Analysis
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max time kernel
145s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
14/07/2023, 06:41
Static task
static1
Behavioral task
behavioral1
Sample
Fatura n. 24.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
Fatura n. 24.exe
Resource
win10v2004-20230703-en
General
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Target
Fatura n. 24.exe
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Size
602KB
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MD5
764fe6da2d63d33c57105a7f193de2fe
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SHA1
c434951ca63e276b09aa1898575144b3f449939d
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SHA256
221d2dd6e3f557fc5706b3fc70b7412993265406831e7816d0732cd3087c023d
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SHA512
05ff5a4a10db9e4885b18053bf263833bbceceffe3da6697b3805e1a51eda6dea8b8744fd5ef5b4d89c2d527ec0a304f3a89e09906f8a56814aacc6aa3ce7c2f
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SSDEEP
12288:IDp8J0xn/G06CmodxPBJNdUMIP3BxUrDhH6wS4ASI3nevf:lJ0xeUZPNWbUrNH84rff
Malware Config
Extracted
Protocol: smtp- Host:
mail.mutuadebasto.pt - Port:
587 - Username:
[email protected] - Password:
mutua_Fernando123
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.mutuadebasto.pt - Port:
587 - Username:
[email protected] - Password:
mutua_Fernando123 - 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/3484-142-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral2/memory/3484-150-0x0000000005240000-0x0000000005250000-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 Fatura n. 24.exe Key opened \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fatura n. 24.exe Key opened \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fatura n. 24.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 35 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1216 set thread context of 3484 1216 Fatura n. 24.exe 95 -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 1216 Fatura n. 24.exe 1216 Fatura n. 24.exe 1216 Fatura n. 24.exe 1216 Fatura n. 24.exe 3484 Fatura n. 24.exe 3484 Fatura n. 24.exe 3484 Fatura n. 24.exe 3484 Fatura n. 24.exe 3484 Fatura n. 24.exe 3484 Fatura n. 24.exe 3484 Fatura n. 24.exe 3484 Fatura n. 24.exe 3484 Fatura n. 24.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3484 Fatura n. 24.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1216 Fatura n. 24.exe Token: SeDebugPrivilege 3484 Fatura n. 24.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1216 wrote to memory of 4348 1216 Fatura n. 24.exe 94 PID 1216 wrote to memory of 4348 1216 Fatura n. 24.exe 94 PID 1216 wrote to memory of 4348 1216 Fatura n. 24.exe 94 PID 1216 wrote to memory of 3484 1216 Fatura n. 24.exe 95 PID 1216 wrote to memory of 3484 1216 Fatura n. 24.exe 95 PID 1216 wrote to memory of 3484 1216 Fatura n. 24.exe 95 PID 1216 wrote to memory of 3484 1216 Fatura n. 24.exe 95 PID 1216 wrote to memory of 3484 1216 Fatura n. 24.exe 95 PID 1216 wrote to memory of 3484 1216 Fatura n. 24.exe 95 PID 1216 wrote to memory of 3484 1216 Fatura n. 24.exe 95 PID 1216 wrote to memory of 3484 1216 Fatura n. 24.exe 95 -
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 Fatura n. 24.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 Fatura n. 24.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Fatura n. 24.exe"C:\Users\Admin\AppData\Local\Temp\Fatura n. 24.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Users\Admin\AppData\Local\Temp\Fatura n. 24.exe"C:\Users\Admin\AppData\Local\Temp\Fatura n. 24.exe"2⤵PID:4348
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C:\Users\Admin\AppData\Local\Temp\Fatura n. 24.exe"C:\Users\Admin\AppData\Local\Temp\Fatura n. 24.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3484
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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