Analysis
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max time kernel
144s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
03/03/2023, 06:58
Static task
static1
Behavioral task
behavioral1
Sample
6c3d62487f45f3d30012cacb802a194121935b15b13866092c88cc9b646abb38.exe
Resource
win10v2004-20230220-en
General
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Target
6c3d62487f45f3d30012cacb802a194121935b15b13866092c88cc9b646abb38.exe
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Size
666KB
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MD5
2af022b2c188b2f04569df13c2acd3a0
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SHA1
09305ecadb10019e7b82c508427d90f04b5472f4
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SHA256
6c3d62487f45f3d30012cacb802a194121935b15b13866092c88cc9b646abb38
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SHA512
a893c0884bf0305bc6c8307085e3f808235ce87b43a171aaca0d24d407e8d8b9f23291cb1927a63dae8e653cea425a77db7ddb7d4e8bd18fa9e5aee49b8851fc
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SSDEEP
12288:lMrCy90/v+0pVS3RYugnFZa77XdGs5k4Zr1mR3X6NZP9B3JePISYdSI6:bye2gV1LWLdGs5xrM3wjB3Jev
Malware Config
Extracted
redline
ruzhpe
pepunn.com:4162
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auth_value
f735ced96ae8d01d0bd1d514240e54e0
Extracted
redline
fchan
pepunn.com:4162
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auth_value
127bd53d55e8c4f0dd2f6e1ea60deef4
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection urSo37Qh36.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" urSo37Qh36.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" urSo37Qh36.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" urSo37Qh36.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" urSo37Qh36.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" urSo37Qh36.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/3864-191-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-192-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-194-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-196-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-202-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-200-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-198-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-204-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-206-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-208-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-210-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-212-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-214-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-216-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-218-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-220-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-222-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-224-0x0000000004C80000-0x0000000004CBE000-memory.dmp family_redline behavioral1/memory/3864-254-0x0000000004DC0000-0x0000000004DD0000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 2028 ycJA10OX24.exe 3944 urSo37Qh36.exe 3864 wrZT43IA10.exe 2500 xuxV94tx89.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 urSo37Qh36.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" urSo37Qh36.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 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\\\"" 6c3d62487f45f3d30012cacb802a194121935b15b13866092c88cc9b646abb38.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce ycJA10OX24.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\\\"" ycJA10OX24.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 6c3d62487f45f3d30012cacb802a194121935b15b13866092c88cc9b646abb38.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 3156 3944 WerFault.exe 85 32 3864 WerFault.exe 91 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3944 urSo37Qh36.exe 3944 urSo37Qh36.exe 3864 wrZT43IA10.exe 3864 wrZT43IA10.exe 2500 xuxV94tx89.exe 2500 xuxV94tx89.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3944 urSo37Qh36.exe Token: SeDebugPrivilege 3864 wrZT43IA10.exe Token: SeDebugPrivilege 2500 xuxV94tx89.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4716 wrote to memory of 2028 4716 6c3d62487f45f3d30012cacb802a194121935b15b13866092c88cc9b646abb38.exe 84 PID 4716 wrote to memory of 2028 4716 6c3d62487f45f3d30012cacb802a194121935b15b13866092c88cc9b646abb38.exe 84 PID 4716 wrote to memory of 2028 4716 6c3d62487f45f3d30012cacb802a194121935b15b13866092c88cc9b646abb38.exe 84 PID 2028 wrote to memory of 3944 2028 ycJA10OX24.exe 85 PID 2028 wrote to memory of 3944 2028 ycJA10OX24.exe 85 PID 2028 wrote to memory of 3944 2028 ycJA10OX24.exe 85 PID 2028 wrote to memory of 3864 2028 ycJA10OX24.exe 91 PID 2028 wrote to memory of 3864 2028 ycJA10OX24.exe 91 PID 2028 wrote to memory of 3864 2028 ycJA10OX24.exe 91 PID 4716 wrote to memory of 2500 4716 6c3d62487f45f3d30012cacb802a194121935b15b13866092c88cc9b646abb38.exe 96 PID 4716 wrote to memory of 2500 4716 6c3d62487f45f3d30012cacb802a194121935b15b13866092c88cc9b646abb38.exe 96 PID 4716 wrote to memory of 2500 4716 6c3d62487f45f3d30012cacb802a194121935b15b13866092c88cc9b646abb38.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\6c3d62487f45f3d30012cacb802a194121935b15b13866092c88cc9b646abb38.exe"C:\Users\Admin\AppData\Local\Temp\6c3d62487f45f3d30012cacb802a194121935b15b13866092c88cc9b646abb38.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4716 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycJA10OX24.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycJA10OX24.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urSo37Qh36.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urSo37Qh36.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3944 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 10844⤵
- Program crash
PID:3156
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrZT43IA10.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrZT43IA10.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3864 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 19044⤵
- Program crash
PID:32
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuxV94tx89.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuxV94tx89.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3944 -ip 39441⤵PID:2144
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 3864 -ip 38641⤵PID:4428
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
175KB
MD59a121985dfc3626e25d6e74b4e6c6d7d
SHA1389272db23131d841ed85d8de5e1d058523923fd
SHA2562207e0a8bc48f1b96d586a4cab4a2f1a6353baaeae5718d4adb0ae2be573f02f
SHA5121475b674971a9ad52477a4459cb2a70b222ff6ebfff56e3f83b9e172b493e57303a6c534425298570d7204047b67bf0d1ec1a95c3bde20c324a066d94c5e2d09
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Filesize
175KB
MD59a121985dfc3626e25d6e74b4e6c6d7d
SHA1389272db23131d841ed85d8de5e1d058523923fd
SHA2562207e0a8bc48f1b96d586a4cab4a2f1a6353baaeae5718d4adb0ae2be573f02f
SHA5121475b674971a9ad52477a4459cb2a70b222ff6ebfff56e3f83b9e172b493e57303a6c534425298570d7204047b67bf0d1ec1a95c3bde20c324a066d94c5e2d09
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Filesize
522KB
MD5a08931124a5008dcba9a035627546ad0
SHA117382853457110d5d9653f1dd9bdbbcddb6384c1
SHA2569b6010e343e4ce2c813202c14e4552496541d4bcd52d8d98b1a5a0e16137cd3c
SHA512653365b609a21dce8a27e65338be5c85aed84f0568161d843a7577cd75018b8acafdbcb851dfb4e13cc50d5223e183a7da0873ccfe35118ff865c9aa5d827863
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Filesize
522KB
MD5a08931124a5008dcba9a035627546ad0
SHA117382853457110d5d9653f1dd9bdbbcddb6384c1
SHA2569b6010e343e4ce2c813202c14e4552496541d4bcd52d8d98b1a5a0e16137cd3c
SHA512653365b609a21dce8a27e65338be5c85aed84f0568161d843a7577cd75018b8acafdbcb851dfb4e13cc50d5223e183a7da0873ccfe35118ff865c9aa5d827863
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Filesize
250KB
MD5452980bfe4732aaef2162c53c88f7ea4
SHA131b4e28e7ffdf36023ea859f0c343036dfb0470e
SHA256855df086e7969ec6904fde9c5920ab3c6c364ebbc240aa266f78a3103b59d06d
SHA5127ad12f0badc78bb1d42743e8776bece49a55e25244a9b7681c17c345f212bd2d28077e7fe495903de160d43aa7b3d57a419f0895ae3420a3b945d830d1d58707
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Filesize
250KB
MD5452980bfe4732aaef2162c53c88f7ea4
SHA131b4e28e7ffdf36023ea859f0c343036dfb0470e
SHA256855df086e7969ec6904fde9c5920ab3c6c364ebbc240aa266f78a3103b59d06d
SHA5127ad12f0badc78bb1d42743e8776bece49a55e25244a9b7681c17c345f212bd2d28077e7fe495903de160d43aa7b3d57a419f0895ae3420a3b945d830d1d58707
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Filesize
309KB
MD5284f5cacca006d191a474f8c3eada4c1
SHA105ccc7b3be213f8543b80cd95e4cbd1aac6190dd
SHA25652e7f367705bf1ad2aed8f9ac8dde3a1c3cd7fc0bd64ae3a3d5a44be416c1341
SHA51226887be6f3f12322ca653e2ba5ee592d5dba31c09312c27d5d29b1d9832f84e42f19a4588787894792d26068dc029ab6abca08a02cc2651e3c8dfe75c41fe4ee
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Filesize
309KB
MD5284f5cacca006d191a474f8c3eada4c1
SHA105ccc7b3be213f8543b80cd95e4cbd1aac6190dd
SHA25652e7f367705bf1ad2aed8f9ac8dde3a1c3cd7fc0bd64ae3a3d5a44be416c1341
SHA51226887be6f3f12322ca653e2ba5ee592d5dba31c09312c27d5d29b1d9832f84e42f19a4588787894792d26068dc029ab6abca08a02cc2651e3c8dfe75c41fe4ee