Analysis
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max time kernel
143s -
max time network
124s -
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, 07:07
Static task
static1
Behavioral task
behavioral1
Sample
d56fa41dc47134241c4cd8c8316af2fe1c3fe24149725ad4558daeed4452d5a2.exe
Resource
win10v2004-20230220-en
General
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Target
d56fa41dc47134241c4cd8c8316af2fe1c3fe24149725ad4558daeed4452d5a2.exe
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Size
666KB
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MD5
a0e4036d230c140dfbac3ed770d81063
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SHA1
7376cda3fe96c47a7183430ecc46cbe087b80c3d
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SHA256
d56fa41dc47134241c4cd8c8316af2fe1c3fe24149725ad4558daeed4452d5a2
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SHA512
fd48d46ec852dd1dc57ad74da7844e1ca1b06326396132bf199a3a7feb53c24a38a987b3926bf9e5ea18c189ffad91f71ba851afdfe08a1b8ff26441a5e53457
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SSDEEP
12288:wMrmy90hwPxwBsiKAVKJNSRtCzXdGM5k4QZorHmR3X6NnPTB3WtPISYdAghnMmm:GyLwBsipkJCtudGM5vr23wLB3WtZghLm
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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" urHq18TA30.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" urHq18TA30.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" urHq18TA30.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" urHq18TA30.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" urHq18TA30.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection urHq18TA30.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/2480-192-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-191-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-194-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-196-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-198-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-203-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-205-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-207-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-209-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-211-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-213-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-215-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-217-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-219-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-221-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-223-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-225-0x0000000002730000-0x000000000276E000-memory.dmp family_redline behavioral1/memory/2480-227-0x0000000002730000-0x000000000276E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 116 ycXS43FE10.exe 3844 urHq18TA30.exe 2480 wraT53Cw09.exe 2780 xuWw49Rn37.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 urHq18TA30.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" urHq18TA30.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 d56fa41dc47134241c4cd8c8316af2fe1c3fe24149725ad4558daeed4452d5a2.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\\\"" d56fa41dc47134241c4cd8c8316af2fe1c3fe24149725ad4558daeed4452d5a2.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce ycXS43FE10.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\\\"" ycXS43FE10.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 4596 3844 WerFault.exe 87 4100 2480 WerFault.exe 93 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3844 urHq18TA30.exe 3844 urHq18TA30.exe 2480 wraT53Cw09.exe 2480 wraT53Cw09.exe 2780 xuWw49Rn37.exe 2780 xuWw49Rn37.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3844 urHq18TA30.exe Token: SeDebugPrivilege 2480 wraT53Cw09.exe Token: SeDebugPrivilege 2780 xuWw49Rn37.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4284 wrote to memory of 116 4284 d56fa41dc47134241c4cd8c8316af2fe1c3fe24149725ad4558daeed4452d5a2.exe 86 PID 4284 wrote to memory of 116 4284 d56fa41dc47134241c4cd8c8316af2fe1c3fe24149725ad4558daeed4452d5a2.exe 86 PID 4284 wrote to memory of 116 4284 d56fa41dc47134241c4cd8c8316af2fe1c3fe24149725ad4558daeed4452d5a2.exe 86 PID 116 wrote to memory of 3844 116 ycXS43FE10.exe 87 PID 116 wrote to memory of 3844 116 ycXS43FE10.exe 87 PID 116 wrote to memory of 3844 116 ycXS43FE10.exe 87 PID 116 wrote to memory of 2480 116 ycXS43FE10.exe 93 PID 116 wrote to memory of 2480 116 ycXS43FE10.exe 93 PID 116 wrote to memory of 2480 116 ycXS43FE10.exe 93 PID 4284 wrote to memory of 2780 4284 d56fa41dc47134241c4cd8c8316af2fe1c3fe24149725ad4558daeed4452d5a2.exe 97 PID 4284 wrote to memory of 2780 4284 d56fa41dc47134241c4cd8c8316af2fe1c3fe24149725ad4558daeed4452d5a2.exe 97 PID 4284 wrote to memory of 2780 4284 d56fa41dc47134241c4cd8c8316af2fe1c3fe24149725ad4558daeed4452d5a2.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\d56fa41dc47134241c4cd8c8316af2fe1c3fe24149725ad4558daeed4452d5a2.exe"C:\Users\Admin\AppData\Local\Temp\d56fa41dc47134241c4cd8c8316af2fe1c3fe24149725ad4558daeed4452d5a2.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4284 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXS43FE10.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycXS43FE10.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urHq18TA30.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urHq18TA30.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3844 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3844 -s 10804⤵
- Program crash
PID:4596
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wraT53Cw09.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wraT53Cw09.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2480 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2480 -s 18604⤵
- Program crash
PID:4100
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuWw49Rn37.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuWw49Rn37.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2780
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3844 -ip 38441⤵PID:1600
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2480 -ip 24801⤵PID:4372
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5f050e47a697562fa284bf21b3dfa1425
SHA14bbcc9ff52b13cc1643d941b68861d3a399ddded
SHA256fc46a11420dd835875b2341a0e46e1fdb74086a56e7a179aae535af534f4d4e5
SHA512f4d8821bc135ca30077361e025b69981937ff27015a4827c05287ae12ac4755148138f36dd5519aa66be8da56fe56f4e1811d3aad801e8dbdc282c3e0b4c4160
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Filesize
175KB
MD5f050e47a697562fa284bf21b3dfa1425
SHA14bbcc9ff52b13cc1643d941b68861d3a399ddded
SHA256fc46a11420dd835875b2341a0e46e1fdb74086a56e7a179aae535af534f4d4e5
SHA512f4d8821bc135ca30077361e025b69981937ff27015a4827c05287ae12ac4755148138f36dd5519aa66be8da56fe56f4e1811d3aad801e8dbdc282c3e0b4c4160
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Filesize
522KB
MD53a590a13bc93ac78ba3dc3a81bd0a2ed
SHA1285761d748da9dbc7aa137afceb1520200f1206e
SHA2561447fb711113dfe0ab9c3980a372d15490c41f0baa8a0533b894e7cd59de309d
SHA512c23751108cf622160dd93b29d7ce3905bdaca4eaa58e9b0c6bc816f19b4d84d6f6b84bbc43fc3f1b766045cda24ffac817ea36a973240ce8cdb4509b6bd140eb
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Filesize
522KB
MD53a590a13bc93ac78ba3dc3a81bd0a2ed
SHA1285761d748da9dbc7aa137afceb1520200f1206e
SHA2561447fb711113dfe0ab9c3980a372d15490c41f0baa8a0533b894e7cd59de309d
SHA512c23751108cf622160dd93b29d7ce3905bdaca4eaa58e9b0c6bc816f19b4d84d6f6b84bbc43fc3f1b766045cda24ffac817ea36a973240ce8cdb4509b6bd140eb
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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