Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09-06-2024 09:51
Static task
static1
Behavioral task
behavioral1
Sample
85af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
85af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f.jar
Resource
win10v2004-20240508-en
General
-
Target
85af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f.jar
-
Size
448KB
-
MD5
5f44aa92cda88f8b88f783f5ce2df636
-
SHA1
f791bc786571bfb36e94ed6a293fa22304a5df78
-
SHA256
85af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f
-
SHA512
446a86271230343e77530136293ff29467d4166f0b812fc6cc99f53a516e492b21f0fe48fdb033f78db8e7a1620c32c00264d995f948f023ea608cdc2ccb5559
-
SSDEEP
12288:c75igiDyZEO28Cabb5Je8wUYFkGnwce4U:8EyWO28CaRJVwdFk2Yh
Malware Config
Signatures
-
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\85af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 4480 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 3252 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\85af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\85af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\85af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\85af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f.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 26 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 228 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4744 WMIC.exe Token: SeSecurityPrivilege 4744 WMIC.exe Token: SeTakeOwnershipPrivilege 4744 WMIC.exe Token: SeLoadDriverPrivilege 4744 WMIC.exe Token: SeSystemProfilePrivilege 4744 WMIC.exe Token: SeSystemtimePrivilege 4744 WMIC.exe Token: SeProfSingleProcessPrivilege 4744 WMIC.exe Token: SeIncBasePriorityPrivilege 4744 WMIC.exe Token: SeCreatePagefilePrivilege 4744 WMIC.exe Token: SeBackupPrivilege 4744 WMIC.exe Token: SeRestorePrivilege 4744 WMIC.exe Token: SeShutdownPrivilege 4744 WMIC.exe Token: SeDebugPrivilege 4744 WMIC.exe Token: SeSystemEnvironmentPrivilege 4744 WMIC.exe Token: SeRemoteShutdownPrivilege 4744 WMIC.exe Token: SeUndockPrivilege 4744 WMIC.exe Token: SeManageVolumePrivilege 4744 WMIC.exe Token: 33 4744 WMIC.exe Token: 34 4744 WMIC.exe Token: 35 4744 WMIC.exe Token: 36 4744 WMIC.exe Token: SeIncreaseQuotaPrivilege 4744 WMIC.exe Token: SeSecurityPrivilege 4744 WMIC.exe Token: SeTakeOwnershipPrivilege 4744 WMIC.exe Token: SeLoadDriverPrivilege 4744 WMIC.exe Token: SeSystemProfilePrivilege 4744 WMIC.exe Token: SeSystemtimePrivilege 4744 WMIC.exe Token: SeProfSingleProcessPrivilege 4744 WMIC.exe Token: SeIncBasePriorityPrivilege 4744 WMIC.exe Token: SeCreatePagefilePrivilege 4744 WMIC.exe Token: SeBackupPrivilege 4744 WMIC.exe Token: SeRestorePrivilege 4744 WMIC.exe Token: SeShutdownPrivilege 4744 WMIC.exe Token: SeDebugPrivilege 4744 WMIC.exe Token: SeSystemEnvironmentPrivilege 4744 WMIC.exe Token: SeRemoteShutdownPrivilege 4744 WMIC.exe Token: SeUndockPrivilege 4744 WMIC.exe Token: SeManageVolumePrivilege 4744 WMIC.exe Token: 33 4744 WMIC.exe Token: 34 4744 WMIC.exe Token: 35 4744 WMIC.exe Token: 36 4744 WMIC.exe Token: SeIncreaseQuotaPrivilege 1180 WMIC.exe Token: SeSecurityPrivilege 1180 WMIC.exe Token: SeTakeOwnershipPrivilege 1180 WMIC.exe Token: SeLoadDriverPrivilege 1180 WMIC.exe Token: SeSystemProfilePrivilege 1180 WMIC.exe Token: SeSystemtimePrivilege 1180 WMIC.exe Token: SeProfSingleProcessPrivilege 1180 WMIC.exe Token: SeIncBasePriorityPrivilege 1180 WMIC.exe Token: SeCreatePagefilePrivilege 1180 WMIC.exe Token: SeBackupPrivilege 1180 WMIC.exe Token: SeRestorePrivilege 1180 WMIC.exe Token: SeShutdownPrivilege 1180 WMIC.exe Token: SeDebugPrivilege 1180 WMIC.exe Token: SeSystemEnvironmentPrivilege 1180 WMIC.exe Token: SeRemoteShutdownPrivilege 1180 WMIC.exe Token: SeUndockPrivilege 1180 WMIC.exe Token: SeManageVolumePrivilege 1180 WMIC.exe Token: 33 1180 WMIC.exe Token: 34 1180 WMIC.exe Token: 35 1180 WMIC.exe Token: 36 1180 WMIC.exe Token: SeIncreaseQuotaPrivilege 1180 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 3448 wrote to memory of 3252 3448 java.exe 85 PID 3448 wrote to memory of 3252 3448 java.exe 85 PID 3448 wrote to memory of 4472 3448 java.exe 93 PID 3448 wrote to memory of 4472 3448 java.exe 93 PID 4472 wrote to memory of 2088 4472 java.exe 96 PID 4472 wrote to memory of 2088 4472 java.exe 96 PID 4472 wrote to memory of 4480 4472 java.exe 97 PID 4472 wrote to memory of 4480 4472 java.exe 97 PID 2088 wrote to memory of 228 2088 cmd.exe 100 PID 2088 wrote to memory of 228 2088 cmd.exe 100 PID 4480 wrote to memory of 1704 4480 java.exe 101 PID 4480 wrote to memory of 1704 4480 java.exe 101 PID 1704 wrote to memory of 4744 1704 cmd.exe 103 PID 1704 wrote to memory of 4744 1704 cmd.exe 103 PID 4480 wrote to memory of 2984 4480 java.exe 104 PID 4480 wrote to memory of 2984 4480 java.exe 104 PID 2984 wrote to memory of 1180 2984 cmd.exe 106 PID 2984 wrote to memory of 1180 2984 cmd.exe 106 PID 4480 wrote to memory of 4572 4480 java.exe 107 PID 4480 wrote to memory of 4572 4480 java.exe 107 PID 4572 wrote to memory of 4728 4572 cmd.exe 109 PID 4572 wrote to memory of 4728 4572 cmd.exe 109 PID 4480 wrote to memory of 524 4480 java.exe 110 PID 4480 wrote to memory of 524 4480 java.exe 110 PID 524 wrote to memory of 4860 524 cmd.exe 112 PID 524 wrote to memory of 4860 524 cmd.exe 112 -
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
-
C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\85af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f.jar1⤵
- Suspicious use of WriteProcessMemory
PID:3448 -
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:3252
-
-
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\85af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\85af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\85af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f.jar"4⤵
- Creates scheduled task(s)
PID:228
-
-
-
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\85af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4480 -
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:1704 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4744
-
-
-
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:2984 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1180
-
-
-
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:4572 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:4728
-
-
-
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:524 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:4860
-
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
46B
MD5f7fcb7f29d2e2ccbf653a431f1181268
SHA1b6125603025aec3c6ac7381c279c5cdec1d3ce70
SHA256090dbda0caf65a74f076b9c273be88a07212387a6808c2d762d773a2c47621a2
SHA51272f9301682252a7a5cbcd75030fc9bbc8983f0d84f32f0abf0e528047822ab78eb4587ff77bf7630f56e780d0b07203de8a561edf9715535a2a71045d7111c05
-
Filesize
448KB
MD55f44aa92cda88f8b88f783f5ce2df636
SHA1f791bc786571bfb36e94ed6a293fa22304a5df78
SHA25685af8304fde85bfbd5323012e0f79fab0045a85943454c7757dece03686b049f
SHA512446a86271230343e77530136293ff29467d4166f0b812fc6cc99f53a516e492b21f0fe48fdb033f78db8e7a1620c32c00264d995f948f023ea608cdc2ccb5559
-
Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
-
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4124900551-4068476067-3491212533-1000\83aa4cc77f591dfc2374580bbd95f6ba_310807ab-751f-4d81-ae09-b202eaf21e19
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
-
Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
-
Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
-
Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
-
Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d