Analysis
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max time kernel
54s -
max time network
146s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
03/03/2023, 07:37
Static task
static1
Behavioral task
behavioral1
Sample
74bf4248cf2d017b8e3f866b89dbc8211353c9e3b2aae4343067447375b946a3.exe
Resource
win10-20230220-en
General
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Target
74bf4248cf2d017b8e3f866b89dbc8211353c9e3b2aae4343067447375b946a3.exe
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Size
666KB
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MD5
28ed2ff357205040e4b7fcb1398416cf
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SHA1
fe89f8bddde2342e368cffd1b9a965a2202eff0e
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SHA256
74bf4248cf2d017b8e3f866b89dbc8211353c9e3b2aae4343067447375b946a3
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SHA512
b1e3aef130efc64d237fd6eb43041a159c5c7674af972a81294b3320590f813a6176e8f115a3309173987ce094791407f3486df900f3149e865e14f49a134804
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SSDEEP
12288:RMroy908EADgNMSGso4XdGG5k4SoPrmR3X6NzP/B374PISYd1:5yNgXvdGG5ZPK3wbB374q
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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" urnL72VZ44.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" urnL72VZ44.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" urnL72VZ44.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" urnL72VZ44.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" urnL72VZ44.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 20 IoCs
resource yara_rule behavioral1/memory/3616-177-0x0000000002420000-0x0000000002466000-memory.dmp family_redline behavioral1/memory/3616-178-0x00000000024A0000-0x00000000024E4000-memory.dmp family_redline behavioral1/memory/3616-179-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-180-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-184-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-182-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-186-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-188-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-190-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-194-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-197-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-200-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-202-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-204-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-206-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-208-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-210-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-212-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-214-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline behavioral1/memory/3616-216-0x00000000024A0000-0x00000000024DE000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 4236 ycaJ51TN32.exe 3920 urnL72VZ44.exe 3616 wrHt18sj86.exe 4536 xuPQ23ve95.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 urnL72VZ44.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" urnL72VZ44.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 74bf4248cf2d017b8e3f866b89dbc8211353c9e3b2aae4343067447375b946a3.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\\\"" 74bf4248cf2d017b8e3f866b89dbc8211353c9e3b2aae4343067447375b946a3.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce ycaJ51TN32.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\\\"" ycaJ51TN32.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 3920 urnL72VZ44.exe 3920 urnL72VZ44.exe 3616 wrHt18sj86.exe 3616 wrHt18sj86.exe 4536 xuPQ23ve95.exe 4536 xuPQ23ve95.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3920 urnL72VZ44.exe Token: SeDebugPrivilege 3616 wrHt18sj86.exe Token: SeDebugPrivilege 4536 xuPQ23ve95.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4240 wrote to memory of 4236 4240 74bf4248cf2d017b8e3f866b89dbc8211353c9e3b2aae4343067447375b946a3.exe 66 PID 4240 wrote to memory of 4236 4240 74bf4248cf2d017b8e3f866b89dbc8211353c9e3b2aae4343067447375b946a3.exe 66 PID 4240 wrote to memory of 4236 4240 74bf4248cf2d017b8e3f866b89dbc8211353c9e3b2aae4343067447375b946a3.exe 66 PID 4236 wrote to memory of 3920 4236 ycaJ51TN32.exe 67 PID 4236 wrote to memory of 3920 4236 ycaJ51TN32.exe 67 PID 4236 wrote to memory of 3920 4236 ycaJ51TN32.exe 67 PID 4236 wrote to memory of 3616 4236 ycaJ51TN32.exe 68 PID 4236 wrote to memory of 3616 4236 ycaJ51TN32.exe 68 PID 4236 wrote to memory of 3616 4236 ycaJ51TN32.exe 68 PID 4240 wrote to memory of 4536 4240 74bf4248cf2d017b8e3f866b89dbc8211353c9e3b2aae4343067447375b946a3.exe 70 PID 4240 wrote to memory of 4536 4240 74bf4248cf2d017b8e3f866b89dbc8211353c9e3b2aae4343067447375b946a3.exe 70 PID 4240 wrote to memory of 4536 4240 74bf4248cf2d017b8e3f866b89dbc8211353c9e3b2aae4343067447375b946a3.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\74bf4248cf2d017b8e3f866b89dbc8211353c9e3b2aae4343067447375b946a3.exe"C:\Users\Admin\AppData\Local\Temp\74bf4248cf2d017b8e3f866b89dbc8211353c9e3b2aae4343067447375b946a3.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4240 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycaJ51TN32.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycaJ51TN32.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4236 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urnL72VZ44.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urnL72VZ44.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3920
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrHt18sj86.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrHt18sj86.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3616
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuPQ23ve95.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuPQ23ve95.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4536
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD500135fecba1a0572a095fcecc3dfd2e3
SHA160b8b1d91c64b3d86188d1ad7acd21fd02120ae7
SHA256e452a05be145521e06763eed8c1b539cc5b2fbe142cdbc9d9f1e8c60206084a4
SHA5128ec27d1289ceaee4c631cab06ba30b717acd3b12ee2aaf7f0a2760e752668499865d7bf891bf87b37aaa87261aa58edb3e0f9d23f2c47099f2ca23630eb779ba
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Filesize
175KB
MD500135fecba1a0572a095fcecc3dfd2e3
SHA160b8b1d91c64b3d86188d1ad7acd21fd02120ae7
SHA256e452a05be145521e06763eed8c1b539cc5b2fbe142cdbc9d9f1e8c60206084a4
SHA5128ec27d1289ceaee4c631cab06ba30b717acd3b12ee2aaf7f0a2760e752668499865d7bf891bf87b37aaa87261aa58edb3e0f9d23f2c47099f2ca23630eb779ba
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Filesize
522KB
MD5aa4353bd8466dcf47fb9bc7ac4e03b2f
SHA1902588f4242528fafea22c4b8bb76a4e2e45254f
SHA25669bfc4001329b56ab10634ee694a33878f38cf2ad99df05dd327468c748a3ad7
SHA5126fb4bef46868aa4412641e38f637cad8bad08b3f3411f5987f33d93511383513128f02d02bc0ff0a06535f5e95cc643d926c70e731beb0b8366db42de3f8dfab
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Filesize
522KB
MD5aa4353bd8466dcf47fb9bc7ac4e03b2f
SHA1902588f4242528fafea22c4b8bb76a4e2e45254f
SHA25669bfc4001329b56ab10634ee694a33878f38cf2ad99df05dd327468c748a3ad7
SHA5126fb4bef46868aa4412641e38f637cad8bad08b3f3411f5987f33d93511383513128f02d02bc0ff0a06535f5e95cc643d926c70e731beb0b8366db42de3f8dfab
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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