Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
31/05/2024, 01:40
Static task
static1
Behavioral task
behavioral1
Sample
d3a09982471977a805269a08024fa2c6881385a219a7db0e198ed10829f68147.js
Resource
win7-20240221-en
General
-
Target
d3a09982471977a805269a08024fa2c6881385a219a7db0e198ed10829f68147.js
-
Size
844KB
-
MD5
6a1c5084f6ab9730c978f152934ea415
-
SHA1
70bfed071fdd2bd7d2e17a26703b922f9fb59198
-
SHA256
d3a09982471977a805269a08024fa2c6881385a219a7db0e198ed10829f68147
-
SHA512
cc08032544a97cb69a725b3c23e99999b528da3adc240745c79d3c4f65eb2481b30f04d3a1a140119c900bac1fa01c47eee0f09ef27a963761df749c0ea9f686
-
SSDEEP
1536:XQX3Q+psvIc+PY6t+ZF90EPTY1feon8ZagilDc8G5AyYWuVBoEFgJd2OVmDSW4CU:XQHV6PNS9KiWEqESW46g
Malware Config
Signatures
-
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-1-5-21-4124900551-4068476067-3491212533-1000\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\milowscykf.txt java.exe -
Loads dropped DLL 2 IoCs
pid Process 552 java.exe 1860 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1224 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\milowscykf = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\milowscykf.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\milowscykf = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\milowscykf.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 41 ip-api.com -
Command and Scripting Interpreter: JavaScript 1 TTPs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2436 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1688 WMIC.exe Token: SeSecurityPrivilege 1688 WMIC.exe Token: SeTakeOwnershipPrivilege 1688 WMIC.exe Token: SeLoadDriverPrivilege 1688 WMIC.exe Token: SeSystemProfilePrivilege 1688 WMIC.exe Token: SeSystemtimePrivilege 1688 WMIC.exe Token: SeProfSingleProcessPrivilege 1688 WMIC.exe Token: SeIncBasePriorityPrivilege 1688 WMIC.exe Token: SeCreatePagefilePrivilege 1688 WMIC.exe Token: SeBackupPrivilege 1688 WMIC.exe Token: SeRestorePrivilege 1688 WMIC.exe Token: SeShutdownPrivilege 1688 WMIC.exe Token: SeDebugPrivilege 1688 WMIC.exe Token: SeSystemEnvironmentPrivilege 1688 WMIC.exe Token: SeRemoteShutdownPrivilege 1688 WMIC.exe Token: SeUndockPrivilege 1688 WMIC.exe Token: SeManageVolumePrivilege 1688 WMIC.exe Token: 33 1688 WMIC.exe Token: 34 1688 WMIC.exe Token: 35 1688 WMIC.exe Token: 36 1688 WMIC.exe Token: SeIncreaseQuotaPrivilege 1688 WMIC.exe Token: SeSecurityPrivilege 1688 WMIC.exe Token: SeTakeOwnershipPrivilege 1688 WMIC.exe Token: SeLoadDriverPrivilege 1688 WMIC.exe Token: SeSystemProfilePrivilege 1688 WMIC.exe Token: SeSystemtimePrivilege 1688 WMIC.exe Token: SeProfSingleProcessPrivilege 1688 WMIC.exe Token: SeIncBasePriorityPrivilege 1688 WMIC.exe Token: SeCreatePagefilePrivilege 1688 WMIC.exe Token: SeBackupPrivilege 1688 WMIC.exe Token: SeRestorePrivilege 1688 WMIC.exe Token: SeShutdownPrivilege 1688 WMIC.exe Token: SeDebugPrivilege 1688 WMIC.exe Token: SeSystemEnvironmentPrivilege 1688 WMIC.exe Token: SeRemoteShutdownPrivilege 1688 WMIC.exe Token: SeUndockPrivilege 1688 WMIC.exe Token: SeManageVolumePrivilege 1688 WMIC.exe Token: 33 1688 WMIC.exe Token: 34 1688 WMIC.exe Token: 35 1688 WMIC.exe Token: 36 1688 WMIC.exe Token: SeIncreaseQuotaPrivilege 1004 WMIC.exe Token: SeSecurityPrivilege 1004 WMIC.exe Token: SeTakeOwnershipPrivilege 1004 WMIC.exe Token: SeLoadDriverPrivilege 1004 WMIC.exe Token: SeSystemProfilePrivilege 1004 WMIC.exe Token: SeSystemtimePrivilege 1004 WMIC.exe Token: SeProfSingleProcessPrivilege 1004 WMIC.exe Token: SeIncBasePriorityPrivilege 1004 WMIC.exe Token: SeCreatePagefilePrivilege 1004 WMIC.exe Token: SeBackupPrivilege 1004 WMIC.exe Token: SeRestorePrivilege 1004 WMIC.exe Token: SeShutdownPrivilege 1004 WMIC.exe Token: SeDebugPrivilege 1004 WMIC.exe Token: SeSystemEnvironmentPrivilege 1004 WMIC.exe Token: SeRemoteShutdownPrivilege 1004 WMIC.exe Token: SeUndockPrivilege 1004 WMIC.exe Token: SeManageVolumePrivilege 1004 WMIC.exe Token: 33 1004 WMIC.exe Token: 34 1004 WMIC.exe Token: 35 1004 WMIC.exe Token: 36 1004 WMIC.exe Token: SeIncreaseQuotaPrivilege 1004 WMIC.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 1892 wrote to memory of 4644 1892 wscript.exe 83 PID 1892 wrote to memory of 4644 1892 wscript.exe 83 PID 4644 wrote to memory of 1224 4644 javaw.exe 85 PID 4644 wrote to memory of 1224 4644 javaw.exe 85 PID 4644 wrote to memory of 552 4644 javaw.exe 95 PID 4644 wrote to memory of 552 4644 javaw.exe 95 PID 552 wrote to memory of 3620 552 java.exe 97 PID 552 wrote to memory of 3620 552 java.exe 97 PID 552 wrote to memory of 1860 552 java.exe 98 PID 552 wrote to memory of 1860 552 java.exe 98 PID 3620 wrote to memory of 2436 3620 cmd.exe 101 PID 3620 wrote to memory of 2436 3620 cmd.exe 101 PID 1860 wrote to memory of 1776 1860 java.exe 103 PID 1860 wrote to memory of 1776 1860 java.exe 103 PID 1776 wrote to memory of 1688 1776 cmd.exe 105 PID 1776 wrote to memory of 1688 1776 cmd.exe 105 PID 1860 wrote to memory of 3420 1860 java.exe 106 PID 1860 wrote to memory of 3420 1860 java.exe 106 PID 3420 wrote to memory of 1004 3420 cmd.exe 108 PID 3420 wrote to memory of 1004 3420 cmd.exe 108 PID 1860 wrote to memory of 4560 1860 java.exe 109 PID 1860 wrote to memory of 4560 1860 java.exe 109 PID 4560 wrote to memory of 3848 4560 cmd.exe 111 PID 4560 wrote to memory of 3848 4560 cmd.exe 111 PID 1860 wrote to memory of 1876 1860 java.exe 112 PID 1860 wrote to memory of 1876 1860 java.exe 112 PID 1876 wrote to memory of 4288 1876 cmd.exe 114 PID 1876 wrote to memory of 4288 1876 cmd.exe 114 -
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
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\d3a09982471977a805269a08024fa2c6881385a219a7db0e198ed10829f68147.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1892 -
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\milowscykf.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:4644 -
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:1224
-
-
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\milowscykf.txt"3⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:552 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\milowscykf.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:3620 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\milowscykf.txt"5⤵
- Creates scheduled task(s)
PID:2436
-
-
-
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\milowscykf.txt"4⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1860 -
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:1776 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1688
-
-
-
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:3420 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1004
-
-
-
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:4560 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵PID:3848
-
-
-
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:1876 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵PID:4288
-
-
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
46B
MD58d5d1f43bad8d88e85f8729bdbd86015
SHA1bf4c1753ed0dc5dcfb4591a59bb599676ecf3ad4
SHA256b5278bd9ad7b6da9a521fa8bc279e1620fc69777ce85cf4a60b378fd016d4431
SHA5128fc4d716329aa844f8f1f04c803e0adc6470edcbddc0210891f19a2db817aab2e1d3f7a2c5f6d44e37668a76fb1d9171ca8d963d6accd075b4ad664a58bc34fd
-
Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
-
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4124900551-4068476067-3491212533-1000\83aa4cc77f591dfc2374580bbd95f6ba_310807ab-751f-4d81-ae09-b202eaf21e19
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
-
Filesize
92KB
MD52cc7e15396dc275497fcf51f461da38d
SHA16fa0f11b6d9e3812a86ff1d43a86ad34bfc41062
SHA256e14f1c7e11a1f1ddd570d605e4204a694a7370d603c1b1ca157e505f180ccc48
SHA512daf71473c48f9592d33a49ff2f6d7b84e2c3a992f18a29979494cae86623328f0137c6ae9046cf3bbeb75d90d2a030d1fdbf3aca8718ea769429ce1e6e4a931f
-
Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
-
Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
-
Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
-
Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d