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Analysis
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max time kernel
120s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
21/07/2023, 12:45
Static task
static1
Behavioral task
behavioral1
Sample
Cotizacion ##5033900.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
Cotizacion ##5033900.exe
Resource
win10v2004-20230703-en
General
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Target
Cotizacion ##5033900.exe
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Size
623KB
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MD5
e5e34926801d009fd9345c1221cf61d1
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SHA1
00dc97afe9b99f0f4c9c6be374ac0a82958028fd
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SHA256
fd36434871eb55ee3d9f78ee0fd63f26c915f8d5a7d3848ef6ffddcac75893cc
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SHA512
b7c2d2e7194d2a798abdf6e93f6fd1ded8f01261c35cd474c01684f7a10a791dcbd09625b094c2a8ac2f8b458754f1a8e2e52954de07a187425483b88755df91
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SSDEEP
12288:2Wc/bUYIsYolnr8+HrF2pJSlghtqle1De7wubknDIlLS6YfiYh:diXrYoxHrF2pLql2IwubDsa
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
smtp.mtbooks.com.mx - Port:
587 - Username:
[email protected] - Password:
^QGUcHQjx3
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 7 IoCs
resource yara_rule behavioral1/memory/2700-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2700-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2700-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2700-72-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2700-75-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2700-77-0x0000000004850000-0x0000000004890000-memory.dmp family_snakekeylogger behavioral1/memory/2700-79-0x0000000004850000-0x0000000004890000-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-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Cotizacion ##5033900.exe Key opened \REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Cotizacion ##5033900.exe Key opened \REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Cotizacion ##5033900.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 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1252 set thread context of 2700 1252 Cotizacion ##5033900.exe 30 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1252 Cotizacion ##5033900.exe 1252 Cotizacion ##5033900.exe 2700 Cotizacion ##5033900.exe 2700 Cotizacion ##5033900.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2700 Cotizacion ##5033900.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1252 Cotizacion ##5033900.exe Token: SeDebugPrivilege 2700 Cotizacion ##5033900.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1252 wrote to memory of 2700 1252 Cotizacion ##5033900.exe 30 PID 1252 wrote to memory of 2700 1252 Cotizacion ##5033900.exe 30 PID 1252 wrote to memory of 2700 1252 Cotizacion ##5033900.exe 30 PID 1252 wrote to memory of 2700 1252 Cotizacion ##5033900.exe 30 PID 1252 wrote to memory of 2700 1252 Cotizacion ##5033900.exe 30 PID 1252 wrote to memory of 2700 1252 Cotizacion ##5033900.exe 30 PID 1252 wrote to memory of 2700 1252 Cotizacion ##5033900.exe 30 PID 1252 wrote to memory of 2700 1252 Cotizacion ##5033900.exe 30 PID 1252 wrote to memory of 2700 1252 Cotizacion ##5033900.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Cotizacion ##5033900.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Cotizacion ##5033900.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Cotizacion ##5033900.exe"C:\Users\Admin\AppData\Local\Temp\Cotizacion ##5033900.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1252 -
C:\Users\Admin\AppData\Local\Temp\Cotizacion ##5033900.exe"C:\Users\Admin\AppData\Local\Temp\Cotizacion ##5033900.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2700
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