Analysis
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max time kernel
143s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
19/07/2023, 12:47
Static task
static1
Behavioral task
behavioral1
Sample
Factura 2-000059.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
Factura 2-000059.exe
Resource
win10v2004-20230703-en
General
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Target
Factura 2-000059.exe
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Size
593KB
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MD5
eb2415e0582ff085664d4c66754738d7
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SHA1
2d651c548a52ad6cf247dba6ec03d0a86f872e7c
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SHA256
4267e2d7fe9a8a024af4c37d0dfebe2b19475780ff5d503dc33aa5601d67444c
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SHA512
d299f332c5f8867d80253f428ab7bb9c8ad0c5c91e9852731a0eddffd15f9992908a1090577d66a2f441ed83d7c89971a00661bee49b5b8109d7d0874f6a3fb0
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SSDEEP
12288:SPYPfY7NEtj8vTAIMbmhYdQZbptosQQqI+1XY:SPYPgqtQ7AVih0QZMIWI
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.qbangra.com - Port:
587 - Username:
[email protected] - Password:
QBangra2020 - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 2 IoCs
resource yara_rule behavioral2/memory/4304-142-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral2/memory/4304-147-0x0000000003140000-0x0000000003150000-memory.dmp family_snakekeylogger -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura 2-000059.exe Key opened \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura 2-000059.exe Key opened \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura 2-000059.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 54 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 680 set thread context of 4304 680 Factura 2-000059.exe 98 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 680 Factura 2-000059.exe 680 Factura 2-000059.exe 680 Factura 2-000059.exe 680 Factura 2-000059.exe 4304 Factura 2-000059.exe 4304 Factura 2-000059.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 4304 Factura 2-000059.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 680 Factura 2-000059.exe Token: SeDebugPrivilege 4304 Factura 2-000059.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 680 wrote to memory of 836 680 Factura 2-000059.exe 97 PID 680 wrote to memory of 836 680 Factura 2-000059.exe 97 PID 680 wrote to memory of 836 680 Factura 2-000059.exe 97 PID 680 wrote to memory of 4304 680 Factura 2-000059.exe 98 PID 680 wrote to memory of 4304 680 Factura 2-000059.exe 98 PID 680 wrote to memory of 4304 680 Factura 2-000059.exe 98 PID 680 wrote to memory of 4304 680 Factura 2-000059.exe 98 PID 680 wrote to memory of 4304 680 Factura 2-000059.exe 98 PID 680 wrote to memory of 4304 680 Factura 2-000059.exe 98 PID 680 wrote to memory of 4304 680 Factura 2-000059.exe 98 PID 680 wrote to memory of 4304 680 Factura 2-000059.exe 98 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura 2-000059.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Factura 2-000059.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Factura 2-000059.exe"C:\Users\Admin\AppData\Local\Temp\Factura 2-000059.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:680 -
C:\Users\Admin\AppData\Local\Temp\Factura 2-000059.exe"C:\Users\Admin\AppData\Local\Temp\Factura 2-000059.exe"2⤵PID:836
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C:\Users\Admin\AppData\Local\Temp\Factura 2-000059.exe"C:\Users\Admin\AppData\Local\Temp\Factura 2-000059.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4304
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3