Analysis
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max time kernel
151s -
max time network
158s -
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 10:09
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.6a1d11ef3a0d25efc377827f0565c6da1efc4b7d421fc66e02777b6aa92d6871.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.6a1d11ef3a0d25efc377827f0565c6da1efc4b7d421fc66e02777b6aa92d6871.exe
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Size
511KB
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MD5
bb6e1c55fcaf53ec5b41ef9998d2ec9c
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SHA1
a77160dceadaebdb599f4e7aaeab72e23e2a5fb8
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SHA256
6a1d11ef3a0d25efc377827f0565c6da1efc4b7d421fc66e02777b6aa92d6871
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SHA512
e93d3506c5041b49db0da9672dfe5a8beeca8817d56173f16ea8fd6ab3a456c79ba061fe1052e34e459b9cfbb0af9c10a3e523b1331d25982fb9fb4d9bed1fb7
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SSDEEP
12288:aMr7y90Bn1wz/ZIHwDTlY8TUs2MuX+4+wSRsFx3fDKxovL6p:By2olYSz2MuuUS+7fy
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/4504-14-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/4504-15-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/4504-16-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/4504-18-0x0000000000400000-0x0000000000433000-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/4948-22-0x0000000000400000-0x000000000043C000-memory.dmp family_redline -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
7Jl6py67.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation 7Jl6py67.exe -
Executes dropped EXE 4 IoCs
Processes:
za5JO91.exe1UE00Hu0.exe2yl7412.exe7Jl6py67.exepid Process 212 za5JO91.exe 2168 1UE00Hu0.exe 1068 2yl7412.exe 4164 7Jl6py67.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
za5JO91.exeNEAS.6a1d11ef3a0d25efc377827f0565c6da1efc4b7d421fc66e02777b6aa92d6871.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\\\"" za5JO91.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.6a1d11ef3a0d25efc377827f0565c6da1efc4b7d421fc66e02777b6aa92d6871.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
1UE00Hu0.exe2yl7412.exedescription pid Process procid_target PID 2168 set thread context of 4504 2168 1UE00Hu0.exe 93 PID 1068 set thread context of 4948 1068 2yl7412.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 2928 4504 WerFault.exe 93 -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
NEAS.6a1d11ef3a0d25efc377827f0565c6da1efc4b7d421fc66e02777b6aa92d6871.exeza5JO91.exe1UE00Hu0.exe2yl7412.exe7Jl6py67.exedescription pid Process procid_target PID 3544 wrote to memory of 212 3544 NEAS.6a1d11ef3a0d25efc377827f0565c6da1efc4b7d421fc66e02777b6aa92d6871.exe 88 PID 3544 wrote to memory of 212 3544 NEAS.6a1d11ef3a0d25efc377827f0565c6da1efc4b7d421fc66e02777b6aa92d6871.exe 88 PID 3544 wrote to memory of 212 3544 NEAS.6a1d11ef3a0d25efc377827f0565c6da1efc4b7d421fc66e02777b6aa92d6871.exe 88 PID 212 wrote to memory of 2168 212 za5JO91.exe 89 PID 212 wrote to memory of 2168 212 za5JO91.exe 89 PID 212 wrote to memory of 2168 212 za5JO91.exe 89 PID 2168 wrote to memory of 3484 2168 1UE00Hu0.exe 92 PID 2168 wrote to memory of 3484 2168 1UE00Hu0.exe 92 PID 2168 wrote to memory of 3484 2168 1UE00Hu0.exe 92 PID 2168 wrote to memory of 4504 2168 1UE00Hu0.exe 93 PID 2168 wrote to memory of 4504 2168 1UE00Hu0.exe 93 PID 2168 wrote to memory of 4504 2168 1UE00Hu0.exe 93 PID 2168 wrote to memory of 4504 2168 1UE00Hu0.exe 93 PID 2168 wrote to memory of 4504 2168 1UE00Hu0.exe 93 PID 2168 wrote to memory of 4504 2168 1UE00Hu0.exe 93 PID 2168 wrote to memory of 4504 2168 1UE00Hu0.exe 93 PID 2168 wrote to memory of 4504 2168 1UE00Hu0.exe 93 PID 2168 wrote to memory of 4504 2168 1UE00Hu0.exe 93 PID 2168 wrote to memory of 4504 2168 1UE00Hu0.exe 93 PID 212 wrote to memory of 1068 212 za5JO91.exe 95 PID 212 wrote to memory of 1068 212 za5JO91.exe 95 PID 212 wrote to memory of 1068 212 za5JO91.exe 95 PID 1068 wrote to memory of 4948 1068 2yl7412.exe 97 PID 1068 wrote to memory of 4948 1068 2yl7412.exe 97 PID 1068 wrote to memory of 4948 1068 2yl7412.exe 97 PID 1068 wrote to memory of 4948 1068 2yl7412.exe 97 PID 1068 wrote to memory of 4948 1068 2yl7412.exe 97 PID 1068 wrote to memory of 4948 1068 2yl7412.exe 97 PID 1068 wrote to memory of 4948 1068 2yl7412.exe 97 PID 1068 wrote to memory of 4948 1068 2yl7412.exe 97 PID 3544 wrote to memory of 4164 3544 NEAS.6a1d11ef3a0d25efc377827f0565c6da1efc4b7d421fc66e02777b6aa92d6871.exe 99 PID 3544 wrote to memory of 4164 3544 NEAS.6a1d11ef3a0d25efc377827f0565c6da1efc4b7d421fc66e02777b6aa92d6871.exe 99 PID 3544 wrote to memory of 4164 3544 NEAS.6a1d11ef3a0d25efc377827f0565c6da1efc4b7d421fc66e02777b6aa92d6871.exe 99 PID 4164 wrote to memory of 2512 4164 7Jl6py67.exe 102 PID 4164 wrote to memory of 2512 4164 7Jl6py67.exe 102 PID 4164 wrote to memory of 2512 4164 7Jl6py67.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.6a1d11ef3a0d25efc377827f0565c6da1efc4b7d421fc66e02777b6aa92d6871.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.6a1d11ef3a0d25efc377827f0565c6da1efc4b7d421fc66e02777b6aa92d6871.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\za5JO91.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\za5JO91.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:212 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1UE00Hu0.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1UE00Hu0.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵PID:3484
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵PID:4504
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 5405⤵
- Program crash
PID:2928
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2yl7412.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2yl7412.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵PID:4948
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7Jl6py67.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\7Jl6py67.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4164 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "3⤵PID:2512
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4504 -ip 45041⤵PID:4920
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD523574eca000c96d4d01d0cbf5447c80e
SHA1b3d86a0b7d5327ea6380d49d247101325d10e36c
SHA2560202fa9f89cf4758770596aa69e85993e2fcd9500c546d71a2b3d217b6090a29
SHA512e2c27bbfd8a6f7d85d881bca74bb6b24a6e55f702c56f23ede4d76136c8dd589f56f6df1b989c3ab6e91a2c0be39c9b79c23ba7408b7cc0ac44d27c6ff29c0df
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Filesize
73KB
MD523574eca000c96d4d01d0cbf5447c80e
SHA1b3d86a0b7d5327ea6380d49d247101325d10e36c
SHA2560202fa9f89cf4758770596aa69e85993e2fcd9500c546d71a2b3d217b6090a29
SHA512e2c27bbfd8a6f7d85d881bca74bb6b24a6e55f702c56f23ede4d76136c8dd589f56f6df1b989c3ab6e91a2c0be39c9b79c23ba7408b7cc0ac44d27c6ff29c0df
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Filesize
389KB
MD50406905e8736b80d0500a4036f0ffdf1
SHA1ac97268be80f46ee6e859058e2c3870ad1d2508b
SHA256f26ac4a90ae898eba6c686fcaa740b773a17993c0b0059db16ef3c232b888f61
SHA512c32651db858f5f62f6552057807bc8f3904d1216b74e69531e53a600d2289bc41d0680de216b9ae370a7c927c4763ff674d6b6a5dcee84d9c249ad21f889e7d0
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Filesize
389KB
MD50406905e8736b80d0500a4036f0ffdf1
SHA1ac97268be80f46ee6e859058e2c3870ad1d2508b
SHA256f26ac4a90ae898eba6c686fcaa740b773a17993c0b0059db16ef3c232b888f61
SHA512c32651db858f5f62f6552057807bc8f3904d1216b74e69531e53a600d2289bc41d0680de216b9ae370a7c927c4763ff674d6b6a5dcee84d9c249ad21f889e7d0
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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