Analysis
- max time kernel
142s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system - submitted
17/07/2023, 09:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Fatura n. 24.exe
Resource
win7-20230712-en
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
Fatura n. 24.exe
Resource
win10v2004-20230703-en
13 signatures
150 seconds
General
- Target Fatura n. 24.exe
- Size 497KB
- Sample230717-lfw7saba97
- SHA256 daaaa1107bcfd8b9e0f682a1677141093786f201a8396f5210e9348222af2399
- MD5 c2664aa7cb82f230c1060dabc7d55167
- SHA1 1c000c2e539ff42ae85b12c135fda288a186299a
- SHA512 a4cc3e3be2c65578d87dca6d0762e1e469c80ccbb72da99ea3a330b77cb091d9d51ff3d1579445f4c9f818f27215373281254ab8e5213947d85ad95cb6cb0f7e
- SSDEEP 12288:oqTrQaSejL8ZfRdVWTl4QtYQ3Rf3lQIE76fZOH25Zb692IS:oqTrQaSejL8ZfhWZ4QGQBP5I6B5Z9
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.mutuadebasto.pt
-
Port
587
-
Username
-
Password
mutua_Fernando123
Extracted
Family
-
snakekeylogger
Credentials
-
Protocol
smtp
-
Host
mail.mutuadebasto.pt
-
Port
587
-
Username
-
Password
mutua_Fernando123
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/1204-142-0x0000000000400000-0x0000000000426000-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.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fatura n. 24.exe Key opened \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fatura n. 24.exe Key opened \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\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 54 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2328 set thread context of 1204 2328 Fatura n. 24.exe 98 - Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 2328 Fatura n. 24.exe 2328 Fatura n. 24.exe 1204 Fatura n. 24.exe 1204 Fatura n. 24.exe 1204 Fatura n. 24.exe 1204 Fatura n. 24.exe 1204 Fatura n. 24.exe 1204 Fatura n. 24.exe 1204 Fatura n. 24.exe 1204 Fatura n. 24.exe 1204 Fatura n. 24.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 1204 Fatura n. 24.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2328 Fatura n. 24.exe Token: SeDebugPrivilege 1204 Fatura n. 24.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2328 wrote to memory of 1204 2328 Fatura n. 24.exe 98 PID 2328 wrote to memory of 1204 2328 Fatura n. 24.exe 98 PID 2328 wrote to memory of 1204 2328 Fatura n. 24.exe 98 PID 2328 wrote to memory of 1204 2328 Fatura n. 24.exe 98 PID 2328 wrote to memory of 1204 2328 Fatura n. 24.exe 98 PID 2328 wrote to memory of 1204 2328 Fatura n. 24.exe 98 PID 2328 wrote to memory of 1204 2328 Fatura n. 24.exe 98 PID 2328 wrote to memory of 1204 2328 Fatura n. 24.exe 98 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\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-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fatura n. 24.exe
Processes
-
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:2328 -
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:1204
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Fatura n. 24.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512