Analysis
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max time kernel
142s -
max time network
150s -
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 10:08
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exe
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Size
511KB
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MD5
db1259b1ce3a588a3b3ac6f44ae3bb2e
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SHA1
f02b3b97409ee639e85018d13eba138ab8fedefb
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SHA256
35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a
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SHA512
7dcaceb476a5fe517ed3c111147d581eba01f9057d4cb31ef7f5b904cf2ce6d8a53c0e02aa5272e23f9df4bf5a7b0f2a71fdc03a84c7b9c05fb442214180fe4f
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SSDEEP
12288:SMr9y90Tc0i/V90LxwpW8Y8TUs2MuX+4+wSR9FCV9f8XOT:Xy0Nl8YSz2MuuUS3af9
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/364-14-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/364-15-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/364-16-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/364-18-0x0000000000400000-0x0000000000433000-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
Processes:
resource yara_rule behavioral1/memory/1104-22-0x0000000000400000-0x000000000043C000-memory.dmp family_redline -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
5mz92dw.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation 5mz92dw.exe -
Executes dropped EXE 4 IoCs
Processes:
eH2gj84.exe3gq263fx.exe4wL3cn9.exe5mz92dw.exepid Process 3176 eH2gj84.exe 3856 3gq263fx.exe 2808 4wL3cn9.exe 2388 5mz92dw.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
NEAS.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exeeH2gj84.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.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.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\\\"" eH2gj84.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
3gq263fx.exe4wL3cn9.exedescription pid Process procid_target PID 3856 set thread context of 364 3856 3gq263fx.exe 93 PID 2808 set thread context of 1104 2808 4wL3cn9.exe 100 -
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 1680 364 WerFault.exe 93 -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
NEAS.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exeeH2gj84.exe3gq263fx.exe4wL3cn9.exe5mz92dw.exedescription pid Process procid_target PID 2464 wrote to memory of 3176 2464 NEAS.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exe 88 PID 2464 wrote to memory of 3176 2464 NEAS.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exe 88 PID 2464 wrote to memory of 3176 2464 NEAS.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exe 88 PID 3176 wrote to memory of 3856 3176 eH2gj84.exe 90 PID 3176 wrote to memory of 3856 3176 eH2gj84.exe 90 PID 3176 wrote to memory of 3856 3176 eH2gj84.exe 90 PID 3856 wrote to memory of 364 3856 3gq263fx.exe 93 PID 3856 wrote to memory of 364 3856 3gq263fx.exe 93 PID 3856 wrote to memory of 364 3856 3gq263fx.exe 93 PID 3856 wrote to memory of 364 3856 3gq263fx.exe 93 PID 3856 wrote to memory of 364 3856 3gq263fx.exe 93 PID 3856 wrote to memory of 364 3856 3gq263fx.exe 93 PID 3856 wrote to memory of 364 3856 3gq263fx.exe 93 PID 3856 wrote to memory of 364 3856 3gq263fx.exe 93 PID 3856 wrote to memory of 364 3856 3gq263fx.exe 93 PID 3856 wrote to memory of 364 3856 3gq263fx.exe 93 PID 3176 wrote to memory of 2808 3176 eH2gj84.exe 96 PID 3176 wrote to memory of 2808 3176 eH2gj84.exe 96 PID 3176 wrote to memory of 2808 3176 eH2gj84.exe 96 PID 2808 wrote to memory of 1104 2808 4wL3cn9.exe 100 PID 2808 wrote to memory of 1104 2808 4wL3cn9.exe 100 PID 2808 wrote to memory of 1104 2808 4wL3cn9.exe 100 PID 2808 wrote to memory of 1104 2808 4wL3cn9.exe 100 PID 2808 wrote to memory of 1104 2808 4wL3cn9.exe 100 PID 2808 wrote to memory of 1104 2808 4wL3cn9.exe 100 PID 2808 wrote to memory of 1104 2808 4wL3cn9.exe 100 PID 2808 wrote to memory of 1104 2808 4wL3cn9.exe 100 PID 2464 wrote to memory of 2388 2464 NEAS.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exe 101 PID 2464 wrote to memory of 2388 2464 NEAS.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exe 101 PID 2464 wrote to memory of 2388 2464 NEAS.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exe 101 PID 2388 wrote to memory of 4344 2388 5mz92dw.exe 103 PID 2388 wrote to memory of 4344 2388 5mz92dw.exe 103 PID 2388 wrote to memory of 4344 2388 5mz92dw.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.35519396c3f6f09fb10973923cabe3a8a28b9339cc846b72bb85f36ce8852b3a.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eH2gj84.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\eH2gj84.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3176 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3gq263fx.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3gq263fx.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3856 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵PID:364
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 364 -s 5405⤵
- Program crash
PID:1680
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4wL3cn9.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4wL3cn9.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2808 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵PID:1104
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mz92dw.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5mz92dw.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "3⤵PID:4344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 364 -ip 3641⤵PID:5088
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD50783f7eebb467e53bf230841e814a44a
SHA11f65a8b932f99c29f6e943938bc0664ad09b0d87
SHA256a43f7c878dbad73a75295d740c5a872793288531452d157fae67f9ef24fc1622
SHA51275f841446a9d1f3019c6ed474df393f06547a66ec65d77fd149331a48231bfb79cbc6defb69b0265ae97190ec0bdd1cfa1030ce818ddcc2573d41f6f2e7ed266
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Filesize
73KB
MD50783f7eebb467e53bf230841e814a44a
SHA11f65a8b932f99c29f6e943938bc0664ad09b0d87
SHA256a43f7c878dbad73a75295d740c5a872793288531452d157fae67f9ef24fc1622
SHA51275f841446a9d1f3019c6ed474df393f06547a66ec65d77fd149331a48231bfb79cbc6defb69b0265ae97190ec0bdd1cfa1030ce818ddcc2573d41f6f2e7ed266
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Filesize
389KB
MD52cf77ce37e5be7305da8d9899478ba8a
SHA1b6012947abccb63b621913b8a65b8c3415515e37
SHA2565d91e5d21ba81c565c178f9d54e545f6a79dab3f97f31f2249addbf8f1d80a3b
SHA512afc602cf001afb314c1b087528a148bb1809c3db0fe201008f31ea95bd0f7e059e39e51be3ffdc7909f5124741ee3677748647e5dfea9ff046aa18cef03f06ec
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Filesize
389KB
MD52cf77ce37e5be7305da8d9899478ba8a
SHA1b6012947abccb63b621913b8a65b8c3415515e37
SHA2565d91e5d21ba81c565c178f9d54e545f6a79dab3f97f31f2249addbf8f1d80a3b
SHA512afc602cf001afb314c1b087528a148bb1809c3db0fe201008f31ea95bd0f7e059e39e51be3ffdc7909f5124741ee3677748647e5dfea9ff046aa18cef03f06ec
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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