Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07-08-2024 02:22
Static task
static1
Behavioral task
behavioral1
Sample
e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608.jar
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608.jar
Resource
win10v2004-20240802-en
General
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Target
e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608.jar
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Size
400KB
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MD5
4516f3c8f31a3df10b9c5c0295f22d14
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SHA1
5d58d6cee6a3c84438f379ed618a9d76ba75cfa0
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SHA256
e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608
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SHA512
e2ed607da7c07bbbc6dea89f44ef3d79e2919b7a9fab5cad38a3c051c4ddcab14e1b8f9510569bfc8783baf4bc79764217566b6252dee83638f9aeb40f93d181
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SSDEEP
12288:2rRKHTm5srLXDZsfv7f35f6zc/BP9iNeD:2duTm5CiTpzP9QC
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\e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid Process 4452 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608.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 38 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 3848 WMIC.exe Token: SeSecurityPrivilege 3848 WMIC.exe Token: SeTakeOwnershipPrivilege 3848 WMIC.exe Token: SeLoadDriverPrivilege 3848 WMIC.exe Token: SeSystemProfilePrivilege 3848 WMIC.exe Token: SeSystemtimePrivilege 3848 WMIC.exe Token: SeProfSingleProcessPrivilege 3848 WMIC.exe Token: SeIncBasePriorityPrivilege 3848 WMIC.exe Token: SeCreatePagefilePrivilege 3848 WMIC.exe Token: SeBackupPrivilege 3848 WMIC.exe Token: SeRestorePrivilege 3848 WMIC.exe Token: SeShutdownPrivilege 3848 WMIC.exe Token: SeDebugPrivilege 3848 WMIC.exe Token: SeSystemEnvironmentPrivilege 3848 WMIC.exe Token: SeRemoteShutdownPrivilege 3848 WMIC.exe Token: SeUndockPrivilege 3848 WMIC.exe Token: SeManageVolumePrivilege 3848 WMIC.exe Token: 33 3848 WMIC.exe Token: 34 3848 WMIC.exe Token: 35 3848 WMIC.exe Token: 36 3848 WMIC.exe Token: SeIncreaseQuotaPrivilege 3848 WMIC.exe Token: SeSecurityPrivilege 3848 WMIC.exe Token: SeTakeOwnershipPrivilege 3848 WMIC.exe Token: SeLoadDriverPrivilege 3848 WMIC.exe Token: SeSystemProfilePrivilege 3848 WMIC.exe Token: SeSystemtimePrivilege 3848 WMIC.exe Token: SeProfSingleProcessPrivilege 3848 WMIC.exe Token: SeIncBasePriorityPrivilege 3848 WMIC.exe Token: SeCreatePagefilePrivilege 3848 WMIC.exe Token: SeBackupPrivilege 3848 WMIC.exe Token: SeRestorePrivilege 3848 WMIC.exe Token: SeShutdownPrivilege 3848 WMIC.exe Token: SeDebugPrivilege 3848 WMIC.exe Token: SeSystemEnvironmentPrivilege 3848 WMIC.exe Token: SeRemoteShutdownPrivilege 3848 WMIC.exe Token: SeUndockPrivilege 3848 WMIC.exe Token: SeManageVolumePrivilege 3848 WMIC.exe Token: 33 3848 WMIC.exe Token: 34 3848 WMIC.exe Token: 35 3848 WMIC.exe Token: 36 3848 WMIC.exe Token: SeIncreaseQuotaPrivilege 4104 WMIC.exe Token: SeSecurityPrivilege 4104 WMIC.exe Token: SeTakeOwnershipPrivilege 4104 WMIC.exe Token: SeLoadDriverPrivilege 4104 WMIC.exe Token: SeSystemProfilePrivilege 4104 WMIC.exe Token: SeSystemtimePrivilege 4104 WMIC.exe Token: SeProfSingleProcessPrivilege 4104 WMIC.exe Token: SeIncBasePriorityPrivilege 4104 WMIC.exe Token: SeCreatePagefilePrivilege 4104 WMIC.exe Token: SeBackupPrivilege 4104 WMIC.exe Token: SeRestorePrivilege 4104 WMIC.exe Token: SeShutdownPrivilege 4104 WMIC.exe Token: SeDebugPrivilege 4104 WMIC.exe Token: SeSystemEnvironmentPrivilege 4104 WMIC.exe Token: SeRemoteShutdownPrivilege 4104 WMIC.exe Token: SeUndockPrivilege 4104 WMIC.exe Token: SeManageVolumePrivilege 4104 WMIC.exe Token: 33 4104 WMIC.exe Token: 34 4104 WMIC.exe Token: 35 4104 WMIC.exe Token: 36 4104 WMIC.exe Token: SeIncreaseQuotaPrivilege 4104 WMIC.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
java.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 4600 wrote to memory of 2224 4600 java.exe 89 PID 4600 wrote to memory of 2224 4600 java.exe 89 PID 2224 wrote to memory of 2336 2224 java.exe 91 PID 2224 wrote to memory of 2336 2224 java.exe 91 PID 2224 wrote to memory of 4452 2224 java.exe 92 PID 2224 wrote to memory of 4452 2224 java.exe 92 PID 2336 wrote to memory of 1632 2336 cmd.exe 95 PID 2336 wrote to memory of 1632 2336 cmd.exe 95 PID 4452 wrote to memory of 1516 4452 java.exe 96 PID 4452 wrote to memory of 1516 4452 java.exe 96 PID 1516 wrote to memory of 3848 1516 cmd.exe 98 PID 1516 wrote to memory of 3848 1516 cmd.exe 98 PID 4452 wrote to memory of 2592 4452 java.exe 99 PID 4452 wrote to memory of 2592 4452 java.exe 99 PID 2592 wrote to memory of 4104 2592 cmd.exe 101 PID 2592 wrote to memory of 4104 2592 cmd.exe 101 PID 4452 wrote to memory of 3612 4452 java.exe 102 PID 4452 wrote to memory of 3612 4452 java.exe 102 PID 3612 wrote to memory of 1028 3612 cmd.exe 104 PID 3612 wrote to memory of 1028 3612 cmd.exe 104 PID 4452 wrote to memory of 864 4452 java.exe 105 PID 4452 wrote to memory of 864 4452 java.exe 105 PID 864 wrote to memory of 3904 864 cmd.exe 107 PID 864 wrote to memory of 3904 864 cmd.exe 107 -
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\e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608.jar"2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:1632
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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\e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608.jar"3⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4452 -
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:1516 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3848
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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:2592 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4104
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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:3612 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:1028
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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:864 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:3904
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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
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2392887640-1187051047-2909758433-1000\83aa4cc77f591dfc2374580bbd95f6ba_c186ecc3-67e4-4d2b-8682-b6c322da87aa
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
400KB
MD54516f3c8f31a3df10b9c5c0295f22d14
SHA15d58d6cee6a3c84438f379ed618a9d76ba75cfa0
SHA256e867fceff6c94157508b6b4f779e5d1ba1e624b10b176f4ca4a9d3db8daa1608
SHA512e2ed607da7c07bbbc6dea89f44ef3d79e2919b7a9fab5cad38a3c051c4ddcab14e1b8f9510569bfc8783baf4bc79764217566b6252dee83638f9aeb40f93d181
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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