Analysis
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max time kernel
143s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2023, 13:38
Static task
static1
Behavioral task
behavioral1
Sample
4e49e6e529be010b31770ba07245b9a344d4c3a1930850d30170c66be3bb892f.exe
Resource
win10v2004-20230220-en
General
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Target
4e49e6e529be010b31770ba07245b9a344d4c3a1930850d30170c66be3bb892f.exe
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Size
720KB
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MD5
570b6fa5f5fff6d649fe6848e2de3ea9
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SHA1
f6780236f53c728a7b246952745380b50c531287
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SHA256
4e49e6e529be010b31770ba07245b9a344d4c3a1930850d30170c66be3bb892f
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SHA512
37f46c6b293fe74eb2477f3b4063420dcf1fb0cf048e3c7af6dba5af5ed297be1881854d3c943180f42e5bf03205fc23b8b60fdbbae269b44ad53d11b913b509
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SSDEEP
12288:HQOgkhaGZ6WVv8YbXfPJXjgYCws1k5EnUmrAB5viOAvthHI92v+sq4CSW/:HQ/GZLj50YLs1k5ae5vi7tt2kZJCl/
Malware Config
Extracted
redline
boris
193.233.20.32:4125
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auth_value
766b5bdf6dbefcf7ca223351952fc38f
Extracted
redline
firmu
193.233.20.32:4125
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auth_value
9f3e5e35e4a3a38fc36c5a851728aa33
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr580098.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr580098.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr580098.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr580098.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr580098.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr580098.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/4432-159-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-162-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-160-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-164-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-166-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-168-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-172-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-170-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-174-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-176-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-178-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-180-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-182-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-184-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-186-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-188-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-190-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-193-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-196-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-198-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-200-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-202-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-204-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-206-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-208-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-210-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-212-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-214-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-216-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-218-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-220-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-222-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/4432-1077-0x00000000072D0000-0x00000000072E0000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 2156 ziHX2692.exe 3312 jr580098.exe 4432 ku525293.exe 1860 lr698188.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" jr580098.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" ziHX2692.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 4e49e6e529be010b31770ba07245b9a344d4c3a1930850d30170c66be3bb892f.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\\\"" 4e49e6e529be010b31770ba07245b9a344d4c3a1930850d30170c66be3bb892f.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce ziHX2692.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 736 4432 WerFault.exe 92 1812 1688 WerFault.exe 84 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3312 jr580098.exe 3312 jr580098.exe 4432 ku525293.exe 4432 ku525293.exe 1860 lr698188.exe 1860 lr698188.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3312 jr580098.exe Token: SeDebugPrivilege 4432 ku525293.exe Token: SeDebugPrivilege 1860 lr698188.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1688 wrote to memory of 2156 1688 4e49e6e529be010b31770ba07245b9a344d4c3a1930850d30170c66be3bb892f.exe 85 PID 1688 wrote to memory of 2156 1688 4e49e6e529be010b31770ba07245b9a344d4c3a1930850d30170c66be3bb892f.exe 85 PID 1688 wrote to memory of 2156 1688 4e49e6e529be010b31770ba07245b9a344d4c3a1930850d30170c66be3bb892f.exe 85 PID 2156 wrote to memory of 3312 2156 ziHX2692.exe 86 PID 2156 wrote to memory of 3312 2156 ziHX2692.exe 86 PID 2156 wrote to memory of 4432 2156 ziHX2692.exe 92 PID 2156 wrote to memory of 4432 2156 ziHX2692.exe 92 PID 2156 wrote to memory of 4432 2156 ziHX2692.exe 92 PID 1688 wrote to memory of 1860 1688 4e49e6e529be010b31770ba07245b9a344d4c3a1930850d30170c66be3bb892f.exe 98 PID 1688 wrote to memory of 1860 1688 4e49e6e529be010b31770ba07245b9a344d4c3a1930850d30170c66be3bb892f.exe 98 PID 1688 wrote to memory of 1860 1688 4e49e6e529be010b31770ba07245b9a344d4c3a1930850d30170c66be3bb892f.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\4e49e6e529be010b31770ba07245b9a344d4c3a1930850d30170c66be3bb892f.exe"C:\Users\Admin\AppData\Local\Temp\4e49e6e529be010b31770ba07245b9a344d4c3a1930850d30170c66be3bb892f.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziHX2692.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziHX2692.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr580098.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr580098.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3312
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku525293.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku525293.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4432 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 19404⤵
- Program crash
PID:736
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr698188.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr698188.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1860
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 4842⤵
- Program crash
PID:1812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4432 -ip 44321⤵PID:1280
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1688 -ip 16881⤵PID:3184
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD56b780eb9c71d7b15142e05f33765678b
SHA11b853b28e715a7c7a8e4a39567e7b22697265741
SHA2562067ab13d0198979bf52e0b0e37bc9187cb178517620826424fc3c9f41c06d76
SHA512a149005b933b4a7739cf723ee1fec219e8eb2019fbe5300a807383aae83c46e60d0fcd8f3b1f5cb8d85556ade4567db91ecdaa4fdbbc87350d5cb7b1f4274314
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Filesize
175KB
MD56b780eb9c71d7b15142e05f33765678b
SHA11b853b28e715a7c7a8e4a39567e7b22697265741
SHA2562067ab13d0198979bf52e0b0e37bc9187cb178517620826424fc3c9f41c06d76
SHA512a149005b933b4a7739cf723ee1fec219e8eb2019fbe5300a807383aae83c46e60d0fcd8f3b1f5cb8d85556ade4567db91ecdaa4fdbbc87350d5cb7b1f4274314
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Filesize
411KB
MD58d91ec84f02718c369e9f9eaab51e1ce
SHA11b0018def4b3cdadce39384d6a2e79f56fe44053
SHA256819583e33839182609181cc48b1bafc0ebab7bbb484e87a91629952d7498939e
SHA512b2eccec0af45552760fe620416eb8020f456d70a08cdea3d0f3de18de0784a9593d78743af3c51b9e7783a1b8681caaa2f55d1b71d3cc935d5f60daa97cb2b7d
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Filesize
411KB
MD58d91ec84f02718c369e9f9eaab51e1ce
SHA11b0018def4b3cdadce39384d6a2e79f56fe44053
SHA256819583e33839182609181cc48b1bafc0ebab7bbb484e87a91629952d7498939e
SHA512b2eccec0af45552760fe620416eb8020f456d70a08cdea3d0f3de18de0784a9593d78743af3c51b9e7783a1b8681caaa2f55d1b71d3cc935d5f60daa97cb2b7d
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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
385KB
MD5caff184a81a985eaf2586bf5718a9034
SHA1f443603f67b615813370fbd5d936b73acd1f9bba
SHA256a29ac52c5442775c1131743f1a283bcf84da104673753887b64b2692b32c6ebb
SHA512f4eff40ac6c79739f0fe1edad8998e2577ec7c8a0b921b19f9a438dc435e38dad6d130b538a36c04ebe5dd9bd239e9da180484329c5732e5e1a19de71158e77d
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Filesize
385KB
MD5caff184a81a985eaf2586bf5718a9034
SHA1f443603f67b615813370fbd5d936b73acd1f9bba
SHA256a29ac52c5442775c1131743f1a283bcf84da104673753887b64b2692b32c6ebb
SHA512f4eff40ac6c79739f0fe1edad8998e2577ec7c8a0b921b19f9a438dc435e38dad6d130b538a36c04ebe5dd9bd239e9da180484329c5732e5e1a19de71158e77d