Analysis
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max time kernel
121s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
20/07/2023, 07:03
Static task
static1
Behavioral task
behavioral1
Sample
confirm order.pdf.z.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
confirm order.pdf.z.exe
Resource
win10v2004-20230703-en
General
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Target
confirm order.pdf.z.exe
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Size
645KB
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MD5
0b737638ee17ddf3c0ecf0c07d69618f
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SHA1
e5fe8deadae200f69ead7de852ae3b56160adceb
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SHA256
c26acaed8f3af9114db0aef3c6446531f65209789b4c423d18e4d40312bb633d
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SHA512
71cbd1c823824494ed08421c30179fa32a1a9bcc893b0f409aded01c96342810a8e023a2372671773eca9cbeee2e1664202feee7d50ff094e5ed21677c4d2b7e
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SSDEEP
12288:9oKS6ln+flo/XciMvtrlU8lIUip0d1JZ9bTJ0/zaCqQY7:9ofTdCjEtrXGCdzZ936zG7
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.kovarviajes.com - Port:
587 - Username:
[email protected] - Password:
P4tt1kr
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/2020-65-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2020-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2020-69-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2020-72-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2020-74-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2020-76-0x0000000004A60000-0x0000000004AA0000-memory.dmp family_snakekeylogger behavioral1/memory/2020-78-0x0000000004A60000-0x0000000004AA0000-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-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirm order.pdf.z.exe Key opened \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirm order.pdf.z.exe Key opened \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirm order.pdf.z.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 2528 set thread context of 2020 2528 confirm order.pdf.z.exe 30 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2020 confirm order.pdf.z.exe 2020 confirm order.pdf.z.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2020 confirm order.pdf.z.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2020 confirm order.pdf.z.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2528 wrote to memory of 2020 2528 confirm order.pdf.z.exe 30 PID 2528 wrote to memory of 2020 2528 confirm order.pdf.z.exe 30 PID 2528 wrote to memory of 2020 2528 confirm order.pdf.z.exe 30 PID 2528 wrote to memory of 2020 2528 confirm order.pdf.z.exe 30 PID 2528 wrote to memory of 2020 2528 confirm order.pdf.z.exe 30 PID 2528 wrote to memory of 2020 2528 confirm order.pdf.z.exe 30 PID 2528 wrote to memory of 2020 2528 confirm order.pdf.z.exe 30 PID 2528 wrote to memory of 2020 2528 confirm order.pdf.z.exe 30 PID 2528 wrote to memory of 2020 2528 confirm order.pdf.z.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirm order.pdf.z.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirm order.pdf.z.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\confirm order.pdf.z.exe"C:\Users\Admin\AppData\Local\Temp\confirm order.pdf.z.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Users\Admin\AppData\Local\Temp\confirm order.pdf.z.exe"C:\Users\Admin\AppData\Local\Temp\confirm order.pdf.z.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2020
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