Analysis
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max time kernel
107s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
05/05/2023, 20:56
Static task
static1
Behavioral task
behavioral1
Sample
RFQ005194.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
RFQ005194.exe
Resource
win10v2004-20230220-en
General
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Target
RFQ005194.exe
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Size
622KB
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MD5
cecd943e9d3e13699dbd3016b2c8abcf
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SHA1
4524f2e5f6830c9b64c6f875d77811aeeb9f73ea
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SHA256
351c0e2125e4a520bbe97ba66e4596f6a95fe1f52e2fafb7baef5cc0034aeb19
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SHA512
789fbdedd7852265420fc394c0ffa5ba7fc2571d06fd49d286726b015daddd1ea909218c9bc1a59a2301517671c8cc31e9d1cfce2528d19f25bce725729427a5
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SSDEEP
6144:zqdq+QhfWi/IP1UkwnfiHWXa0jyUYvygEJK2VuOvhRsDMqepPd44hhamQ+0xz9Yp:DC13p2KKyUYagr7OvtqepPR3Sd9LG7/
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6221660400:AAGb-WADrhdDFxd9kxzjtg3jdDw9-uvNVlM/sendMessage?chat_id=6200392710
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/996-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/996-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/996-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/996-68-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/996-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/996-71-0x00000000003C0000-0x0000000000400000-memory.dmp family_snakekeylogger behavioral1/memory/996-72-0x00000000003C0000-0x0000000000400000-memory.dmp family_snakekeylogger -
StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 7 IoCs
resource yara_rule behavioral1/memory/996-63-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/996-66-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/996-64-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/996-68-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/996-70-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/996-71-0x00000000003C0000-0x0000000000400000-memory.dmp family_stormkitty behavioral1/memory/996-72-0x00000000003C0000-0x0000000000400000-memory.dmp family_stormkitty -
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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ005194.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ005194.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ005194.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1776 set thread context of 996 1776 RFQ005194.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 996 RFQ005194.exe 996 RFQ005194.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 996 RFQ005194.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1776 wrote to memory of 996 1776 RFQ005194.exe 28 PID 1776 wrote to memory of 996 1776 RFQ005194.exe 28 PID 1776 wrote to memory of 996 1776 RFQ005194.exe 28 PID 1776 wrote to memory of 996 1776 RFQ005194.exe 28 PID 1776 wrote to memory of 996 1776 RFQ005194.exe 28 PID 1776 wrote to memory of 996 1776 RFQ005194.exe 28 PID 1776 wrote to memory of 996 1776 RFQ005194.exe 28 PID 1776 wrote to memory of 996 1776 RFQ005194.exe 28 PID 1776 wrote to memory of 996 1776 RFQ005194.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ005194.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ005194.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ005194.exe"C:\Users\Admin\AppData\Local\Temp\RFQ005194.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Users\Admin\AppData\Local\Temp\RFQ005194.exe"C:\Users\Admin\AppData\Local\Temp\RFQ005194.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:996
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