Analysis
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max time kernel
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max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06-08-2024 01:21
Static task
static1
Behavioral task
behavioral1
Sample
1bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71.jar
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
1bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71.jar
Resource
win10v2004-20240802-en
General
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Target
1bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71.jar
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Size
400KB
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MD5
8fdfc7ab8ff744fe2ce01f2af8be5e7a
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SHA1
33b2ab7cbb8071e95cc46bda92910808cf063d6e
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SHA256
1bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71
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SHA512
3aa6f9071e34c56b1db611f96b6eaefd6a9133822863b6202cae6825d51ba7982766443b54f19056711b05f48ef58f1d183fcd738650c7985f8eb37c9b46ab82
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SSDEEP
12288:4CgAHTZ5xGGSDVs2v7c3f4ivcG7P9iNce:4hkTZ5rUYPVP9QL
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\1bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid process 4788 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\1bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\1bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71.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 29 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.
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
WMIC.exeWMIC.exedescription pid process Token: SeIncreaseQuotaPrivilege 4920 WMIC.exe Token: SeSecurityPrivilege 4920 WMIC.exe Token: SeTakeOwnershipPrivilege 4920 WMIC.exe Token: SeLoadDriverPrivilege 4920 WMIC.exe Token: SeSystemProfilePrivilege 4920 WMIC.exe Token: SeSystemtimePrivilege 4920 WMIC.exe Token: SeProfSingleProcessPrivilege 4920 WMIC.exe Token: SeIncBasePriorityPrivilege 4920 WMIC.exe Token: SeCreatePagefilePrivilege 4920 WMIC.exe Token: SeBackupPrivilege 4920 WMIC.exe Token: SeRestorePrivilege 4920 WMIC.exe Token: SeShutdownPrivilege 4920 WMIC.exe Token: SeDebugPrivilege 4920 WMIC.exe Token: SeSystemEnvironmentPrivilege 4920 WMIC.exe Token: SeRemoteShutdownPrivilege 4920 WMIC.exe Token: SeUndockPrivilege 4920 WMIC.exe Token: SeManageVolumePrivilege 4920 WMIC.exe Token: 33 4920 WMIC.exe Token: 34 4920 WMIC.exe Token: 35 4920 WMIC.exe Token: 36 4920 WMIC.exe Token: SeIncreaseQuotaPrivilege 4920 WMIC.exe Token: SeSecurityPrivilege 4920 WMIC.exe Token: SeTakeOwnershipPrivilege 4920 WMIC.exe Token: SeLoadDriverPrivilege 4920 WMIC.exe Token: SeSystemProfilePrivilege 4920 WMIC.exe Token: SeSystemtimePrivilege 4920 WMIC.exe Token: SeProfSingleProcessPrivilege 4920 WMIC.exe Token: SeIncBasePriorityPrivilege 4920 WMIC.exe Token: SeCreatePagefilePrivilege 4920 WMIC.exe Token: SeBackupPrivilege 4920 WMIC.exe Token: SeRestorePrivilege 4920 WMIC.exe Token: SeShutdownPrivilege 4920 WMIC.exe Token: SeDebugPrivilege 4920 WMIC.exe Token: SeSystemEnvironmentPrivilege 4920 WMIC.exe Token: SeRemoteShutdownPrivilege 4920 WMIC.exe Token: SeUndockPrivilege 4920 WMIC.exe Token: SeManageVolumePrivilege 4920 WMIC.exe Token: 33 4920 WMIC.exe Token: 34 4920 WMIC.exe Token: 35 4920 WMIC.exe Token: 36 4920 WMIC.exe Token: SeIncreaseQuotaPrivilege 3228 WMIC.exe Token: SeSecurityPrivilege 3228 WMIC.exe Token: SeTakeOwnershipPrivilege 3228 WMIC.exe Token: SeLoadDriverPrivilege 3228 WMIC.exe Token: SeSystemProfilePrivilege 3228 WMIC.exe Token: SeSystemtimePrivilege 3228 WMIC.exe Token: SeProfSingleProcessPrivilege 3228 WMIC.exe Token: SeIncBasePriorityPrivilege 3228 WMIC.exe Token: SeCreatePagefilePrivilege 3228 WMIC.exe Token: SeBackupPrivilege 3228 WMIC.exe Token: SeRestorePrivilege 3228 WMIC.exe Token: SeShutdownPrivilege 3228 WMIC.exe Token: SeDebugPrivilege 3228 WMIC.exe Token: SeSystemEnvironmentPrivilege 3228 WMIC.exe Token: SeRemoteShutdownPrivilege 3228 WMIC.exe Token: SeUndockPrivilege 3228 WMIC.exe Token: SeManageVolumePrivilege 3228 WMIC.exe Token: 33 3228 WMIC.exe Token: 34 3228 WMIC.exe Token: 35 3228 WMIC.exe Token: 36 3228 WMIC.exe Token: SeIncreaseQuotaPrivilege 3228 WMIC.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
java.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid process target process PID 3216 wrote to memory of 1920 3216 java.exe java.exe PID 3216 wrote to memory of 1920 3216 java.exe java.exe PID 1920 wrote to memory of 5020 1920 java.exe cmd.exe PID 1920 wrote to memory of 5020 1920 java.exe cmd.exe PID 1920 wrote to memory of 4788 1920 java.exe java.exe PID 1920 wrote to memory of 4788 1920 java.exe java.exe PID 5020 wrote to memory of 1064 5020 cmd.exe schtasks.exe PID 5020 wrote to memory of 1064 5020 cmd.exe schtasks.exe PID 4788 wrote to memory of 1396 4788 java.exe cmd.exe PID 4788 wrote to memory of 1396 4788 java.exe cmd.exe PID 1396 wrote to memory of 4920 1396 cmd.exe WMIC.exe PID 1396 wrote to memory of 4920 1396 cmd.exe WMIC.exe PID 4788 wrote to memory of 3884 4788 java.exe cmd.exe PID 4788 wrote to memory of 3884 4788 java.exe cmd.exe PID 3884 wrote to memory of 3228 3884 cmd.exe WMIC.exe PID 3884 wrote to memory of 3228 3884 cmd.exe WMIC.exe PID 4788 wrote to memory of 2244 4788 java.exe cmd.exe PID 4788 wrote to memory of 2244 4788 java.exe cmd.exe PID 2244 wrote to memory of 3524 2244 cmd.exe WMIC.exe PID 2244 wrote to memory of 3524 2244 cmd.exe WMIC.exe PID 4788 wrote to memory of 2020 4788 java.exe cmd.exe PID 4788 wrote to memory of 2020 4788 java.exe cmd.exe PID 2020 wrote to memory of 3128 2020 cmd.exe WMIC.exe PID 2020 wrote to memory of 3128 2020 cmd.exe WMIC.exe -
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\1bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71.jar1⤵
- Suspicious use of WriteProcessMemory
PID:3216 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\1bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71.jar"2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\1bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\1bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:1064
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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\1bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71.jar"3⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4788 -
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:1396 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4920
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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:3884 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3228
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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:2244 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:3524
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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:2020 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:3128
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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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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
46B
MD55e394d3181fc6e2edbb2140fc1029fc7
SHA1bc8265c680fc46849ded5e50e94548c2d828845c
SHA256380a9e3f05a3df875bba7daffcdfc3ed88bdec43f4dd2b96d0da3a58fb12a142
SHA512aa84e606a40caf5ae951ca6eacc76aa0dda347a29a67affd44d58ecdba0e07ec809408105e116d4d4fb168ca886f941331396ee4ccd339c4147658716fa3d2cd
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Filesize
400KB
MD58fdfc7ab8ff744fe2ce01f2af8be5e7a
SHA133b2ab7cbb8071e95cc46bda92910808cf063d6e
SHA2561bd5f11c88334c440d72982ef956f3bf0b0fde0ce68f6ceb7e0822452d840a71
SHA5123aa6f9071e34c56b1db611f96b6eaefd6a9133822863b6202cae6825d51ba7982766443b54f19056711b05f48ef58f1d183fcd738650c7985f8eb37c9b46ab82
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2412658365-3084825385-3340777666-1000\83aa4cc77f591dfc2374580bbd95f6ba_dd06e985-ac7f-4567-b0c7-3752f03c29fc
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