Analysis
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max time kernel
54s -
max time network
147s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
14/02/2023, 14:04
Static task
static1
Behavioral task
behavioral1
Sample
597ecd3175523d6f845ce0c95b627162a6b4aa25628b904f374f73e6cb2eef8c.exe
Resource
win10-20220812-en
General
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Target
597ecd3175523d6f845ce0c95b627162a6b4aa25628b904f374f73e6cb2eef8c.exe
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Size
529KB
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MD5
387ddc848df38a5780704b6d9aec707e
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SHA1
ba2e9adb255f5725cf40cbb0318c140d4e84254d
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SHA256
597ecd3175523d6f845ce0c95b627162a6b4aa25628b904f374f73e6cb2eef8c
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SHA512
b668906a91537a45da597a001a6608941314924d672369bdc6532cca690bcd835f96978e81b9a41c9047a78b7b3c2a20c6fad972ca9df8b426607e58eb304c97
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SSDEEP
12288:2MrCy90cL8+W+2n+7NcP2dBL3y7dJnPzMsCnp4IqtI:gyx8v+TL3y7r2pEI
Malware Config
Extracted
redline
ruma
193.233.20.13:4136
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auth_value
647d00dfaba082a4a30f383bca5d1a2a
Extracted
redline
dubka
193.233.20.13:4136
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auth_value
e5a9421183a033f283b2f23139b471f0
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" syl31.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" syl31.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" syl31.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" syl31.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" syl31.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 2 IoCs
resource yara_rule behavioral1/memory/2996-274-0x0000000002650000-0x0000000002696000-memory.dmp family_redline behavioral1/memory/2996-280-0x00000000028F0000-0x0000000002934000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 2112 vFX47.exe 2996 dNs03.exe 2260 nmL73Qw.exe 1016 syl31.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" syl31.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 vFX47.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\\\"" vFX47.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 597ecd3175523d6f845ce0c95b627162a6b4aa25628b904f374f73e6cb2eef8c.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\\\"" 597ecd3175523d6f845ce0c95b627162a6b4aa25628b904f374f73e6cb2eef8c.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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Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2996 dNs03.exe 2996 dNs03.exe 2260 nmL73Qw.exe 2260 nmL73Qw.exe 1016 syl31.exe 1016 syl31.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2996 dNs03.exe Token: SeDebugPrivilege 2260 nmL73Qw.exe Token: SeDebugPrivilege 1016 syl31.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2696 wrote to memory of 2112 2696 597ecd3175523d6f845ce0c95b627162a6b4aa25628b904f374f73e6cb2eef8c.exe 67 PID 2696 wrote to memory of 2112 2696 597ecd3175523d6f845ce0c95b627162a6b4aa25628b904f374f73e6cb2eef8c.exe 67 PID 2696 wrote to memory of 2112 2696 597ecd3175523d6f845ce0c95b627162a6b4aa25628b904f374f73e6cb2eef8c.exe 67 PID 2112 wrote to memory of 2996 2112 vFX47.exe 68 PID 2112 wrote to memory of 2996 2112 vFX47.exe 68 PID 2112 wrote to memory of 2996 2112 vFX47.exe 68 PID 2112 wrote to memory of 2260 2112 vFX47.exe 70 PID 2112 wrote to memory of 2260 2112 vFX47.exe 70 PID 2112 wrote to memory of 2260 2112 vFX47.exe 70 PID 2696 wrote to memory of 1016 2696 597ecd3175523d6f845ce0c95b627162a6b4aa25628b904f374f73e6cb2eef8c.exe 71 PID 2696 wrote to memory of 1016 2696 597ecd3175523d6f845ce0c95b627162a6b4aa25628b904f374f73e6cb2eef8c.exe 71
Processes
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C:\Users\Admin\AppData\Local\Temp\597ecd3175523d6f845ce0c95b627162a6b4aa25628b904f374f73e6cb2eef8c.exe"C:\Users\Admin\AppData\Local\Temp\597ecd3175523d6f845ce0c95b627162a6b4aa25628b904f374f73e6cb2eef8c.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2696 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vFX47.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vFX47.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dNs03.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dNs03.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2996
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nmL73Qw.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\nmL73Qw.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2260
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\syl31.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\syl31.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1016
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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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
425KB
MD5250d214a51b3ac0ad25c1d2c9ab89177
SHA177a0db5a0a6bb63b9736afd7e47fd05efdbfcd57
SHA25658f9591b86951a0f7419aa4826500b4777e6a4d3315a18d19f831d37ba92d489
SHA512937d19e0a11da948b8e50c43392e2085daf60b74a865fde9a4abbaa0587c479eeb6026e3bcee52d227aa4c47f22c4388f1e417152af1f8e3b6dbb6ba8583b78f
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Filesize
425KB
MD5250d214a51b3ac0ad25c1d2c9ab89177
SHA177a0db5a0a6bb63b9736afd7e47fd05efdbfcd57
SHA25658f9591b86951a0f7419aa4826500b4777e6a4d3315a18d19f831d37ba92d489
SHA512937d19e0a11da948b8e50c43392e2085daf60b74a865fde9a4abbaa0587c479eeb6026e3bcee52d227aa4c47f22c4388f1e417152af1f8e3b6dbb6ba8583b78f
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Filesize
278KB
MD5d8748bd07e7f282b21f60af22dbfe21e
SHA1bb9a02188daf9b7a1452f7416a424593fd7a0eea
SHA2566f1b87fa9b8038c2a9be20951850d9228d161864c62ddd613f02ea6b3125e041
SHA512c72d2b335ccde3f43fcbe048bcedb75b5aea9993124f6b1a6489ff16c9f42d4d16b94f6566e4e3d29eee61c7bd4910006d84ef0858c1a5785b18125bd60f2065
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Filesize
278KB
MD5d8748bd07e7f282b21f60af22dbfe21e
SHA1bb9a02188daf9b7a1452f7416a424593fd7a0eea
SHA2566f1b87fa9b8038c2a9be20951850d9228d161864c62ddd613f02ea6b3125e041
SHA512c72d2b335ccde3f43fcbe048bcedb75b5aea9993124f6b1a6489ff16c9f42d4d16b94f6566e4e3d29eee61c7bd4910006d84ef0858c1a5785b18125bd60f2065
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Filesize
175KB
MD5dd0c9e110c68ce1fa5308979ef718f7b
SHA1473deb8069f0841d47b74b7f414dacc6f96eca78
SHA256dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3
SHA51229bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236
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Filesize
175KB
MD5dd0c9e110c68ce1fa5308979ef718f7b
SHA1473deb8069f0841d47b74b7f414dacc6f96eca78
SHA256dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3
SHA51229bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236