Analysis
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max time kernel
117s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
01/02/2024, 07:31
Static task
static1
Behavioral task
behavioral1
Sample
3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe
Resource
win10v2004-20231222-en
General
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Target
3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe
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Size
270KB
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MD5
ef2b61de2c6f393844e1de9ad7ffa3d4
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SHA1
d3e04a5e5154d8cb5051dda8e73c75e241265082
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SHA256
3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc
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SHA512
f5e5400874e19a1018e7ecb807f2eb56ef83d9cdfa2c977efe9094a362a830da00f753865616590461dc2a859359e839f04fa132ab601e38e8fe39927794ccd1
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SSDEEP
6144:XqohGYel4VQg/U+Dgx3bMAVVzddi6jWGPxF:XqoglK53DgZMSVFjW0x
Malware Config
Extracted
C:\Users\Admin\Contacts\Data breach warning.txt
https://qtox.github.io
http://raworldw32b2qxevn3gp63pvibgixr4v75z62etlptg3u3pmajwra4ad.onion
http://161.35.200.18
https://gofile.io/d/ufuFye
Signatures
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (212) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Q: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\W: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\R: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\Y: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\U: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\O: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\P: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\A: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\G: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\H: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\J: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\Z: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\V: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\I: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\K: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\B: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\N: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\T: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\M: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\E: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\S: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\L: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe File opened (read-only) \??\X: 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Help\Finish.exe 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2720 vssadmin.exe 1580 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2132 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 2816 vssvc.exe Token: SeRestorePrivilege 2816 vssvc.exe Token: SeAuditPrivilege 2816 vssvc.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2132 wrote to memory of 2400 2132 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe 29 PID 2132 wrote to memory of 2400 2132 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe 29 PID 2132 wrote to memory of 2400 2132 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe 29 PID 2400 wrote to memory of 2720 2400 cmd.exe 31 PID 2400 wrote to memory of 2720 2400 cmd.exe 31 PID 2400 wrote to memory of 2720 2400 cmd.exe 31 PID 2132 wrote to memory of 1756 2132 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe 35 PID 2132 wrote to memory of 1756 2132 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe 35 PID 2132 wrote to memory of 1756 2132 3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe 35 PID 1756 wrote to memory of 1580 1756 cmd.exe 37 PID 1756 wrote to memory of 1580 1756 cmd.exe 37 PID 1756 wrote to memory of 1580 1756 cmd.exe 37 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe"C:\Users\Admin\AppData\Local\Temp\3e5ca77f299d56fad7ebca8259eecd6f47efce6265e8ed621e7b7081f9230cdc.exe"1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:2400 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:2720
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1580
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2816
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5e7264a4c331eac851fa75438919e0531
SHA138f6dc2b0c5e86d38c2a9bd7f5aaf4447be97a61
SHA25607ab218d5c865cb4fe78353340ab923e24a1f2881ec7206520651c5246b1a492
SHA512f8aca867b199f5494dbc6919423788533b4b55f249ac1ab2707c38788212b585eb39234be74d1f2b039d00ee096b5d2036c1066e19e4fa304b048ffb61ca1edb