Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
30-05-2024 01:37
Static task
static1
Behavioral task
behavioral1
Sample
ed0b6130808ed7feb630ab33d8ab2bc27d2292a418eb9e0da253be96182282f2.js
Resource
win7-20240221-en
General
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Target
ed0b6130808ed7feb630ab33d8ab2bc27d2292a418eb9e0da253be96182282f2.js
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Size
847KB
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MD5
df72b6093c6815d39358aacea690f07a
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SHA1
63ee37b0cd1b4dc3855b94c6a6f5805bd86388fb
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SHA256
ed0b6130808ed7feb630ab33d8ab2bc27d2292a418eb9e0da253be96182282f2
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SHA512
cbadc902a129e862262f2d9d0fdf108fe6267097de9d2f0539df293025a815294346e514d62655defc97d8b856027336255a883b018793a9b33c598644b45324
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SSDEEP
6144:XQTEI4vwybyl9DK/LiuM0bwucacoS1tGDKMnMcoeNFVZiMeDPtKefB3EenWDiM12:gZ
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bjflwsgaz.txt java.exe -
Loads dropped DLL 2 IoCs
pid Process 5048 java.exe 4648 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 3524 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bjflwsgaz = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\bjflwsgaz.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bjflwsgaz = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\bjflwsgaz.txt\"" 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 32 ip-api.com -
Command and Scripting Interpreter: JavaScript 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1764 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 5036 WMIC.exe Token: SeSecurityPrivilege 5036 WMIC.exe Token: SeTakeOwnershipPrivilege 5036 WMIC.exe Token: SeLoadDriverPrivilege 5036 WMIC.exe Token: SeSystemProfilePrivilege 5036 WMIC.exe Token: SeSystemtimePrivilege 5036 WMIC.exe Token: SeProfSingleProcessPrivilege 5036 WMIC.exe Token: SeIncBasePriorityPrivilege 5036 WMIC.exe Token: SeCreatePagefilePrivilege 5036 WMIC.exe Token: SeBackupPrivilege 5036 WMIC.exe Token: SeRestorePrivilege 5036 WMIC.exe Token: SeShutdownPrivilege 5036 WMIC.exe Token: SeDebugPrivilege 5036 WMIC.exe Token: SeSystemEnvironmentPrivilege 5036 WMIC.exe Token: SeRemoteShutdownPrivilege 5036 WMIC.exe Token: SeUndockPrivilege 5036 WMIC.exe Token: SeManageVolumePrivilege 5036 WMIC.exe Token: 33 5036 WMIC.exe Token: 34 5036 WMIC.exe Token: 35 5036 WMIC.exe Token: 36 5036 WMIC.exe Token: SeIncreaseQuotaPrivilege 5036 WMIC.exe Token: SeSecurityPrivilege 5036 WMIC.exe Token: SeTakeOwnershipPrivilege 5036 WMIC.exe Token: SeLoadDriverPrivilege 5036 WMIC.exe Token: SeSystemProfilePrivilege 5036 WMIC.exe Token: SeSystemtimePrivilege 5036 WMIC.exe Token: SeProfSingleProcessPrivilege 5036 WMIC.exe Token: SeIncBasePriorityPrivilege 5036 WMIC.exe Token: SeCreatePagefilePrivilege 5036 WMIC.exe Token: SeBackupPrivilege 5036 WMIC.exe Token: SeRestorePrivilege 5036 WMIC.exe Token: SeShutdownPrivilege 5036 WMIC.exe Token: SeDebugPrivilege 5036 WMIC.exe Token: SeSystemEnvironmentPrivilege 5036 WMIC.exe Token: SeRemoteShutdownPrivilege 5036 WMIC.exe Token: SeUndockPrivilege 5036 WMIC.exe Token: SeManageVolumePrivilege 5036 WMIC.exe Token: 33 5036 WMIC.exe Token: 34 5036 WMIC.exe Token: 35 5036 WMIC.exe Token: 36 5036 WMIC.exe Token: SeIncreaseQuotaPrivilege 3148 WMIC.exe Token: SeSecurityPrivilege 3148 WMIC.exe Token: SeTakeOwnershipPrivilege 3148 WMIC.exe Token: SeLoadDriverPrivilege 3148 WMIC.exe Token: SeSystemProfilePrivilege 3148 WMIC.exe Token: SeSystemtimePrivilege 3148 WMIC.exe Token: SeProfSingleProcessPrivilege 3148 WMIC.exe Token: SeIncBasePriorityPrivilege 3148 WMIC.exe Token: SeCreatePagefilePrivilege 3148 WMIC.exe Token: SeBackupPrivilege 3148 WMIC.exe Token: SeRestorePrivilege 3148 WMIC.exe Token: SeShutdownPrivilege 3148 WMIC.exe Token: SeDebugPrivilege 3148 WMIC.exe Token: SeSystemEnvironmentPrivilege 3148 WMIC.exe Token: SeRemoteShutdownPrivilege 3148 WMIC.exe Token: SeUndockPrivilege 3148 WMIC.exe Token: SeManageVolumePrivilege 3148 WMIC.exe Token: 33 3148 WMIC.exe Token: 34 3148 WMIC.exe Token: 35 3148 WMIC.exe Token: 36 3148 WMIC.exe Token: SeIncreaseQuotaPrivilege 3148 WMIC.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 804 wrote to memory of 2996 804 wscript.exe 82 PID 804 wrote to memory of 2996 804 wscript.exe 82 PID 2996 wrote to memory of 3524 2996 javaw.exe 84 PID 2996 wrote to memory of 3524 2996 javaw.exe 84 PID 2996 wrote to memory of 5048 2996 javaw.exe 92 PID 2996 wrote to memory of 5048 2996 javaw.exe 92 PID 5048 wrote to memory of 4460 5048 java.exe 94 PID 5048 wrote to memory of 4460 5048 java.exe 94 PID 5048 wrote to memory of 4648 5048 java.exe 95 PID 5048 wrote to memory of 4648 5048 java.exe 95 PID 4460 wrote to memory of 1764 4460 cmd.exe 98 PID 4460 wrote to memory of 1764 4460 cmd.exe 98 PID 4648 wrote to memory of 4852 4648 java.exe 100 PID 4648 wrote to memory of 4852 4648 java.exe 100 PID 4852 wrote to memory of 5036 4852 cmd.exe 102 PID 4852 wrote to memory of 5036 4852 cmd.exe 102 PID 4648 wrote to memory of 4964 4648 java.exe 103 PID 4648 wrote to memory of 4964 4648 java.exe 103 PID 4964 wrote to memory of 3148 4964 cmd.exe 105 PID 4964 wrote to memory of 3148 4964 cmd.exe 105 PID 4648 wrote to memory of 3232 4648 java.exe 106 PID 4648 wrote to memory of 3232 4648 java.exe 106 PID 3232 wrote to memory of 4764 3232 cmd.exe 108 PID 3232 wrote to memory of 4764 3232 cmd.exe 108 PID 4648 wrote to memory of 1064 4648 java.exe 109 PID 4648 wrote to memory of 1064 4648 java.exe 109 PID 1064 wrote to memory of 3792 1064 cmd.exe 111 PID 1064 wrote to memory of 3792 1064 cmd.exe 111 -
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:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\ed0b6130808ed7feb630ab33d8ab2bc27d2292a418eb9e0da253be96182282f2.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:804 -
C:\Program Files\Java\jre-1.8\bin\javaw.exe"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\bjflwsgaz.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M3⤵
- Modifies file permissions
PID:3524
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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\bjflwsgaz.txt"3⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:5048 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\bjflwsgaz.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:4460 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\bjflwsgaz.txt"5⤵
- Creates scheduled task(s)
PID:1764
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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\bjflwsgaz.txt"4⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:5036
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:4964 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:3148
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:3232 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵PID:4764
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"5⤵
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵PID:3792
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD5155a368bbad73edf71ae37c9afb68fcd
SHA1daf2f6a763b70437ac156e45896fb0a6806b7f3d
SHA256f3ba8de6e31237d17b11acc2b5d75cdb065d6aaa258530058590403bc72440ca
SHA512d4f003e41ed6bc418ed79db2aa25df9fb948988b87105ff8fe520a3bcb32f4f9d3592ab54052fe1eab52d66c7d6b100b485a8a2e735e9fa2fd1be9ab8cabb103
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-711569230-3659488422-571408806-1000\83aa4cc77f591dfc2374580bbd95f6ba_5fd6b8d9-48b3-42c0-adc7-08f9fe7c965e
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
92KB
MD52cc7e15396dc275497fcf51f461da38d
SHA16fa0f11b6d9e3812a86ff1d43a86ad34bfc41062
SHA256e14f1c7e11a1f1ddd570d605e4204a694a7370d603c1b1ca157e505f180ccc48
SHA512daf71473c48f9592d33a49ff2f6d7b84e2c3a992f18a29979494cae86623328f0137c6ae9046cf3bbeb75d90d2a030d1fdbf3aca8718ea769429ce1e6e4a931f
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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