Analysis
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max time kernel
84s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
06-03-2023 15:39
Static task
static1
Behavioral task
behavioral1
Sample
2f990c9a701879b86041641931c9332939a5ea833af726a653eb6ae07834d4fc.exe
Resource
win10v2004-20230220-en
General
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Target
2f990c9a701879b86041641931c9332939a5ea833af726a653eb6ae07834d4fc.exe
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Size
562KB
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MD5
1a9500015d954217cba644416167ddd5
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SHA1
87285e82b1b809b4d0a6b8d21953c9b03f7d3c61
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SHA256
2f990c9a701879b86041641931c9332939a5ea833af726a653eb6ae07834d4fc
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SHA512
18e9cd6f86309d7b2dc59456a952a6367a68efb254a61a6d7c4a23230b6a79b032952a9d654ef216954219009b903d71f66df8aa1ea820eb78cb479221f835fa
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SSDEEP
12288:DMrMy90uN0shnQrXxeAt4kj5RznGPRC1FD7fTk:zyFhYx/rXzIMXfTk
Malware Config
Extracted
redline
fud
193.233.20.27:4123
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auth_value
cddc991efd6918ad5321d80dac884b40
Extracted
redline
fabio
193.233.20.27:4123
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auth_value
56b82736c3f56b13be8e64c87d2cf9e5
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" sf28yB44Ct81.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" sf28yB44Ct81.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" sf28yB44Ct81.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" sf28yB44Ct81.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" sf28yB44Ct81.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection sf28yB44Ct81.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/3040-157-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-158-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-160-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-162-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-164-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-166-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-168-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-170-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-172-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-174-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-176-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-178-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-180-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-182-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-184-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-186-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-188-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-190-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-192-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-194-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-196-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-198-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-200-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-202-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-204-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-206-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-208-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-210-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-212-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-214-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-216-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-218-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline behavioral1/memory/3040-220-0x0000000004B10000-0x0000000004B4E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 920 vhjy0216JI.exe 3200 sf28yB44Ct81.exe 3040 tf68Pp49Qv19.exe 4056 uhck91WA24Vp.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" sf28yB44Ct81.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 2f990c9a701879b86041641931c9332939a5ea833af726a653eb6ae07834d4fc.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\\\"" 2f990c9a701879b86041641931c9332939a5ea833af726a653eb6ae07834d4fc.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce vhjy0216JI.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\\\"" vhjy0216JI.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 2852 3040 WerFault.exe 88 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3200 sf28yB44Ct81.exe 3200 sf28yB44Ct81.exe 3040 tf68Pp49Qv19.exe 3040 tf68Pp49Qv19.exe 4056 uhck91WA24Vp.exe 4056 uhck91WA24Vp.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3200 sf28yB44Ct81.exe Token: SeDebugPrivilege 3040 tf68Pp49Qv19.exe Token: SeDebugPrivilege 4056 uhck91WA24Vp.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1824 wrote to memory of 920 1824 2f990c9a701879b86041641931c9332939a5ea833af726a653eb6ae07834d4fc.exe 86 PID 1824 wrote to memory of 920 1824 2f990c9a701879b86041641931c9332939a5ea833af726a653eb6ae07834d4fc.exe 86 PID 1824 wrote to memory of 920 1824 2f990c9a701879b86041641931c9332939a5ea833af726a653eb6ae07834d4fc.exe 86 PID 920 wrote to memory of 3200 920 vhjy0216JI.exe 87 PID 920 wrote to memory of 3200 920 vhjy0216JI.exe 87 PID 920 wrote to memory of 3040 920 vhjy0216JI.exe 88 PID 920 wrote to memory of 3040 920 vhjy0216JI.exe 88 PID 920 wrote to memory of 3040 920 vhjy0216JI.exe 88 PID 1824 wrote to memory of 4056 1824 2f990c9a701879b86041641931c9332939a5ea833af726a653eb6ae07834d4fc.exe 91 PID 1824 wrote to memory of 4056 1824 2f990c9a701879b86041641931c9332939a5ea833af726a653eb6ae07834d4fc.exe 91 PID 1824 wrote to memory of 4056 1824 2f990c9a701879b86041641931c9332939a5ea833af726a653eb6ae07834d4fc.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\2f990c9a701879b86041641931c9332939a5ea833af726a653eb6ae07834d4fc.exe"C:\Users\Admin\AppData\Local\Temp\2f990c9a701879b86041641931c9332939a5ea833af726a653eb6ae07834d4fc.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1824 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhjy0216JI.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vhjy0216JI.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:920 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sf28yB44Ct81.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sf28yB44Ct81.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3200
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tf68Pp49Qv19.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tf68Pp49Qv19.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3040 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 13524⤵
- Program crash
PID:2852
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uhck91WA24Vp.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uhck91WA24Vp.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3040 -ip 30401⤵PID:1600
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
176KB
MD527af98851549def14b05c3305294c54b
SHA1e6c0624482879bee45874be4ee6d210673912faf
SHA2562a08dbbc08d28297985a9ea03d474b1d25854f330bd59ab85618f576566df0e2
SHA512dc27a09689ccb2e2b615315e4ebc0df804c40c5f4a741a131cad4d411d0cc61af9f1d39129b731f7c48a235be165c3dcf5f8a3c81140f1be948f75fa66957d6f
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Filesize
176KB
MD527af98851549def14b05c3305294c54b
SHA1e6c0624482879bee45874be4ee6d210673912faf
SHA2562a08dbbc08d28297985a9ea03d474b1d25854f330bd59ab85618f576566df0e2
SHA512dc27a09689ccb2e2b615315e4ebc0df804c40c5f4a741a131cad4d411d0cc61af9f1d39129b731f7c48a235be165c3dcf5f8a3c81140f1be948f75fa66957d6f
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Filesize
418KB
MD54331c1713a70898336e34bef8f64be84
SHA14b0a8e0b91d422a7b15dc775acb7067166620609
SHA25663a982fdd75ed5248bc1e9f8300db3bcbe2867ca5920acbd9e728bb428b73d18
SHA5128d27eac6b8882d7c1e6faa3fa70cf27c57d7bfa4b0ecbcdfe16876ff4fa2b7ea0be879e5dc903c1c29ae3de0a7f8e864995b45841e9ad1bc918b5a9b43c38d2b
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Filesize
418KB
MD54331c1713a70898336e34bef8f64be84
SHA14b0a8e0b91d422a7b15dc775acb7067166620609
SHA25663a982fdd75ed5248bc1e9f8300db3bcbe2867ca5920acbd9e728bb428b73d18
SHA5128d27eac6b8882d7c1e6faa3fa70cf27c57d7bfa4b0ecbcdfe16876ff4fa2b7ea0be879e5dc903c1c29ae3de0a7f8e864995b45841e9ad1bc918b5a9b43c38d2b
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Filesize
11KB
MD560f6b342af751b06cb233fa91538006f
SHA1b4055971a9c669798a18426cab7a800ecea907ee
SHA256ed4522161bc53e073a4db6b6333c7ad02aa01b65a141dee2b30a25c94fbfdb4f
SHA512d31ca9ce6cd1721ce939ba1a3864a072936f6d5d8f90baf298ff83db44d8cbb032a582c166b21221c81af67b2ec56b78f6bbe57f88bb0e502e26df91528c5087
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Filesize
11KB
MD560f6b342af751b06cb233fa91538006f
SHA1b4055971a9c669798a18426cab7a800ecea907ee
SHA256ed4522161bc53e073a4db6b6333c7ad02aa01b65a141dee2b30a25c94fbfdb4f
SHA512d31ca9ce6cd1721ce939ba1a3864a072936f6d5d8f90baf298ff83db44d8cbb032a582c166b21221c81af67b2ec56b78f6bbe57f88bb0e502e26df91528c5087
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Filesize
420KB
MD526c4ff23e7d77f037b4cf034354d85b2
SHA1c6596b283bc440832c9baf35453ebc4d9fb70115
SHA25661a27dc04dc6709f1cd05c3b9bd7bae777e915f524decb5948c8cb8f26ff2b19
SHA512c2befc78aa793989b2838803971cd9675a35c1c657a127a69f4bbbd852b77f79df2d733b934d1411b07fe7f01f75359749382be7e8b0c6c9d2b582a5423fc1f9
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Filesize
420KB
MD526c4ff23e7d77f037b4cf034354d85b2
SHA1c6596b283bc440832c9baf35453ebc4d9fb70115
SHA25661a27dc04dc6709f1cd05c3b9bd7bae777e915f524decb5948c8cb8f26ff2b19
SHA512c2befc78aa793989b2838803971cd9675a35c1c657a127a69f4bbbd852b77f79df2d733b934d1411b07fe7f01f75359749382be7e8b0c6c9d2b582a5423fc1f9