Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
01-06-2024 18:19
Static task
static1
Behavioral task
behavioral1
Sample
76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar
Resource
win10v2004-20240508-en
General
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Target
76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar
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Size
452KB
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MD5
4272ed6a573f28f978be8ea5b1366191
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SHA1
3e965894f332f4f73f860ac4d1818734a3ca3553
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SHA256
76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825
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SHA512
d9ba1e3422280bbfe8cc5799de6e77bf842db7923ba2d2c84c1a46e906c18fbc2c2ab3cdc4ea9885956f63d234506f63b6a1cf0554b7bf0dcbc0c8039537b61d
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SSDEEP
12288:qUlrCGWuhkqH/MZQn1QpGrolfA0TzMheQZ7TYNGT:vCGWuKqfg86Kolf1TzMheQZ3iI
Malware Config
Signatures
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Drops startup file 1 IoCs
Processes:
java.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid Process 2192 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar\"" java.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 36 ip-api.com -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
WMIC.exeWMIC.exedescription pid Process Token: SeIncreaseQuotaPrivilege 1972 WMIC.exe Token: SeSecurityPrivilege 1972 WMIC.exe Token: SeTakeOwnershipPrivilege 1972 WMIC.exe Token: SeLoadDriverPrivilege 1972 WMIC.exe Token: SeSystemProfilePrivilege 1972 WMIC.exe Token: SeSystemtimePrivilege 1972 WMIC.exe Token: SeProfSingleProcessPrivilege 1972 WMIC.exe Token: SeIncBasePriorityPrivilege 1972 WMIC.exe Token: SeCreatePagefilePrivilege 1972 WMIC.exe Token: SeBackupPrivilege 1972 WMIC.exe Token: SeRestorePrivilege 1972 WMIC.exe Token: SeShutdownPrivilege 1972 WMIC.exe Token: SeDebugPrivilege 1972 WMIC.exe Token: SeSystemEnvironmentPrivilege 1972 WMIC.exe Token: SeRemoteShutdownPrivilege 1972 WMIC.exe Token: SeUndockPrivilege 1972 WMIC.exe Token: SeManageVolumePrivilege 1972 WMIC.exe Token: 33 1972 WMIC.exe Token: 34 1972 WMIC.exe Token: 35 1972 WMIC.exe Token: 36 1972 WMIC.exe Token: SeIncreaseQuotaPrivilege 1972 WMIC.exe Token: SeSecurityPrivilege 1972 WMIC.exe Token: SeTakeOwnershipPrivilege 1972 WMIC.exe Token: SeLoadDriverPrivilege 1972 WMIC.exe Token: SeSystemProfilePrivilege 1972 WMIC.exe Token: SeSystemtimePrivilege 1972 WMIC.exe Token: SeProfSingleProcessPrivilege 1972 WMIC.exe Token: SeIncBasePriorityPrivilege 1972 WMIC.exe Token: SeCreatePagefilePrivilege 1972 WMIC.exe Token: SeBackupPrivilege 1972 WMIC.exe Token: SeRestorePrivilege 1972 WMIC.exe Token: SeShutdownPrivilege 1972 WMIC.exe Token: SeDebugPrivilege 1972 WMIC.exe Token: SeSystemEnvironmentPrivilege 1972 WMIC.exe Token: SeRemoteShutdownPrivilege 1972 WMIC.exe Token: SeUndockPrivilege 1972 WMIC.exe Token: SeManageVolumePrivilege 1972 WMIC.exe Token: 33 1972 WMIC.exe Token: 34 1972 WMIC.exe Token: 35 1972 WMIC.exe Token: 36 1972 WMIC.exe Token: SeIncreaseQuotaPrivilege 4452 WMIC.exe Token: SeSecurityPrivilege 4452 WMIC.exe Token: SeTakeOwnershipPrivilege 4452 WMIC.exe Token: SeLoadDriverPrivilege 4452 WMIC.exe Token: SeSystemProfilePrivilege 4452 WMIC.exe Token: SeSystemtimePrivilege 4452 WMIC.exe Token: SeProfSingleProcessPrivilege 4452 WMIC.exe Token: SeIncBasePriorityPrivilege 4452 WMIC.exe Token: SeCreatePagefilePrivilege 4452 WMIC.exe Token: SeBackupPrivilege 4452 WMIC.exe Token: SeRestorePrivilege 4452 WMIC.exe Token: SeShutdownPrivilege 4452 WMIC.exe Token: SeDebugPrivilege 4452 WMIC.exe Token: SeSystemEnvironmentPrivilege 4452 WMIC.exe Token: SeRemoteShutdownPrivilege 4452 WMIC.exe Token: SeUndockPrivilege 4452 WMIC.exe Token: SeManageVolumePrivilege 4452 WMIC.exe Token: 33 4452 WMIC.exe Token: 34 4452 WMIC.exe Token: 35 4452 WMIC.exe Token: 36 4452 WMIC.exe Token: SeIncreaseQuotaPrivilege 4452 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
java.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 1956 wrote to memory of 2892 1956 java.exe 83 PID 1956 wrote to memory of 2892 1956 java.exe 83 PID 1956 wrote to memory of 3124 1956 java.exe 91 PID 1956 wrote to memory of 3124 1956 java.exe 91 PID 3124 wrote to memory of 4652 3124 java.exe 95 PID 3124 wrote to memory of 4652 3124 java.exe 95 PID 3124 wrote to memory of 2192 3124 java.exe 97 PID 3124 wrote to memory of 2192 3124 java.exe 97 PID 4652 wrote to memory of 3000 4652 cmd.exe 99 PID 4652 wrote to memory of 3000 4652 cmd.exe 99 PID 2192 wrote to memory of 4108 2192 java.exe 100 PID 2192 wrote to memory of 4108 2192 java.exe 100 PID 4108 wrote to memory of 1972 4108 cmd.exe 102 PID 4108 wrote to memory of 1972 4108 cmd.exe 102 PID 2192 wrote to memory of 3656 2192 java.exe 103 PID 2192 wrote to memory of 3656 2192 java.exe 103 PID 3656 wrote to memory of 4452 3656 cmd.exe 105 PID 3656 wrote to memory of 4452 3656 cmd.exe 105 PID 2192 wrote to memory of 3276 2192 java.exe 106 PID 2192 wrote to memory of 3276 2192 java.exe 106 PID 3276 wrote to memory of 3440 3276 cmd.exe 108 PID 3276 wrote to memory of 3440 3276 cmd.exe 108 PID 2192 wrote to memory of 3232 2192 java.exe 109 PID 2192 wrote to memory of 3232 2192 java.exe 109 PID 3232 wrote to memory of 3616 3232 cmd.exe 111 PID 3232 wrote to memory of 3616 3232 cmd.exe 111 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1956 -
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:2892
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C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3124 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar"4⤵
- Creates scheduled task(s)
PID:3000
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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\Roaming\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2192 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:4108 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1972
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:3656 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4452
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:3276 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:3440
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:3232 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:3616
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD5a0900e4aedd28c193fef6f0e39e6a129
SHA16c6223ef9f51ebed0730d66771ff00e5d90ba466
SHA256abddb3c8e16cc3d7e54375c8d5c357852d90a4ed448c8fa7dd723bfd3653c359
SHA512503cf8bd56a122f893c1c984ebde8cd97a190901810b2bdb9891b9a756a7c7f11ec76b4d7634636d42afede3a717e82f1d69d34afbcef77db2a883aaf0f6e0e5
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
452KB
MD54272ed6a573f28f978be8ea5b1366191
SHA13e965894f332f4f73f860ac4d1818734a3ca3553
SHA25676b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825
SHA512d9ba1e3422280bbfe8cc5799de6e77bf842db7923ba2d2c84c1a46e906c18fbc2c2ab3cdc4ea9885956f63d234506f63b6a1cf0554b7bf0dcbc0c8039537b61d
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2804150937-2146708401-419095071-1000\83aa4cc77f591dfc2374580bbd95f6ba_5a32ead2-14a8-4b34-b6a3-85cfb28e2fbd
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d