize
378KB
MD5bfaded11a65c77155ea078739cff90e7
SHA1cd32635def1d3b0c4551957dce301e14c8640984
SHA2566d6d8455e7df2f2d9fa85db8ded06b427ef14faa650f3e4993becf36c4074d23
SHA5129dd71af3a663b2ece7d3f4d3770d1cadeb9b0f4ed8281e8d176204d85159a7dd7a0ab14644c99d8d98d8d38f035bf385e5257b528f08257d3d310c04c044a2a3
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Filesize
378KB
MD5bfaded11a65c77155ea078739cff90e7
SHA1cd32635def1d3b0c4551957dce301e14c8640984
SHA2566d6d8455e7df2f2d9fa85db8ded06b427ef14faa650f3e4993becf36c4074d23
SHA5129dd71af3a663b2ece7d3f4d3770d1cadeb9b0f4ed8281e8d176204d85159a7dd7a0ab14644c99d8d98d8d38f035bf385e5257b528f08257d3d310c04c044a2a3
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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
398KB
MD51679fe77a24daf0da35d78bfcfdf737e
SHA10f3e0906b2c9bbf1fd9db5542661a567eb4a8ece
SHA2566bf1fe4e181c1e2aabff53c8c56eb83ce357cc36363bf746d8b14e0af654b0a2
SHA5128f400d186c2e27e041018053b69b57784d2c44eb321ef7271e08a76de58f48b99fa843b63c65107182ffd4e328155db5cfc7b1cf6729b451f39cc18e4631fc66
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Filesize
398KB
MD51679fe77a24daf0da35d78bfcfdf737e
SHA10f3e0906b2c9bbf1fd9db5542661a567eb4a8ece
SHA2566bf1fe4e181c1e2aabff53c8c56eb83ce357cc36363bf746d8b14e0af654b0a2
SHA5128f400d186c2e27e041018053b69b57784d2c44eb321ef7271e08a76de58f48b99fa843b63c65107182ffd4e328155db5cfc7b1cf6729b451f39cc18e4631fc66