Analysis
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max time kernel
73s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
28/03/2023, 15:09
Static task
static1
Behavioral task
behavioral1
Sample
f1da1655a2886b1d1330fb96350d6c53c63f28e37b3cd70e08885a72985f788c.exe
Resource
win10v2004-20230220-en
General
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Target
f1da1655a2886b1d1330fb96350d6c53c63f28e37b3cd70e08885a72985f788c.exe
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Size
695KB
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MD5
bc35a340d6a916e28ddb013c31c51e6b
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SHA1
a3ae75e28dd80a4ae8fe92a7f4b4020021a0757e
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SHA256
f1da1655a2886b1d1330fb96350d6c53c63f28e37b3cd70e08885a72985f788c
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SHA512
6a27568f82a95d0d8830593faf599cb865c872e51d5f8fa253117642363d2010c01e3c694c7d4a5d1c99f5a15bfb992ac8b477000e94a2b14d532c1afc1433cb
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SSDEEP
12288:xMrPy90LOLTjXC2UyxMMi3haDzxJy9hsW+BBH5AVXA9ZBIUFABoycgg:CyhEMMMi3hOlQXpGHiq9//icV
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Extracted
redline
muse
176.113.115.145:4125
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auth_value
b91988a63a24940038d9262827a5320c
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro6175.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro6175.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro6175.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro6175.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro6175.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro6175.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/4596-194-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-197-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-195-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-199-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-201-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-203-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-205-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-207-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-209-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-211-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-213-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-215-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-217-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-219-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-221-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-223-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-225-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/4596-227-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 2648 un438191.exe 548 pro6175.exe 4596 qu5016.exe 1552 si251967.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 pro6175.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro6175.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 f1da1655a2886b1d1330fb96350d6c53c63f28e37b3cd70e08885a72985f788c.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\\\"" f1da1655a2886b1d1330fb96350d6c53c63f28e37b3cd70e08885a72985f788c.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un438191.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\\\"" un438191.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 3308 548 WerFault.exe 84 4764 4596 WerFault.exe 91 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 548 pro6175.exe 548 pro6175.exe 4596 qu5016.exe 4596 qu5016.exe 1552 si251967.exe 1552 si251967.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 548 pro6175.exe Token: SeDebugPrivilege 4596 qu5016.exe Token: SeDebugPrivilege 1552 si251967.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2328 wrote to memory of 2648 2328 f1da1655a2886b1d1330fb96350d6c53c63f28e37b3cd70e08885a72985f788c.exe 83 PID 2328 wrote to memory of 2648 2328 f1da1655a2886b1d1330fb96350d6c53c63f28e37b3cd70e08885a72985f788c.exe 83 PID 2328 wrote to memory of 2648 2328 f1da1655a2886b1d1330fb96350d6c53c63f28e37b3cd70e08885a72985f788c.exe 83 PID 2648 wrote to memory of 548 2648 un438191.exe 84 PID 2648 wrote to memory of 548 2648 un438191.exe 84 PID 2648 wrote to memory of 548 2648 un438191.exe 84 PID 2648 wrote to memory of 4596 2648 un438191.exe 91 PID 2648 wrote to memory of 4596 2648 un438191.exe 91 PID 2648 wrote to memory of 4596 2648 un438191.exe 91 PID 2328 wrote to memory of 1552 2328 f1da1655a2886b1d1330fb96350d6c53c63f28e37b3cd70e08885a72985f788c.exe 95 PID 2328 wrote to memory of 1552 2328 f1da1655a2886b1d1330fb96350d6c53c63f28e37b3cd70e08885a72985f788c.exe 95 PID 2328 wrote to memory of 1552 2328 f1da1655a2886b1d1330fb96350d6c53c63f28e37b3cd70e08885a72985f788c.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\f1da1655a2886b1d1330fb96350d6c53c63f28e37b3cd70e08885a72985f788c.exe"C:\Users\Admin\AppData\Local\Temp\f1da1655a2886b1d1330fb96350d6c53c63f28e37b3cd70e08885a72985f788c.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un438191.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un438191.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6175.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6175.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:548 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 548 -s 10844⤵
- Program crash
PID:3308
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5016.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5016.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4596 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 13244⤵
- Program crash
PID:4764
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si251967.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si251967.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 548 -ip 5481⤵PID:1848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4596 -ip 45961⤵PID:2848
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
175KB
MD522e838e97a81bf011792ffd80c9fbb08
SHA13c62bde1bd39788c4d526f68d4a1af3663227d5d
SHA2569ee08de6279d4414133035d386c006f368df96ac5078486ea1e3695aee94ae2f
SHA5128c8d496e402d363814c8577ffb4c829f334752b0d3d63fb869992be084fa112e807d64e8081f2c776e7c8f6ea79d6d9fc3a6f7afe18355ab0cf3fa22de465e0f
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Filesize
175KB
MD522e838e97a81bf011792ffd80c9fbb08
SHA13c62bde1bd39788c4d526f68d4a1af3663227d5d
SHA2569ee08de6279d4414133035d386c006f368df96ac5078486ea1e3695aee94ae2f
SHA5128c8d496e402d363814c8577ffb4c829f334752b0d3d63fb869992be084fa112e807d64e8081f2c776e7c8f6ea79d6d9fc3a6f7afe18355ab0cf3fa22de465e0f
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Filesize
553KB
MD57951d87aa00584288d6a9ac42c142574
SHA13e0f53fede970197a40c944a4080c2e55029ff35
SHA2562bdeecb7ad740ebab830ab6478d825ac847eb914d18baa7f0cf3ce9fbd1d8edc
SHA512823fe50a61a766d2b5e300f14878a007286125da3f90f0e01ef81627ff687d6209c00ece1be23e97bc5be597ceb515cf2e920a32eeec1bc1ad1c481e8c0017a3
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Filesize
553KB
MD57951d87aa00584288d6a9ac42c142574
SHA13e0f53fede970197a40c944a4080c2e55029ff35
SHA2562bdeecb7ad740ebab830ab6478d825ac847eb914d18baa7f0cf3ce9fbd1d8edc
SHA512823fe50a61a766d2b5e300f14878a007286125da3f90f0e01ef81627ff687d6209c00ece1be23e97bc5be597ceb515cf2e920a32eeec1bc1ad1c481e8c0017a3
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Filesize
347KB
MD56ba1201f96924ee093b9322107cb3cb7
SHA13fc708ce81ba28467c9d3a8e91c6bcd7afe47299
SHA256995804546d6b126eda7986ff8ecd6851a2da2049fb19bafec0ff6b188ab8bf46
SHA5123a224be9d37e64166fbba2fc764301eca91dc979068717ca0e7cadaa340d9d19b71e0abde7cb83f862ca578d38d7f2810b901be178ecc7efa4ac728916ac9bc6
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Filesize
347KB
MD56ba1201f96924ee093b9322107cb3cb7
SHA13fc708ce81ba28467c9d3a8e91c6bcd7afe47299
SHA256995804546d6b126eda7986ff8ecd6851a2da2049fb19bafec0ff6b188ab8bf46
SHA5123a224be9d37e64166fbba2fc764301eca91dc979068717ca0e7cadaa340d9d19b71e0abde7cb83f862ca578d38d7f2810b901be178ecc7efa4ac728916ac9bc6
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Filesize
405KB
MD52c7c7d6da6e0fc64d965181f43ddf9e3
SHA1efe51a913d65e097f54df7982ac7edb9ffbda65d
SHA25660405938581e48c8d681bdd68f30971460e7a4155ac17653a36fd9934ebf9c4f
SHA5121161a9010ef83f30e70ef0cfdbf0232822b6fa283c8bbf37dc3f2652441a64d4bcb33443839f43f5e4f24ff4228b827876ebf9c23a45c78d8f0effcac852439c
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Filesize
405KB
MD52c7c7d6da6e0fc64d965181f43ddf9e3
SHA1efe51a913d65e097f54df7982ac7edb9ffbda65d
SHA25660405938581e48c8d681bdd68f30971460e7a4155ac17653a36fd9934ebf9c4f
SHA5121161a9010ef83f30e70ef0cfdbf0232822b6fa283c8bbf37dc3f2652441a64d4bcb33443839f43f5e4f24ff4228b827876ebf9c23a45c78d8f0effcac852439c