Analysis
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max time kernel
145s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
30-07-2024 16:11
Static task
static1
Behavioral task
behavioral1
Sample
4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar
Resource
win10v2004-20240709-en
General
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Target
4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar
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Size
400KB
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MD5
1562675352c69cc1ecba3c247501af29
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SHA1
5beeeb995f7a0a5550eaf97ffd010992ee716643
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SHA256
4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd
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SHA512
7db315a671af8ac38835b632d3dba8e133f5ece241cb7f4a0b0f375620268cbf4ac6fa215fd5fc0c166f19561ef55d6f08ad67821e46c731570b8bb1f8545f6d
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SSDEEP
12288:0QKsHTT5/YEwDFoEv763/qSncsfP9iNoDQ:0hoTT5dQOvhP9QeQ
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\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid Process 2624 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar\"" java.exe Set value (str) \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.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 36 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 3380 WMIC.exe Token: SeSecurityPrivilege 3380 WMIC.exe Token: SeTakeOwnershipPrivilege 3380 WMIC.exe Token: SeLoadDriverPrivilege 3380 WMIC.exe Token: SeSystemProfilePrivilege 3380 WMIC.exe Token: SeSystemtimePrivilege 3380 WMIC.exe Token: SeProfSingleProcessPrivilege 3380 WMIC.exe Token: SeIncBasePriorityPrivilege 3380 WMIC.exe Token: SeCreatePagefilePrivilege 3380 WMIC.exe Token: SeBackupPrivilege 3380 WMIC.exe Token: SeRestorePrivilege 3380 WMIC.exe Token: SeShutdownPrivilege 3380 WMIC.exe Token: SeDebugPrivilege 3380 WMIC.exe Token: SeSystemEnvironmentPrivilege 3380 WMIC.exe Token: SeRemoteShutdownPrivilege 3380 WMIC.exe Token: SeUndockPrivilege 3380 WMIC.exe Token: SeManageVolumePrivilege 3380 WMIC.exe Token: 33 3380 WMIC.exe Token: 34 3380 WMIC.exe Token: 35 3380 WMIC.exe Token: 36 3380 WMIC.exe Token: SeIncreaseQuotaPrivilege 3380 WMIC.exe Token: SeSecurityPrivilege 3380 WMIC.exe Token: SeTakeOwnershipPrivilege 3380 WMIC.exe Token: SeLoadDriverPrivilege 3380 WMIC.exe Token: SeSystemProfilePrivilege 3380 WMIC.exe Token: SeSystemtimePrivilege 3380 WMIC.exe Token: SeProfSingleProcessPrivilege 3380 WMIC.exe Token: SeIncBasePriorityPrivilege 3380 WMIC.exe Token: SeCreatePagefilePrivilege 3380 WMIC.exe Token: SeBackupPrivilege 3380 WMIC.exe Token: SeRestorePrivilege 3380 WMIC.exe Token: SeShutdownPrivilege 3380 WMIC.exe Token: SeDebugPrivilege 3380 WMIC.exe Token: SeSystemEnvironmentPrivilege 3380 WMIC.exe Token: SeRemoteShutdownPrivilege 3380 WMIC.exe Token: SeUndockPrivilege 3380 WMIC.exe Token: SeManageVolumePrivilege 3380 WMIC.exe Token: 33 3380 WMIC.exe Token: 34 3380 WMIC.exe Token: 35 3380 WMIC.exe Token: 36 3380 WMIC.exe Token: SeIncreaseQuotaPrivilege 3228 WMIC.exe Token: SeSecurityPrivilege 3228 WMIC.exe Token: SeTakeOwnershipPrivilege 3228 WMIC.exe Token: SeLoadDriverPrivilege 3228 WMIC.exe Token: SeSystemProfilePrivilege 3228 WMIC.exe Token: SeSystemtimePrivilege 3228 WMIC.exe Token: SeProfSingleProcessPrivilege 3228 WMIC.exe Token: SeIncBasePriorityPrivilege 3228 WMIC.exe Token: SeCreatePagefilePrivilege 3228 WMIC.exe Token: SeBackupPrivilege 3228 WMIC.exe Token: SeRestorePrivilege 3228 WMIC.exe Token: SeShutdownPrivilege 3228 WMIC.exe Token: SeDebugPrivilege 3228 WMIC.exe Token: SeSystemEnvironmentPrivilege 3228 WMIC.exe Token: SeRemoteShutdownPrivilege 3228 WMIC.exe Token: SeUndockPrivilege 3228 WMIC.exe Token: SeManageVolumePrivilege 3228 WMIC.exe Token: 33 3228 WMIC.exe Token: 34 3228 WMIC.exe Token: 35 3228 WMIC.exe Token: 36 3228 WMIC.exe Token: SeIncreaseQuotaPrivilege 3228 WMIC.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
java.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 2292 wrote to memory of 4516 2292 java.exe 91 PID 2292 wrote to memory of 4516 2292 java.exe 91 PID 4516 wrote to memory of 1728 4516 java.exe 94 PID 4516 wrote to memory of 1728 4516 java.exe 94 PID 4516 wrote to memory of 2624 4516 java.exe 95 PID 4516 wrote to memory of 2624 4516 java.exe 95 PID 1728 wrote to memory of 1380 1728 cmd.exe 98 PID 1728 wrote to memory of 1380 1728 cmd.exe 98 PID 2624 wrote to memory of 1412 2624 java.exe 99 PID 2624 wrote to memory of 1412 2624 java.exe 99 PID 1412 wrote to memory of 3380 1412 cmd.exe 101 PID 1412 wrote to memory of 3380 1412 cmd.exe 101 PID 2624 wrote to memory of 1568 2624 java.exe 102 PID 2624 wrote to memory of 1568 2624 java.exe 102 PID 1568 wrote to memory of 3228 1568 cmd.exe 104 PID 1568 wrote to memory of 3228 1568 cmd.exe 104 PID 2624 wrote to memory of 1208 2624 java.exe 105 PID 2624 wrote to memory of 1208 2624 java.exe 105 PID 1208 wrote to memory of 3452 1208 cmd.exe 107 PID 1208 wrote to memory of 3452 1208 cmd.exe 107 PID 2624 wrote to memory of 1660 2624 java.exe 108 PID 2624 wrote to memory of 1660 2624 java.exe 108 PID 1660 wrote to memory of 4660 1660 cmd.exe 110 PID 1660 wrote to memory of 4660 1660 cmd.exe 110 -
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\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar1⤵
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4516 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:1380
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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\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2624 -
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:1412 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3380
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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:1568 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3228
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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:1208 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:3452
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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:1660 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:4660
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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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Filesize
46B
MD5c8f2d5de6ea07be5a0badabba3f5863c
SHA170660acab1d00cc96df13c6d4cb1889a2c039d53
SHA2566d9aa8f207555add1843b45e0d0de7a11788d6dcdd8d3b8edebd0c596a943af4
SHA512d8e66cf1e788002e553c9e7c27e1e735e0e779ce93e2f84acd76c09cf9cd313e67e7338e6dff2bedfc785ecd918017a4256dcf121f70bf1bb01a60b79986a01c
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
400KB
MD51562675352c69cc1ecba3c247501af29
SHA15beeeb995f7a0a5550eaf97ffd010992ee716643
SHA2564c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd
SHA5127db315a671af8ac38835b632d3dba8e133f5ece241cb7f4a0b0f375620268cbf4ac6fa215fd5fc0c166f19561ef55d6f08ad67821e46c731570b8bb1f8545f6d
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-384068567-2943195810-3631207890-1000\83aa4cc77f591dfc2374580bbd95f6ba_89cda556-130e-4f17-88ab-af18fe5b92e6
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