Analysis
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max time kernel
148s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2023, 07:08
Static task
static1
Behavioral task
behavioral1
Sample
f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142.exe
Resource
win10v2004-20230220-en
General
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Target
f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142.exe
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Size
386KB
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MD5
0da3da67726e6f713d8338349b3a0edf
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SHA1
df71ee9b86ac07746bf036c59839382695b070e0
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SHA256
f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142
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SHA512
f26c14b92a7a04ffc8d5706e2c353393e74971375f6de90ba0c6f956165f6eee3dadc9028dade3da3926476505003c0918d24bc7b8de581b65bc1cf3b08f2f37
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SSDEEP
6144:K/y+bnr+cp0yN90QEMAMqbmSVnSlq49gs4e5lCJyY8WvLBEyvQZOQJIkVnM:BMrIy90tbmRqqn4euJyY8MFEUQjZi
Malware Config
Extracted
redline
fud
193.233.20.27:4123
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auth_value
cddc991efd6918ad5321d80dac884b40
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection s3449cM.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" s3449cM.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" s3449cM.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" s3449cM.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" s3449cM.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" s3449cM.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 33 IoCs
resource yara_rule behavioral1/memory/1856-151-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-152-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-154-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-156-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-158-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-160-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-162-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-164-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-166-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-168-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-170-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-172-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-174-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-176-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-178-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-180-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-182-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-184-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-186-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-188-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-190-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-192-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-194-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-196-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-198-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-200-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-202-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-204-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-206-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-210-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-212-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-208-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline behavioral1/memory/1856-214-0x0000000004B50000-0x0000000004B8E000-memory.dmp family_redline -
Executes dropped EXE 2 IoCs
pid Process 4756 s3449cM.exe 1856 t48WH30.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" s3449cM.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 2 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\\\"" f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142.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 1 IoCs
pid pid_target Process procid_target 1528 1856 WerFault.exe 83 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4756 s3449cM.exe 4756 s3449cM.exe 1856 t48WH30.exe 1856 t48WH30.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4756 s3449cM.exe Token: SeDebugPrivilege 1856 t48WH30.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3236 wrote to memory of 4756 3236 f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142.exe 80 PID 3236 wrote to memory of 4756 3236 f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142.exe 80 PID 3236 wrote to memory of 1856 3236 f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142.exe 83 PID 3236 wrote to memory of 1856 3236 f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142.exe 83 PID 3236 wrote to memory of 1856 3236 f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142.exe"C:\Users\Admin\AppData\Local\Temp\f8d09ac9f74ec6215d217f135ec252b6fa40f9428894913800aa0f7bbe50c142.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3236 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3449cM.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3449cM.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4756
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t48WH30.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t48WH30.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1856 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1856 -s 16403⤵
- Program crash
PID:1528
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1856 -ip 18561⤵PID:3440
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
301KB
MD519a7d8ff4aaaff6d27d40f63bfda81d9
SHA1d837291fe27c85a7447d4ac7aa3b48ed992ee0bc
SHA256524c1d04272ff34e45a9335f4d365735bbaa8727f3d6c988a825f50809f92053
SHA512ba40e91396eb80ce1ec70361db93a42ee63f0c05c23ae0edeb180272a44bd46ea900da19074e0e118fec5e70ce58ae0e34b95964f4633c75591fe4e62ccfbcf4
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Filesize
301KB
MD519a7d8ff4aaaff6d27d40f63bfda81d9
SHA1d837291fe27c85a7447d4ac7aa3b48ed992ee0bc
SHA256524c1d04272ff34e45a9335f4d365735bbaa8727f3d6c988a825f50809f92053
SHA512ba40e91396eb80ce1ec70361db93a42ee63f0c05c23ae0edeb180272a44bd46ea900da19074e0e118fec5e70ce58ae0e34b95964f4633c75591fe4e62ccfbcf4