Analysis
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max time kernel
139s -
max time network
154s -
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 10:17
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe
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Size
511KB
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MD5
c406d90bbc2fad9222280566d3b659b9
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SHA1
d9265440a00860179434d4b93f65a89cbfdab5b2
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SHA256
379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16
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SHA512
8beae246a21a9cd033a99a5674994347891b57b7546a21784bebe5f4ba157b5313b2e561e99b9682119b7ec2f5363101a1b0309b0b9dc0f840ac62fd08787c27
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SSDEEP
12288:KMrcy90ZcJgpnowHjG9Y8TUs2euF+4+wSRoFCrGYj:OySGYSz2eu4USGAt
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/1284-14-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/1284-15-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/1284-16-0x0000000000400000-0x0000000000433000-memory.dmp mystic_family behavioral1/memory/1284-18-0x0000000000400000-0x0000000000433000-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/964-22-0x0000000000400000-0x000000000043C000-memory.dmp family_redline -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
5PB30JC.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation 5PB30JC.exe -
Executes dropped EXE 4 IoCs
Processes:
DK9ZL92.exe3LS347IR.exe4by5Yn0.exe5PB30JC.exepid Process 3032 DK9ZL92.exe 1728 3LS347IR.exe 5112 4by5Yn0.exe 3120 5PB30JC.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
DK9ZL92.exeNEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.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\\\"" DK9ZL92.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.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
3LS347IR.exe4by5Yn0.exedescription pid Process procid_target PID 1728 set thread context of 1284 1728 3LS347IR.exe 79 PID 5112 set thread context of 964 5112 4by5Yn0.exe 96 -
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 4276 1284 WerFault.exe 79 -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exeDK9ZL92.exe3LS347IR.exe4by5Yn0.exe5PB30JC.exedescription pid Process procid_target PID 552 wrote to memory of 3032 552 NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe 51 PID 552 wrote to memory of 3032 552 NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe 51 PID 552 wrote to memory of 3032 552 NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe 51 PID 3032 wrote to memory of 1728 3032 DK9ZL92.exe 57 PID 3032 wrote to memory of 1728 3032 DK9ZL92.exe 57 PID 3032 wrote to memory of 1728 3032 DK9ZL92.exe 57 PID 1728 wrote to memory of 1284 1728 3LS347IR.exe 79 PID 1728 wrote to memory of 1284 1728 3LS347IR.exe 79 PID 1728 wrote to memory of 1284 1728 3LS347IR.exe 79 PID 1728 wrote to memory of 1284 1728 3LS347IR.exe 79 PID 1728 wrote to memory of 1284 1728 3LS347IR.exe 79 PID 1728 wrote to memory of 1284 1728 3LS347IR.exe 79 PID 1728 wrote to memory of 1284 1728 3LS347IR.exe 79 PID 1728 wrote to memory of 1284 1728 3LS347IR.exe 79 PID 1728 wrote to memory of 1284 1728 3LS347IR.exe 79 PID 1728 wrote to memory of 1284 1728 3LS347IR.exe 79 PID 3032 wrote to memory of 5112 3032 DK9ZL92.exe 91 PID 3032 wrote to memory of 5112 3032 DK9ZL92.exe 91 PID 3032 wrote to memory of 5112 3032 DK9ZL92.exe 91 PID 5112 wrote to memory of 964 5112 4by5Yn0.exe 96 PID 5112 wrote to memory of 964 5112 4by5Yn0.exe 96 PID 5112 wrote to memory of 964 5112 4by5Yn0.exe 96 PID 5112 wrote to memory of 964 5112 4by5Yn0.exe 96 PID 5112 wrote to memory of 964 5112 4by5Yn0.exe 96 PID 5112 wrote to memory of 964 5112 4by5Yn0.exe 96 PID 5112 wrote to memory of 964 5112 4by5Yn0.exe 96 PID 5112 wrote to memory of 964 5112 4by5Yn0.exe 96 PID 552 wrote to memory of 3120 552 NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe 98 PID 552 wrote to memory of 3120 552 NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe 98 PID 552 wrote to memory of 3120 552 NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe 98 PID 3120 wrote to memory of 4840 3120 5PB30JC.exe 102 PID 3120 wrote to memory of 4840 3120 5PB30JC.exe 102 PID 3120 wrote to memory of 4840 3120 5PB30JC.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.379259ec31109c121dbd221d0e04d416ab1916e94f8f1f8c582ab595ef399f16.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:552 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DK9ZL92.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DK9ZL92.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3LS347IR.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3LS347IR.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵PID:1284
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 1925⤵
- Program crash
PID:4276
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4by5Yn0.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\4by5Yn0.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵PID:964
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5PB30JC.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5PB30JC.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3120 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\is64.bat" "3⤵PID:4840
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1284 -ip 12841⤵PID:4788
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD53f44aaa76ca16c2f5b764466ae86f4bd
SHA14fbb5ed740ce34bac7dc2cec56256751188bdc5c
SHA2561215eb93fcba15eabbc1017c3d8a9da2f4afaaa7ae0969fbfc785b89293d649e
SHA51260a3dff7e970e63983f0c843c3e22296c8d684ce874d683d9b9e22faee239f773206015b6378600f4dc448d952614e5b8a8f009f71e0bba5e211da30f928560e
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Filesize
73KB
MD53f44aaa76ca16c2f5b764466ae86f4bd
SHA14fbb5ed740ce34bac7dc2cec56256751188bdc5c
SHA2561215eb93fcba15eabbc1017c3d8a9da2f4afaaa7ae0969fbfc785b89293d649e
SHA51260a3dff7e970e63983f0c843c3e22296c8d684ce874d683d9b9e22faee239f773206015b6378600f4dc448d952614e5b8a8f009f71e0bba5e211da30f928560e
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Filesize
389KB
MD515fdf661d1e428cca7f12b8b4080e7b1
SHA1116a3045e2be2c0b98a37884638f46c4b2bee243
SHA2563858429c413d76594b2e6c68b0d56aad98cb5cf8b606c0529ca6114b48dbd1ed
SHA5128e01f9262d9c0249811b4a8af9de72b6fc113fc0e142ff65cbe5cdd9af389072cead20d1b036208fe81d7a5bd519a9d26639a69b0e51c2baaf3638c688e0c10d
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Filesize
389KB
MD515fdf661d1e428cca7f12b8b4080e7b1
SHA1116a3045e2be2c0b98a37884638f46c4b2bee243
SHA2563858429c413d76594b2e6c68b0d56aad98cb5cf8b606c0529ca6114b48dbd1ed
SHA5128e01f9262d9c0249811b4a8af9de72b6fc113fc0e142ff65cbe5cdd9af389072cead20d1b036208fe81d7a5bd519a9d26639a69b0e51c2baaf3638c688e0c10d
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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