Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
27-03-2023 22:06
Static task
static1
Behavioral task
behavioral1
Sample
2f1f5c6e729a4d031db4f25200333405cf2c6f81ec7551dc513a0e2345ea3441.exe
Resource
win10v2004-20230220-en
General
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Target
2f1f5c6e729a4d031db4f25200333405cf2c6f81ec7551dc513a0e2345ea3441.exe
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Size
700KB
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MD5
379a1925cf03170957f93851f661e7fb
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SHA1
b562198acfe46bc6c96a476636efde0b9e7fefd1
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SHA256
2f1f5c6e729a4d031db4f25200333405cf2c6f81ec7551dc513a0e2345ea3441
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SHA512
7f1e03bf42769835c04b56da4be5aa609d54532a5e56891d97487091eb25c916480c6a045bdcfdfdd3ad74a5793c1542b2f2bfdcb514c541c965ae0a978d0923
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SSDEEP
12288:kMrzy90t9hcq3h+qpOqgQ49D58cA0OilE8eNf1so9dyO638dYft:vygt+WOqgQNbiu8e9uo3/638d0
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Extracted
redline
from
176.113.115.145:4125
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auth_value
8633e283485822a4a48f0a41d5397566
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro3584.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro3584.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro3584.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro3584.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro3584.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro3584.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/3864-192-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-191-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-194-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-196-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-198-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-202-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-206-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-208-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-210-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-212-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-214-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-216-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-218-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-220-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-222-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-224-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-226-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-228-0x0000000004BC0000-0x0000000004BFF000-memory.dmp family_redline behavioral1/memory/3864-1111-0x0000000004C70000-0x0000000004C80000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 4916 un499039.exe 536 pro3584.exe 3864 qu4042.exe 3748 si060986.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 pro3584.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro3584.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 2f1f5c6e729a4d031db4f25200333405cf2c6f81ec7551dc513a0e2345ea3441.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\\\"" 2f1f5c6e729a4d031db4f25200333405cf2c6f81ec7551dc513a0e2345ea3441.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un499039.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\\\"" un499039.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 1816 536 WerFault.exe 86 636 3864 WerFault.exe 96 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 536 pro3584.exe 536 pro3584.exe 3864 qu4042.exe 3864 qu4042.exe 3748 si060986.exe 3748 si060986.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 536 pro3584.exe Token: SeDebugPrivilege 3864 qu4042.exe Token: SeDebugPrivilege 3748 si060986.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 5060 wrote to memory of 4916 5060 2f1f5c6e729a4d031db4f25200333405cf2c6f81ec7551dc513a0e2345ea3441.exe 85 PID 5060 wrote to memory of 4916 5060 2f1f5c6e729a4d031db4f25200333405cf2c6f81ec7551dc513a0e2345ea3441.exe 85 PID 5060 wrote to memory of 4916 5060 2f1f5c6e729a4d031db4f25200333405cf2c6f81ec7551dc513a0e2345ea3441.exe 85 PID 4916 wrote to memory of 536 4916 un499039.exe 86 PID 4916 wrote to memory of 536 4916 un499039.exe 86 PID 4916 wrote to memory of 536 4916 un499039.exe 86 PID 4916 wrote to memory of 3864 4916 un499039.exe 96 PID 4916 wrote to memory of 3864 4916 un499039.exe 96 PID 4916 wrote to memory of 3864 4916 un499039.exe 96 PID 5060 wrote to memory of 3748 5060 2f1f5c6e729a4d031db4f25200333405cf2c6f81ec7551dc513a0e2345ea3441.exe 101 PID 5060 wrote to memory of 3748 5060 2f1f5c6e729a4d031db4f25200333405cf2c6f81ec7551dc513a0e2345ea3441.exe 101 PID 5060 wrote to memory of 3748 5060 2f1f5c6e729a4d031db4f25200333405cf2c6f81ec7551dc513a0e2345ea3441.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\2f1f5c6e729a4d031db4f25200333405cf2c6f81ec7551dc513a0e2345ea3441.exe"C:\Users\Admin\AppData\Local\Temp\2f1f5c6e729a4d031db4f25200333405cf2c6f81ec7551dc513a0e2345ea3441.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un499039.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un499039.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4916 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3584.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3584.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:536 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 10804⤵
- Program crash
PID:1816
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4042.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4042.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 15804⤵
- Program crash
PID:636
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si060986.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si060986.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 536 -ip 5361⤵PID:3908
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3864 -ip 38641⤵PID:3500
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
175KB
MD54f7a8cbba41a9fdb103754ce658168b4
SHA1dc61cc1f51947e1510db02db8f196f4b06ae28e4
SHA256d0da543263573546c0c93d3db0e64174cd0cffaaaf765d83e7d9519f1565ae54
SHA512521cd40ef1643d655005ccb717136d25310c08b21cca084e69d587b0dfe54f6218cb406dffed6e42832806fdd639c6d8b77872e8e80087259bcb8657a4cd37fb
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Filesize
175KB
MD54f7a8cbba41a9fdb103754ce658168b4
SHA1dc61cc1f51947e1510db02db8f196f4b06ae28e4
SHA256d0da543263573546c0c93d3db0e64174cd0cffaaaf765d83e7d9519f1565ae54
SHA512521cd40ef1643d655005ccb717136d25310c08b21cca084e69d587b0dfe54f6218cb406dffed6e42832806fdd639c6d8b77872e8e80087259bcb8657a4cd37fb
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Filesize
558KB
MD5c29494f19aafae89416e835549259543
SHA1eb96244e9b4a4da0ff6d2db9b2b0d06106397e5b
SHA256f80cc3304cac18f544a9886b84f86c61835578c302576a79b0f4d97c710fb0f9
SHA5120e45c3f9cc88ff7eed3b17d2a29b8070a1096c4b5cc341d375d16f03f7b79d398046e9390683bbb080af3ce9adc6aaa90a01c412b6efcabd2bcedaac8711cd52
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Filesize
558KB
MD5c29494f19aafae89416e835549259543
SHA1eb96244e9b4a4da0ff6d2db9b2b0d06106397e5b
SHA256f80cc3304cac18f544a9886b84f86c61835578c302576a79b0f4d97c710fb0f9
SHA5120e45c3f9cc88ff7eed3b17d2a29b8070a1096c4b5cc341d375d16f03f7b79d398046e9390683bbb080af3ce9adc6aaa90a01c412b6efcabd2bcedaac8711cd52
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Filesize
307KB
MD580ff0a7409196420601de4f6980d331b
SHA1ab3978b53b20503349d9d6ce765b8f032940b36f
SHA2560407842773b509665c305fef797204fe44b1f852efde2ecf95ccf7289964d702
SHA512a7a6981bdfdf5b9d862eb6b5977f9ebdd3e7c54c1b188c3cffcca9b521286d7a6457b4bb607ae3af01b4ffa57187f15d427fffe75a1dca37bba08829c03f8b1f
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Filesize
307KB
MD580ff0a7409196420601de4f6980d331b
SHA1ab3978b53b20503349d9d6ce765b8f032940b36f
SHA2560407842773b509665c305fef797204fe44b1f852efde2ecf95ccf7289964d702
SHA512a7a6981bdfdf5b9d862eb6b5977f9ebdd3e7c54c1b188c3cffcca9b521286d7a6457b4bb607ae3af01b4ffa57187f15d427fffe75a1dca37bba08829c03f8b1f
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Filesize
365KB
MD5214b685aa3cb90f2ca00679e552b8bef
SHA199202ebcfb1f802fd0482851e418fad962d6b674
SHA256783b266b57304d5d3774fe8f3f52482632354c9e5f73e7868e9b20a015b94e95
SHA5121fc43249e5eb19a90719fdddd85b698e75efbe821c8b836173f16e02d4eff164c9af22145854fdc5d8c03ab1ed160dfaf8605e0045185cf88d7a078f614e9edd
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Filesize
365KB
MD5214b685aa3cb90f2ca00679e552b8bef
SHA199202ebcfb1f802fd0482851e418fad962d6b674
SHA256783b266b57304d5d3774fe8f3f52482632354c9e5f73e7868e9b20a015b94e95
SHA5121fc43249e5eb19a90719fdddd85b698e75efbe821c8b836173f16e02d4eff164c9af22145854fdc5d8c03ab1ed160dfaf8605e0045185cf88d7a078f614e9edd