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
23-10-2024 00:23
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
199KB
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MD5
efe96b774d716e94b8ddf67f11799f72
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SHA1
cebf7446b7712b0be7d4139690413cb0a3ec2926
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SHA256
cc60fd66292a5edd37d23b5f3928015bd7aefa106df32d27adfe0604564ca682
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SHA512
795ff59eab0a6d253c5e039e6695d9f00f6e0a13714f311ecb744102c67fdbf5158812b570b7198bdd21349c6a2757ee85101517e71c446e56910f488cccf853
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SSDEEP
3072:DQ18m6EBIFcNzKF2+uKr0rZvInqhvFm+LeOn6dHihG+KwszDU:DQv6DSNWFUKrOQnqhvFm+0Vio+jR
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-1-5-21-2878641211-696417878-3864914810-1000\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\bgsenscr.txt java.exe -
Loads dropped DLL 2 IoCs
Processes:
java.exejava.exepid Process 4352 java.exe 4940 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\bgsenscr = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\bgsenscr.txt\"" java.exe Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bgsenscr = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\bgsenscr.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 56 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 4336 WMIC.exe Token: SeSecurityPrivilege 4336 WMIC.exe Token: SeTakeOwnershipPrivilege 4336 WMIC.exe Token: SeLoadDriverPrivilege 4336 WMIC.exe Token: SeSystemProfilePrivilege 4336 WMIC.exe Token: SeSystemtimePrivilege 4336 WMIC.exe Token: SeProfSingleProcessPrivilege 4336 WMIC.exe Token: SeIncBasePriorityPrivilege 4336 WMIC.exe Token: SeCreatePagefilePrivilege 4336 WMIC.exe Token: SeBackupPrivilege 4336 WMIC.exe Token: SeRestorePrivilege 4336 WMIC.exe Token: SeShutdownPrivilege 4336 WMIC.exe Token: SeDebugPrivilege 4336 WMIC.exe Token: SeSystemEnvironmentPrivilege 4336 WMIC.exe Token: SeRemoteShutdownPrivilege 4336 WMIC.exe Token: SeUndockPrivilege 4336 WMIC.exe Token: SeManageVolumePrivilege 4336 WMIC.exe Token: 33 4336 WMIC.exe Token: 34 4336 WMIC.exe Token: 35 4336 WMIC.exe Token: 36 4336 WMIC.exe Token: SeIncreaseQuotaPrivilege 4336 WMIC.exe Token: SeSecurityPrivilege 4336 WMIC.exe Token: SeTakeOwnershipPrivilege 4336 WMIC.exe Token: SeLoadDriverPrivilege 4336 WMIC.exe Token: SeSystemProfilePrivilege 4336 WMIC.exe Token: SeSystemtimePrivilege 4336 WMIC.exe Token: SeProfSingleProcessPrivilege 4336 WMIC.exe Token: SeIncBasePriorityPrivilege 4336 WMIC.exe Token: SeCreatePagefilePrivilege 4336 WMIC.exe Token: SeBackupPrivilege 4336 WMIC.exe Token: SeRestorePrivilege 4336 WMIC.exe Token: SeShutdownPrivilege 4336 WMIC.exe Token: SeDebugPrivilege 4336 WMIC.exe Token: SeSystemEnvironmentPrivilege 4336 WMIC.exe Token: SeRemoteShutdownPrivilege 4336 WMIC.exe Token: SeUndockPrivilege 4336 WMIC.exe Token: SeManageVolumePrivilege 4336 WMIC.exe Token: 33 4336 WMIC.exe Token: 34 4336 WMIC.exe Token: 35 4336 WMIC.exe Token: 36 4336 WMIC.exe Token: SeIncreaseQuotaPrivilege 1816 WMIC.exe Token: SeSecurityPrivilege 1816 WMIC.exe Token: SeTakeOwnershipPrivilege 1816 WMIC.exe Token: SeLoadDriverPrivilege 1816 WMIC.exe Token: SeSystemProfilePrivilege 1816 WMIC.exe Token: SeSystemtimePrivilege 1816 WMIC.exe Token: SeProfSingleProcessPrivilege 1816 WMIC.exe Token: SeIncBasePriorityPrivilege 1816 WMIC.exe Token: SeCreatePagefilePrivilege 1816 WMIC.exe Token: SeBackupPrivilege 1816 WMIC.exe Token: SeRestorePrivilege 1816 WMIC.exe Token: SeShutdownPrivilege 1816 WMIC.exe Token: SeDebugPrivilege 1816 WMIC.exe Token: SeSystemEnvironmentPrivilege 1816 WMIC.exe Token: SeRemoteShutdownPrivilege 1816 WMIC.exe Token: SeUndockPrivilege 1816 WMIC.exe Token: SeManageVolumePrivilege 1816 WMIC.exe Token: 33 1816 WMIC.exe Token: 34 1816 WMIC.exe Token: 35 1816 WMIC.exe Token: 36 1816 WMIC.exe Token: SeIncreaseQuotaPrivilege 1816 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
wscript.exejavaw.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 3120 wrote to memory of 4872 3120 wscript.exe 84 PID 3120 wrote to memory of 4872 3120 wscript.exe 84 PID 4872 wrote to memory of 4352 4872 javaw.exe 93 PID 4872 wrote to memory of 4352 4872 javaw.exe 93 PID 4352 wrote to memory of 4396 4352 java.exe 97 PID 4352 wrote to memory of 4396 4352 java.exe 97 PID 4352 wrote to memory of 4940 4352 java.exe 98 PID 4352 wrote to memory of 4940 4352 java.exe 98 PID 4396 wrote to memory of 5116 4396 cmd.exe 101 PID 4396 wrote to memory of 5116 4396 cmd.exe 101 PID 4940 wrote to memory of 5108 4940 java.exe 111 PID 4940 wrote to memory of 5108 4940 java.exe 111 PID 5108 wrote to memory of 4336 5108 cmd.exe 113 PID 5108 wrote to memory of 4336 5108 cmd.exe 113 PID 4940 wrote to memory of 2748 4940 java.exe 114 PID 4940 wrote to memory of 2748 4940 java.exe 114 PID 2748 wrote to memory of 1816 2748 cmd.exe 116 PID 2748 wrote to memory of 1816 2748 cmd.exe 116 PID 4940 wrote to memory of 4404 4940 java.exe 117 PID 4940 wrote to memory of 4404 4940 java.exe 117 PID 4404 wrote to memory of 3812 4404 cmd.exe 119 PID 4404 wrote to memory of 3812 4404 cmd.exe 119 PID 4940 wrote to memory of 4380 4940 java.exe 120 PID 4940 wrote to memory of 4380 4940 java.exe 120 PID 4380 wrote to memory of 3964 4380 cmd.exe 122 PID 4380 wrote to memory of 3964 4380 cmd.exe 122 -
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:3120 -
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\bgsenscr.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\bgsenscr.txt"3⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4352 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\bgsenscr.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:4396 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\bgsenscr.txt"5⤵
- Scheduled Task/Job: Scheduled Task
PID:5116
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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\bgsenscr.txt"4⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4940 -
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:5108 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:4336
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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:2748 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Suspicious use of AdjustPrivilegeToken
PID:1816
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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:4404 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵PID:3812
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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:4380 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵PID:3964
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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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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-1-5-21-2878641211-696417878-3864914810-1000\83aa4cc77f591dfc2374580bbd95f6ba_4fc725d8-4f7d-4884-b878-08bb0ce6c800
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