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Analysis
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max time kernel
139s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
11/11/2023, 10:52
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe
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Size
511KB
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MD5
82a39da2e0c4f539c528ff4223604012
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SHA1
2835e304c65a87640c793d4ac905987b48c696f3
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SHA256
b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af
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SHA512
6960c4109c2c9cdf73468fe3b1cc8485145a380f07d45834d0d9efe9a16524c53078f92db0b865f3be10c3cb2ce58a8a25820842cced83633cae1482bcc65ee8
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SSDEEP
12288:dMrty90TubnndWqUWEyGfwDI2PaY8TUs2EuX+4+wSRHF5TMTOKra:wy/Mk2YSz2EuuUSlnEOKra
Malware Config
Extracted
redline
taiga
5.42.92.51:19057
Signatures
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Detect Mystic stealer payload 4 IoCs
resource yara_rule behavioral1/memory/2132-14-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/2132-15-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/2132-16-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/2132-18-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 1 IoCs
resource yara_rule behavioral1/memory/2416-22-0x0000000000400000-0x000000000043C000-memory.dmp family_redline -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation 7IV4go97.exe -
Executes dropped EXE 4 IoCs
pid Process 4104 PO3by23.exe 3524 1Rj30hW4.exe 1644 2vJ1617.exe 4328 7IV4go97.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process 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\\\"" NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.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\\\"" PO3by23.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3524 set thread context of 2132 3524 1Rj30hW4.exe 92 PID 1644 set thread context of 2416 1644 2vJ1617.exe 98 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1376 2132 WerFault.exe 92 -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 4428 wrote to memory of 4104 4428 NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe 88 PID 4428 wrote to memory of 4104 4428 NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe 88 PID 4428 wrote to memory of 4104 4428 NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe 88 PID 4104 wrote to memory of 3524 4104 PO3by23.exe 89 PID 4104 wrote to memory of 3524 4104 PO3by23.exe 89 PID 4104 wrote to memory of 3524 4104 PO3by23.exe 89 PID 3524 wrote to memory of 2132 3524 1Rj30hW4.exe 92 PID 3524 wrote to memory of 2132 3524 1Rj30hW4.exe 92 PID 3524 wrote to memory of 2132 3524 1Rj30hW4.exe 92 PID 3524 wrote to memory of 2132 3524 1Rj30hW4.exe 92 PID 3524 wrote to memory of 2132 3524 1Rj30hW4.exe 92 PID 3524 wrote to memory of 2132 3524 1Rj30hW4.exe 92 PID 3524 wrote to memory of 2132 3524 1Rj30hW4.exe 92 PID 3524 wrote to memory of 2132 3524 1Rj30hW4.exe 92 PID 3524 wrote to memory of 2132 3524 1Rj30hW4.exe 92 PID 3524 wrote to memory of 2132 3524 1Rj30hW4.exe 92 PID 4104 wrote to memory of 1644 4104 PO3by23.exe 94 PID 4104 wrote to memory of 1644 4104 PO3by23.exe 94 PID 4104 wrote to memory of 1644 4104 PO3by23.exe 94 PID 1644 wrote to memory of 2416 1644 2vJ1617.exe 98 PID 1644 wrote to memory of 2416 1644 2vJ1617.exe 98 PID 1644 wrote to memory of 2416 1644 2vJ1617.exe 98 PID 1644 wrote to memory of 2416 1644 2vJ1617.exe 98 PID 1644 wrote to memory of 2416 1644 2vJ1617.exe 98 PID 1644 wrote to memory of 2416 1644 2vJ1617.exe 98 PID 1644 wrote to memory of 2416 1644 2vJ1617.exe 98 PID 1644 wrote to memory of 2416 1644 2vJ1617.exe 98 PID 4428 wrote to memory of 4328 4428 NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe 99 PID 4428 wrote to memory of 4328 4428 NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe 99 PID 4428 wrote to memory of 4328 4428 NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe 99 PID 4328 wrote to memory of 1300 4328 7IV4go97.exe 100 PID 4328 wrote to memory of 1300 4328 7IV4go97.exe 100 PID 4328 wrote to memory of 1300 4328 7IV4go97.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.b6e876451ff20fd0b958bc0a5046495cb16bd4ee9014de6fab8387360a12b6af.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4428 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PO3by23.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PO3by23.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4104 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Rj30hW4.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Rj30hW4.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3524 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵PID:2132
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 5405⤵
- Program crash
PID:1376
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2vJ1617.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2vJ1617.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵PID:2416
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7IV4go97.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7IV4go97.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4328 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "3⤵PID:1300
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2132 -ip 21321⤵PID:3272
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD5386101efdace92e1d100cf8505bfd0ae
SHA1daf913abaf3c4554d786e87e20fb44f8a426687e
SHA2563e68e1f88bc239884e243969b11fa9d0a2801503f2c04e0ee9b792e030ed5776
SHA5128cceed70b92cf39a17404851d2606ca66f591375e6ee6be9b9fe13a33bdbf86b16e568cac0f537a450477f35f20bc97ea26d229dfa74c518037910f13e7570da
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Filesize
73KB
MD5386101efdace92e1d100cf8505bfd0ae
SHA1daf913abaf3c4554d786e87e20fb44f8a426687e
SHA2563e68e1f88bc239884e243969b11fa9d0a2801503f2c04e0ee9b792e030ed5776
SHA5128cceed70b92cf39a17404851d2606ca66f591375e6ee6be9b9fe13a33bdbf86b16e568cac0f537a450477f35f20bc97ea26d229dfa74c518037910f13e7570da
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Filesize
389KB
MD553c8592e979faaf3ab35ce642065697c
SHA1bb7c595c64196e5cc4473f5ae6fcdd0fad01dfe6
SHA2560a288325e067550eb47428c111be86a586cc8c1e0dff31945fbec8ac52d636e0
SHA51266477e82202ebed47e19915d48c1219463615842450d9788f904d7005dc4e8634891d7d964cda342724685f8e8004e1966e2163e480aaafe6312f5fc2e0be522
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Filesize
389KB
MD553c8592e979faaf3ab35ce642065697c
SHA1bb7c595c64196e5cc4473f5ae6fcdd0fad01dfe6
SHA2560a288325e067550eb47428c111be86a586cc8c1e0dff31945fbec8ac52d636e0
SHA51266477e82202ebed47e19915d48c1219463615842450d9788f904d7005dc4e8634891d7d964cda342724685f8e8004e1966e2163e480aaafe6312f5fc2e0be522
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Filesize
300KB
MD5784667bb96ccb30c4cf44f2c5f493769
SHA128185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA2561025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
SHA51262c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20
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Filesize
300KB
MD5784667bb96ccb30c4cf44f2c5f493769
SHA128185165ab4dbbb4a139ae1af0bb6934ebe05c04
SHA2561025fb084bca865df30e69eea7a9a4a3c852626e148b340de661e6f5b63bc1c9
SHA51262c9def097f132cdb26b11e586f3e15407b9eb9e9e32f79460a3be1bd4c8e046db8488f754cd1c1cc4fe4025a3f9bc9484e94eae0c7d273050f8e6548d12bc20
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Filesize
339KB
MD514d9834611ad581afcfea061652ff6cb
SHA1802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5
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Filesize
339KB
MD514d9834611ad581afcfea061652ff6cb
SHA1802f964d0be7858eb2f1e7c6fcda03501fd1b71c
SHA256e6e9b3d830f2d7860a09d596576e8ab0131c527b47dda73fe727b71b44c8cf60
SHA512cbef1f44eb76d719c60d857a567a3fc700d62751111337cd4f8d30deae6901dc361320f28dac5ec5468420419eed66cada20f4c90fe07db6a3f8cf959eba31b5
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Filesize
181B
MD5225edee1d46e0a80610db26b275d72fb
SHA1ce206abf11aaf19278b72f5021cc64b1b427b7e8
SHA256e1befb57d724c9dc760cf42d7e0609212b22faeb2dc0c3ffe2fbd7134ff69559
SHA5124f01a2a248a1322cb690b7395b818d2780e46f4884e59f1ab96125d642b6358eea97c7fad6023ef17209b218daa9c88d15ea2b92f124ecb8434c0c7b4a710504
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Filesize
3B
MD5a5ea0ad9260b1550a14cc58d2c39b03d
SHA1f0aedf295071ed34ab8c6a7692223d22b6a19841
SHA256f1b2f662800122bed0ff255693df89c4487fbdcf453d3524a42d4ec20c3d9c04
SHA5127c735c613ece191801114785c1ee26a0485cbf1e8ee2c3b85ba1ad290ef75eec9fede5e1a5dc26d504701f3542e6b6457818f4c1d62448d0db40d5f35c357d74