Analysis
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max time kernel
148s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
03-06-2024 06:47
Static task
static1
Behavioral task
behavioral1
Sample
Invoice646737327328282892992.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Invoice646737327328282892992.jar
Resource
win10v2004-20240226-en
General
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Target
Invoice646737327328282892992.jar
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Size
453KB
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MD5
e11d4be9ebd996da2df7f4e07a06876d
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SHA1
1e809d3f00f40cf03cf9a5335399acafa2037fc5
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SHA256
87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178
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SHA512
e9db4c6c5b27bbf43b74234c8ff4996454c23c82497e8fd97e0b087413cb8589426a5749666268c8d23e06193918d9ad98be13cea9a1e2ed48fc0dfb79bd0e77
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SSDEEP
12288:hOk7azW39Yv5VmKQVsbyIUZtbb9QWugj3bmJh:nyU9omeWIUZhbtuyLkh
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\Invoice646737327328282892992.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 4892 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1636 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Invoice646737327328282892992 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Invoice646737327328282892992.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Invoice646737327328282892992 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Invoice646737327328282892992.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 38 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 632 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2352 WMIC.exe Token: SeSecurityPrivilege 2352 WMIC.exe Token: SeTakeOwnershipPrivilege 2352 WMIC.exe Token: SeLoadDriverPrivilege 2352 WMIC.exe Token: SeSystemProfilePrivilege 2352 WMIC.exe Token: SeSystemtimePrivilege 2352 WMIC.exe Token: SeProfSingleProcessPrivilege 2352 WMIC.exe Token: SeIncBasePriorityPrivilege 2352 WMIC.exe Token: SeCreatePagefilePrivilege 2352 WMIC.exe Token: SeBackupPrivilege 2352 WMIC.exe Token: SeRestorePrivilege 2352 WMIC.exe Token: SeShutdownPrivilege 2352 WMIC.exe Token: SeDebugPrivilege 2352 WMIC.exe Token: SeSystemEnvironmentPrivilege 2352 WMIC.exe Token: SeRemoteShutdownPrivilege 2352 WMIC.exe Token: SeUndockPrivilege 2352 WMIC.exe Token: SeManageVolumePrivilege 2352 WMIC.exe Token: 33 2352 WMIC.exe Token: 34 2352 WMIC.exe Token: 35 2352 WMIC.exe Token: 36 2352 WMIC.exe Token: SeIncreaseQuotaPrivilege 2352 WMIC.exe Token: SeSecurityPrivilege 2352 WMIC.exe Token: SeTakeOwnershipPrivilege 2352 WMIC.exe Token: SeLoadDriverPrivilege 2352 WMIC.exe Token: SeSystemProfilePrivilege 2352 WMIC.exe Token: SeSystemtimePrivilege 2352 WMIC.exe Token: SeProfSingleProcessPrivilege 2352 WMIC.exe Token: SeIncBasePriorityPrivilege 2352 WMIC.exe Token: SeCreatePagefilePrivilege 2352 WMIC.exe Token: SeBackupPrivilege 2352 WMIC.exe Token: SeRestorePrivilege 2352 WMIC.exe Token: SeShutdownPrivilege 2352 WMIC.exe Token: SeDebugPrivilege 2352 WMIC.exe Token: SeSystemEnvironmentPrivilege 2352 WMIC.exe Token: SeRemoteShutdownPrivilege 2352 WMIC.exe Token: SeUndockPrivilege 2352 WMIC.exe Token: SeManageVolumePrivilege 2352 WMIC.exe Token: 33 2352 WMIC.exe Token: 34 2352 WMIC.exe Token: 35 2352 WMIC.exe Token: 36 2352 WMIC.exe Token: SeIncreaseQuotaPrivilege 2148 WMIC.exe Token: SeSecurityPrivilege 2148 WMIC.exe Token: SeTakeOwnershipPrivilege 2148 WMIC.exe Token: SeLoadDriverPrivilege 2148 WMIC.exe Token: SeSystemProfilePrivilege 2148 WMIC.exe Token: SeSystemtimePrivilege 2148 WMIC.exe Token: SeProfSingleProcessPrivilege 2148 WMIC.exe Token: SeIncBasePriorityPrivilege 2148 WMIC.exe Token: SeCreatePagefilePrivilege 2148 WMIC.exe Token: SeBackupPrivilege 2148 WMIC.exe Token: SeRestorePrivilege 2148 WMIC.exe Token: SeShutdownPrivilege 2148 WMIC.exe Token: SeDebugPrivilege 2148 WMIC.exe Token: SeSystemEnvironmentPrivilege 2148 WMIC.exe Token: SeRemoteShutdownPrivilege 2148 WMIC.exe Token: SeUndockPrivilege 2148 WMIC.exe Token: SeManageVolumePrivilege 2148 WMIC.exe Token: 33 2148 WMIC.exe Token: 34 2148 WMIC.exe Token: 35 2148 WMIC.exe Token: 36 2148 WMIC.exe Token: SeIncreaseQuotaPrivilege 2148 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1432 wrote to memory of 1636 1432 java.exe 92 PID 1432 wrote to memory of 1636 1432 java.exe 92 PID 1432 wrote to memory of 2428 1432 java.exe 94 PID 1432 wrote to memory of 2428 1432 java.exe 94 PID 2428 wrote to memory of 1000 2428 java.exe 96 PID 2428 wrote to memory of 1000 2428 java.exe 96 PID 2428 wrote to memory of 4892 2428 java.exe 97 PID 2428 wrote to memory of 4892 2428 java.exe 97 PID 1000 wrote to memory of 632 1000 cmd.exe 100 PID 1000 wrote to memory of 632 1000 cmd.exe 100 PID 4892 wrote to memory of 1108 4892 java.exe 106 PID 4892 wrote to memory of 1108 4892 java.exe 106 PID 1108 wrote to memory of 2352 1108 cmd.exe 108 PID 1108 wrote to memory of 2352 1108 cmd.exe 108 PID 4892 wrote to memory of 4920 4892 java.exe 109 PID 4892 wrote to memory of 4920 4892 java.exe 109 PID 4920 wrote to memory of 2148 4920 cmd.exe 111 PID 4920 wrote to memory of 2148 4920 cmd.exe 111 PID 4892 wrote to memory of 3044 4892 java.exe 112 PID 4892 wrote to memory of 3044 4892 java.exe 112 PID 3044 wrote to memory of 3612 3044 cmd.exe 114 PID 3044 wrote to memory of 3612 3044 cmd.exe 114 PID 4892 wrote to memory of 2784 4892 java.exe 117 PID 4892 wrote to memory of 2784 4892 java.exe 117 PID 2784 wrote to memory of 940 2784 cmd.exe 119 PID 2784 wrote to memory of 940 2784 cmd.exe 119 -
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\Invoice646737327328282892992.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1432 -
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:1636
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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\Invoice646737327328282892992.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Invoice646737327328282892992.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Invoice646737327328282892992.jar"4⤵
- Creates scheduled task(s)
PID:632
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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\Invoice646737327328282892992.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4892 -
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:1108 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2352
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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:4920 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2148
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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:3044 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:3612
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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:2784 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:940
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:81⤵PID:5076
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD531788790ad4ffb5df5b9e2bbea803b1f
SHA1c35b9af96ee61bc05e37c22ff57b537d96df88e1
SHA256b0ef66c6f6bca95e32c3e89ab98a99516442049349d5233fc78e830ac08b1c3f
SHA5121a6706159b2b33f9798e99cc8cad688c03e49f8dccf1e6e3448fe9cb362905eb828967517e0436d6e398d063b5c43f93e9aa56025aaae49c3fdea76a2e4b3e3e
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3808065738-1666277613-1125846146-1000\83aa4cc77f591dfc2374580bbd95f6ba_2397ee06-28fe-4eaa-8777-f7014368c353
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
453KB
MD5e11d4be9ebd996da2df7f4e07a06876d
SHA11e809d3f00f40cf03cf9a5335399acafa2037fc5
SHA25687bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178
SHA512e9db4c6c5b27bbf43b74234c8ff4996454c23c82497e8fd97e0b087413cb8589426a5749666268c8d23e06193918d9ad98be13cea9a1e2ed48fc0dfb79bd0e77
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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