Analysis
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max time kernel
146s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230621-en -
resource tags
arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system -
submitted
28-06-2023 01:19
Static task
static1
Behavioral task
behavioral1
Sample
36a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1.jar
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
36a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1.jar
Resource
win10v2004-20230621-en
General
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Target
36a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1.jar
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Size
218KB
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MD5
5aad6b3713d010c9d5c4af7bbea8b2fb
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SHA1
b9d82fe8b91c5449f6078755271df96df501483b
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SHA256
36a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1
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SHA512
08193b2ee023f4b46349ad570aee5a0df6db14316a773a0a58d80ee601aec1c6e20e135d2851696c5d73edcbb8f39ce3e95d5f9dd8a6c805bb5f9483596b3f4c
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SSDEEP
6144:bwazPpKTmUR/SKQhIZOhxqiNxKJ/nQZT5GB9:bwedi/6hFhxjTOGMB9
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\36a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid Process 3844 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\36a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1 = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\36a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\36a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1 = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\36a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1.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 62 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 4020 WMIC.exe Token: SeSecurityPrivilege 4020 WMIC.exe Token: SeTakeOwnershipPrivilege 4020 WMIC.exe Token: SeLoadDriverPrivilege 4020 WMIC.exe Token: SeSystemProfilePrivilege 4020 WMIC.exe Token: SeSystemtimePrivilege 4020 WMIC.exe Token: SeProfSingleProcessPrivilege 4020 WMIC.exe Token: SeIncBasePriorityPrivilege 4020 WMIC.exe Token: SeCreatePagefilePrivilege 4020 WMIC.exe Token: SeBackupPrivilege 4020 WMIC.exe Token: SeRestorePrivilege 4020 WMIC.exe Token: SeShutdownPrivilege 4020 WMIC.exe Token: SeDebugPrivilege 4020 WMIC.exe Token: SeSystemEnvironmentPrivilege 4020 WMIC.exe Token: SeRemoteShutdownPrivilege 4020 WMIC.exe Token: SeUndockPrivilege 4020 WMIC.exe Token: SeManageVolumePrivilege 4020 WMIC.exe Token: 33 4020 WMIC.exe Token: 34 4020 WMIC.exe Token: 35 4020 WMIC.exe Token: 36 4020 WMIC.exe Token: SeIncreaseQuotaPrivilege 4020 WMIC.exe Token: SeSecurityPrivilege 4020 WMIC.exe Token: SeTakeOwnershipPrivilege 4020 WMIC.exe Token: SeLoadDriverPrivilege 4020 WMIC.exe Token: SeSystemProfilePrivilege 4020 WMIC.exe Token: SeSystemtimePrivilege 4020 WMIC.exe Token: SeProfSingleProcessPrivilege 4020 WMIC.exe Token: SeIncBasePriorityPrivilege 4020 WMIC.exe Token: SeCreatePagefilePrivilege 4020 WMIC.exe Token: SeBackupPrivilege 4020 WMIC.exe Token: SeRestorePrivilege 4020 WMIC.exe Token: SeShutdownPrivilege 4020 WMIC.exe Token: SeDebugPrivilege 4020 WMIC.exe Token: SeSystemEnvironmentPrivilege 4020 WMIC.exe Token: SeRemoteShutdownPrivilege 4020 WMIC.exe Token: SeUndockPrivilege 4020 WMIC.exe Token: SeManageVolumePrivilege 4020 WMIC.exe Token: 33 4020 WMIC.exe Token: 34 4020 WMIC.exe Token: 35 4020 WMIC.exe Token: 36 4020 WMIC.exe Token: SeIncreaseQuotaPrivilege 916 WMIC.exe Token: SeSecurityPrivilege 916 WMIC.exe Token: SeTakeOwnershipPrivilege 916 WMIC.exe Token: SeLoadDriverPrivilege 916 WMIC.exe Token: SeSystemProfilePrivilege 916 WMIC.exe Token: SeSystemtimePrivilege 916 WMIC.exe Token: SeProfSingleProcessPrivilege 916 WMIC.exe Token: SeIncBasePriorityPrivilege 916 WMIC.exe Token: SeCreatePagefilePrivilege 916 WMIC.exe Token: SeBackupPrivilege 916 WMIC.exe Token: SeRestorePrivilege 916 WMIC.exe Token: SeShutdownPrivilege 916 WMIC.exe Token: SeDebugPrivilege 916 WMIC.exe Token: SeSystemEnvironmentPrivilege 916 WMIC.exe Token: SeRemoteShutdownPrivilege 916 WMIC.exe Token: SeUndockPrivilege 916 WMIC.exe Token: SeManageVolumePrivilege 916 WMIC.exe Token: 33 916 WMIC.exe Token: 34 916 WMIC.exe Token: 35 916 WMIC.exe Token: 36 916 WMIC.exe Token: SeIncreaseQuotaPrivilege 916 WMIC.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
java.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 5080 wrote to memory of 3900 5080 java.exe 88 PID 5080 wrote to memory of 3900 5080 java.exe 88 PID 3900 wrote to memory of 3584 3900 java.exe 90 PID 3900 wrote to memory of 3584 3900 java.exe 90 PID 3900 wrote to memory of 3844 3900 java.exe 91 PID 3900 wrote to memory of 3844 3900 java.exe 91 PID 3584 wrote to memory of 3248 3584 cmd.exe 94 PID 3584 wrote to memory of 3248 3584 cmd.exe 94 PID 3844 wrote to memory of 404 3844 java.exe 95 PID 3844 wrote to memory of 404 3844 java.exe 95 PID 404 wrote to memory of 4020 404 cmd.exe 97 PID 404 wrote to memory of 4020 404 cmd.exe 97 PID 3844 wrote to memory of 4992 3844 java.exe 98 PID 3844 wrote to memory of 4992 3844 java.exe 98 PID 4992 wrote to memory of 916 4992 cmd.exe 100 PID 4992 wrote to memory of 916 4992 cmd.exe 100 PID 3844 wrote to memory of 1860 3844 java.exe 101 PID 3844 wrote to memory of 1860 3844 java.exe 101 PID 1860 wrote to memory of 1292 1860 cmd.exe 103 PID 1860 wrote to memory of 1292 1860 cmd.exe 103 PID 3844 wrote to memory of 1588 3844 java.exe 104 PID 3844 wrote to memory of 1588 3844 java.exe 104 PID 1588 wrote to memory of 2484 1588 cmd.exe 106 PID 1588 wrote to memory of 2484 1588 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:\ProgramData\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\36a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1.jar1⤵
- Suspicious use of WriteProcessMemory
PID:5080 -
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\36a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3900 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\36a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\36a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1.jar"4⤵
- Creates scheduled task(s)
PID:3248
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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\36a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3844 -
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:404 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4020
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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:4992 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:916
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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:1860 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:1292
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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:1588 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:2484
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
50B
MD58fc04ece6173dbd25019112837da139d
SHA14c2ba0c6cbe5a328aad961dbf181d2b0d37be048
SHA256f36868936c0d31b113a45eb8db984f7c87418abbd03ad09b99efd275fb967d98
SHA512ba145f07de2b53a43ee215a74ac108838a6769d62a6cfd0fb850d7fdd964d138830121f37f95bd5d65ba0393012b36dded50d97085973b71f3d3c6ce0d6a4f28
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Filesize
50B
MD5678f755105a72b4b145dcacad0a776fe
SHA182a15111a6400110a89dc1bed187efd176eda018
SHA25660ce102aefeeed29edd4786fa43a4cbd5c486c5d759655c8f2c402b6bd785be5
SHA51290a76ae4360bece4ec434823a59c83a8a243b5d0a8d7b5be4779d2ff5acba893912f25ecbc0b0b99cc22f6b88e4964997e1a92101b4ad2ae281f6eade9af6752
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Filesize
218KB
MD55aad6b3713d010c9d5c4af7bbea8b2fb
SHA1b9d82fe8b91c5449f6078755271df96df501483b
SHA25636a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1
SHA51208193b2ee023f4b46349ad570aee5a0df6db14316a773a0a58d80ee601aec1c6e20e135d2851696c5d73edcbb8f39ce3e95d5f9dd8a6c805bb5f9483596b3f4c
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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Filesize
218KB
MD55aad6b3713d010c9d5c4af7bbea8b2fb
SHA1b9d82fe8b91c5449f6078755271df96df501483b
SHA25636a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1
SHA51208193b2ee023f4b46349ad570aee5a0df6db14316a773a0a58d80ee601aec1c6e20e135d2851696c5d73edcbb8f39ce3e95d5f9dd8a6c805bb5f9483596b3f4c
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Filesize
218KB
MD55aad6b3713d010c9d5c4af7bbea8b2fb
SHA1b9d82fe8b91c5449f6078755271df96df501483b
SHA25636a75df6e2cdd905e1aa021b2495f46d630770de1645a27452c5f7c40b6964e1
SHA51208193b2ee023f4b46349ad570aee5a0df6db14316a773a0a58d80ee601aec1c6e20e135d2851696c5d73edcbb8f39ce3e95d5f9dd8a6c805bb5f9483596b3f4c
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-922299981-3641064733-3870770889-1000\83aa4cc77f591dfc2374580bbd95f6ba_0d8e19ec-0f76-45ea-89c4-00bdc8e45654
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
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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