Analysis
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max time kernel
299s -
max time network
301s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
11-06-2024 09:54
Static task
static1
Behavioral task
behavioral1
Sample
5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc.jar
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc.jar
Resource
win10v2004-20240426-en
Behavioral task
behavioral4
Sample
5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc.jar
Resource
win11-20240426-en
General
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Target
5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc.jar
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Size
481KB
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MD5
11dec5e1d8b13456cd7e0ccb966fe12c
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SHA1
0c5ea4abbafa47010d529b2736a54b09da4cad29
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SHA256
5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc
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SHA512
a397c58ea60d12a45b295d8a7e85f3d5973ce836c9df97f7b5194020e6043a62d74cf2d521d1ff2d523dc0d60b0eb1f648a08ccfc7bc83b4fa1b769528da638a
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SSDEEP
12288:SVlCHKeQSPE4dP/I5FsRb5h3pCy1tEARGuJKcc:SHCHlrnIYxo0Gu4
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\5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 2496 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1380 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows\CurrentVersion\Run\5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc.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 14 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 3064 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 360 WMIC.exe Token: SeSecurityPrivilege 360 WMIC.exe Token: SeTakeOwnershipPrivilege 360 WMIC.exe Token: SeLoadDriverPrivilege 360 WMIC.exe Token: SeSystemProfilePrivilege 360 WMIC.exe Token: SeSystemtimePrivilege 360 WMIC.exe Token: SeProfSingleProcessPrivilege 360 WMIC.exe Token: SeIncBasePriorityPrivilege 360 WMIC.exe Token: SeCreatePagefilePrivilege 360 WMIC.exe Token: SeBackupPrivilege 360 WMIC.exe Token: SeRestorePrivilege 360 WMIC.exe Token: SeShutdownPrivilege 360 WMIC.exe Token: SeDebugPrivilege 360 WMIC.exe Token: SeSystemEnvironmentPrivilege 360 WMIC.exe Token: SeRemoteShutdownPrivilege 360 WMIC.exe Token: SeUndockPrivilege 360 WMIC.exe Token: SeManageVolumePrivilege 360 WMIC.exe Token: 33 360 WMIC.exe Token: 34 360 WMIC.exe Token: 35 360 WMIC.exe Token: 36 360 WMIC.exe Token: SeIncreaseQuotaPrivilege 360 WMIC.exe Token: SeSecurityPrivilege 360 WMIC.exe Token: SeTakeOwnershipPrivilege 360 WMIC.exe Token: SeLoadDriverPrivilege 360 WMIC.exe Token: SeSystemProfilePrivilege 360 WMIC.exe Token: SeSystemtimePrivilege 360 WMIC.exe Token: SeProfSingleProcessPrivilege 360 WMIC.exe Token: SeIncBasePriorityPrivilege 360 WMIC.exe Token: SeCreatePagefilePrivilege 360 WMIC.exe Token: SeBackupPrivilege 360 WMIC.exe Token: SeRestorePrivilege 360 WMIC.exe Token: SeShutdownPrivilege 360 WMIC.exe Token: SeDebugPrivilege 360 WMIC.exe Token: SeSystemEnvironmentPrivilege 360 WMIC.exe Token: SeRemoteShutdownPrivilege 360 WMIC.exe Token: SeUndockPrivilege 360 WMIC.exe Token: SeManageVolumePrivilege 360 WMIC.exe Token: 33 360 WMIC.exe Token: 34 360 WMIC.exe Token: 35 360 WMIC.exe Token: 36 360 WMIC.exe Token: SeIncreaseQuotaPrivilege 5116 WMIC.exe Token: SeSecurityPrivilege 5116 WMIC.exe Token: SeTakeOwnershipPrivilege 5116 WMIC.exe Token: SeLoadDriverPrivilege 5116 WMIC.exe Token: SeSystemProfilePrivilege 5116 WMIC.exe Token: SeSystemtimePrivilege 5116 WMIC.exe Token: SeProfSingleProcessPrivilege 5116 WMIC.exe Token: SeIncBasePriorityPrivilege 5116 WMIC.exe Token: SeCreatePagefilePrivilege 5116 WMIC.exe Token: SeBackupPrivilege 5116 WMIC.exe Token: SeRestorePrivilege 5116 WMIC.exe Token: SeShutdownPrivilege 5116 WMIC.exe Token: SeDebugPrivilege 5116 WMIC.exe Token: SeSystemEnvironmentPrivilege 5116 WMIC.exe Token: SeRemoteShutdownPrivilege 5116 WMIC.exe Token: SeUndockPrivilege 5116 WMIC.exe Token: SeManageVolumePrivilege 5116 WMIC.exe Token: 33 5116 WMIC.exe Token: 34 5116 WMIC.exe Token: 35 5116 WMIC.exe Token: 36 5116 WMIC.exe Token: SeIncreaseQuotaPrivilege 5116 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2924 wrote to memory of 1380 2924 java.exe 74 PID 2924 wrote to memory of 1380 2924 java.exe 74 PID 2924 wrote to memory of 996 2924 java.exe 76 PID 2924 wrote to memory of 996 2924 java.exe 76 PID 996 wrote to memory of 1760 996 java.exe 78 PID 996 wrote to memory of 1760 996 java.exe 78 PID 996 wrote to memory of 2496 996 java.exe 79 PID 996 wrote to memory of 2496 996 java.exe 79 PID 1760 wrote to memory of 3064 1760 cmd.exe 82 PID 1760 wrote to memory of 3064 1760 cmd.exe 82 PID 2496 wrote to memory of 2696 2496 java.exe 83 PID 2496 wrote to memory of 2696 2496 java.exe 83 PID 2696 wrote to memory of 360 2696 cmd.exe 85 PID 2696 wrote to memory of 360 2696 cmd.exe 85 PID 2496 wrote to memory of 4308 2496 java.exe 87 PID 2496 wrote to memory of 4308 2496 java.exe 87 PID 4308 wrote to memory of 5116 4308 cmd.exe 89 PID 4308 wrote to memory of 5116 4308 cmd.exe 89 PID 2496 wrote to memory of 3900 2496 java.exe 90 PID 2496 wrote to memory of 3900 2496 java.exe 90 PID 3900 wrote to memory of 3896 3900 cmd.exe 92 PID 3900 wrote to memory of 3896 3900 cmd.exe 92 PID 2496 wrote to memory of 1436 2496 java.exe 93 PID 2496 wrote to memory of 1436 2496 java.exe 93 PID 1436 wrote to memory of 4228 1436 cmd.exe 95 PID 1436 wrote to memory of 4228 1436 cmd.exe 95 -
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\5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc.jar1⤵
- Suspicious use of WriteProcessMemory
PID:2924 -
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:1380
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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\5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:996 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc.jar"4⤵
- Creates scheduled task(s)
PID:3064
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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\5595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2496 -
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:2696 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:360
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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:4308 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:5116
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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:3900 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:3896
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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:1436 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:4228
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD5248a02fac5f42a47c649092a3d8c0886
SHA1dd78856db2c0c9fdc03d4191c3e3eba953faf24c
SHA2565cffc5a398b0c1d9068d01bb58959ea08d0473f60d42b5379037f33d56dccb63
SHA5123dce2aca801750a2ed31e51921b3d3cfe99d159268e9ad4c6f313fd96e04b20bb61e00d5a0faadd3ed8447c1e06ff65e53500b6d5bd7d9be38816e95edfca33a
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Filesize
481KB
MD511dec5e1d8b13456cd7e0ccb966fe12c
SHA10c5ea4abbafa47010d529b2736a54b09da4cad29
SHA2565595c1dc3d2e51a9aa52283e601b92abfd878a6ca694d548f0bda140d60d48cc
SHA512a397c58ea60d12a45b295d8a7e85f3d5973ce836c9df97f7b5194020e6043a62d74cf2d521d1ff2d523dc0d60b0eb1f648a08ccfc7bc83b4fa1b769528da638a
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-160447019-1232603106-4168707212-1000\83aa4cc77f591dfc2374580bbd95f6ba_f9d1bf68-a4a3-4e40-8567-86018b80b4b2
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
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372