Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
07-06-2024 03:12
Static task
static1
Behavioral task
behavioral1
Sample
f8594a3befdb1650618150f76d924aa2ef568676dee558b9c2640900eb00aa27.js
Resource
win7-20240508-en
General
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Target
f8594a3befdb1650618150f76d924aa2ef568676dee558b9c2640900eb00aa27.js
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Size
829KB
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MD5
a4032522c72cd09ce0038131c668046b
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SHA1
f4168f40910558c77e5be2e5a883d9c99ced4bbc
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SHA256
f8594a3befdb1650618150f76d924aa2ef568676dee558b9c2640900eb00aa27
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SHA512
677b8470b6bbd86c0f026ec60491b0b8e3215c503138cfb74e2750fba0824d659ffad3d35d6b75093b60b8636fa8f8ebc86b394e68794a411d3e889648a7afa2
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SSDEEP
6144:XQNzmAgFd0XRVnBZUeaNwiyW3XhsVGqmpx6UydsbvfCWTxTq8tfy8V1ptpsHIg55:gx
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-1-5-21-1181767204-2009306918-3718769404-1000\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\tlbepqo.txt java.exe -
Loads dropped DLL 2 IoCs
Processes:
java.exejava.exepid Process 4716 java.exe 1552 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tlbepqo = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\tlbepqo.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tlbepqo = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\tlbepqo.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 41 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.
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
WMIC.exeWMIC.exedescription pid Process Token: SeIncreaseQuotaPrivilege 1436 WMIC.exe Token: SeSecurityPrivilege 1436 WMIC.exe Token: SeTakeOwnershipPrivilege 1436 WMIC.exe Token: SeLoadDriverPrivilege 1436 WMIC.exe Token: SeSystemProfilePrivilege 1436 WMIC.exe Token: SeSystemtimePrivilege 1436 WMIC.exe Token: SeProfSingleProcessPrivilege 1436 WMIC.exe Token: SeIncBasePriorityPrivilege 1436 WMIC.exe Token: SeCreatePagefilePrivilege 1436 WMIC.exe Token: SeBackupPrivilege 1436 WMIC.exe Token: SeRestorePrivilege 1436 WMIC.exe Token: SeShutdownPrivilege 1436 WMIC.exe Token: SeDebugPrivilege 1436 WMIC.exe Token: SeSystemEnvironmentPrivilege 1436 WMIC.exe Token: SeRemoteShutdownPrivilege 1436 WMIC.exe Token: SeUndockPrivilege 1436 WMIC.exe Token: SeManageVolumePrivilege 1436 WMIC.exe Token: 33 1436 WMIC.exe Token: 34 1436 WMIC.exe Token: 35 1436 WMIC.exe Token: 36 1436 WMIC.exe Token: SeIncreaseQuotaPrivilege 1436 WMIC.exe Token: SeSecurityPrivilege 1436 WMIC.exe Token: SeTakeOwnershipPrivilege 1436 WMIC.exe Token: SeLoadDriverPrivilege 1436 WMIC.exe Token: SeSystemProfilePrivilege 1436 WMIC.exe Token: SeSystemtimePrivilege 1436 WMIC.exe Token: SeProfSingleProcessPrivilege 1436 WMIC.exe Token: SeIncBasePriorityPrivilege 1436 WMIC.exe Token: SeCreatePagefilePrivilege 1436 WMIC.exe Token: SeBackupPrivilege 1436 WMIC.exe Token: SeRestorePrivilege 1436 WMIC.exe Token: SeShutdownPrivilege 1436 WMIC.exe Token: SeDebugPrivilege 1436 WMIC.exe Token: SeSystemEnvironmentPrivilege 1436 WMIC.exe Token: SeRemoteShutdownPrivilege 1436 WMIC.exe Token: SeUndockPrivilege 1436 WMIC.exe Token: SeManageVolumePrivilege 1436 WMIC.exe Token: 33 1436 WMIC.exe Token: 34 1436 WMIC.exe Token: 35 1436 WMIC.exe Token: 36 1436 WMIC.exe Token: SeIncreaseQuotaPrivilege 4656 WMIC.exe Token: SeSecurityPrivilege 4656 WMIC.exe Token: SeTakeOwnershipPrivilege 4656 WMIC.exe Token: SeLoadDriverPrivilege 4656 WMIC.exe Token: SeSystemProfilePrivilege 4656 WMIC.exe Token: SeSystemtimePrivilege 4656 WMIC.exe Token: SeProfSingleProcessPrivilege 4656 WMIC.exe Token: SeIncBasePriorityPrivilege 4656 WMIC.exe Token: SeCreatePagefilePrivilege 4656 WMIC.exe Token: SeBackupPrivilege 4656 WMIC.exe Token: SeRestorePrivilege 4656 WMIC.exe Token: SeShutdownPrivilege 4656 WMIC.exe Token: SeDebugPrivilege 4656 WMIC.exe Token: SeSystemEnvironmentPrivilege 4656 WMIC.exe Token: SeRemoteShutdownPrivilege 4656 WMIC.exe Token: SeUndockPrivilege 4656 WMIC.exe Token: SeManageVolumePrivilege 4656 WMIC.exe Token: 33 4656 WMIC.exe Token: 34 4656 WMIC.exe Token: 35 4656 WMIC.exe Token: 36 4656 WMIC.exe Token: SeIncreaseQuotaPrivilege 4656 WMIC.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
wscript.exejavaw.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 4924 wrote to memory of 3256 4924 wscript.exe 90 PID 4924 wrote to memory of 3256 4924 wscript.exe 90 PID 3256 wrote to memory of 4496 3256 javaw.exe 92 PID 3256 wrote to memory of 4496 3256 javaw.exe 92 PID 3256 wrote to memory of 4716 3256 javaw.exe 104 PID 3256 wrote to memory of 4716 3256 javaw.exe 104 PID 4716 wrote to memory of 876 4716 java.exe 106 PID 4716 wrote to memory of 876 4716 java.exe 106 PID 4716 wrote to memory of 1552 4716 java.exe 107 PID 4716 wrote to memory of 1552 4716 java.exe 107 PID 876 wrote to memory of 4664 876 cmd.exe 110 PID 876 wrote to memory of 4664 876 cmd.exe 110 PID 1552 wrote to memory of 3184 1552 java.exe 112 PID 1552 wrote to memory of 3184 1552 java.exe 112 PID 3184 wrote to memory of 1436 3184 cmd.exe 114 PID 3184 wrote to memory of 1436 3184 cmd.exe 114 PID 1552 wrote to memory of 3200 1552 java.exe 115 PID 1552 wrote to memory of 3200 1552 java.exe 115 PID 3200 wrote to memory of 4656 3200 cmd.exe 117 PID 3200 wrote to memory of 4656 3200 cmd.exe 117 PID 1552 wrote to memory of 3240 1552 java.exe 118 PID 1552 wrote to memory of 3240 1552 java.exe 118 PID 3240 wrote to memory of 3360 3240 cmd.exe 120 PID 3240 wrote to memory of 3360 3240 cmd.exe 120 PID 1552 wrote to memory of 464 1552 java.exe 121 PID 1552 wrote to memory of 464 1552 java.exe 121 PID 464 wrote to memory of 3612 464 cmd.exe 123 PID 464 wrote to memory of 3612 464 cmd.exe 123 -
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\f8594a3befdb1650618150f76d924aa2ef568676dee558b9c2640900eb00aa27.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4924 -
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\tlbepqo.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:3256 -
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:4496
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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\tlbepqo.txt"3⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4716 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\tlbepqo.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:876 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\tlbepqo.txt"5⤵
- Creates scheduled task(s)
PID:4664
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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\tlbepqo.txt"4⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1552 -
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:3184 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1436
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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:3200 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:4656
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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:3240 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵PID:3360
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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:464 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵PID:3612
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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 --no-appcompat-clear --field-trial-handle=3888,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=4176 /prefetch:81⤵PID:1400
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD5f6fb427088b4ee890a7d597d0ad9c8c3
SHA1333974f427e82e40c17d4c977ae961c2eb7106d2
SHA256eac9a67bbab8c9ca2a3c0fa9ea41c6783fac6022bb7e8b5d86e19594033122fe
SHA5121779f95b615e5f671400ff3e6c17d549fe134ed6e5f2df5f3ea4f8290b8da46e22ce98f1bef0864c11d426b60ddce78eafaef55120ae0da703bb38f8d1a19deb
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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-1-5-21-1181767204-2009306918-3718769404-1000\83aa4cc77f591dfc2374580bbd95f6ba_d2547453-e731-4fdf-8f92-95f955a44aca
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