Analysis
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max time kernel
86s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2023 03:13
Static task
static1
Behavioral task
behavioral1
Sample
c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4.exe
Resource
win10v2004-20230220-en
General
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Target
c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4.exe
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Size
689KB
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MD5
2b6c04198b327d6882d974d06883645c
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SHA1
3e0d290f4b9048912b8f92d047d778fad1a1b3a9
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SHA256
c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4
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SHA512
e8f30e21fa479737bee165caf231de8136d255495e4610786da0eb92922e786acb12f4fc3ba925f1a83b75381a8d0b07dd6d36119f01b87fac0f94bad89e9e9c
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SSDEEP
12288:AMrWy90qj/sRN5RTqALb/0M91kkGvuked0nVo2aEmJ4vMFJsfigA7q/hQnBxd:myHcNjuc4Fzdo2lmJ4UJsagWgQBxd
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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Processes:
pro2256.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro2256.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro2256.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro2256.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro2256.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro2256.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro2256.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3908-189-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-190-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-192-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-194-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-196-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-198-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-200-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-202-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-204-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-206-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-208-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-210-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-212-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-215-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-219-0x0000000006200000-0x0000000006210000-memory.dmp family_redline behavioral1/memory/3908-218-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-222-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-224-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline behavioral1/memory/3908-226-0x0000000003AE0000-0x0000000003B1F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
un595520.exepro2256.exequ0369.exesi980630.exepid process 4596 un595520.exe 1208 pro2256.exe 3908 qu0369.exe 2592 si980630.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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Processes:
pro2256.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro2256.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro2256.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
Processes:
c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4.exeun595520.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4.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\\\"" c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un595520.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\\\"" un595520.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
Processes:
WerFault.exeWerFault.exepid pid_target process target process 4896 1208 WerFault.exe pro2256.exe 3760 3908 WerFault.exe qu0369.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro2256.exequ0369.exesi980630.exepid process 1208 pro2256.exe 1208 pro2256.exe 3908 qu0369.exe 3908 qu0369.exe 2592 si980630.exe 2592 si980630.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro2256.exequ0369.exesi980630.exedescription pid process Token: SeDebugPrivilege 1208 pro2256.exe Token: SeDebugPrivilege 3908 qu0369.exe Token: SeDebugPrivilege 2592 si980630.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4.exeun595520.exedescription pid process target process PID 4420 wrote to memory of 4596 4420 c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4.exe un595520.exe PID 4420 wrote to memory of 4596 4420 c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4.exe un595520.exe PID 4420 wrote to memory of 4596 4420 c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4.exe un595520.exe PID 4596 wrote to memory of 1208 4596 un595520.exe pro2256.exe PID 4596 wrote to memory of 1208 4596 un595520.exe pro2256.exe PID 4596 wrote to memory of 1208 4596 un595520.exe pro2256.exe PID 4596 wrote to memory of 3908 4596 un595520.exe qu0369.exe PID 4596 wrote to memory of 3908 4596 un595520.exe qu0369.exe PID 4596 wrote to memory of 3908 4596 un595520.exe qu0369.exe PID 4420 wrote to memory of 2592 4420 c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4.exe si980630.exe PID 4420 wrote to memory of 2592 4420 c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4.exe si980630.exe PID 4420 wrote to memory of 2592 4420 c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4.exe si980630.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4.exe"C:\Users\Admin\AppData\Local\Temp\c4599af9a10320ffaa4862d520f07496d2608bc5fb204336ca6b445e97b94af4.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4420 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un595520.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un595520.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4596 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2256.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2256.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1208 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 10804⤵
- Program crash
PID:4896 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu0369.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu0369.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3908 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 13404⤵
- Program crash
PID:3760 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si980630.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si980630.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2592
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1208 -ip 12081⤵PID:1848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3908 -ip 39081⤵PID:4068
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD56da23526589199da4cd141ce496f1448
SHA17236ad11c7259eed78c583575db48aa4110de094
SHA2569436c4ccffb6bb3c7fabff24202db669a5d539e4679a77bf104b40626ea01aec
SHA5125e574b230367758c17d4c5274ccc29d0a4a4b692b6f780cd17ab4e4fb61b089e59ae250f280c62524fb58956fd922be006913ed5c40fa94c0f59d24535cf76de
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Filesize
175KB
MD56da23526589199da4cd141ce496f1448
SHA17236ad11c7259eed78c583575db48aa4110de094
SHA2569436c4ccffb6bb3c7fabff24202db669a5d539e4679a77bf104b40626ea01aec
SHA5125e574b230367758c17d4c5274ccc29d0a4a4b692b6f780cd17ab4e4fb61b089e59ae250f280c62524fb58956fd922be006913ed5c40fa94c0f59d24535cf76de
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Filesize
547KB
MD58beefb0ad2a3769c195129becc4370d1
SHA1b2a53b12c9aeca3efb786d643666ce9f7ebd69f1
SHA256565ff95d6ee441d66b6307dbd0ca0648340cdc69019eed40af34ed34dcbf5c05
SHA5128a3633111e37fe82f8fca29cc4d09062e9ad53120f086d505e3d85e8752a5534137ed233fa6d52ca4967ce1b778893d06faf9f1c99669ebcf3b1c5ccbb33e851
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Filesize
547KB
MD58beefb0ad2a3769c195129becc4370d1
SHA1b2a53b12c9aeca3efb786d643666ce9f7ebd69f1
SHA256565ff95d6ee441d66b6307dbd0ca0648340cdc69019eed40af34ed34dcbf5c05
SHA5128a3633111e37fe82f8fca29cc4d09062e9ad53120f086d505e3d85e8752a5534137ed233fa6d52ca4967ce1b778893d06faf9f1c99669ebcf3b1c5ccbb33e851
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Filesize
291KB
MD56a8641157b3c37f61c3803a9f938932f
SHA1b7bb697539370fd3c593dc83fcd6c956482d5d34
SHA256d1a508dacbe1e5f4df081e9ea0dcfdd34d067384329670feecd2bb79794cd588
SHA512cc625430ccbee75bb59427ddccb2608f9eeabfbe141362501325507d7eee9c97edf710f00ea9eea62747851b93aea5de610046ec6891a00a9082fbee546944b5
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Filesize
291KB
MD56a8641157b3c37f61c3803a9f938932f
SHA1b7bb697539370fd3c593dc83fcd6c956482d5d34
SHA256d1a508dacbe1e5f4df081e9ea0dcfdd34d067384329670feecd2bb79794cd588
SHA512cc625430ccbee75bb59427ddccb2608f9eeabfbe141362501325507d7eee9c97edf710f00ea9eea62747851b93aea5de610046ec6891a00a9082fbee546944b5
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Filesize
345KB
MD5f111e19e80574da424ab6abede1aeabd
SHA1dd5cb467a518a0db2591b95f08c16a31d174a78c
SHA256271c674224331fddedc02afe702ba5ff6a20de5a498d4032704ed2ef90399adb
SHA512a375e4058d4ab1cfc10abd9540f57ed07b575aa73f698144958b8776dcb4668d6efca3d59cdf4fd758b10d4b083002eb1d07090b0a4ac2d39599e08d5b6c7046
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Filesize
345KB
MD5f111e19e80574da424ab6abede1aeabd
SHA1dd5cb467a518a0db2591b95f08c16a31d174a78c
SHA256271c674224331fddedc02afe702ba5ff6a20de5a498d4032704ed2ef90399adb
SHA512a375e4058d4ab1cfc10abd9540f57ed07b575aa73f698144958b8776dcb4668d6efca3d59cdf4fd758b10d4b083002eb1d07090b0a4ac2d39599e08d5b6c7046