Analysis
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max time kernel
156s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2023 10:13
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.016bad4b781a10f61e8a1ad24ecd6641089f12099046c97e2d8d624d30656cda.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.016bad4b781a10f61e8a1ad24ecd6641089f12099046c97e2d8d624d30656cda.exe
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Size
511KB
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MD5
55d3f5b28d5529172277422019dd5d12
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SHA1
09365561b4326f09712ccddcd37657831a67c3c1
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SHA256
016bad4b781a10f61e8a1ad24ecd6641089f12099046c97e2d8d624d30656cda
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SHA512
8d03aad075158610a82e0864bba1238161b2ae19c933810c6a83d533eaabadef20630a20521b5be4b66706bdc95cba47fe87feb513b214df4f228e3f4bec29d6
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SSDEEP
12288:4MrFy90C222VWJw3rMfLrY8TUs2euF+4+wSRIFu2qPRqlS1C:dylSV9rWrYSz2eu4USq5qZqlS8
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/5044-14-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/5044-15-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/5044-16-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/5044-18-0x0000000000400000-0x0000000000433000-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/2120-22-0x0000000000400000-0x000000000043C000-memory.dmp family_redline -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
5KB39Jp.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation 5KB39Jp.exe -
Executes dropped EXE 4 IoCs
Processes:
My2kq93.exe3Gs584tu.exe4wt2Fr8.exe5KB39Jp.exepid Process 1392 My2kq93.exe 4948 3Gs584tu.exe 1808 4wt2Fr8.exe 2584 5KB39Jp.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
My2kq93.exeNEAS.016bad4b781a10f61e8a1ad24ecd6641089f12099046c97e2d8d624d30656cda.exedescription ioc Process 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\\\"" My2kq93.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\\\"" NEAS.016bad4b781a10f61e8a1ad24ecd6641089f12099046c97e2d8d624d30656cda.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
3Gs584tu.exe4wt2Fr8.exedescription pid Process procid_target PID 4948 set thread context of 5044 4948 3Gs584tu.exe 93 PID 1808 set thread context of 2120 1808 4wt2Fr8.exe 97 -
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 1284 5044 WerFault.exe 93 -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
NEAS.016bad4b781a10f61e8a1ad24ecd6641089f12099046c97e2d8d624d30656cda.exeMy2kq93.exe3Gs584tu.exe4wt2Fr8.exe5KB39Jp.exedescription pid Process procid_target PID 2012 wrote to memory of 1392 2012 NEAS.016bad4b781a10f61e8a1ad24ecd6641089f12099046c97e2d8d624d30656cda.exe 90 PID 2012 wrote to memory of 1392 2012 NEAS.016bad4b781a10f61e8a1ad24ecd6641089f12099046c97e2d8d624d30656cda.exe 90 PID 2012 wrote to memory of 1392 2012 NEAS.016bad4b781a10f61e8a1ad24ecd6641089f12099046c97e2d8d624d30656cda.exe 90 PID 1392 wrote to memory of 4948 1392 My2kq93.exe 91 PID 1392 wrote to memory of 4948 1392 My2kq93.exe 91 PID 1392 wrote to memory of 4948 1392 My2kq93.exe 91 PID 4948 wrote to memory of 5044 4948 3Gs584tu.exe 93 PID 4948 wrote to memory of 5044 4948 3Gs584tu.exe 93 PID 4948 wrote to memory of 5044 4948 3Gs584tu.exe 93 PID 4948 wrote to memory of 5044 4948 3Gs584tu.exe 93 PID 4948 wrote to memory of 5044 4948 3Gs584tu.exe 93 PID 4948 wrote to memory of 5044 4948 3Gs584tu.exe 93 PID 4948 wrote to memory of 5044 4948 3Gs584tu.exe 93 PID 4948 wrote to memory of 5044 4948 3Gs584tu.exe 93 PID 4948 wrote to memory of 5044 4948 3Gs584tu.exe 93 PID 4948 wrote to memory of 5044 4948 3Gs584tu.exe 93 PID 1392 wrote to memory of 1808 1392 My2kq93.exe 95 PID 1392 wrote to memory of 1808 1392 My2kq93.exe 95 PID 1392 wrote to memory of 1808 1392 My2kq93.exe 95 PID 1808 wrote to memory of 2120 1808 4wt2Fr8.exe 97 PID 1808 wrote to memory of 2120 1808 4wt2Fr8.exe 97 PID 1808 wrote to memory of 2120 1808 4wt2Fr8.exe 97 PID 1808 wrote to memory of 2120 1808 4wt2Fr8.exe 97 PID 1808 wrote to memory of 2120 1808 4wt2Fr8.exe 97 PID 1808 wrote to memory of 2120 1808 4wt2Fr8.exe 97 PID 1808 wrote to memory of 2120 1808 4wt2Fr8.exe 97 PID 1808 wrote to memory of 2120 1808 4wt2Fr8.exe 97 PID 2012 wrote to memory of 2584 2012 NEAS.016bad4b781a10f61e8a1ad24ecd6641089f12099046c97e2d8d624d30656cda.exe 98 PID 2012 wrote to memory of 2584 2012 NEAS.016bad4b781a10f61e8a1ad24ecd6641089f12099046c97e2d8d624d30656cda.exe 98 PID 2012 wrote to memory of 2584 2012 NEAS.016bad4b781a10f61e8a1ad24ecd6641089f12099046c97e2d8d624d30656cda.exe 98 PID 2584 wrote to memory of 4816 2584 5KB39Jp.exe 104 PID 2584 wrote to memory of 4816 2584 5KB39Jp.exe 104 PID 2584 wrote to memory of 4816 2584 5KB39Jp.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.016bad4b781a10f61e8a1ad24ecd6641089f12099046c97e2d8d624d30656cda.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.016bad4b781a10f61e8a1ad24ecd6641089f12099046c97e2d8d624d30656cda.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\My2kq93.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\My2kq93.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Gs584tu.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3Gs584tu.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4948 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵PID:5044
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 1925⤵
- Program crash
PID:1284
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4wt2Fr8.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4wt2Fr8.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵PID:2120
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5KB39Jp.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5KB39Jp.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "3⤵PID:4816
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5044 -ip 50441⤵PID:2088
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD579926320de53496b8835f1d601729d28
SHA1cea5175ae6895e7cd09d5b975b031d54b01d0940
SHA256b3db9be75345deaf17f062a7f98a2d0516ecccb9b7c0a08855ea63f4f206e7fa
SHA512e1d76500f18772f32ce7bbf35b4ca02030c56f0c7121350ab522a14328cb3ac44a5da7b1fd06bce2b6ca1e7c3e69157923f9da544da42488024243b3ddafbed5
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Filesize
73KB
MD579926320de53496b8835f1d601729d28
SHA1cea5175ae6895e7cd09d5b975b031d54b01d0940
SHA256b3db9be75345deaf17f062a7f98a2d0516ecccb9b7c0a08855ea63f4f206e7fa
SHA512e1d76500f18772f32ce7bbf35b4ca02030c56f0c7121350ab522a14328cb3ac44a5da7b1fd06bce2b6ca1e7c3e69157923f9da544da42488024243b3ddafbed5
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Filesize
389KB
MD5b0d13f6ed9006fdd247897cb49036427
SHA18fc70a46afade8db77148a40ff02212a6d86b2cd
SHA25622227096b2e59c9f68529cd55c613a7838348fba12f93f4147bf1ad68c1aa756
SHA5123a2fe970e1c6fa93ce910a94a4b41e23e7991958d56e5d40bf8e385c79979cd1e69e3308b1c609de0189654e2f6371375112946130171393a1cbe868a320505e
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Filesize
389KB
MD5b0d13f6ed9006fdd247897cb49036427
SHA18fc70a46afade8db77148a40ff02212a6d86b2cd
SHA25622227096b2e59c9f68529cd55c613a7838348fba12f93f4147bf1ad68c1aa756
SHA5123a2fe970e1c6fa93ce910a94a4b41e23e7991958d56e5d40bf8e385c79979cd1e69e3308b1c609de0189654e2f6371375112946130171393a1cbe868a320505e
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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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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e