Analysis
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max time kernel
145s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06-08-2024 11:06
Static task
static1
Behavioral task
behavioral1
Sample
BESTELLSCHEIN N?24030979.jar
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
BESTELLSCHEIN N?24030979.jar
Resource
win10v2004-20240802-en
General
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Target
BESTELLSCHEIN N?24030979.jar
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Size
400KB
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MD5
8352685f41275e213e460ced90c988eb
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SHA1
66d7398a756d1829587b795511a6a601b17110b1
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SHA256
316032ba749aa4cda9f8db6963e9b8b6f10ef6e0a31760d716815cf79828ce55
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SHA512
e70ef25eccce76111dd2c0b7d2bc7f5130963fa65447ec5f596846e3a2cb4b47d45dd007cac2d66d30f32dcd9a18469012cf9a8cf208286d339f0d57f7cec0fb
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SSDEEP
12288:eLxmHTG54XfLDZcvv7f3JvyTcftP9iNiW:eNiTG5Gyj5vP9QT
Malware Config
Signatures
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\BESTELLSCHEIN N_24030979.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 4036 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BESTELLSCHEIN N_24030979 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\BESTELLSCHEIN N_24030979.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BESTELLSCHEIN N_24030979 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\BESTELLSCHEIN N_24030979.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 28 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.
pid Process 3520 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3528 WMIC.exe Token: SeSecurityPrivilege 3528 WMIC.exe Token: SeTakeOwnershipPrivilege 3528 WMIC.exe Token: SeLoadDriverPrivilege 3528 WMIC.exe Token: SeSystemProfilePrivilege 3528 WMIC.exe Token: SeSystemtimePrivilege 3528 WMIC.exe Token: SeProfSingleProcessPrivilege 3528 WMIC.exe Token: SeIncBasePriorityPrivilege 3528 WMIC.exe Token: SeCreatePagefilePrivilege 3528 WMIC.exe Token: SeBackupPrivilege 3528 WMIC.exe Token: SeRestorePrivilege 3528 WMIC.exe Token: SeShutdownPrivilege 3528 WMIC.exe Token: SeDebugPrivilege 3528 WMIC.exe Token: SeSystemEnvironmentPrivilege 3528 WMIC.exe Token: SeRemoteShutdownPrivilege 3528 WMIC.exe Token: SeUndockPrivilege 3528 WMIC.exe Token: SeManageVolumePrivilege 3528 WMIC.exe Token: 33 3528 WMIC.exe Token: 34 3528 WMIC.exe Token: 35 3528 WMIC.exe Token: 36 3528 WMIC.exe Token: SeIncreaseQuotaPrivilege 3528 WMIC.exe Token: SeSecurityPrivilege 3528 WMIC.exe Token: SeTakeOwnershipPrivilege 3528 WMIC.exe Token: SeLoadDriverPrivilege 3528 WMIC.exe Token: SeSystemProfilePrivilege 3528 WMIC.exe Token: SeSystemtimePrivilege 3528 WMIC.exe Token: SeProfSingleProcessPrivilege 3528 WMIC.exe Token: SeIncBasePriorityPrivilege 3528 WMIC.exe Token: SeCreatePagefilePrivilege 3528 WMIC.exe Token: SeBackupPrivilege 3528 WMIC.exe Token: SeRestorePrivilege 3528 WMIC.exe Token: SeShutdownPrivilege 3528 WMIC.exe Token: SeDebugPrivilege 3528 WMIC.exe Token: SeSystemEnvironmentPrivilege 3528 WMIC.exe Token: SeRemoteShutdownPrivilege 3528 WMIC.exe Token: SeUndockPrivilege 3528 WMIC.exe Token: SeManageVolumePrivilege 3528 WMIC.exe Token: 33 3528 WMIC.exe Token: 34 3528 WMIC.exe Token: 35 3528 WMIC.exe Token: 36 3528 WMIC.exe Token: SeIncreaseQuotaPrivilege 1172 WMIC.exe Token: SeSecurityPrivilege 1172 WMIC.exe Token: SeTakeOwnershipPrivilege 1172 WMIC.exe Token: SeLoadDriverPrivilege 1172 WMIC.exe Token: SeSystemProfilePrivilege 1172 WMIC.exe Token: SeSystemtimePrivilege 1172 WMIC.exe Token: SeProfSingleProcessPrivilege 1172 WMIC.exe Token: SeIncBasePriorityPrivilege 1172 WMIC.exe Token: SeCreatePagefilePrivilege 1172 WMIC.exe Token: SeBackupPrivilege 1172 WMIC.exe Token: SeRestorePrivilege 1172 WMIC.exe Token: SeShutdownPrivilege 1172 WMIC.exe Token: SeDebugPrivilege 1172 WMIC.exe Token: SeSystemEnvironmentPrivilege 1172 WMIC.exe Token: SeRemoteShutdownPrivilege 1172 WMIC.exe Token: SeUndockPrivilege 1172 WMIC.exe Token: SeManageVolumePrivilege 1172 WMIC.exe Token: 33 1172 WMIC.exe Token: 34 1172 WMIC.exe Token: 35 1172 WMIC.exe Token: 36 1172 WMIC.exe Token: SeIncreaseQuotaPrivilege 1172 WMIC.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1352 wrote to memory of 2448 1352 java.exe 87 PID 1352 wrote to memory of 2448 1352 java.exe 87 PID 2448 wrote to memory of 4304 2448 java.exe 89 PID 2448 wrote to memory of 4304 2448 java.exe 89 PID 2448 wrote to memory of 4036 2448 java.exe 90 PID 2448 wrote to memory of 4036 2448 java.exe 90 PID 4304 wrote to memory of 3520 4304 cmd.exe 93 PID 4304 wrote to memory of 3520 4304 cmd.exe 93 PID 4036 wrote to memory of 1608 4036 java.exe 94 PID 4036 wrote to memory of 1608 4036 java.exe 94 PID 1608 wrote to memory of 3528 1608 cmd.exe 96 PID 1608 wrote to memory of 3528 1608 cmd.exe 96 PID 4036 wrote to memory of 4812 4036 java.exe 98 PID 4036 wrote to memory of 4812 4036 java.exe 98 PID 4812 wrote to memory of 1172 4812 cmd.exe 100 PID 4812 wrote to memory of 1172 4812 cmd.exe 100 PID 4036 wrote to memory of 1468 4036 java.exe 101 PID 4036 wrote to memory of 1468 4036 java.exe 101 PID 1468 wrote to memory of 4976 1468 cmd.exe 103 PID 1468 wrote to memory of 4976 1468 cmd.exe 103 PID 4036 wrote to memory of 1648 4036 java.exe 104 PID 4036 wrote to memory of 1648 4036 java.exe 104 PID 1648 wrote to memory of 4588 1648 cmd.exe 106 PID 1648 wrote to memory of 4588 1648 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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar "C:\Users\Admin\AppData\Local\Temp\BESTELLSCHEIN N_24030979.jar"1⤵
- Suspicious use of WriteProcessMemory
PID:1352 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\BESTELLSCHEIN N_24030979.jar"2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\BESTELLSCHEIN N_24030979.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:4304 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\BESTELLSCHEIN N_24030979.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:3520
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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\BESTELLSCHEIN N_24030979.jar"3⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4036 -
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:1608 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3528
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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:4812 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1172
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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:1468 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:4976
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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:1648 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:4588
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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
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2412658365-3084825385-3340777666-1000\83aa4cc77f591dfc2374580bbd95f6ba_dd06e985-ac7f-4567-b0c7-3752f03c29fc
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
400KB
MD58352685f41275e213e460ced90c988eb
SHA166d7398a756d1829587b795511a6a601b17110b1
SHA256316032ba749aa4cda9f8db6963e9b8b6f10ef6e0a31760d716815cf79828ce55
SHA512e70ef25eccce76111dd2c0b7d2bc7f5130963fa65447ec5f596846e3a2cb4b47d45dd007cac2d66d30f32dcd9a18469012cf9a8cf208286d339f0d57f7cec0fb
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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