Analysis
-
max time kernel
150s -
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
17-05-2024 02:03
Behavioral task
behavioral1
Sample
e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar
Resource
win10v2004-20240508-en
General
-
Target
e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar
-
Size
171KB
-
MD5
09ec32ed78593f4771eb485d97ef14eb
-
SHA1
fccc0ccfd0872a9e38411a6cfb1d614ad442592e
-
SHA256
e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f
-
SHA512
e14cf2f8ed7f569a4fed85ed7e2058ff681a42ba9c0321b459e93218ea2fda90e22e8ff743f9ce18a33b4ef70eb4b8b6a556ec74330ee418376dd3066c11d695
-
SSDEEP
3072:yqfHZmyFAZhheBlFzzGY6zZSHj9WTs4B9S93KJ3F08M1syWu:yiyeNSY6zZk5FY6KJ9u
Malware Config
Extracted
strrat
axe.ydns.eu:3232
jnchinacp.ydns.eu:147
-
license_id
JXYU-7CPT-BJRM-66GN-22SV
-
plugins_url
http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5
-
scheduled_task
true
-
secondary_startup
true
-
startup
true
Signatures
-
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 1464 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 816 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\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.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 41 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 4596 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2508 WMIC.exe Token: SeSecurityPrivilege 2508 WMIC.exe Token: SeTakeOwnershipPrivilege 2508 WMIC.exe Token: SeLoadDriverPrivilege 2508 WMIC.exe Token: SeSystemProfilePrivilege 2508 WMIC.exe Token: SeSystemtimePrivilege 2508 WMIC.exe Token: SeProfSingleProcessPrivilege 2508 WMIC.exe Token: SeIncBasePriorityPrivilege 2508 WMIC.exe Token: SeCreatePagefilePrivilege 2508 WMIC.exe Token: SeBackupPrivilege 2508 WMIC.exe Token: SeRestorePrivilege 2508 WMIC.exe Token: SeShutdownPrivilege 2508 WMIC.exe Token: SeDebugPrivilege 2508 WMIC.exe Token: SeSystemEnvironmentPrivilege 2508 WMIC.exe Token: SeRemoteShutdownPrivilege 2508 WMIC.exe Token: SeUndockPrivilege 2508 WMIC.exe Token: SeManageVolumePrivilege 2508 WMIC.exe Token: 33 2508 WMIC.exe Token: 34 2508 WMIC.exe Token: 35 2508 WMIC.exe Token: 36 2508 WMIC.exe Token: SeIncreaseQuotaPrivilege 2508 WMIC.exe Token: SeSecurityPrivilege 2508 WMIC.exe Token: SeTakeOwnershipPrivilege 2508 WMIC.exe Token: SeLoadDriverPrivilege 2508 WMIC.exe Token: SeSystemProfilePrivilege 2508 WMIC.exe Token: SeSystemtimePrivilege 2508 WMIC.exe Token: SeProfSingleProcessPrivilege 2508 WMIC.exe Token: SeIncBasePriorityPrivilege 2508 WMIC.exe Token: SeCreatePagefilePrivilege 2508 WMIC.exe Token: SeBackupPrivilege 2508 WMIC.exe Token: SeRestorePrivilege 2508 WMIC.exe Token: SeShutdownPrivilege 2508 WMIC.exe Token: SeDebugPrivilege 2508 WMIC.exe Token: SeSystemEnvironmentPrivilege 2508 WMIC.exe Token: SeRemoteShutdownPrivilege 2508 WMIC.exe Token: SeUndockPrivilege 2508 WMIC.exe Token: SeManageVolumePrivilege 2508 WMIC.exe Token: 33 2508 WMIC.exe Token: 34 2508 WMIC.exe Token: 35 2508 WMIC.exe Token: 36 2508 WMIC.exe Token: SeIncreaseQuotaPrivilege 1036 WMIC.exe Token: SeSecurityPrivilege 1036 WMIC.exe Token: SeTakeOwnershipPrivilege 1036 WMIC.exe Token: SeLoadDriverPrivilege 1036 WMIC.exe Token: SeSystemProfilePrivilege 1036 WMIC.exe Token: SeSystemtimePrivilege 1036 WMIC.exe Token: SeProfSingleProcessPrivilege 1036 WMIC.exe Token: SeIncBasePriorityPrivilege 1036 WMIC.exe Token: SeCreatePagefilePrivilege 1036 WMIC.exe Token: SeBackupPrivilege 1036 WMIC.exe Token: SeRestorePrivilege 1036 WMIC.exe Token: SeShutdownPrivilege 1036 WMIC.exe Token: SeDebugPrivilege 1036 WMIC.exe Token: SeSystemEnvironmentPrivilege 1036 WMIC.exe Token: SeRemoteShutdownPrivilege 1036 WMIC.exe Token: SeUndockPrivilege 1036 WMIC.exe Token: SeManageVolumePrivilege 1036 WMIC.exe Token: 33 1036 WMIC.exe Token: 34 1036 WMIC.exe Token: 35 1036 WMIC.exe Token: 36 1036 WMIC.exe Token: SeIncreaseQuotaPrivilege 1036 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4732 wrote to memory of 816 4732 java.exe 84 PID 4732 wrote to memory of 816 4732 java.exe 84 PID 4732 wrote to memory of 3744 4732 java.exe 96 PID 4732 wrote to memory of 3744 4732 java.exe 96 PID 3744 wrote to memory of 4836 3744 java.exe 98 PID 3744 wrote to memory of 4836 3744 java.exe 98 PID 3744 wrote to memory of 1464 3744 java.exe 99 PID 3744 wrote to memory of 1464 3744 java.exe 99 PID 4836 wrote to memory of 4596 4836 cmd.exe 102 PID 4836 wrote to memory of 4596 4836 cmd.exe 102 PID 1464 wrote to memory of 2872 1464 java.exe 104 PID 1464 wrote to memory of 2872 1464 java.exe 104 PID 2872 wrote to memory of 2508 2872 cmd.exe 106 PID 2872 wrote to memory of 2508 2872 cmd.exe 106 PID 1464 wrote to memory of 3536 1464 java.exe 107 PID 1464 wrote to memory of 3536 1464 java.exe 107 PID 3536 wrote to memory of 1036 3536 cmd.exe 109 PID 3536 wrote to memory of 1036 3536 cmd.exe 109 PID 1464 wrote to memory of 3620 1464 java.exe 110 PID 1464 wrote to memory of 3620 1464 java.exe 110 PID 3620 wrote to memory of 4924 3620 cmd.exe 112 PID 3620 wrote to memory of 4924 3620 cmd.exe 112 PID 1464 wrote to memory of 3716 1464 java.exe 113 PID 1464 wrote to memory of 3716 1464 java.exe 113 PID 3716 wrote to memory of 1324 3716 cmd.exe 115 PID 3716 wrote to memory of 1324 3716 cmd.exe 115 -
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\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4732 -
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:816
-
-
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3744 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:4836 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar"4⤵
- Creates scheduled task(s)
PID:4596
-
-
-
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\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1464 -
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:2508
-
-
-
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:3536 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1036
-
-
-
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:3620 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:4924
-
-
-
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:3716 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:1324
-
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
46B
MD5d4bc6e18f910e7616b4dc0ea1eb7d29a
SHA1bca5dd158c978457eb8c0c0af99c6223b28c248c
SHA25654ee94379f15697d45ccddcf7b2abca1557fe22934327596c4a7d4746205ff67
SHA512d384879a74d1f8e78488be562441e7b5a47e200de6f52dcc5de8944c5bc549941455171e791fe953edd44bd49615f11e06e113e86c619fb655d42109a7ecab19
-
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
171KB
MD509ec32ed78593f4771eb485d97ef14eb
SHA1fccc0ccfd0872a9e38411a6cfb1d614ad442592e
SHA256e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f
SHA512e14cf2f8ed7f569a4fed85ed7e2058ff681a42ba9c0321b459e93218ea2fda90e22e8ff743f9ce18a33b4ef70eb4b8b6a556ec74330ee418376dd3066c11d695
-
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