Analysis
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max time kernel
124s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20250313-en -
resource tags
arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system -
submitted
27/03/2025, 11:55
Static task
static1
Behavioral task
behavioral1
Sample
Transferencia.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Transferencia.exe
Resource
win10v2004-20250313-en
General
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Target
Transferencia.exe
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Size
607KB
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MD5
392233b61d8c35ee4f7c8bb1159534cf
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SHA1
381caa3d5a92736891424e5fcb4b19f8a88f4733
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SHA256
fc957edc0417e909aae5b70e151fd0c51362ff2efd6afe433ce1b92258fcc9cf
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SHA512
220419286d620562e022693fd6e786ef952215c39814e876efeaad789339ff1e10601e5dce758f44b3068b2faf2485e3ea7e4fbfcd8b666d8cac02054218a822
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SSDEEP
12288:KQ2iNczJ+Wnqn++BrVc08+r/3uZGMMX9pEVq5XC2peRYbVi+TStmAFCM07v:l1qzMHr7883kGFpr5XCbtmAQ3
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot8046970687:AAE86CdNXbS3TQ4T-piDLSQDOwzq2IS8a68/sendMessage?chat_id=5692813672
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/1276-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2784 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Control Panel\International\Geo\Nation Transferencia.exe -
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 3 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-1-5-21-1279544337-3716153908-718418795-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Transferencia.exe Key opened \REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Transferencia.exe Key opened \REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Transferencia.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 29 checkip.dyndns.org 31 reallyfreegeoip.org 32 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5096 set thread context of 1276 5096 Transferencia.exe 101 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Transferencia.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Transferencia.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 5096 Transferencia.exe 5096 Transferencia.exe 1276 Transferencia.exe 2784 powershell.exe 2784 powershell.exe 1276 Transferencia.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5096 Transferencia.exe Token: SeDebugPrivilege 1276 Transferencia.exe Token: SeDebugPrivilege 2784 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 5096 wrote to memory of 2784 5096 Transferencia.exe 98 PID 5096 wrote to memory of 2784 5096 Transferencia.exe 98 PID 5096 wrote to memory of 2784 5096 Transferencia.exe 98 PID 5096 wrote to memory of 4524 5096 Transferencia.exe 100 PID 5096 wrote to memory of 4524 5096 Transferencia.exe 100 PID 5096 wrote to memory of 4524 5096 Transferencia.exe 100 PID 5096 wrote to memory of 1276 5096 Transferencia.exe 101 PID 5096 wrote to memory of 1276 5096 Transferencia.exe 101 PID 5096 wrote to memory of 1276 5096 Transferencia.exe 101 PID 5096 wrote to memory of 1276 5096 Transferencia.exe 101 PID 5096 wrote to memory of 1276 5096 Transferencia.exe 101 PID 5096 wrote to memory of 1276 5096 Transferencia.exe 101 PID 5096 wrote to memory of 1276 5096 Transferencia.exe 101 PID 5096 wrote to memory of 1276 5096 Transferencia.exe 101 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Transferencia.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Transferencia.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Transferencia.exe"C:\Users\Admin\AppData\Local\Temp\Transferencia.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5096 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Transferencia.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2784
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C:\Users\Admin\AppData\Local\Temp\Transferencia.exe"C:\Users\Admin\AppData\Local\Temp\Transferencia.exe"2⤵PID:4524
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C:\Users\Admin\AppData\Local\Temp\Transferencia.exe"C:\Users\Admin\AppData\Local\Temp\Transferencia.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1276
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82