Analysis
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max time kernel
145s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/08/2024, 06:40
Static task
static1
Behavioral task
behavioral1
Sample
551775-ZAM-6-6-2024.jar
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
551775-ZAM-6-6-2024.jar
Resource
win10v2004-20240802-en
General
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Target
551775-ZAM-6-6-2024.jar
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Size
400KB
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MD5
48beddb23fb9d561c9c5068889d87eec
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SHA1
b3f0a91033eb71ba464d303483433cc792024159
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SHA256
1575826baa7c2a340ec94cd065d163fe6d272a9c6bf7457fa4f3142e02fe7085
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SHA512
6350dce0cb8a1478768dda00d1b4882930cc76320cc29961e64116bdbbe848bdb00e33c48e83da091a7697b00f402b5c2d87728aec9515805cf9692a726a7e84
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SSDEEP
12288:6b5GHT25ETrrDN8/v7H353mTcP5P9iNqa:6FCT25eW7pLP9QJ
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\551775-ZAM-6-6-2024.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 1528 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\551775-ZAM-6-6-2024 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\551775-ZAM-6-6-2024.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\551775-ZAM-6-6-2024 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\551775-ZAM-6-6-2024.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 28 ip-api.com -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2592 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2328 WMIC.exe Token: SeSecurityPrivilege 2328 WMIC.exe Token: SeTakeOwnershipPrivilege 2328 WMIC.exe Token: SeLoadDriverPrivilege 2328 WMIC.exe Token: SeSystemProfilePrivilege 2328 WMIC.exe Token: SeSystemtimePrivilege 2328 WMIC.exe Token: SeProfSingleProcessPrivilege 2328 WMIC.exe Token: SeIncBasePriorityPrivilege 2328 WMIC.exe Token: SeCreatePagefilePrivilege 2328 WMIC.exe Token: SeBackupPrivilege 2328 WMIC.exe Token: SeRestorePrivilege 2328 WMIC.exe Token: SeShutdownPrivilege 2328 WMIC.exe Token: SeDebugPrivilege 2328 WMIC.exe Token: SeSystemEnvironmentPrivilege 2328 WMIC.exe Token: SeRemoteShutdownPrivilege 2328 WMIC.exe Token: SeUndockPrivilege 2328 WMIC.exe Token: SeManageVolumePrivilege 2328 WMIC.exe Token: 33 2328 WMIC.exe Token: 34 2328 WMIC.exe Token: 35 2328 WMIC.exe Token: 36 2328 WMIC.exe Token: SeIncreaseQuotaPrivilege 2328 WMIC.exe Token: SeSecurityPrivilege 2328 WMIC.exe Token: SeTakeOwnershipPrivilege 2328 WMIC.exe Token: SeLoadDriverPrivilege 2328 WMIC.exe Token: SeSystemProfilePrivilege 2328 WMIC.exe Token: SeSystemtimePrivilege 2328 WMIC.exe Token: SeProfSingleProcessPrivilege 2328 WMIC.exe Token: SeIncBasePriorityPrivilege 2328 WMIC.exe Token: SeCreatePagefilePrivilege 2328 WMIC.exe Token: SeBackupPrivilege 2328 WMIC.exe Token: SeRestorePrivilege 2328 WMIC.exe Token: SeShutdownPrivilege 2328 WMIC.exe Token: SeDebugPrivilege 2328 WMIC.exe Token: SeSystemEnvironmentPrivilege 2328 WMIC.exe Token: SeRemoteShutdownPrivilege 2328 WMIC.exe Token: SeUndockPrivilege 2328 WMIC.exe Token: SeManageVolumePrivilege 2328 WMIC.exe Token: 33 2328 WMIC.exe Token: 34 2328 WMIC.exe Token: 35 2328 WMIC.exe Token: 36 2328 WMIC.exe Token: SeIncreaseQuotaPrivilege 1612 WMIC.exe Token: SeSecurityPrivilege 1612 WMIC.exe Token: SeTakeOwnershipPrivilege 1612 WMIC.exe Token: SeLoadDriverPrivilege 1612 WMIC.exe Token: SeSystemProfilePrivilege 1612 WMIC.exe Token: SeSystemtimePrivilege 1612 WMIC.exe Token: SeProfSingleProcessPrivilege 1612 WMIC.exe Token: SeIncBasePriorityPrivilege 1612 WMIC.exe Token: SeCreatePagefilePrivilege 1612 WMIC.exe Token: SeBackupPrivilege 1612 WMIC.exe Token: SeRestorePrivilege 1612 WMIC.exe Token: SeShutdownPrivilege 1612 WMIC.exe Token: SeDebugPrivilege 1612 WMIC.exe Token: SeSystemEnvironmentPrivilege 1612 WMIC.exe Token: SeRemoteShutdownPrivilege 1612 WMIC.exe Token: SeUndockPrivilege 1612 WMIC.exe Token: SeManageVolumePrivilege 1612 WMIC.exe Token: 33 1612 WMIC.exe Token: 34 1612 WMIC.exe Token: 35 1612 WMIC.exe Token: 36 1612 WMIC.exe Token: SeIncreaseQuotaPrivilege 1612 WMIC.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 4860 wrote to memory of 1884 4860 java.exe 87 PID 4860 wrote to memory of 1884 4860 java.exe 87 PID 1884 wrote to memory of 2024 1884 java.exe 89 PID 1884 wrote to memory of 2024 1884 java.exe 89 PID 1884 wrote to memory of 1528 1884 java.exe 90 PID 1884 wrote to memory of 1528 1884 java.exe 90 PID 2024 wrote to memory of 2592 2024 cmd.exe 93 PID 2024 wrote to memory of 2592 2024 cmd.exe 93 PID 1528 wrote to memory of 3832 1528 java.exe 94 PID 1528 wrote to memory of 3832 1528 java.exe 94 PID 3832 wrote to memory of 2328 3832 cmd.exe 96 PID 3832 wrote to memory of 2328 3832 cmd.exe 96 PID 1528 wrote to memory of 2356 1528 java.exe 98 PID 1528 wrote to memory of 2356 1528 java.exe 98 PID 2356 wrote to memory of 1612 2356 cmd.exe 100 PID 2356 wrote to memory of 1612 2356 cmd.exe 100 PID 1528 wrote to memory of 1604 1528 java.exe 101 PID 1528 wrote to memory of 1604 1528 java.exe 101 PID 1604 wrote to memory of 1944 1604 cmd.exe 103 PID 1604 wrote to memory of 1944 1604 cmd.exe 103 PID 1528 wrote to memory of 820 1528 java.exe 104 PID 1528 wrote to memory of 820 1528 java.exe 104 PID 820 wrote to memory of 1964 820 cmd.exe 106 PID 820 wrote to memory of 1964 820 cmd.exe 106 -
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\551775-ZAM-6-6-2024.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4860 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\551775-ZAM-6-6-2024.jar"2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\551775-ZAM-6-6-2024.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\551775-ZAM-6-6-2024.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:2592
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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\551775-ZAM-6-6-2024.jar"3⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1528 -
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:3832 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2328
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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:2356 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1612
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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:1604 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:1944
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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:820 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:1964
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD5b585296f30c9d5e6cae4fafb1b0a658b
SHA16499f59842a8e5bc882e367ef16d38e0d205c585
SHA256a009c13e78af9e4c2eb648d08f7da26b6fe90de7b1f68be09017151c21b1c5a7
SHA51215ecd811ac3029100a4ce29cfada4aed4df64f0c59c5aaace5ca0fffdc60ab53edd7ad6a151a14146a0a6b1e0f50d55fedc6cb89547a6405b535637d0129b8df
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Filesize
400KB
MD548beddb23fb9d561c9c5068889d87eec
SHA1b3f0a91033eb71ba464d303483433cc792024159
SHA2561575826baa7c2a340ec94cd065d163fe6d272a9c6bf7457fa4f3142e02fe7085
SHA5126350dce0cb8a1478768dda00d1b4882930cc76320cc29961e64116bdbbe848bdb00e33c48e83da091a7697b00f402b5c2d87728aec9515805cf9692a726a7e84
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4182098368-2521458979-3782681353-1000\83aa4cc77f591dfc2374580bbd95f6ba_ea0aa4d6-aa48-4733-9e64-85ab59ce35b0
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