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Analysis
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max time kernel
137s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19/01/2024, 16:12
Static task
static1
Behavioral task
behavioral1
Sample
681105abdc5d0c0343775b60daf355f0.jar
Resource
win7-20231215-en
General
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Target
681105abdc5d0c0343775b60daf355f0.jar
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Size
628KB
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MD5
681105abdc5d0c0343775b60daf355f0
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SHA1
19df3c8b66be211e6cb1cc01cf7c7eff5064fc8b
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SHA256
9de696d1d6fb1228d3697b7be4e628d6489c4bc2dcfacc54b1fb282fe4fbebe9
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SHA512
649fe254c397cace915c1348da5e8a6f35621a9a29ce720261e824fb91efe4d5b6276edb54ecdf9e606f2046c68b0ef5c5a1ed1a405585591f5856c9fe32893b
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SSDEEP
12288:p9JFYoYph7hbhUItEv1GUSSoPwokLOqf5SEmkkjB0bCSoZiZ3znQBu:p97YoYt7oSjYOKSEUBwoZiZ3zQY
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\UTKfCExmNp.js WScript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\UTKfCExmNp.js WScript.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1660 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\UTKfCExmNp.js\"" WScript.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\test.txt javaw.exe -
Drops file in Program Files directory 12 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb java.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 12 IoCs
pid Process 3596 taskkill.exe 3872 taskkill.exe 3512 taskkill.exe 392 taskkill.exe 2644 taskkill.exe 1176 taskkill.exe 4960 taskkill.exe 4620 taskkill.exe 4032 taskkill.exe 3612 taskkill.exe 4900 taskkill.exe 3408 taskkill.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000_Classes\Local Settings wscript.exe -
Runs .reg file with regedit 1 IoCs
pid Process 4284 regedit.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3960 javaw.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 4348 wrote to memory of 1660 4348 java.exe 87 PID 4348 wrote to memory of 1660 4348 java.exe 87 PID 4348 wrote to memory of 4712 4348 java.exe 89 PID 4348 wrote to memory of 4712 4348 java.exe 89 PID 4712 wrote to memory of 2296 4712 wscript.exe 92 PID 4712 wrote to memory of 2296 4712 wscript.exe 92 PID 4712 wrote to memory of 3960 4712 wscript.exe 93 PID 4712 wrote to memory of 3960 4712 wscript.exe 93 PID 3960 wrote to memory of 816 3960 javaw.exe 95 PID 3960 wrote to memory of 816 3960 javaw.exe 95 PID 3960 wrote to memory of 2964 3960 javaw.exe 98 PID 3960 wrote to memory of 2964 3960 javaw.exe 98 PID 2964 wrote to memory of 776 2964 cmd.exe 100 PID 2964 wrote to memory of 776 2964 cmd.exe 100 PID 3960 wrote to memory of 4444 3960 javaw.exe 101 PID 3960 wrote to memory of 4444 3960 javaw.exe 101 PID 4444 wrote to memory of 3608 4444 cmd.exe 103 PID 4444 wrote to memory of 3608 4444 cmd.exe 103 PID 3960 wrote to memory of 452 3960 javaw.exe 104 PID 3960 wrote to memory of 452 3960 javaw.exe 104 PID 3960 wrote to memory of 2856 3960 javaw.exe 106 PID 3960 wrote to memory of 2856 3960 javaw.exe 106
Processes
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\681105abdc5d0c0343775b60daf355f0.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4348 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
PID:1660
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C:\Windows\SYSTEM32\wscript.exewscript C:\Users\Admin\_output.js2⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\UTKfCExmNp.js"3⤵
- Drops startup file
- Adds Run key to start application
PID:2296
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C:\Program Files\Java\jre-1.8\bin\javaw.exe"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\oerohpmjgw.txt"3⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3960 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.181915407751703231708313605024771159.class4⤵
- Drops file in Program Files directory
PID:816
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C:\Windows\SYSTEM32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7983307309297210335.vbs4⤵
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7983307309297210335.vbs5⤵PID:776
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C:\Windows\SYSTEM32\cmd.execmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive1210419822849597510.vbs4⤵
- Suspicious use of WriteProcessMemory
PID:4444 -
C:\Windows\system32\cscript.execscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive1210419822849597510.vbs5⤵PID:3608
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C:\Windows\SYSTEM32\xcopy.exexcopy "C:\Program Files\Java\jre-1.8" "C:\Users\Admin\AppData\Roaming\Oracle\" /e4⤵PID:452
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C:\Windows\SYSTEM32\cmd.execmd.exe4⤵PID:2856
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C:\Windows\SYSTEM32\taskkill.exetaskkill /IM UserAccountControlSettings.exe /T /F4⤵
- Kills process with taskkill
PID:3612
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C:\Windows\SYSTEM32\cmd.execmd.exe /c regedit.exe /s C:\Users\Admin\AppData\Local\Temp\FpLeALCXQW3175811571200176964.reg4⤵PID:2544
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C:\Windows\regedit.exeregedit.exe /s C:\Users\Admin\AppData\Local\Temp\FpLeALCXQW3175811571200176964.reg5⤵
- Runs .reg file with regedit
PID:4284
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C:\Windows\SYSTEM32\taskkill.exetaskkill /IM ProcessHacker.exe /T /F4⤵
- Kills process with taskkill
PID:392
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C:\Windows\SYSTEM32\taskkill.exetaskkill /IM procexp.exe /T /F4⤵
- Kills process with taskkill
PID:2644
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C:\Windows\SYSTEM32\taskkill.exetaskkill /IM procexp.exe /T /F4⤵
- Kills process with taskkill
PID:1176
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C:\Windows\SYSTEM32\taskkill.exetaskkill /IM wireshark.exe /T /F4⤵
- Kills process with taskkill
PID:4960
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C:\Windows\SYSTEM32\taskkill.exetaskkill /IM tshark.exe /T /F4⤵
- Kills process with taskkill
PID:4620
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C:\Windows\SYSTEM32\taskkill.exetaskkill /IM text2pcap.exe /T /F4⤵
- Kills process with taskkill
PID:3596
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C:\Windows\SYSTEM32\taskkill.exetaskkill /IM rawshark.exe /T /F4⤵
- Kills process with taskkill
PID:3872
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C:\Windows\SYSTEM32\taskkill.exetaskkill /IM mergecap.exe /T /F4⤵
- Kills process with taskkill
PID:3512
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C:\Windows\SYSTEM32\taskkill.exetaskkill /IM editcap.exe /T /F4⤵
- Kills process with taskkill
PID:4032
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C:\Windows\SYSTEM32\taskkill.exetaskkill /IM dumpcap.exe /T /F4⤵
- Kills process with taskkill
PID:4900
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C:\Windows\SYSTEM32\taskkill.exetaskkill /IM capinfos.exe /T /F4⤵
- Kills process with taskkill
PID:3408
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD5a32013431db263b2ce5ccf17b71f1bdb
SHA18b951b1ebb677598942361258ce387c058437de5
SHA25665bb7276a65338fa6d69e2b83536480e58f61ced5a34c9eb02295daedec8ac1a
SHA51237f0befd704b66f61e9499dccd7115728cf95778f05f205cc09a82f1b79352acbdc86599f33e4b13ad5c01da5e577c107313d6588ed8493c62c50290917d71fb
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Filesize
46B
MD531aaa16fc07dfd012b308e6370e5c0ad
SHA117b4efc228bdf27c31b48cede6c3b6636b79336a
SHA2564413c4f50249600823ecf6d65c85b4a9f1e31f5198116fe7658eea6a02d08925
SHA512d3087277964e52e951a24a7682a3f39e1242d69b63dfb6d62c6b60fc1fa2ce24f38ef19358cf46511422b9cad40e07fe373fa9f1f9e2f45919b743099daef12a
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Filesize
26KB
MD5675937a27946a24657ba8a156bb04b82
SHA10636486ae91adb8f9ce433d8633b9560b7753361
SHA256d62d6ba92ee3bd5f9b603d0225dd81d2b9e7a561c4f30955866f52c8510ef1b0
SHA51228fb85560ad2a4f68e30d2989fba946c65708ecf57ac2a1ec815080084973869a8024a2dc41d4bb00cfeebe40d321e4cc1ae286ddc4bb92a0b12188771378647
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Filesize
281B
MD5a32c109297ed1ca155598cd295c26611
SHA1dc4a1fdbaad15ddd6fe22d3907c6b03727b71510
SHA25645bfe34aa3ef932f75101246eb53d032f5e7cf6d1f5b4e495334955a255f32e7
SHA51270372552dc86fe02ece9fe3b7721463f80be07a34126b2c75b41e30078cda9e90744c7d644df623f63d4fb985482e345b3351c4d3da873162152c67fc6ecc887
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Filesize
276B
MD53bdfd33017806b85949b6faa7d4b98e4
SHA1f92844fee69ef98db6e68931adfaa9a0a0f8ce66
SHA2569da575dd2d5b7c1e9bab8b51a16cde457b3371c6dcdb0537356cf1497fa868f6
SHA512ae5e5686ae71edef53e71cd842cb6799e4383b9c238a5c361b81647efa128d2fedf3bf464997771b5b0c47a058fecae7829aeedcd098c80a11008581e5781429
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Filesize
241KB
MD5781fb531354d6f291f1ccab48da6d39f
SHA19ce4518ebcb5be6d1f0b5477fa00c26860fe9a68
SHA25697d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9
SHA5123e6630f5feb4a3eb1dac7e9125ce14b1a2a45d7415cf44cea42bc51b2a9aa37169ee4a4c36c888c8f2696e7d6e298e2ad7b2f4c22868aaa5948210eb7db220d8
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Filesize
558KB
MD5bf78c15068d6671693dfcdfa5770d705
SHA14418c03c3161706a4349dfe3f97278e7a5d8962a
SHA256a88b8c1c8f27bf90fe960e0e8bd56984ad48167071af92d96ec1051f89f827fb
SHA5125b6b0ab4e82cc979eaa619d387c6995198fd19aa0c455bef44bd37a765685575d57448b3b4accd70d3bd20a6cd408b1f518eda0f6dae5aa106f225bee8291372
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Filesize
95KB
MD57415c1cc63a0c46983e2a32581daefee
SHA15f8534d79c84ac45ad09b5a702c8c5c288eae240
SHA256475ab98b7722e965bd38c8fa6ed23502309582ccf294ff1061cb290c7988f0d1
SHA5123d4b24061f72c0e957c7b04a0c4098c94c8f1afb4a7e159850b9939c7210d73398be6f27b5ab85073b4e8c999816e7804fef0f6115c39cd061f4aaeb4dcda8cf
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Filesize
36KB
MD5fcda37abd3d9e9d8170cd1cd15bf9d3f
SHA1b23ff3e9aa2287b9c1249a008c0ae06dc8b6fdf2
SHA2560579d460ea1f7e8a815fa55a8821a5ff489c8097f051765e9beaf25d8d0f27d6
SHA512de8be61499aaa1504dde8c19666844550c2ea7ef774ecbe26900834b252887da31d4cf4fb51338b16b6a4416de733e519ebf8c375eb03eb425232a6349da2257
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Filesize
3KB
MD5880baacb176553deab39edbe4b74380d
SHA137a57aad121c14c25e149206179728fa62203bf0
SHA256ff4a3a92bc92cb08d2c32c435810440fd264edd63e56efa39430e0240c835620
SHA5123039315bb283198af9090bd3d31cfae68ee73bc2b118bbae0b32812d4e3fd0f11ce962068d4a17b065dab9a66ef651b9cb8404c0a2defce74bb6b2d1d93646d5
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Filesize
153B
MD51e9d8f133a442da6b0c74d49bc84a341
SHA1259edc45b4569427e8319895a444f4295d54348f
SHA2561a1d3079d49583837662b84e11d8c0870698511d9110e710eb8e7eb20df7ae3b
SHA51263d6f70c8cab9735f0f857f5bf99e319f6ae98238dc7829dd706b7d6855c70be206e32e3e55df884402483cf8bebad00d139283af5c0b85dc1c5bf8f253acd37
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Filesize
9KB
MD5ad0c7ddce8b698fe384a4fe713eee19f
SHA188f09dc796a1a1efccd3aff70f814df4f8e17a12
SHA256d0114eaf2ec37c2b7d65d87c8a8afcc536470d3a03c3ce3b09ad662e5ae969ef
SHA5129476eff03863804fba347947a2b41e12f60ced3001b6892ea73361d50c660613754be463b850bbe7261b663d8fff4f4df4245225b78f7189c141bce64ebd8847
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Filesize
479KB
MD52bc77cbaca6f8ac04a0e4d698cf5133a
SHA134252120652ba3a20588aa557337538d21e5ed88
SHA256a87af64dfea31dd2e08ae33b9a595b37ed4fa1511f195caa498ee9d51199528c
SHA512fc14834e588ac87ea762a181ac12d1a59ca0fc60edb20ac1323493543760b641a6d9951c1bc3e04c66cf3692a284b793eff2cf9d8ab4050fb58d543780c24563
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Filesize
914KB
MD554d7a9612b5b6ae8d92d1dee6afc77ba
SHA1566c13b7d4499a7d74e627ce818e10a65d9e1f47
SHA25607b0274fcfd6bba6f5056eff77692987aeea03ff2fe978a5b8c097e842df5c41
SHA512539491dc967fd97292d7f945d02e0c439566a8e805da0da3e31bef2313c8b20895828f7fa11a9801e5f6d638a565e45fe5fd1fbf3b579c6e27b8b31a76c3bece