Analysis
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max time kernel
98s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
02/03/2023, 19:07
Static task
static1
Behavioral task
behavioral1
Sample
aaf8c4990ad9baea9669e6f19cfc550399751c99fa52f14297b3baaf610bcd16.exe
Resource
win10v2004-20230220-en
General
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Target
aaf8c4990ad9baea9669e6f19cfc550399751c99fa52f14297b3baaf610bcd16.exe
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Size
546KB
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MD5
4cea6d0d48c69c8429393f2852610c2b
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SHA1
6270f55756242ac940bbe6faf2a7a76e0f99d14b
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SHA256
aaf8c4990ad9baea9669e6f19cfc550399751c99fa52f14297b3baaf610bcd16
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SHA512
ee14b83caf0994909aaaf30673eec5210de64f6f8e3062bfde29e1499b5b8fcc67033ae7fc9af80221151e950b8e1752eb8cff958737af54ce965280526bf2f7
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SSDEEP
12288:6Mray90+nU1VjIcZq6W8xiu5nu6bluhWDxN:wy/MVjnPxxLnu67
Malware Config
Extracted
redline
stek
melevv.eu:4162
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auth_value
4205381daf6946b2df5fe3bc7eacc918
Extracted
redline
fomich
melevv.eu:4162
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auth_value
b018e52ac946001794d8b8c23e901859
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" sw51pI79Wd29.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" sw51pI79Wd29.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" sw51pI79Wd29.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection sw51pI79Wd29.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" sw51pI79Wd29.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" sw51pI79Wd29.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 34 IoCs
resource yara_rule behavioral1/memory/4596-156-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-159-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-157-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-161-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-163-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-165-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-167-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-169-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-171-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-173-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-175-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-177-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-179-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-181-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-183-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-185-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-187-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-189-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-191-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-193-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-195-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-197-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-201-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-203-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-205-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-207-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-209-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-211-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-213-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-215-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-217-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-219-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-221-0x0000000004DD0000-0x0000000004E0E000-memory.dmp family_redline behavioral1/memory/4596-1073-0x0000000004800000-0x0000000004810000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1804 vol3829tx.exe 3796 sw51pI79Wd29.exe 4596 tkz42hK66.exe 3468 uUz23Ji45.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" sw51pI79Wd29.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 aaf8c4990ad9baea9669e6f19cfc550399751c99fa52f14297b3baaf610bcd16.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\\\"" aaf8c4990ad9baea9669e6f19cfc550399751c99fa52f14297b3baaf610bcd16.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce vol3829tx.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\\\"" vol3829tx.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 2416 4596 WerFault.exe 89 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3796 sw51pI79Wd29.exe 3796 sw51pI79Wd29.exe 4596 tkz42hK66.exe 4596 tkz42hK66.exe 3468 uUz23Ji45.exe 3468 uUz23Ji45.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3796 sw51pI79Wd29.exe Token: SeDebugPrivilege 4596 tkz42hK66.exe Token: SeDebugPrivilege 3468 uUz23Ji45.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4304 wrote to memory of 1804 4304 aaf8c4990ad9baea9669e6f19cfc550399751c99fa52f14297b3baaf610bcd16.exe 84 PID 4304 wrote to memory of 1804 4304 aaf8c4990ad9baea9669e6f19cfc550399751c99fa52f14297b3baaf610bcd16.exe 84 PID 4304 wrote to memory of 1804 4304 aaf8c4990ad9baea9669e6f19cfc550399751c99fa52f14297b3baaf610bcd16.exe 84 PID 1804 wrote to memory of 3796 1804 vol3829tx.exe 85 PID 1804 wrote to memory of 3796 1804 vol3829tx.exe 85 PID 1804 wrote to memory of 4596 1804 vol3829tx.exe 89 PID 1804 wrote to memory of 4596 1804 vol3829tx.exe 89 PID 1804 wrote to memory of 4596 1804 vol3829tx.exe 89 PID 4304 wrote to memory of 3468 4304 aaf8c4990ad9baea9669e6f19cfc550399751c99fa52f14297b3baaf610bcd16.exe 98 PID 4304 wrote to memory of 3468 4304 aaf8c4990ad9baea9669e6f19cfc550399751c99fa52f14297b3baaf610bcd16.exe 98 PID 4304 wrote to memory of 3468 4304 aaf8c4990ad9baea9669e6f19cfc550399751c99fa52f14297b3baaf610bcd16.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\aaf8c4990ad9baea9669e6f19cfc550399751c99fa52f14297b3baaf610bcd16.exe"C:\Users\Admin\AppData\Local\Temp\aaf8c4990ad9baea9669e6f19cfc550399751c99fa52f14297b3baaf610bcd16.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4304 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vol3829tx.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vol3829tx.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw51pI79Wd29.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw51pI79Wd29.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3796
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tkz42hK66.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tkz42hK66.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4596 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 13964⤵
- Program crash
PID:2416
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uUz23Ji45.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uUz23Ji45.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4596 -ip 45961⤵PID:852
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5616410b74e38ae308d706374be6098c0
SHA1386d09f5990770bd0346a3d6ed59a56bb1daa4b8
SHA2567ef52b208f7f0180606b0ee88d97b1de102c2ca049efb3ee7b81c680f1034025
SHA5128ec8f0f9cbf1c6fbf85a2c5b20f58c59ee2ee42e8e2f5207499c5b907b0ec9b3cf9f09b969885ec896e5f50656b6b70e4fe6fbd005f71e2895883aac22e1625a
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Filesize
175KB
MD5616410b74e38ae308d706374be6098c0
SHA1386d09f5990770bd0346a3d6ed59a56bb1daa4b8
SHA2567ef52b208f7f0180606b0ee88d97b1de102c2ca049efb3ee7b81c680f1034025
SHA5128ec8f0f9cbf1c6fbf85a2c5b20f58c59ee2ee42e8e2f5207499c5b907b0ec9b3cf9f09b969885ec896e5f50656b6b70e4fe6fbd005f71e2895883aac22e1625a
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Filesize
401KB
MD57da48e63b69bff29237306e789c06b16
SHA15df2cf201e70da221c22c65d152c8042815fe3de
SHA256cb996b516e4e4a720a6755cd71bc778d0a72941e83a087086ea03ac36e0dd0b1
SHA512bf3191185c9921f0403d548a812dd4212c29451d80e397b81cede2a8b5d38065092221fc799d1a3fada17b3fa158e0b114267749fe1939b859d079510ec89abf
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Filesize
401KB
MD57da48e63b69bff29237306e789c06b16
SHA15df2cf201e70da221c22c65d152c8042815fe3de
SHA256cb996b516e4e4a720a6755cd71bc778d0a72941e83a087086ea03ac36e0dd0b1
SHA512bf3191185c9921f0403d548a812dd4212c29451d80e397b81cede2a8b5d38065092221fc799d1a3fada17b3fa158e0b114267749fe1939b859d079510ec89abf
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Filesize
17KB
MD5235d46ef0afa5922d96531b7343712f4
SHA10172ba9b6e89e90f5dd30b946cba42b57cd3979c
SHA256d9844d3a572866a6bdbf3422e6ec90205ab49171d8d5045929366849f8ec8db9
SHA512e49dc7227d05103e638be13a7285c483236b75f332012874eefa2cdde3c23250e98b4a6b3fdac0996174577060d403bb84426eb677cddcfb422a059b224b73c2
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Filesize
17KB
MD5235d46ef0afa5922d96531b7343712f4
SHA10172ba9b6e89e90f5dd30b946cba42b57cd3979c
SHA256d9844d3a572866a6bdbf3422e6ec90205ab49171d8d5045929366849f8ec8db9
SHA512e49dc7227d05103e638be13a7285c483236b75f332012874eefa2cdde3c23250e98b4a6b3fdac0996174577060d403bb84426eb677cddcfb422a059b224b73c2
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Filesize
377KB
MD5f1ee2f9260487ebcd921054e948b7c77
SHA1653a941f90804cc68f78db483e0c0e559b1eefb7
SHA25653d391e42f7a8a701906e246d5ed87be400f65f779e4689a448d0497adaf8df9
SHA512ece3849635baa6ef692dec38f3415d566f6419ffb4854043c60708578f748a3f2112360e3794d9e3f5a64e8feaf26b6f0a17efcd852d009d3a7063cde9895222
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Filesize
377KB
MD5f1ee2f9260487ebcd921054e948b7c77
SHA1653a941f90804cc68f78db483e0c0e559b1eefb7
SHA25653d391e42f7a8a701906e246d5ed87be400f65f779e4689a448d0497adaf8df9
SHA512ece3849635baa6ef692dec38f3415d566f6419ffb4854043c60708578f748a3f2112360e3794d9e3f5a64e8feaf26b6f0a17efcd852d009d3a7063cde9895222