Analysis
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max time kernel
145s -
max time network
148s -
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 01:48
Static task
static1
Behavioral task
behavioral1
Sample
bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar
Resource
win10v2004-20240508-en
General
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Target
bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar
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Size
481KB
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MD5
95280ff1d28b3af85b570f55b0d113b8
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SHA1
6232e80612b3680de897ac40ba18f3e3ac03e3ff
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SHA256
bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887
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SHA512
4b9ba1bdd7603aee780de4a98d698ab786177d2acc5c13667181a7846f09f1953544a8e6e6373685fdbf5c3a31d11149f579773cd31bddb0291484c63c61d6b0
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SSDEEP
12288:S1lenKeQSPEkhDboZFIRb5hLpCG5JMUFyWJKct:SnenlfHo81EEyWZ
Malware Config
Signatures
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 620 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1284 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.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.
flow ioc 31 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.
pid Process 1304 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2440 WMIC.exe Token: SeSecurityPrivilege 2440 WMIC.exe Token: SeTakeOwnershipPrivilege 2440 WMIC.exe Token: SeLoadDriverPrivilege 2440 WMIC.exe Token: SeSystemProfilePrivilege 2440 WMIC.exe Token: SeSystemtimePrivilege 2440 WMIC.exe Token: SeProfSingleProcessPrivilege 2440 WMIC.exe Token: SeIncBasePriorityPrivilege 2440 WMIC.exe Token: SeCreatePagefilePrivilege 2440 WMIC.exe Token: SeBackupPrivilege 2440 WMIC.exe Token: SeRestorePrivilege 2440 WMIC.exe Token: SeShutdownPrivilege 2440 WMIC.exe Token: SeDebugPrivilege 2440 WMIC.exe Token: SeSystemEnvironmentPrivilege 2440 WMIC.exe Token: SeRemoteShutdownPrivilege 2440 WMIC.exe Token: SeUndockPrivilege 2440 WMIC.exe Token: SeManageVolumePrivilege 2440 WMIC.exe Token: 33 2440 WMIC.exe Token: 34 2440 WMIC.exe Token: 35 2440 WMIC.exe Token: 36 2440 WMIC.exe Token: SeIncreaseQuotaPrivilege 2440 WMIC.exe Token: SeSecurityPrivilege 2440 WMIC.exe Token: SeTakeOwnershipPrivilege 2440 WMIC.exe Token: SeLoadDriverPrivilege 2440 WMIC.exe Token: SeSystemProfilePrivilege 2440 WMIC.exe Token: SeSystemtimePrivilege 2440 WMIC.exe Token: SeProfSingleProcessPrivilege 2440 WMIC.exe Token: SeIncBasePriorityPrivilege 2440 WMIC.exe Token: SeCreatePagefilePrivilege 2440 WMIC.exe Token: SeBackupPrivilege 2440 WMIC.exe Token: SeRestorePrivilege 2440 WMIC.exe Token: SeShutdownPrivilege 2440 WMIC.exe Token: SeDebugPrivilege 2440 WMIC.exe Token: SeSystemEnvironmentPrivilege 2440 WMIC.exe Token: SeRemoteShutdownPrivilege 2440 WMIC.exe Token: SeUndockPrivilege 2440 WMIC.exe Token: SeManageVolumePrivilege 2440 WMIC.exe Token: 33 2440 WMIC.exe Token: 34 2440 WMIC.exe Token: 35 2440 WMIC.exe Token: 36 2440 WMIC.exe Token: SeIncreaseQuotaPrivilege 1404 WMIC.exe Token: SeSecurityPrivilege 1404 WMIC.exe Token: SeTakeOwnershipPrivilege 1404 WMIC.exe Token: SeLoadDriverPrivilege 1404 WMIC.exe Token: SeSystemProfilePrivilege 1404 WMIC.exe Token: SeSystemtimePrivilege 1404 WMIC.exe Token: SeProfSingleProcessPrivilege 1404 WMIC.exe Token: SeIncBasePriorityPrivilege 1404 WMIC.exe Token: SeCreatePagefilePrivilege 1404 WMIC.exe Token: SeBackupPrivilege 1404 WMIC.exe Token: SeRestorePrivilege 1404 WMIC.exe Token: SeShutdownPrivilege 1404 WMIC.exe Token: SeDebugPrivilege 1404 WMIC.exe Token: SeSystemEnvironmentPrivilege 1404 WMIC.exe Token: SeRemoteShutdownPrivilege 1404 WMIC.exe Token: SeUndockPrivilege 1404 WMIC.exe Token: SeManageVolumePrivilege 1404 WMIC.exe Token: 33 1404 WMIC.exe Token: 34 1404 WMIC.exe Token: 35 1404 WMIC.exe Token: 36 1404 WMIC.exe Token: SeIncreaseQuotaPrivilege 1404 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1824 wrote to memory of 1284 1824 java.exe 84 PID 1824 wrote to memory of 1284 1824 java.exe 84 PID 1824 wrote to memory of 380 1824 java.exe 93 PID 1824 wrote to memory of 380 1824 java.exe 93 PID 380 wrote to memory of 4708 380 java.exe 95 PID 380 wrote to memory of 4708 380 java.exe 95 PID 380 wrote to memory of 620 380 java.exe 96 PID 380 wrote to memory of 620 380 java.exe 96 PID 4708 wrote to memory of 1304 4708 cmd.exe 99 PID 4708 wrote to memory of 1304 4708 cmd.exe 99 PID 620 wrote to memory of 3776 620 java.exe 101 PID 620 wrote to memory of 3776 620 java.exe 101 PID 3776 wrote to memory of 2440 3776 cmd.exe 103 PID 3776 wrote to memory of 2440 3776 cmd.exe 103 PID 620 wrote to memory of 2072 620 java.exe 104 PID 620 wrote to memory of 2072 620 java.exe 104 PID 2072 wrote to memory of 1404 2072 cmd.exe 106 PID 2072 wrote to memory of 1404 2072 cmd.exe 106 PID 620 wrote to memory of 1612 620 java.exe 107 PID 620 wrote to memory of 1612 620 java.exe 107 PID 1612 wrote to memory of 4320 1612 cmd.exe 109 PID 1612 wrote to memory of 4320 1612 cmd.exe 109 PID 620 wrote to memory of 3184 620 java.exe 110 PID 620 wrote to memory of 3184 620 java.exe 110 PID 3184 wrote to memory of 668 3184 cmd.exe 112 PID 3184 wrote to memory of 668 3184 cmd.exe 112 -
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\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1824 -
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:1284
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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\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:380 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:4708 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar"4⤵
- Creates scheduled task(s)
PID:1304
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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\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:620 -
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:3776 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2440
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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:2072 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1404
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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:1612 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:4320
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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:3184 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:668
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD55c224b64c760c48fa08a3c521242cb1f
SHA1af6fc125a1c46e34a40079f01243e68fa5e91f9c
SHA256885e47f41c992457113d8a49842e717c2fad6ca2aca8693b31e15988fa066abc
SHA512e3b89c26d906a625d3287e05f2632871e6b03ded8244d2459704404c17548c742542bf38582f95b5dc3db1c4f41f0150eea90ec2560acd69a8acab3ebcdd07ce
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Filesize
46B
MD59165418c41847c106a21c4a039cbbcc9
SHA11ae275963735c22354cdd9ef11c69a04cc33d634
SHA256816eb02a716507ef590dca6023fd3714c34b4fb32102026bf7226565fc9ed9a0
SHA512a8929ca410aaa275c9699d08ae0a73ad2c363685904c442cf2dcfad3c4bc82c00f9f075e817068d565d3f781e2f48c482af1f725bdf7bf0f676d816071b5279e
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4124900551-4068476067-3491212533-1000\83aa4cc77f591dfc2374580bbd95f6ba_310807ab-751f-4d81-ae09-b202eaf21e19
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
481KB
MD595280ff1d28b3af85b570f55b0d113b8
SHA16232e80612b3680de897ac40ba18f3e3ac03e3ff
SHA256bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887
SHA5124b9ba1bdd7603aee780de4a98d698ab786177d2acc5c13667181a7846f09f1953544a8e6e6373685fdbf5c3a31d11149f579773cd31bddb0291484c63c61d6b0
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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