Analysis
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max time kernel
146s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-10-2024 05:20
Static task
static1
Behavioral task
behavioral1
Sample
a7c286cfc63ae4954730d6b1ff98773f00e89ae36164469ea4ca0aa1abac471c.js
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a7c286cfc63ae4954730d6b1ff98773f00e89ae36164469ea4ca0aa1abac471c.js
Resource
win10v2004-20241007-en
General
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Target
a7c286cfc63ae4954730d6b1ff98773f00e89ae36164469ea4ca0aa1abac471c.js
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Size
207KB
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MD5
fcb0bce3701f97644ea1340f9c9cc1bb
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SHA1
c8d0d47d359c5517367a5498a07683953f7f2d24
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SHA256
a7c286cfc63ae4954730d6b1ff98773f00e89ae36164469ea4ca0aa1abac471c
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SHA512
35227e9411aa0662b6879478d7e00d301005d0029e6bd60859cca1f9467c5328662878ce0882d91a7f44e3b4734f4a8a73d8675bfa1cb78a8a5514405c4d1f04
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SSDEEP
3072:KQNbiR6lbDxMEbQcgOE9KdYnrdsUEJ6EgqVNJfggIjZGUYD+iwEgZg:KQJiREdxgB9VnxsLgqr7IjQUYDQXS
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.
Processes:
wscript.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 1 IoCs
Processes:
java.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\zbaikrg.txt java.exe -
Loads dropped DLL 2 IoCs
Processes:
java.exejava.exepid Process 3092 java.exe 1136 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbaikrg = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\zbaikrg.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zbaikrg = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\zbaikrg.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.
Processes:
flow ioc 55 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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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 2916 WMIC.exe Token: SeSecurityPrivilege 2916 WMIC.exe Token: SeTakeOwnershipPrivilege 2916 WMIC.exe Token: SeLoadDriverPrivilege 2916 WMIC.exe Token: SeSystemProfilePrivilege 2916 WMIC.exe Token: SeSystemtimePrivilege 2916 WMIC.exe Token: SeProfSingleProcessPrivilege 2916 WMIC.exe Token: SeIncBasePriorityPrivilege 2916 WMIC.exe Token: SeCreatePagefilePrivilege 2916 WMIC.exe Token: SeBackupPrivilege 2916 WMIC.exe Token: SeRestorePrivilege 2916 WMIC.exe Token: SeShutdownPrivilege 2916 WMIC.exe Token: SeDebugPrivilege 2916 WMIC.exe Token: SeSystemEnvironmentPrivilege 2916 WMIC.exe Token: SeRemoteShutdownPrivilege 2916 WMIC.exe Token: SeUndockPrivilege 2916 WMIC.exe Token: SeManageVolumePrivilege 2916 WMIC.exe Token: 33 2916 WMIC.exe Token: 34 2916 WMIC.exe Token: 35 2916 WMIC.exe Token: 36 2916 WMIC.exe Token: SeIncreaseQuotaPrivilege 2916 WMIC.exe Token: SeSecurityPrivilege 2916 WMIC.exe Token: SeTakeOwnershipPrivilege 2916 WMIC.exe Token: SeLoadDriverPrivilege 2916 WMIC.exe Token: SeSystemProfilePrivilege 2916 WMIC.exe Token: SeSystemtimePrivilege 2916 WMIC.exe Token: SeProfSingleProcessPrivilege 2916 WMIC.exe Token: SeIncBasePriorityPrivilege 2916 WMIC.exe Token: SeCreatePagefilePrivilege 2916 WMIC.exe Token: SeBackupPrivilege 2916 WMIC.exe Token: SeRestorePrivilege 2916 WMIC.exe Token: SeShutdownPrivilege 2916 WMIC.exe Token: SeDebugPrivilege 2916 WMIC.exe Token: SeSystemEnvironmentPrivilege 2916 WMIC.exe Token: SeRemoteShutdownPrivilege 2916 WMIC.exe Token: SeUndockPrivilege 2916 WMIC.exe Token: SeManageVolumePrivilege 2916 WMIC.exe Token: 33 2916 WMIC.exe Token: 34 2916 WMIC.exe Token: 35 2916 WMIC.exe Token: 36 2916 WMIC.exe Token: SeIncreaseQuotaPrivilege 4348 WMIC.exe Token: SeSecurityPrivilege 4348 WMIC.exe Token: SeTakeOwnershipPrivilege 4348 WMIC.exe Token: SeLoadDriverPrivilege 4348 WMIC.exe Token: SeSystemProfilePrivilege 4348 WMIC.exe Token: SeSystemtimePrivilege 4348 WMIC.exe Token: SeProfSingleProcessPrivilege 4348 WMIC.exe Token: SeIncBasePriorityPrivilege 4348 WMIC.exe Token: SeCreatePagefilePrivilege 4348 WMIC.exe Token: SeBackupPrivilege 4348 WMIC.exe Token: SeRestorePrivilege 4348 WMIC.exe Token: SeShutdownPrivilege 4348 WMIC.exe Token: SeDebugPrivilege 4348 WMIC.exe Token: SeSystemEnvironmentPrivilege 4348 WMIC.exe Token: SeRemoteShutdownPrivilege 4348 WMIC.exe Token: SeUndockPrivilege 4348 WMIC.exe Token: SeManageVolumePrivilege 4348 WMIC.exe Token: 33 4348 WMIC.exe Token: 34 4348 WMIC.exe Token: 35 4348 WMIC.exe Token: 36 4348 WMIC.exe Token: SeIncreaseQuotaPrivilege 4348 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
wscript.exejavaw.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 3312 wrote to memory of 3956 3312 wscript.exe 84 PID 3312 wrote to memory of 3956 3312 wscript.exe 84 PID 3956 wrote to memory of 3092 3956 javaw.exe 93 PID 3956 wrote to memory of 3092 3956 javaw.exe 93 PID 3092 wrote to memory of 216 3092 java.exe 97 PID 3092 wrote to memory of 216 3092 java.exe 97 PID 3092 wrote to memory of 1136 3092 java.exe 98 PID 3092 wrote to memory of 1136 3092 java.exe 98 PID 216 wrote to memory of 2976 216 cmd.exe 101 PID 216 wrote to memory of 2976 216 cmd.exe 101 PID 1136 wrote to memory of 3988 1136 java.exe 109 PID 1136 wrote to memory of 3988 1136 java.exe 109 PID 3988 wrote to memory of 2916 3988 cmd.exe 111 PID 3988 wrote to memory of 2916 3988 cmd.exe 111 PID 1136 wrote to memory of 2956 1136 java.exe 112 PID 1136 wrote to memory of 2956 1136 java.exe 112 PID 2956 wrote to memory of 4348 2956 cmd.exe 114 PID 2956 wrote to memory of 4348 2956 cmd.exe 114 PID 1136 wrote to memory of 3664 1136 java.exe 115 PID 1136 wrote to memory of 3664 1136 java.exe 115 PID 3664 wrote to memory of 3200 3664 cmd.exe 117 PID 3664 wrote to memory of 3200 3664 cmd.exe 117 PID 1136 wrote to memory of 4848 1136 java.exe 118 PID 1136 wrote to memory of 4848 1136 java.exe 118 PID 4848 wrote to memory of 4456 4848 cmd.exe 120 PID 4848 wrote to memory of 4456 4848 cmd.exe 120 -
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\a7c286cfc63ae4954730d6b1ff98773f00e89ae36164469ea4ca0aa1abac471c.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3312 -
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\zbaikrg.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:3956 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\zbaikrg.txt"3⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3092 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\zbaikrg.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:216 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\zbaikrg.txt"5⤵
- Scheduled Task/Job: Scheduled Task
PID:2976
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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\zbaikrg.txt"4⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1136 -
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:3988 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:2916
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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:2956 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:4348
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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:3664 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵PID:3200
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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:4848 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵PID:4456
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1JavaScript
1Scheduled Task/Job
1Scheduled Task
1Persistence
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
MD5577594f027c2e41d4752dfbfc100deee
SHA17cb3ddb362455bba20851984d7e1b92fca521239
SHA256c7fe8ee794dad2b0a00c0f9aa351ef7112b63a74f68a651e3162f16e0648e063
SHA5122ebc8da66b018f8c46680ee55f2290237d8567a4b3252bb855af80523121791267b7317a7cdab430218af52f4e0956c3999a322f32e2bf3a6fd693652dd7489f
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3350944739-639801879-157714471-1000\83aa4cc77f591dfc2374580bbd95f6ba_dd2803c7-d377-4f06-bdfe-aea230fc7b0e
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