Analysis
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max time kernel
78s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
22-03-2023 17:06
Static task
static1
Behavioral task
behavioral1
Sample
db86a84b55e1bc5eea3e9da39e00d3f1848bc5670f361cf2b0e51618646053be.exe
Resource
win10v2004-20230221-en
General
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Target
db86a84b55e1bc5eea3e9da39e00d3f1848bc5670f361cf2b0e51618646053be.exe
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Size
536KB
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MD5
e5b6454a5fde5dc128ea17ab3f7a0e57
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SHA1
eb7ac9c03481c0b5b4ef9e08f299b96495ec5a78
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SHA256
db86a84b55e1bc5eea3e9da39e00d3f1848bc5670f361cf2b0e51618646053be
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SHA512
1ba843438bd3ab8b1fb7e433c0c7779bc7ebf4bff0176abd3cdc38ca889e581294d0f4fca2121f4403e18e4d375d8b25d14816db279629f20ebcfa8c4c2d357e
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SSDEEP
12288:LMrKy90JzYePegAJxV4HoXYtY4u1jhFk1:1yWsemxJxAztyhK1
Malware Config
Extracted
redline
down
193.233.20.31:4125
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auth_value
12c31a90c72f5efae8c053a0bd339381
Extracted
redline
polo
193.233.20.31:4125
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auth_value
f1a1b1041a864e0f1f788d42ececa8b3
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro1349.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro1349.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro1349.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro1349.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro1349.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro1349.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/3688-158-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-159-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-161-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-163-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-165-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-167-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-169-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-171-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-173-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-175-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-177-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-179-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-181-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-183-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-185-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-187-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-189-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-191-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-195-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-193-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-197-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-199-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-201-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-203-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-205-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-207-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-209-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-211-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-213-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-215-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-217-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-219-0x0000000002540000-0x000000000257E000-memory.dmp family_redline behavioral1/memory/3688-221-0x0000000002540000-0x000000000257E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 2940 unio1858.exe 1412 pro1349.exe 3688 qu2051.exe 2084 si442292.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" pro1349.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 db86a84b55e1bc5eea3e9da39e00d3f1848bc5670f361cf2b0e51618646053be.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\\\"" db86a84b55e1bc5eea3e9da39e00d3f1848bc5670f361cf2b0e51618646053be.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio1858.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\\\"" unio1858.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 4932 3688 WerFault.exe 90 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1412 pro1349.exe 1412 pro1349.exe 3688 qu2051.exe 3688 qu2051.exe 2084 si442292.exe 2084 si442292.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1412 pro1349.exe Token: SeDebugPrivilege 3688 qu2051.exe Token: SeDebugPrivilege 2084 si442292.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1352 wrote to memory of 2940 1352 db86a84b55e1bc5eea3e9da39e00d3f1848bc5670f361cf2b0e51618646053be.exe 84 PID 1352 wrote to memory of 2940 1352 db86a84b55e1bc5eea3e9da39e00d3f1848bc5670f361cf2b0e51618646053be.exe 84 PID 1352 wrote to memory of 2940 1352 db86a84b55e1bc5eea3e9da39e00d3f1848bc5670f361cf2b0e51618646053be.exe 84 PID 2940 wrote to memory of 1412 2940 unio1858.exe 85 PID 2940 wrote to memory of 1412 2940 unio1858.exe 85 PID 2940 wrote to memory of 3688 2940 unio1858.exe 90 PID 2940 wrote to memory of 3688 2940 unio1858.exe 90 PID 2940 wrote to memory of 3688 2940 unio1858.exe 90 PID 1352 wrote to memory of 2084 1352 db86a84b55e1bc5eea3e9da39e00d3f1848bc5670f361cf2b0e51618646053be.exe 98 PID 1352 wrote to memory of 2084 1352 db86a84b55e1bc5eea3e9da39e00d3f1848bc5670f361cf2b0e51618646053be.exe 98 PID 1352 wrote to memory of 2084 1352 db86a84b55e1bc5eea3e9da39e00d3f1848bc5670f361cf2b0e51618646053be.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\db86a84b55e1bc5eea3e9da39e00d3f1848bc5670f361cf2b0e51618646053be.exe"C:\Users\Admin\AppData\Local\Temp\db86a84b55e1bc5eea3e9da39e00d3f1848bc5670f361cf2b0e51618646053be.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1352 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1858.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1858.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2940 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1349.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1349.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1412
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu2051.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu2051.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3688 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 14724⤵
- Program crash
PID:4932
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si442292.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si442292.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3688 -ip 36881⤵PID:4864
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
175KB
MD544a26d7004f8b65e1a8bac0ccac86d6a
SHA130b583c2c04c1167703ae255b4d44b96b411c8ff
SHA25637384f1bfb6d2193e4ece0ed1f6989f9ebd238e7b4582e1aedfa136cdfd07eb9
SHA51217788355a5190ca17ead744cad71ebb7cfc7ceb84625310d31a469af0fbd50b2c304ce969530e99effeb0d23b0530b57a001f02fe918abc40ea68ad336fa187b
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Filesize
175KB
MD544a26d7004f8b65e1a8bac0ccac86d6a
SHA130b583c2c04c1167703ae255b4d44b96b411c8ff
SHA25637384f1bfb6d2193e4ece0ed1f6989f9ebd238e7b4582e1aedfa136cdfd07eb9
SHA51217788355a5190ca17ead744cad71ebb7cfc7ceb84625310d31a469af0fbd50b2c304ce969530e99effeb0d23b0530b57a001f02fe918abc40ea68ad336fa187b
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Filesize
394KB
MD5f9e6d9acee103e51387ba16ae0066aa3
SHA1a6106ec1fd35f960562629c1e80e9059b703a1d8
SHA256422cd28ae3c5aca1641fb771dbae7f3982400b4725be26bf210185faa80c29b5
SHA5120ee951c5e526e261d428482d89c0e616bd809aa56deb00f3d3f0293ff95baa7df59cddaaa939af132d5b6c3e19ef15e1af6dd0ed126e9efd51c86b9d2b6e7efb
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Filesize
394KB
MD5f9e6d9acee103e51387ba16ae0066aa3
SHA1a6106ec1fd35f960562629c1e80e9059b703a1d8
SHA256422cd28ae3c5aca1641fb771dbae7f3982400b4725be26bf210185faa80c29b5
SHA5120ee951c5e526e261d428482d89c0e616bd809aa56deb00f3d3f0293ff95baa7df59cddaaa939af132d5b6c3e19ef15e1af6dd0ed126e9efd51c86b9d2b6e7efb
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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
469KB
MD55963130681d4d2afadc9398ba96bbda3
SHA1678a712692141da3ae408e405e374921ed9f3c18
SHA25622963b39a2c9b966cb806a91c5813b8db9dbe3b7da84b8094fc1a83d9e3b0e61
SHA512a73a1278a98a422291fa3a0e34913d9ff0c1cdc9c28bfdc045fbf959b14e64e9e1cc9dffecbfadd23a6744a2b74f95b9425deda67ebef6a78da0fcc067e5025d
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Filesize
469KB
MD55963130681d4d2afadc9398ba96bbda3
SHA1678a712692141da3ae408e405e374921ed9f3c18
SHA25622963b39a2c9b966cb806a91c5813b8db9dbe3b7da84b8094fc1a83d9e3b0e61
SHA512a73a1278a98a422291fa3a0e34913d9ff0c1cdc9c28bfdc045fbf959b14e64e9e1cc9dffecbfadd23a6744a2b74f95b9425deda67ebef6a78da0fcc067e5025d