Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230621-en -
resource tags
arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system -
submitted
22-06-2023 06:08
Static task
static1
Behavioral task
behavioral1
Sample
PO 7648.jar
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
PO 7648.jar
Resource
win10v2004-20230621-en
General
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Target
PO 7648.jar
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Size
218KB
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MD5
66e7309c30d55f9102671a834e949e63
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SHA1
caebd51236950f7cdb371bad87c722ba555bf2a4
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SHA256
9291fbf0bd2d82742c20901fd068e9e36fc7e8dcc644716f8efb863514cbda8e
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SHA512
083a944478d54f808c080880e02031ce0e6052f44df3e323a8e442f2fa2d1be713a16c175f72b9f5066be2199f12a6af864ba197ccbefdc0adaff709a2d348b8
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SSDEEP
6144:hEw1+EZBz60uvSx/q7odBgvZqsTS+YkPpx625M7iRAeqW6Ke:KhEZ96FvX8LgvZqsTS+YkPpQuM7SAeRe
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\PO 7648.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid Process 2556 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO 7648 = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PO 7648.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO 7648 = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PO 7648.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 23 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.
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
WMIC.exeWMIC.exedescription pid Process Token: SeIncreaseQuotaPrivilege 4968 WMIC.exe Token: SeSecurityPrivilege 4968 WMIC.exe Token: SeTakeOwnershipPrivilege 4968 WMIC.exe Token: SeLoadDriverPrivilege 4968 WMIC.exe Token: SeSystemProfilePrivilege 4968 WMIC.exe Token: SeSystemtimePrivilege 4968 WMIC.exe Token: SeProfSingleProcessPrivilege 4968 WMIC.exe Token: SeIncBasePriorityPrivilege 4968 WMIC.exe Token: SeCreatePagefilePrivilege 4968 WMIC.exe Token: SeBackupPrivilege 4968 WMIC.exe Token: SeRestorePrivilege 4968 WMIC.exe Token: SeShutdownPrivilege 4968 WMIC.exe Token: SeDebugPrivilege 4968 WMIC.exe Token: SeSystemEnvironmentPrivilege 4968 WMIC.exe Token: SeRemoteShutdownPrivilege 4968 WMIC.exe Token: SeUndockPrivilege 4968 WMIC.exe Token: SeManageVolumePrivilege 4968 WMIC.exe Token: 33 4968 WMIC.exe Token: 34 4968 WMIC.exe Token: 35 4968 WMIC.exe Token: 36 4968 WMIC.exe Token: SeIncreaseQuotaPrivilege 4968 WMIC.exe Token: SeSecurityPrivilege 4968 WMIC.exe Token: SeTakeOwnershipPrivilege 4968 WMIC.exe Token: SeLoadDriverPrivilege 4968 WMIC.exe Token: SeSystemProfilePrivilege 4968 WMIC.exe Token: SeSystemtimePrivilege 4968 WMIC.exe Token: SeProfSingleProcessPrivilege 4968 WMIC.exe Token: SeIncBasePriorityPrivilege 4968 WMIC.exe Token: SeCreatePagefilePrivilege 4968 WMIC.exe Token: SeBackupPrivilege 4968 WMIC.exe Token: SeRestorePrivilege 4968 WMIC.exe Token: SeShutdownPrivilege 4968 WMIC.exe Token: SeDebugPrivilege 4968 WMIC.exe Token: SeSystemEnvironmentPrivilege 4968 WMIC.exe Token: SeRemoteShutdownPrivilege 4968 WMIC.exe Token: SeUndockPrivilege 4968 WMIC.exe Token: SeManageVolumePrivilege 4968 WMIC.exe Token: 33 4968 WMIC.exe Token: 34 4968 WMIC.exe Token: 35 4968 WMIC.exe Token: 36 4968 WMIC.exe Token: SeIncreaseQuotaPrivilege 2616 WMIC.exe Token: SeSecurityPrivilege 2616 WMIC.exe Token: SeTakeOwnershipPrivilege 2616 WMIC.exe Token: SeLoadDriverPrivilege 2616 WMIC.exe Token: SeSystemProfilePrivilege 2616 WMIC.exe Token: SeSystemtimePrivilege 2616 WMIC.exe Token: SeProfSingleProcessPrivilege 2616 WMIC.exe Token: SeIncBasePriorityPrivilege 2616 WMIC.exe Token: SeCreatePagefilePrivilege 2616 WMIC.exe Token: SeBackupPrivilege 2616 WMIC.exe Token: SeRestorePrivilege 2616 WMIC.exe Token: SeShutdownPrivilege 2616 WMIC.exe Token: SeDebugPrivilege 2616 WMIC.exe Token: SeSystemEnvironmentPrivilege 2616 WMIC.exe Token: SeRemoteShutdownPrivilege 2616 WMIC.exe Token: SeUndockPrivilege 2616 WMIC.exe Token: SeManageVolumePrivilege 2616 WMIC.exe Token: 33 2616 WMIC.exe Token: 34 2616 WMIC.exe Token: 35 2616 WMIC.exe Token: 36 2616 WMIC.exe Token: SeIncreaseQuotaPrivilege 2616 WMIC.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
java.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 4848 wrote to memory of 1584 4848 java.exe 80 PID 4848 wrote to memory of 1584 4848 java.exe 80 PID 1584 wrote to memory of 4860 1584 java.exe 82 PID 1584 wrote to memory of 4860 1584 java.exe 82 PID 1584 wrote to memory of 2556 1584 java.exe 85 PID 1584 wrote to memory of 2556 1584 java.exe 85 PID 4860 wrote to memory of 1696 4860 cmd.exe 86 PID 4860 wrote to memory of 1696 4860 cmd.exe 86 PID 2556 wrote to memory of 2872 2556 java.exe 87 PID 2556 wrote to memory of 2872 2556 java.exe 87 PID 2872 wrote to memory of 4968 2872 cmd.exe 89 PID 2872 wrote to memory of 4968 2872 cmd.exe 89 PID 2556 wrote to memory of 2856 2556 java.exe 91 PID 2556 wrote to memory of 2856 2556 java.exe 91 PID 2856 wrote to memory of 2616 2856 cmd.exe 93 PID 2856 wrote to memory of 2616 2856 cmd.exe 93 PID 2556 wrote to memory of 3452 2556 java.exe 94 PID 2556 wrote to memory of 3452 2556 java.exe 94 PID 3452 wrote to memory of 3408 3452 cmd.exe 96 PID 3452 wrote to memory of 3408 3452 cmd.exe 96 PID 2556 wrote to memory of 2492 2556 java.exe 97 PID 2556 wrote to memory of 2492 2556 java.exe 97 PID 2492 wrote to memory of 416 2492 cmd.exe 99 PID 2492 wrote to memory of 416 2492 cmd.exe 99 -
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:\ProgramData\Oracle\Java\javapath\java.exejava -jar "C:\Users\Admin\AppData\Local\Temp\PO 7648.jar"1⤵
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Program Files\Java\jre1.8.0_66\bin\java.exe"C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\PO 7648.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1584 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO 7648.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:4860 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO 7648.jar"4⤵
- Creates scheduled task(s)
PID:1696
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C:\Program Files\Java\jre1.8.0_66\bin\java.exe"C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\PO 7648.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2556 -
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:2872 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4968
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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:2856 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2616
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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:3452 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:3408
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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:2492 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:416
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
50B
MD564d85214b2d890929415bd5e960ce1ee
SHA1f46881e9e400be07c6f13e166ab146cca0761a54
SHA2568273ec8cfaa106524da31c99595ac09ac2c9e6583f5d1cc5c69d26455b48f78a
SHA51233c731232a34aa42e90c6773cb6ed5e14901916ff8037209441d52f79285c1f913ea70f05f79b0818c39549f9de75f3b6f5e5ee1f75655691144d5b8a80c5343
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Filesize
50B
MD52d86ee2a737c9a23bc684f0d979af0b8
SHA12664257061c505630d5e44e5465d38f60e6df5a6
SHA256455c59260214de11006a91f0cde5912d64fcb6cfecbf1d84cb37a833f4839a73
SHA512948d4e6d013bbdc2775851877d0132bfce3f4ac7187fecb9821c0d6d01c6dbab9d32a2098b252eca99024c01ff4d979e2a8eeceba932fbd206d209056de0d065
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2178924671-3779044592-2825503497-1000\83aa4cc77f591dfc2374580bbd95f6ba_8bd462ce-8bab-42b0-a8ec-a97de40a86d1
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
218KB
MD566e7309c30d55f9102671a834e949e63
SHA1caebd51236950f7cdb371bad87c722ba555bf2a4
SHA2569291fbf0bd2d82742c20901fd068e9e36fc7e8dcc644716f8efb863514cbda8e
SHA512083a944478d54f808c080880e02031ce0e6052f44df3e323a8e442f2fa2d1be713a16c175f72b9f5066be2199f12a6af864ba197ccbefdc0adaff709a2d348b8
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Filesize
218KB
MD566e7309c30d55f9102671a834e949e63
SHA1caebd51236950f7cdb371bad87c722ba555bf2a4
SHA2569291fbf0bd2d82742c20901fd068e9e36fc7e8dcc644716f8efb863514cbda8e
SHA512083a944478d54f808c080880e02031ce0e6052f44df3e323a8e442f2fa2d1be713a16c175f72b9f5066be2199f12a6af864ba197ccbefdc0adaff709a2d348b8
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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
218KB
MD566e7309c30d55f9102671a834e949e63
SHA1caebd51236950f7cdb371bad87c722ba555bf2a4
SHA2569291fbf0bd2d82742c20901fd068e9e36fc7e8dcc644716f8efb863514cbda8e
SHA512083a944478d54f808c080880e02031ce0e6052f44df3e323a8e442f2fa2d1be713a16c175f72b9f5066be2199f12a6af864ba197ccbefdc0adaff709a2d348b8
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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