Analysis
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max time kernel
139s -
max time network
148s -
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, 12:46
Static task
static1
Behavioral task
behavioral1
Sample
Profoma Invoice.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
Profoma Invoice.exe
Resource
win10v2004-20230703-en
General
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Target
Profoma Invoice.exe
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Size
590KB
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MD5
71a6978a9fa2085234b08af213a85394
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SHA1
387997a190c9b12787827903d8b552f4c2448c4a
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SHA256
bd7340bfb3d38cb418bb4c539f63898ea6b7e69823c808665620844313c21ddf
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SHA512
e480835b33144e1b96b8edeb6aff492b6706ee359a2d257376592e44f2e6337cd0a4214e5f42b8298b0bf5b4a4f98e62fb0fdd762a2b17188f64d13dc0de18ba
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SSDEEP
6144:9SnVudiQAPAjPP+iY7JIwd8rTc9BtUYzitmVAWzR4+/7HysCrCFX3mS1B6jKPjp5:eTPYPfY7Hd8rw0wms/0jq8r
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
webmail.satnet.net - Port:
587 - Username:
[email protected] - Password:
reve1563
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/4180-142-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral2/memory/4180-150-0x0000000005A50000-0x0000000005A60000-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-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Profoma Invoice.exe Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Profoma Invoice.exe Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Profoma Invoice.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 61 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2552 set thread context of 4180 2552 Profoma Invoice.exe 98 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4180 Profoma Invoice.exe 4180 Profoma Invoice.exe 4180 Profoma Invoice.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 4180 Profoma Invoice.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4180 Profoma Invoice.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2552 wrote to memory of 4180 2552 Profoma Invoice.exe 98 PID 2552 wrote to memory of 4180 2552 Profoma Invoice.exe 98 PID 2552 wrote to memory of 4180 2552 Profoma Invoice.exe 98 PID 2552 wrote to memory of 4180 2552 Profoma Invoice.exe 98 PID 2552 wrote to memory of 4180 2552 Profoma Invoice.exe 98 PID 2552 wrote to memory of 4180 2552 Profoma Invoice.exe 98 PID 2552 wrote to memory of 4180 2552 Profoma Invoice.exe 98 PID 2552 wrote to memory of 4180 2552 Profoma Invoice.exe 98 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Profoma Invoice.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Profoma Invoice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4180
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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