Analysis
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max time kernel
61s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
27-03-2023 21:47
Static task
static1
Behavioral task
behavioral1
Sample
534acef50ccd536579cb27f4a2ff9970498ec293829e5826f9ce2a183ae87e41.exe
Resource
win10v2004-20230221-en
General
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Target
534acef50ccd536579cb27f4a2ff9970498ec293829e5826f9ce2a183ae87e41.exe
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Size
700KB
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MD5
dce700c6a535804f84114ddc561acf26
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SHA1
191d8567a6ad02eae2de6b37944d85f8d211cf9d
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SHA256
534acef50ccd536579cb27f4a2ff9970498ec293829e5826f9ce2a183ae87e41
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SHA512
3d2a023fbcddb643462ff1a06f07bc122db57cc9e85c857583bbb613bccbd8a9311ea527325bc76a3365e3f8c13cfa00d2c1a8bc590164f6b3c4cd9a8e5798e9
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SSDEEP
12288:rMrby90LBql3YZ2yKylH9D78cAl8FgL06TmroTAXBR9cdVNeqCUM:gyuv20gl8WL0ymnXBiFCUM
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 pro8405.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro8405.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro8405.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro8405.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro8405.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro8405.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/5012-190-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-191-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-193-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-195-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-197-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-199-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-201-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-203-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-205-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-207-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-209-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-211-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-213-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-215-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-217-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-219-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-221-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline behavioral1/memory/5012-223-0x00000000052F0000-0x000000000532F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1948 un886636.exe 5008 pro8405.exe 5012 qu1646.exe 2028 si131686.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 pro8405.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro8405.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 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\\\"" 534acef50ccd536579cb27f4a2ff9970498ec293829e5826f9ce2a183ae87e41.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un886636.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\\\"" un886636.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 534acef50ccd536579cb27f4a2ff9970498ec293829e5826f9ce2a183ae87e41.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 3492 5008 WerFault.exe 83 2672 5012 WerFault.exe 89 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 5008 pro8405.exe 5008 pro8405.exe 5012 qu1646.exe 5012 qu1646.exe 2028 si131686.exe 2028 si131686.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5008 pro8405.exe Token: SeDebugPrivilege 5012 qu1646.exe Token: SeDebugPrivilege 2028 si131686.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1188 wrote to memory of 1948 1188 534acef50ccd536579cb27f4a2ff9970498ec293829e5826f9ce2a183ae87e41.exe 82 PID 1188 wrote to memory of 1948 1188 534acef50ccd536579cb27f4a2ff9970498ec293829e5826f9ce2a183ae87e41.exe 82 PID 1188 wrote to memory of 1948 1188 534acef50ccd536579cb27f4a2ff9970498ec293829e5826f9ce2a183ae87e41.exe 82 PID 1948 wrote to memory of 5008 1948 un886636.exe 83 PID 1948 wrote to memory of 5008 1948 un886636.exe 83 PID 1948 wrote to memory of 5008 1948 un886636.exe 83 PID 1948 wrote to memory of 5012 1948 un886636.exe 89 PID 1948 wrote to memory of 5012 1948 un886636.exe 89 PID 1948 wrote to memory of 5012 1948 un886636.exe 89 PID 1188 wrote to memory of 2028 1188 534acef50ccd536579cb27f4a2ff9970498ec293829e5826f9ce2a183ae87e41.exe 93 PID 1188 wrote to memory of 2028 1188 534acef50ccd536579cb27f4a2ff9970498ec293829e5826f9ce2a183ae87e41.exe 93 PID 1188 wrote to memory of 2028 1188 534acef50ccd536579cb27f4a2ff9970498ec293829e5826f9ce2a183ae87e41.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\534acef50ccd536579cb27f4a2ff9970498ec293829e5826f9ce2a183ae87e41.exe"C:\Users\Admin\AppData\Local\Temp\534acef50ccd536579cb27f4a2ff9970498ec293829e5826f9ce2a183ae87e41.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1188 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un886636.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un886636.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro8405.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro8405.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5008 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5008 -s 10804⤵
- Program crash
PID:3492
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1646.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1646.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5012 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 15804⤵
- Program crash
PID:2672
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si131686.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si131686.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2028
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5008 -ip 50081⤵PID:2960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 5012 -ip 50121⤵PID:4032
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD59194d9cf141f30909eb42683f839e6ad
SHA11461c790b78ca2c9e932486a44c2e36d00e3a4fd
SHA2568a9341844e4918397b6870757ab118555308a35d891b95b9231886ee4655354e
SHA5120d3295fe45996f3c7e7468435d31d1ec2800191b9c05e5d6eb85a4fae10b9f7890b5b5a5fcc778fe25007ff81e8fa47918710a6570e062bd02d6b3f584825246
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Filesize
175KB
MD59194d9cf141f30909eb42683f839e6ad
SHA11461c790b78ca2c9e932486a44c2e36d00e3a4fd
SHA2568a9341844e4918397b6870757ab118555308a35d891b95b9231886ee4655354e
SHA5120d3295fe45996f3c7e7468435d31d1ec2800191b9c05e5d6eb85a4fae10b9f7890b5b5a5fcc778fe25007ff81e8fa47918710a6570e062bd02d6b3f584825246
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Filesize
558KB
MD5488537b4673315f390791e1d4a770d9f
SHA10b28365e0aa111cfa03aa13203b28194051b8ebd
SHA2562eb364a09be9e7d6fec349f2a92d99645abd385b4adc436923247e8865886ad4
SHA5126a87468823898c75f0ea7fe6c8fa547487ee5bb5b3e2506b1eaae6e9ace5f4e9cb64af55df1d3591e0e6ac079a9f1d99e9677aac3b0607d6261077809fcf479c
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Filesize
558KB
MD5488537b4673315f390791e1d4a770d9f
SHA10b28365e0aa111cfa03aa13203b28194051b8ebd
SHA2562eb364a09be9e7d6fec349f2a92d99645abd385b4adc436923247e8865886ad4
SHA5126a87468823898c75f0ea7fe6c8fa547487ee5bb5b3e2506b1eaae6e9ace5f4e9cb64af55df1d3591e0e6ac079a9f1d99e9677aac3b0607d6261077809fcf479c
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Filesize
307KB
MD5b98dd962663175b218aac6ba964dad8d
SHA107daa640b355b6ce3bb139e963a54d18256f0eaa
SHA256443528978d4ae6fba43f48ff980aebc3832a3b65ad78b1d13a1add55c4baa4c2
SHA5125fcfe49d9fcc7f03d4b5e6f8b7a2ab8cdcb9352074204ad7511a8b6bc13ae22d499f4565128e1a38ec280d7c1eb04dec16016a3409888f8e10efdf462bb3410a
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Filesize
307KB
MD5b98dd962663175b218aac6ba964dad8d
SHA107daa640b355b6ce3bb139e963a54d18256f0eaa
SHA256443528978d4ae6fba43f48ff980aebc3832a3b65ad78b1d13a1add55c4baa4c2
SHA5125fcfe49d9fcc7f03d4b5e6f8b7a2ab8cdcb9352074204ad7511a8b6bc13ae22d499f4565128e1a38ec280d7c1eb04dec16016a3409888f8e10efdf462bb3410a
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Filesize
365KB
MD583619e475a8240ad5cab1b85d95a8e51
SHA163379d799ea47f60610b3498e60338e2965ae4e8
SHA256e35b700f4e8b7b75ea74d8b28beacb525e49d7382166f04c5aba710424e8ba86
SHA5122f01391677ec7b59301d644b520ad58923fc72b4536dfddc464b8b1328d86cef7fc3ba4947fa2f53d0253ebea41d799ecbe83a0b878a28678ce0df5bc59cd9bd
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Filesize
365KB
MD583619e475a8240ad5cab1b85d95a8e51
SHA163379d799ea47f60610b3498e60338e2965ae4e8
SHA256e35b700f4e8b7b75ea74d8b28beacb525e49d7382166f04c5aba710424e8ba86
SHA5122f01391677ec7b59301d644b520ad58923fc72b4536dfddc464b8b1328d86cef7fc3ba4947fa2f53d0253ebea41d799ecbe83a0b878a28678ce0df5bc59cd9bd