Analysis
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max time kernel
122s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
19-01-2025 12:15
Behavioral task
behavioral1
Sample
1.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
1.exe
Resource
win10v2004-20241007-en
General
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Target
1.exe
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Size
147KB
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MD5
c09185c157831e4915c255d7002941f4
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SHA1
beca597f2c2c120c3d74163501a81f56664ff4f7
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SHA256
6f3d87f3dcfd248e64d26cf338a19f41a6f93affdde5fab071a631ff38637757
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SHA512
a843854ca79f4d98938635612d20f3d5b79d8661ee91d1ae130b2deffe95e44d7028f76b8b221c87fab0638afe5baf3c55e8348f8aa10dddc90133167a3c17bf
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SSDEEP
3072:SqJogYkcSNm9V7DnfX/91c6G+Mqc+2EIEMF+T:Sq2kc4m9tDnfXPc6g+2XEMF
Malware Config
Extracted
C:\5VFg9o5tW.README.txt
Signatures
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Renames multiple (320) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes itself 1 IoCs
pid Process 1656 EEA3.tmp -
Executes dropped EXE 1 IoCs
pid Process 1656 EEA3.tmp -
Loads dropped DLL 1 IoCs
pid Process 2368 1.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-3692679935-4019334568-335155002-1000\desktop.ini 1.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3692679935-4019334568-335155002-1000\desktop.ini 1.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1656 EEA3.tmp -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EEA3.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2368 1.exe 2368 1.exe 2368 1.exe 2368 1.exe 2368 1.exe 2368 1.exe 2368 1.exe 2368 1.exe 2368 1.exe 2368 1.exe 2368 1.exe 2368 1.exe 2368 1.exe 2368 1.exe -
Suspicious behavior: RenamesItself 26 IoCs
pid Process 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp 1656 EEA3.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeDebugPrivilege 2368 1.exe Token: 36 2368 1.exe Token: SeImpersonatePrivilege 2368 1.exe Token: SeIncBasePriorityPrivilege 2368 1.exe Token: SeIncreaseQuotaPrivilege 2368 1.exe Token: 33 2368 1.exe Token: SeManageVolumePrivilege 2368 1.exe Token: SeProfSingleProcessPrivilege 2368 1.exe Token: SeRestorePrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeSystemProfilePrivilege 2368 1.exe Token: SeTakeOwnershipPrivilege 2368 1.exe Token: SeShutdownPrivilege 2368 1.exe Token: SeDebugPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeBackupPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe Token: SeSecurityPrivilege 2368 1.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2368 wrote to memory of 1656 2368 1.exe 33 PID 2368 wrote to memory of 1656 2368 1.exe 33 PID 2368 wrote to memory of 1656 2368 1.exe 33 PID 2368 wrote to memory of 1656 2368 1.exe 33 PID 2368 wrote to memory of 1656 2368 1.exe 33 PID 1656 wrote to memory of 2860 1656 EEA3.tmp 34 PID 1656 wrote to memory of 2860 1656 EEA3.tmp 34 PID 1656 wrote to memory of 2860 1656 EEA3.tmp 34 PID 1656 wrote to memory of 2860 1656 EEA3.tmp 34
Processes
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C:\Users\Admin\AppData\Local\Temp\1.exe"C:\Users\Admin\AppData\Local\Temp\1.exe"1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\ProgramData\EEA3.tmp"C:\ProgramData\EEA3.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\EEA3.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
PID:2860
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1541⤵PID:1504
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD5f6e2324528f6e42c1502598ab89ff0a0
SHA16151480d090e043782d8a0a34338205bd6354349
SHA2562e3b510e097f028d7c8ac8f09188bf509b6e3c86c78432e83262ee10e906bbc5
SHA512a50b4d53f58a28912b1d845fff4d5814a25d8bdd5e382df77f428140c6603f3c92e0910a538f63f432fd5a5c4ae82716696f487157af51ae1ac9edcda17d6a00
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Filesize
1KB
MD517e3459297cd54cf124d089248ff395b
SHA1617e2ddd0a69a242d4da510d32670a170ff667fa
SHA25694aaefad5d5a9fea79e9271941a5e874951cceac46a110ef0f1de841051f6421
SHA512280536a672423a4bf4df1cb7cd49bd0a7a3f731dfe4543359a84d3a82d734e3882386b336af62a77e2763cbe7fe9e4ff6ae852241dd61ab702cda1b0d2f02e13
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Filesize
147KB
MD5f48862eebb9a7ec82817ea475212940a
SHA1a31930fd432101d5ba0d204f27c0726113c1604b
SHA256c4cbecaa96de62672cfb0ffbde1fa6aefe527e73dd373f2da8547fafba020916
SHA512394f6b91d909eec0f61b32c0bf8e3f07cff99474308c53356a5a59f9730e16df27ee5aa3b6070b6c9f28f01bb020a7ef05a2fab42bab3efd48b2ed33e4869ba7
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Filesize
129B
MD5f6ff8a05b895f54ad7ab7f98198b561a
SHA15d8cc517118a434e0d55c1176d475989d2f3e5fd
SHA2566285ad50509d5fa87ab2a87a2955a05c8d45d3461eb1b81f2929ac8e89ea7be6
SHA512ed651e5e531149af4a311af2d41845f3d72736a5c0ce5aaa9507c4fe0d04c04c4fe1f047bc35f8302a7f091eaea891193405c7f84a9ea31f30998192e8b09f34
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf