Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22-09-2024 01:07
Static task
static1
Behavioral task
behavioral1
Sample
2a795381c3f24bb2dff736aee0688aa59b175e298d80c0c9a07641494c44c6a1.js
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2a795381c3f24bb2dff736aee0688aa59b175e298d80c0c9a07641494c44c6a1.js
Resource
win10v2004-20240802-en
General
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Target
2a795381c3f24bb2dff736aee0688aa59b175e298d80c0c9a07641494c44c6a1.js
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Size
205KB
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MD5
0696c7901122e77fa14c809f27a6aad9
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SHA1
19d3756f324115ab95132fe51af131139b172464
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SHA256
2a795381c3f24bb2dff736aee0688aa59b175e298d80c0c9a07641494c44c6a1
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SHA512
a0fe885d56e0ee25648bfa67fc5b60220d224a29e1f11f456a6451a104b0b752ab534962dfffa143f0c2b9617e8472cec8822863ae78ae53e42f322651e37524
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SSDEEP
6144:HQblscPp7Odm/khWV/wUS5rxvUbwFpzBy3PhiZaWUcvitF:waOLkMILxLs3PhiZaWUcviL
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-1-5-21-2170637797-568393320-3232933035-1000\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\kjsbnhaka.txt java.exe -
Loads dropped DLL 2 IoCs
Processes:
java.exejava.exepid Process 316 java.exe 5076 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kjsbnhaka = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\kjsbnhaka.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kjsbnhaka = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\kjsbnhaka.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 46 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 3252 WMIC.exe Token: SeSecurityPrivilege 3252 WMIC.exe Token: SeTakeOwnershipPrivilege 3252 WMIC.exe Token: SeLoadDriverPrivilege 3252 WMIC.exe Token: SeSystemProfilePrivilege 3252 WMIC.exe Token: SeSystemtimePrivilege 3252 WMIC.exe Token: SeProfSingleProcessPrivilege 3252 WMIC.exe Token: SeIncBasePriorityPrivilege 3252 WMIC.exe Token: SeCreatePagefilePrivilege 3252 WMIC.exe Token: SeBackupPrivilege 3252 WMIC.exe Token: SeRestorePrivilege 3252 WMIC.exe Token: SeShutdownPrivilege 3252 WMIC.exe Token: SeDebugPrivilege 3252 WMIC.exe Token: SeSystemEnvironmentPrivilege 3252 WMIC.exe Token: SeRemoteShutdownPrivilege 3252 WMIC.exe Token: SeUndockPrivilege 3252 WMIC.exe Token: SeManageVolumePrivilege 3252 WMIC.exe Token: 33 3252 WMIC.exe Token: 34 3252 WMIC.exe Token: 35 3252 WMIC.exe Token: 36 3252 WMIC.exe Token: SeIncreaseQuotaPrivilege 3252 WMIC.exe Token: SeSecurityPrivilege 3252 WMIC.exe Token: SeTakeOwnershipPrivilege 3252 WMIC.exe Token: SeLoadDriverPrivilege 3252 WMIC.exe Token: SeSystemProfilePrivilege 3252 WMIC.exe Token: SeSystemtimePrivilege 3252 WMIC.exe Token: SeProfSingleProcessPrivilege 3252 WMIC.exe Token: SeIncBasePriorityPrivilege 3252 WMIC.exe Token: SeCreatePagefilePrivilege 3252 WMIC.exe Token: SeBackupPrivilege 3252 WMIC.exe Token: SeRestorePrivilege 3252 WMIC.exe Token: SeShutdownPrivilege 3252 WMIC.exe Token: SeDebugPrivilege 3252 WMIC.exe Token: SeSystemEnvironmentPrivilege 3252 WMIC.exe Token: SeRemoteShutdownPrivilege 3252 WMIC.exe Token: SeUndockPrivilege 3252 WMIC.exe Token: SeManageVolumePrivilege 3252 WMIC.exe Token: 33 3252 WMIC.exe Token: 34 3252 WMIC.exe Token: 35 3252 WMIC.exe Token: 36 3252 WMIC.exe Token: SeIncreaseQuotaPrivilege 6136 WMIC.exe Token: SeSecurityPrivilege 6136 WMIC.exe Token: SeTakeOwnershipPrivilege 6136 WMIC.exe Token: SeLoadDriverPrivilege 6136 WMIC.exe Token: SeSystemProfilePrivilege 6136 WMIC.exe Token: SeSystemtimePrivilege 6136 WMIC.exe Token: SeProfSingleProcessPrivilege 6136 WMIC.exe Token: SeIncBasePriorityPrivilege 6136 WMIC.exe Token: SeCreatePagefilePrivilege 6136 WMIC.exe Token: SeBackupPrivilege 6136 WMIC.exe Token: SeRestorePrivilege 6136 WMIC.exe Token: SeShutdownPrivilege 6136 WMIC.exe Token: SeDebugPrivilege 6136 WMIC.exe Token: SeSystemEnvironmentPrivilege 6136 WMIC.exe Token: SeRemoteShutdownPrivilege 6136 WMIC.exe Token: SeUndockPrivilege 6136 WMIC.exe Token: SeManageVolumePrivilege 6136 WMIC.exe Token: 33 6136 WMIC.exe Token: 34 6136 WMIC.exe Token: 35 6136 WMIC.exe Token: 36 6136 WMIC.exe Token: SeIncreaseQuotaPrivilege 6136 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
wscript.exejavaw.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 5560 wrote to memory of 5044 5560 wscript.exe 89 PID 5560 wrote to memory of 5044 5560 wscript.exe 89 PID 5044 wrote to memory of 316 5044 javaw.exe 99 PID 5044 wrote to memory of 316 5044 javaw.exe 99 PID 316 wrote to memory of 3884 316 java.exe 101 PID 316 wrote to memory of 3884 316 java.exe 101 PID 316 wrote to memory of 5076 316 java.exe 102 PID 316 wrote to memory of 5076 316 java.exe 102 PID 3884 wrote to memory of 3812 3884 cmd.exe 105 PID 3884 wrote to memory of 3812 3884 cmd.exe 105 PID 5076 wrote to memory of 2532 5076 java.exe 106 PID 5076 wrote to memory of 2532 5076 java.exe 106 PID 2532 wrote to memory of 3252 2532 cmd.exe 108 PID 2532 wrote to memory of 3252 2532 cmd.exe 108 PID 5076 wrote to memory of 2516 5076 java.exe 109 PID 5076 wrote to memory of 2516 5076 java.exe 109 PID 2516 wrote to memory of 6136 2516 cmd.exe 111 PID 2516 wrote to memory of 6136 2516 cmd.exe 111 PID 5076 wrote to memory of 5488 5076 java.exe 112 PID 5076 wrote to memory of 5488 5076 java.exe 112 PID 5488 wrote to memory of 3468 5488 cmd.exe 114 PID 5488 wrote to memory of 3468 5488 cmd.exe 114 PID 5076 wrote to memory of 4524 5076 java.exe 115 PID 5076 wrote to memory of 4524 5076 java.exe 115 PID 4524 wrote to memory of 2676 4524 cmd.exe 117 PID 4524 wrote to memory of 2676 4524 cmd.exe 117 -
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\2a795381c3f24bb2dff736aee0688aa59b175e298d80c0c9a07641494c44c6a1.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5560 -
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\kjsbnhaka.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\kjsbnhaka.txt"3⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:316 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\kjsbnhaka.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:3884 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\kjsbnhaka.txt"5⤵
- Scheduled Task/Job: Scheduled Task
PID:3812
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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\kjsbnhaka.txt"4⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5076 -
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:2532 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:3252
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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:2516 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:6136
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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:5488 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵PID:3468
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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:4524 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵PID:2676
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4300,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=3880 /prefetch:81⤵PID:2196
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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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
46B
MD5fd26289edfd159ea4ea22334a16b372c
SHA14ff611f97c14f198a98c5318ee4219c858cee0c0
SHA256fc52010bca328d3c5aeba69a69c8ac4ccba261bc90a36a368667855a0150a657
SHA512717cb734324f8f86f8761826ef52d90840d20de8173943f9a2de70041089436f8fafcb4070b05b84284d23b85c71449b56e0423ba199acf4d6e7b23d38970c12
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2170637797-568393320-3232933035-1000\83aa4cc77f591dfc2374580bbd95f6ba_76278eb0-9988-43b4-9423-af5897ebbcb4
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