Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-10-2024 14:12
Static task
static1
Behavioral task
behavioral1
Sample
proof of payment.js
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
proof of payment.js
Resource
win10v2004-20241007-en
General
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Target
proof of payment.js
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Size
205KB
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MD5
b60592cb963de5d1cb804db6c07dd289
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SHA1
20c09f859df663850c5f6ec109bc9a5a2831c022
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SHA256
c31cee51acf037dd2a09dd6dfddc5e889df9646af5625f827007c5b795b0dbb6
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SHA512
253537ea93ebf4c2decacea5a99ef1b7351d839498f690357a9ce6bc57baf2835b40cc7a7d4819a0e69cdfabea28290c0b6f3ea6c71971ca99967c789a59e251
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SSDEEP
3072:DQGJLNtKFO/4xaWihrT5UAE5mZgyFz+OOdBdlsNzsQVmWp7:DQ6/n/WaWiha95bQz+OOjdMzsQVmWZ
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-1-5-21-2437139445-1151884604-3026847218-1000\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\mmaxrtikf.txt java.exe -
Loads dropped DLL 2 IoCs
Processes:
java.exejava.exepid process 964 java.exe 4924 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mmaxrtikf = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\mmaxrtikf.txt\"" java.exe Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mmaxrtikf = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\mmaxrtikf.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 43 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 1968 WMIC.exe Token: SeSecurityPrivilege 1968 WMIC.exe Token: SeTakeOwnershipPrivilege 1968 WMIC.exe Token: SeLoadDriverPrivilege 1968 WMIC.exe Token: SeSystemProfilePrivilege 1968 WMIC.exe Token: SeSystemtimePrivilege 1968 WMIC.exe Token: SeProfSingleProcessPrivilege 1968 WMIC.exe Token: SeIncBasePriorityPrivilege 1968 WMIC.exe Token: SeCreatePagefilePrivilege 1968 WMIC.exe Token: SeBackupPrivilege 1968 WMIC.exe Token: SeRestorePrivilege 1968 WMIC.exe Token: SeShutdownPrivilege 1968 WMIC.exe Token: SeDebugPrivilege 1968 WMIC.exe Token: SeSystemEnvironmentPrivilege 1968 WMIC.exe Token: SeRemoteShutdownPrivilege 1968 WMIC.exe Token: SeUndockPrivilege 1968 WMIC.exe Token: SeManageVolumePrivilege 1968 WMIC.exe Token: 33 1968 WMIC.exe Token: 34 1968 WMIC.exe Token: 35 1968 WMIC.exe Token: 36 1968 WMIC.exe Token: SeIncreaseQuotaPrivilege 1968 WMIC.exe Token: SeSecurityPrivilege 1968 WMIC.exe Token: SeTakeOwnershipPrivilege 1968 WMIC.exe Token: SeLoadDriverPrivilege 1968 WMIC.exe Token: SeSystemProfilePrivilege 1968 WMIC.exe Token: SeSystemtimePrivilege 1968 WMIC.exe Token: SeProfSingleProcessPrivilege 1968 WMIC.exe Token: SeIncBasePriorityPrivilege 1968 WMIC.exe Token: SeCreatePagefilePrivilege 1968 WMIC.exe Token: SeBackupPrivilege 1968 WMIC.exe Token: SeRestorePrivilege 1968 WMIC.exe Token: SeShutdownPrivilege 1968 WMIC.exe Token: SeDebugPrivilege 1968 WMIC.exe Token: SeSystemEnvironmentPrivilege 1968 WMIC.exe Token: SeRemoteShutdownPrivilege 1968 WMIC.exe Token: SeUndockPrivilege 1968 WMIC.exe Token: SeManageVolumePrivilege 1968 WMIC.exe Token: 33 1968 WMIC.exe Token: 34 1968 WMIC.exe Token: 35 1968 WMIC.exe Token: 36 1968 WMIC.exe Token: SeIncreaseQuotaPrivilege 904 WMIC.exe Token: SeSecurityPrivilege 904 WMIC.exe Token: SeTakeOwnershipPrivilege 904 WMIC.exe Token: SeLoadDriverPrivilege 904 WMIC.exe Token: SeSystemProfilePrivilege 904 WMIC.exe Token: SeSystemtimePrivilege 904 WMIC.exe Token: SeProfSingleProcessPrivilege 904 WMIC.exe Token: SeIncBasePriorityPrivilege 904 WMIC.exe Token: SeCreatePagefilePrivilege 904 WMIC.exe Token: SeBackupPrivilege 904 WMIC.exe Token: SeRestorePrivilege 904 WMIC.exe Token: SeShutdownPrivilege 904 WMIC.exe Token: SeDebugPrivilege 904 WMIC.exe Token: SeSystemEnvironmentPrivilege 904 WMIC.exe Token: SeRemoteShutdownPrivilege 904 WMIC.exe Token: SeUndockPrivilege 904 WMIC.exe Token: SeManageVolumePrivilege 904 WMIC.exe Token: 33 904 WMIC.exe Token: 34 904 WMIC.exe Token: 35 904 WMIC.exe Token: 36 904 WMIC.exe Token: SeIncreaseQuotaPrivilege 904 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
wscript.exejavaw.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid process target process PID 4968 wrote to memory of 3252 4968 wscript.exe javaw.exe PID 4968 wrote to memory of 3252 4968 wscript.exe javaw.exe PID 3252 wrote to memory of 964 3252 javaw.exe java.exe PID 3252 wrote to memory of 964 3252 javaw.exe java.exe PID 964 wrote to memory of 116 964 java.exe cmd.exe PID 964 wrote to memory of 116 964 java.exe cmd.exe PID 964 wrote to memory of 4924 964 java.exe java.exe PID 964 wrote to memory of 4924 964 java.exe java.exe PID 116 wrote to memory of 3204 116 cmd.exe schtasks.exe PID 116 wrote to memory of 3204 116 cmd.exe schtasks.exe PID 4924 wrote to memory of 1468 4924 java.exe cmd.exe PID 4924 wrote to memory of 1468 4924 java.exe cmd.exe PID 1468 wrote to memory of 1968 1468 cmd.exe WMIC.exe PID 1468 wrote to memory of 1968 1468 cmd.exe WMIC.exe PID 4924 wrote to memory of 2688 4924 java.exe cmd.exe PID 4924 wrote to memory of 2688 4924 java.exe cmd.exe PID 2688 wrote to memory of 904 2688 cmd.exe WMIC.exe PID 2688 wrote to memory of 904 2688 cmd.exe WMIC.exe PID 4924 wrote to memory of 1688 4924 java.exe cmd.exe PID 4924 wrote to memory of 1688 4924 java.exe cmd.exe PID 1688 wrote to memory of 2988 1688 cmd.exe WMIC.exe PID 1688 wrote to memory of 2988 1688 cmd.exe WMIC.exe PID 4924 wrote to memory of 2984 4924 java.exe cmd.exe PID 4924 wrote to memory of 2984 4924 java.exe cmd.exe PID 2984 wrote to memory of 1100 2984 cmd.exe WMIC.exe PID 2984 wrote to memory of 1100 2984 cmd.exe WMIC.exe -
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\proof of payment.js"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4968 -
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\mmaxrtikf.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:3252 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\mmaxrtikf.txt"3⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:964 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\mmaxrtikf.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\mmaxrtikf.txt"5⤵
- Scheduled Task/Job: Scheduled Task
PID:3204
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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\mmaxrtikf.txt"4⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4924 -
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:1468 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1968
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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:2688 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:904
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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:1688 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵PID:2988
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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:2984 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵PID:1100
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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
MD5ef9094ef154209e1dc30d811e41f9fd8
SHA173657cd10f2963c8226753584568be8550115775
SHA2564aa8d9f0917fee68f97135f9941e0bc03a6dde1cda9c53b8cac869543e7a9c00
SHA51239db94c036055c34e98484d498f70cb2d5f50f0d217bcaabefe79f3deaecf7a05ece2a441df4cd42a8617a5ad060dc2c70eaa2a4764db978fb6aa320a66e5c75
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Filesize
46B
MD5d814f17a5302a4ed8bdd5f304eb8d377
SHA126ab79701287a6188c6ae4e41c9a6ae8d72de5ab
SHA2569193378fdbbc8b8f3605d02d24264cf415b957ca78d3898701b921f24286b9ff
SHA512327b172acfc1c45ffbca6e3f0eebf5f01e202c45ae1842c3646fd7b1e11c81b92be0dbcff8198ee590026f014d2e1a0e11f13d5eb8754c2a59d839b1d4e9ea2f
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2437139445-1151884604-3026847218-1000\83aa4cc77f591dfc2374580bbd95f6ba_4304acb9-c3f6-452a-9860-eb4e85d38d4e
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
92KB
MD57b51be77942ed021489dbf24edec3de0
SHA187c16cedede053c98a0e8ee17ffbfdeb8525071b
SHA256489004af1fd6085da359ab80ecce733e9bda9d5f7ddf08edcd5ae38a24826177
SHA5125590644bcebbebd12d597ab11a5fe6fa584800ca8eda8cea45b5bd5b81bccccc92a1f5362282b74934f68ce5820bb6cd89c5e43cf328445105c42d4367194706
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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