Analysis
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max time kernel
151s -
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 10:03
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exe
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Size
511KB
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MD5
f8e260ec29d11742b48122e6aec82440
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SHA1
28ccb82bca2780761d671bc80bcf455ebe66f9a4
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SHA256
6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f
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SHA512
7891eb0667335fb1997e2cf1d5428dbd5d6c45f46ef2ef773fc9471eb0294815679e000e7a9cc753702977ad4a9222a6aecbe287cebb7b4b33169d1896e9a247
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SSDEEP
12288:iMrVy90miBA+St/DIgwsrMkLCY8TUs2EuX+4+wSRQFw/zfQ1WBtI:fyvaTSl80rlCYSz2EuuUS+q/6F
Malware Config
Extracted
redline
taiga
5.42.92.51:19057
Signatures
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Detect Mystic stealer payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/464-14-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/464-18-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/464-16-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/464-15-0x0000000000400000-0x0000000000433000-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
Processes:
resource yara_rule behavioral1/memory/4160-22-0x0000000000400000-0x000000000043C000-memory.dmp family_redline -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
7qf5RR25.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation 7qf5RR25.exe -
Executes dropped EXE 4 IoCs
Processes:
ON8nN44.exe1qc31rY3.exe2hN6774.exe7qf5RR25.exepid Process 3652 ON8nN44.exe 1112 1qc31rY3.exe 4012 2hN6774.exe 2252 7qf5RR25.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exeON8nN44.exedescription 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.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.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\\\"" ON8nN44.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
1qc31rY3.exe2hN6774.exedescription pid Process procid_target PID 1112 set thread context of 464 1112 1qc31rY3.exe 51 PID 4012 set thread context of 4160 4012 2hN6774.exe 62 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2500 464 WerFault.exe 51 -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exeON8nN44.exe1qc31rY3.exe2hN6774.exe7qf5RR25.exedescription pid Process procid_target PID 1264 wrote to memory of 3652 1264 NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exe 36 PID 1264 wrote to memory of 3652 1264 NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exe 36 PID 1264 wrote to memory of 3652 1264 NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exe 36 PID 3652 wrote to memory of 1112 3652 ON8nN44.exe 38 PID 3652 wrote to memory of 1112 3652 ON8nN44.exe 38 PID 3652 wrote to memory of 1112 3652 ON8nN44.exe 38 PID 1112 wrote to memory of 464 1112 1qc31rY3.exe 51 PID 1112 wrote to memory of 464 1112 1qc31rY3.exe 51 PID 1112 wrote to memory of 464 1112 1qc31rY3.exe 51 PID 1112 wrote to memory of 464 1112 1qc31rY3.exe 51 PID 1112 wrote to memory of 464 1112 1qc31rY3.exe 51 PID 1112 wrote to memory of 464 1112 1qc31rY3.exe 51 PID 1112 wrote to memory of 464 1112 1qc31rY3.exe 51 PID 1112 wrote to memory of 464 1112 1qc31rY3.exe 51 PID 1112 wrote to memory of 464 1112 1qc31rY3.exe 51 PID 1112 wrote to memory of 464 1112 1qc31rY3.exe 51 PID 3652 wrote to memory of 4012 3652 ON8nN44.exe 60 PID 3652 wrote to memory of 4012 3652 ON8nN44.exe 60 PID 3652 wrote to memory of 4012 3652 ON8nN44.exe 60 PID 4012 wrote to memory of 4160 4012 2hN6774.exe 62 PID 4012 wrote to memory of 4160 4012 2hN6774.exe 62 PID 4012 wrote to memory of 4160 4012 2hN6774.exe 62 PID 4012 wrote to memory of 4160 4012 2hN6774.exe 62 PID 4012 wrote to memory of 4160 4012 2hN6774.exe 62 PID 4012 wrote to memory of 4160 4012 2hN6774.exe 62 PID 4012 wrote to memory of 4160 4012 2hN6774.exe 62 PID 4012 wrote to memory of 4160 4012 2hN6774.exe 62 PID 1264 wrote to memory of 2252 1264 NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exe 99 PID 1264 wrote to memory of 2252 1264 NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exe 99 PID 1264 wrote to memory of 2252 1264 NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exe 99 PID 2252 wrote to memory of 4704 2252 7qf5RR25.exe 101 PID 2252 wrote to memory of 4704 2252 7qf5RR25.exe 101 PID 2252 wrote to memory of 4704 2252 7qf5RR25.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.6ed51a4a7c23a173546ac5912ab74a6e5397593be1b13cfd970bfcb8e766f82f.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1264 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ON8nN44.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ON8nN44.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3652 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1qc31rY3.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1qc31rY3.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵PID:464
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 464 -s 5445⤵
- Program crash
PID:2500
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hN6774.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2hN6774.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4012 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵PID:4160
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7qf5RR25.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7qf5RR25.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "3⤵PID:4704
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 464 -ip 4641⤵PID:4976
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD59491c5de760f558a0828a7297b0611f5
SHA1f28906fa2f8226b68ec9388ec1469285b67551b1
SHA25659d6fb8ecd3c27ee9fef390870418264542408d50004433056ae12e00143fc97
SHA512dd7ea3139c8445ebab309caaf20c053c052b6b87e39df572417da99e34b6985e74424b1ee8dc33f033e03ba4b2229443a906c08c4b7b4ff5119d206de5a2c6d7
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Filesize
73KB
MD59491c5de760f558a0828a7297b0611f5
SHA1f28906fa2f8226b68ec9388ec1469285b67551b1
SHA25659d6fb8ecd3c27ee9fef390870418264542408d50004433056ae12e00143fc97
SHA512dd7ea3139c8445ebab309caaf20c053c052b6b87e39df572417da99e34b6985e74424b1ee8dc33f033e03ba4b2229443a906c08c4b7b4ff5119d206de5a2c6d7
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Filesize
389KB
MD51c1d4015360a35017eede7baa6df27ac
SHA18735be3f94d539ea7e5719d5c68d1ebc70c2584f
SHA256df61edb6a899e15b0c7b114762b8868daa24d2fe4d7de35716c7eda04bdb6b92
SHA512e2e8c72786a9a278613c638ad41cd51f57324b46ec6ad22558eb77bee7b213641403236126df7d0549a8fb7187ab6bbff137bb609df0e6935f4c7ae63643153a
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Filesize
389KB
MD51c1d4015360a35017eede7baa6df27ac
SHA18735be3f94d539ea7e5719d5c68d1ebc70c2584f
SHA256df61edb6a899e15b0c7b114762b8868daa24d2fe4d7de35716c7eda04bdb6b92
SHA512e2e8c72786a9a278613c638ad41cd51f57324b46ec6ad22558eb77bee7b213641403236126df7d0549a8fb7187ab6bbff137bb609df0e6935f4c7ae63643153a
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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