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Analysis
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max time kernel
143s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
15/03/2023, 07:51
Static task
static1
Behavioral task
behavioral1
Sample
c4019a734888ba812d759c8cc0e688d85515ca0c1eb123ee83a180df6ee06b7c.exe
Resource
win10v2004-20230220-en
General
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Target
c4019a734888ba812d759c8cc0e688d85515ca0c1eb123ee83a180df6ee06b7c.exe
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Size
875KB
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MD5
c097ca7b88d74d0541d3a786224af5c2
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SHA1
98c287573ecb5425bb7ce6ac0914ee3639dde582
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SHA256
c4019a734888ba812d759c8cc0e688d85515ca0c1eb123ee83a180df6ee06b7c
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SHA512
b437a406c712eaffed89eb3658f87dac69daa2d5ec9aa7dfcef0852d57d1cc7350300a7fc35552f3b4a987a04f3711e0461bf8f308870c3cdc106dbadc2ec74c
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SSDEEP
12288:MMriy90hxu9pk2oM2rs2DQwe7KifyGkdf7u6uLHbdAVVqhGStxbjDY27pqAoGUH9:uy8MT4rEwLRHfaHbdiV/S/lFroGO
Malware Config
Extracted
redline
mango
193.233.20.28:4125
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auth_value
ecf79d7f5227d998a3501c972d915d23
Extracted
redline
rita
193.233.20.28:4125
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auth_value
5cf1bcf41b0a2f3710619223451dfd3a
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" b3855MR.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" b3855MR.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection c18Vr16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" c18Vr16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" c18Vr16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" c18Vr16.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection b3855MR.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" b3855MR.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" b3855MR.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" b3855MR.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" c18Vr16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" c18Vr16.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/776-206-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-208-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-210-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-212-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-214-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-216-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-218-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-220-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-222-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-224-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-226-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-228-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-230-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-232-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-234-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-236-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-238-0x0000000007160000-0x000000000719E000-memory.dmp family_redline behavioral1/memory/776-240-0x0000000007160000-0x000000000719E000-memory.dmp family_redline -
Executes dropped EXE 6 IoCs
pid Process 448 tice3982.exe 1592 tice1120.exe 1240 b3855MR.exe 1900 c18Vr16.exe 776 dunfy77.exe 2964 e79Lb37.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 c18Vr16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" c18Vr16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" b3855MR.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 Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce c4019a734888ba812d759c8cc0e688d85515ca0c1eb123ee83a180df6ee06b7c.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\\\"" c4019a734888ba812d759c8cc0e688d85515ca0c1eb123ee83a180df6ee06b7c.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce tice3982.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\\\"" tice3982.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce tice1120.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\\\"" tice1120.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 4040 1900 WerFault.exe 95 4308 776 WerFault.exe 100 -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1240 b3855MR.exe 1240 b3855MR.exe 1900 c18Vr16.exe 1900 c18Vr16.exe 776 dunfy77.exe 776 dunfy77.exe 2964 e79Lb37.exe 2964 e79Lb37.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1240 b3855MR.exe Token: SeDebugPrivilege 1900 c18Vr16.exe Token: SeDebugPrivilege 776 dunfy77.exe Token: SeDebugPrivilege 2964 e79Lb37.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3144 wrote to memory of 448 3144 c4019a734888ba812d759c8cc0e688d85515ca0c1eb123ee83a180df6ee06b7c.exe 86 PID 3144 wrote to memory of 448 3144 c4019a734888ba812d759c8cc0e688d85515ca0c1eb123ee83a180df6ee06b7c.exe 86 PID 3144 wrote to memory of 448 3144 c4019a734888ba812d759c8cc0e688d85515ca0c1eb123ee83a180df6ee06b7c.exe 86 PID 448 wrote to memory of 1592 448 tice3982.exe 87 PID 448 wrote to memory of 1592 448 tice3982.exe 87 PID 448 wrote to memory of 1592 448 tice3982.exe 87 PID 1592 wrote to memory of 1240 1592 tice1120.exe 88 PID 1592 wrote to memory of 1240 1592 tice1120.exe 88 PID 1592 wrote to memory of 1900 1592 tice1120.exe 95 PID 1592 wrote to memory of 1900 1592 tice1120.exe 95 PID 1592 wrote to memory of 1900 1592 tice1120.exe 95 PID 448 wrote to memory of 776 448 tice3982.exe 100 PID 448 wrote to memory of 776 448 tice3982.exe 100 PID 448 wrote to memory of 776 448 tice3982.exe 100 PID 3144 wrote to memory of 2964 3144 c4019a734888ba812d759c8cc0e688d85515ca0c1eb123ee83a180df6ee06b7c.exe 106 PID 3144 wrote to memory of 2964 3144 c4019a734888ba812d759c8cc0e688d85515ca0c1eb123ee83a180df6ee06b7c.exe 106 PID 3144 wrote to memory of 2964 3144 c4019a734888ba812d759c8cc0e688d85515ca0c1eb123ee83a180df6ee06b7c.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\c4019a734888ba812d759c8cc0e688d85515ca0c1eb123ee83a180df6ee06b7c.exe"C:\Users\Admin\AppData\Local\Temp\c4019a734888ba812d759c8cc0e688d85515ca0c1eb123ee83a180df6ee06b7c.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3144 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tice3982.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tice3982.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:448 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tice1120.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tice1120.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3855MR.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3855MR.exe4⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1240
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C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c18Vr16.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c18Vr16.exe4⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1900 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 10085⤵
- Program crash
PID:4040
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dunfy77.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dunfy77.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:776 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 776 -s 13484⤵
- Program crash
PID:4308
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\e79Lb37.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\e79Lb37.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2964
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1900 -ip 19001⤵PID:3148
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 776 -ip 7761⤵PID:2700
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD58b0ea3120d3d291045b26bcea5ccef54
SHA107ed9587057ae936ca0610051142a4add4f7b6aa
SHA2566659717ddb5d87d6dc4e3c9e1d582bc58778c633eb50c61e3bdc57b5d3be7690
SHA5126d112c8621488b8ec6373ec6ab87b20cd07d33ea945d67a6aaa9ca043d9556b735b3c7b9d33c562e29c8e875c3a947a203a33ad27c2d2afe75e2f75873768244
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Filesize
175KB
MD58b0ea3120d3d291045b26bcea5ccef54
SHA107ed9587057ae936ca0610051142a4add4f7b6aa
SHA2566659717ddb5d87d6dc4e3c9e1d582bc58778c633eb50c61e3bdc57b5d3be7690
SHA5126d112c8621488b8ec6373ec6ab87b20cd07d33ea945d67a6aaa9ca043d9556b735b3c7b9d33c562e29c8e875c3a947a203a33ad27c2d2afe75e2f75873768244
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Filesize
731KB
MD5af3498fc765765af229df52daeef5652
SHA1782c76e47def27ff216b70ee578f2d61c696b739
SHA256b42cd17f4aabdde4fa79b8930e4af9b5d7844f257c86786203f2190e1d3a95c5
SHA5128f22cf7032c72aa6092ec63a805817d2d05a434c7431f881d57097f7327670f1edb8b9c2958519207c0fee180fe3f9bf2620dfbff622d17660877726053dcc1b
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Filesize
731KB
MD5af3498fc765765af229df52daeef5652
SHA1782c76e47def27ff216b70ee578f2d61c696b739
SHA256b42cd17f4aabdde4fa79b8930e4af9b5d7844f257c86786203f2190e1d3a95c5
SHA5128f22cf7032c72aa6092ec63a805817d2d05a434c7431f881d57097f7327670f1edb8b9c2958519207c0fee180fe3f9bf2620dfbff622d17660877726053dcc1b
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Filesize
409KB
MD5ec8772f6328520b23dbc9190809993db
SHA1e9081b0d6e0ddb2865e9e03ac11d439213f74cb0
SHA256727731394364b017c1ac1746684c1efbe04c2dd5b712231d9c5c8f63afdc5a07
SHA51275688d6d1324fa065682f26dd7c8aeaa10f992d72efe951888797d7e594eb7b7bb57671a2b020e87fc35865262d99aebeef31c88c1183a4f8c7a9c7bf6ea43ad
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Filesize
409KB
MD5ec8772f6328520b23dbc9190809993db
SHA1e9081b0d6e0ddb2865e9e03ac11d439213f74cb0
SHA256727731394364b017c1ac1746684c1efbe04c2dd5b712231d9c5c8f63afdc5a07
SHA51275688d6d1324fa065682f26dd7c8aeaa10f992d72efe951888797d7e594eb7b7bb57671a2b020e87fc35865262d99aebeef31c88c1183a4f8c7a9c7bf6ea43ad
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Filesize
366KB
MD59a850ddd6006e5198d9c0c0c8b80a18d
SHA1d0403c878c6a9aa6754c6d511ab6c5b5b02568ba
SHA25665e72893a128e1bc8eaaea7a0274a844953859895e8b4e1bf6c9b24053a8f15f
SHA5125c36ecbcefdb655a130134fcbe824a08629ead64710062a15a26d85d124367f104599b419c699a792c7c86a9bab607679b85f6f5afe94630fb2f429a1fbe3dbe
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Filesize
366KB
MD59a850ddd6006e5198d9c0c0c8b80a18d
SHA1d0403c878c6a9aa6754c6d511ab6c5b5b02568ba
SHA25665e72893a128e1bc8eaaea7a0274a844953859895e8b4e1bf6c9b24053a8f15f
SHA5125c36ecbcefdb655a130134fcbe824a08629ead64710062a15a26d85d124367f104599b419c699a792c7c86a9bab607679b85f6f5afe94630fb2f429a1fbe3dbe
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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
351KB
MD5f4dc5f3e741ed03a0e13373acb5bc739
SHA1d35b8ac3ddca781deb334b1998d3752ae93947e6
SHA256e0505097f854b774769e1f5dd1b8a30743ab70eb7c3e3cfd6dbca9872d788937
SHA5126dacde90debd38afdb67e76f5e46d41cbad16e6b76c268e77c5dea0e96810648b6ce33adfff51daec1f5b461e76cb588c3d8a173a53acafb63e2d200028b2e21
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Filesize
351KB
MD5f4dc5f3e741ed03a0e13373acb5bc739
SHA1d35b8ac3ddca781deb334b1998d3752ae93947e6
SHA256e0505097f854b774769e1f5dd1b8a30743ab70eb7c3e3cfd6dbca9872d788937
SHA5126dacde90debd38afdb67e76f5e46d41cbad16e6b76c268e77c5dea0e96810648b6ce33adfff51daec1f5b461e76cb588c3d8a173a53acafb63e2d200028b2e21