Overview
overview
10Static
static
30805913f50...13.exe
windows10-2004-x64
1011eba51293...3a.exe
windows10-2004-x64
1017a0568b20...3a.exe
windows10-2004-x64
10346c46bc82...26.exe
windows10-2004-x64
104867af9d5d...1f.exe
windows10-2004-x64
105f2f269e1f...9a.exe
windows10-2004-x64
1064e73ef21d...a1.exe
windows10-2004-x64
107c556f6f80...61.exe
windows10-2004-x64
108c970cc94c...d3.exe
windows10-2004-x64
109296923f57...24.exe
windows10-2004-x64
10ae96a881fd...69.exe
windows10-2004-x64
10b150b2b6ed...d5.exe
windows10-2004-x64
10c1b0ce286b...51.exe
windows10-2004-x64
10c1d1b117a2...35.exe
windows10-2004-x64
10d876400b35...04.exe
windows10-2004-x64
10eb3bd6af82...52.exe
windows10-2004-x64
10eb7c2e9dc2...28.exe
windows10-2004-x64
10ed2eb0d5dc...bf.exe
windows10-2004-x64
10fc2a396813...13.exe
windows10-2004-x64
10fd4ce916b7...90.exe
windows10-2004-x64
10Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 18:47
Static task
static1
Behavioral task
behavioral1
Sample
0805913f5039b1097cf6d0b178560036e0b99e52f86b3990bf7bd4b663d15513.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
11eba512939d3d17bcd0d5543f3a05dac69c96858fbb7120b8802814391c413a.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
17a0568b2023370d14f35371e9d7c372589b91d4098eecace76d78c9a7587d3a.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral4
Sample
346c46bc8283ae44fe76d91bebdf5c933515cb6b55b0e4f1dd25ca7a64a0a726.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
4867af9d5dda04a5ea012b876f663ee94f708e52fd230c829517d4b2b83e9d1f.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral6
Sample
5f2f269e1f9905fb92ad987badd2a5b73d7a44e072d374b4e040c95e30b5c69a.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
64e73ef21d2b9d5819334be729f07ac670e6fa83111bc1b666abffc261bc2da1.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral8
Sample
7c556f6f80bf250c2ce70d007250b6906c79d457969a75a3f17dc9885daf8761.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
8c970cc94c6aab0b503af6d60e60f5c6c870576c82be9233ab884894899a97d3.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral10
Sample
9296923f571779b37e571b296a597c9c5eb71a0a616bfd3ddab9f7d20c509c24.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
ae96a881fddd0471c5a462a0b27848d72c34ba866c6061e0f84ab3a1097a7a69.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral12
Sample
b150b2b6edd507299c5ac9c6a165df425596a5b2a6f78c7ee7594e3f19a28fd5.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral13
Sample
c1b0ce286b7a31d1ab1a8fca661afccb95aaaf56a8fa6b4a311da0a284b09351.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral14
Sample
c1d1b117a294542d27caa4ebc382b5fc76b02e11a9e65fa6db0a33433cb6e435.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral15
Sample
d876400b35d912e211572e1acd02738c757f24f8adf82ea7ac3ce91f74c8e404.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral16
Sample
eb3bd6af828d49516b571018684b6f164a7f79bb71c38674e37a085ab5813352.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
eb7c2e9dc2416d5168ea11cdee85ea662e4aa32921edbe521787e1a7dcc79228.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral18
Sample
ed2eb0d5dcf8c04d4b8381812154164abb842db1d4f3059e6d7d12293004ffbf.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral19
Sample
fc2a3968133c3c96ae55dfdd56ca5b4dd51ed30658a98d55193b96e1533f4013.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral20
Sample
fd4ce916b77ccd6023667af48e2052df3bebb66cde59b34f1002b2799e6a4890.exe
Resource
win10v2004-20240508-en
General
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Target
7c556f6f80bf250c2ce70d007250b6906c79d457969a75a3f17dc9885daf8761.exe
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Size
319KB
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MD5
6d8e57ec9fb40242960e48d22f43a496
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SHA1
bae3e231233d07ab1aa2262999e1934666a1a79a
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SHA256
7c556f6f80bf250c2ce70d007250b6906c79d457969a75a3f17dc9885daf8761
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SHA512
7f411509e2a98d9fbd24805093b3cdecfaa0c2d16b7dc579b1fa1ec5b32786a796c1ccec4cd04078592954680dc9ce6638eccb2b51decf5ce46b6277f87458b6
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SSDEEP
6144:KLy+bnr+vp0yN90QEzrKEP3ve7yRfsK6KRFjEXtaBv7FlbeVeR4No5/Z:pMrvy90BKU/e7RK6KRdEXYp7f6VG4N2Z
Malware Config
Extracted
amadey
3.87
59b440
http://77.91.68.18
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install_dir
b40d11255d
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install_file
saves.exe
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strings_key
fa622dfc42544927a6471829ee1fa9fe
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url_paths
/nice/index.php
Signatures
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Detect Mystic stealer payload 1 IoCs
resource yara_rule behavioral8/files/0x0007000000023418-17.dat mystic_family -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation saves.exe Key value queried \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation b2203497.exe -
Executes dropped EXE 5 IoCs
pid Process 1844 b2203497.exe 1768 saves.exe 1564 c5295777.exe 4500 saves.exe 4536 saves.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description 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\\\"" 7c556f6f80bf250c2ce70d007250b6906c79d457969a75a3f17dc9885daf8761.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 804 schtasks.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 3212 wrote to memory of 1844 3212 7c556f6f80bf250c2ce70d007250b6906c79d457969a75a3f17dc9885daf8761.exe 83 PID 3212 wrote to memory of 1844 3212 7c556f6f80bf250c2ce70d007250b6906c79d457969a75a3f17dc9885daf8761.exe 83 PID 3212 wrote to memory of 1844 3212 7c556f6f80bf250c2ce70d007250b6906c79d457969a75a3f17dc9885daf8761.exe 83 PID 1844 wrote to memory of 1768 1844 b2203497.exe 84 PID 1844 wrote to memory of 1768 1844 b2203497.exe 84 PID 1844 wrote to memory of 1768 1844 b2203497.exe 84 PID 3212 wrote to memory of 1564 3212 7c556f6f80bf250c2ce70d007250b6906c79d457969a75a3f17dc9885daf8761.exe 85 PID 3212 wrote to memory of 1564 3212 7c556f6f80bf250c2ce70d007250b6906c79d457969a75a3f17dc9885daf8761.exe 85 PID 3212 wrote to memory of 1564 3212 7c556f6f80bf250c2ce70d007250b6906c79d457969a75a3f17dc9885daf8761.exe 85 PID 1768 wrote to memory of 804 1768 saves.exe 86 PID 1768 wrote to memory of 804 1768 saves.exe 86 PID 1768 wrote to memory of 804 1768 saves.exe 86 PID 1768 wrote to memory of 3364 1768 saves.exe 88 PID 1768 wrote to memory of 3364 1768 saves.exe 88 PID 1768 wrote to memory of 3364 1768 saves.exe 88 PID 3364 wrote to memory of 2500 3364 cmd.exe 90 PID 3364 wrote to memory of 2500 3364 cmd.exe 90 PID 3364 wrote to memory of 2500 3364 cmd.exe 90 PID 3364 wrote to memory of 2884 3364 cmd.exe 91 PID 3364 wrote to memory of 2884 3364 cmd.exe 91 PID 3364 wrote to memory of 2884 3364 cmd.exe 91 PID 3364 wrote to memory of 4624 3364 cmd.exe 92 PID 3364 wrote to memory of 4624 3364 cmd.exe 92 PID 3364 wrote to memory of 4624 3364 cmd.exe 92 PID 3364 wrote to memory of 3160 3364 cmd.exe 93 PID 3364 wrote to memory of 3160 3364 cmd.exe 93 PID 3364 wrote to memory of 3160 3364 cmd.exe 93 PID 3364 wrote to memory of 116 3364 cmd.exe 94 PID 3364 wrote to memory of 116 3364 cmd.exe 94 PID 3364 wrote to memory of 116 3364 cmd.exe 94 PID 3364 wrote to memory of 4988 3364 cmd.exe 95 PID 3364 wrote to memory of 4988 3364 cmd.exe 95 PID 3364 wrote to memory of 4988 3364 cmd.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\7c556f6f80bf250c2ce70d007250b6906c79d457969a75a3f17dc9885daf8761.exe"C:\Users\Admin\AppData\Local\Temp\7c556f6f80bf250c2ce70d007250b6906c79d457969a75a3f17dc9885daf8761.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3212 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b2203497.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b2203497.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN saves.exe /TR "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe" /F4⤵
- Creates scheduled task(s)
PID:804
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "saves.exe" /P "Admin:N"&&CACLS "saves.exe" /P "Admin:R" /E&&echo Y|CACLS "..\b40d11255d" /P "Admin:N"&&CACLS "..\b40d11255d" /P "Admin:R" /E&&Exit4⤵
- Suspicious use of WriteProcessMemory
PID:3364 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:2500
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C:\Windows\SysWOW64\cacls.exeCACLS "saves.exe" /P "Admin:N"5⤵PID:2884
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C:\Windows\SysWOW64\cacls.exeCACLS "saves.exe" /P "Admin:R" /E5⤵PID:4624
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:3160
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C:\Windows\SysWOW64\cacls.exeCACLS "..\b40d11255d" /P "Admin:N"5⤵PID:116
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C:\Windows\SysWOW64\cacls.exeCACLS "..\b40d11255d" /P "Admin:R" /E5⤵PID:4988
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c5295777.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c5295777.exe2⤵
- Executes dropped EXE
PID:1564
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:4500
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:4536
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
337KB
MD53985448e035bbcd9303faacb4d2e1b79
SHA103bc49eec6f06d15fd325a34a9418d4611bea5fc
SHA2565f15c1690c75307d9c4562700810191c8dc58f5e75b55ad8fead67ed5d5122fd
SHA512a7f996e8a128dd423839ffc464329acd20fa28f278f54f4a0fdc43a063086da8a62c3cdc2390e259ef10881d3abb0049355b6f83d354441cbe82e17827fad129
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Filesize
142KB
MD5d0a76c920e396c48fbdb875731a212fb
SHA1bb8ff71247df58f4a334f8d3f87b5bd6cd8b9843
SHA256555172ac9ed0a7f740a129155e79992f4b57200d86ddce1d22da210ec296e12f
SHA512a53d18d56a17c666426d1cc47e89331948ef86648ea50726af9137bb08c2e1e00a003366f2f69b4b8123a5436d6322ef1a97ab3df2df80dae7483c0e8fb1c8c4