Analysis
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max time kernel
43s -
max time network
135s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
04-07-2022 18:38
Static task
static1
Behavioral task
behavioral1
Sample
29e69c25d02c5a45e62f038f7aa7a716.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
29e69c25d02c5a45e62f038f7aa7a716.exe
Resource
win10v2004-20220414-en
General
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Target
29e69c25d02c5a45e62f038f7aa7a716.exe
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Size
174KB
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MD5
29e69c25d02c5a45e62f038f7aa7a716
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SHA1
9aa09cd4c4126cd410a2674a37d34d1d7575d8b0
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SHA256
cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db
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SHA512
b626b753d4e9daf4ab42e0fe00213600a12874822703c7d7c9fb6a2c8548885ad6f30b341c317780146ac5c7dacf11331071cc721c0cc9a411c4386dc6ee00e9
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot1707668650:AAFJBUcmT6aGlXwy3-beDARhm0ji930DCzM/sendMessage?chat_id=-772314354
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/564-65-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/564-67-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/564-68-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/564-69-0x000000000042028E-mapping.dmp family_snakekeylogger behavioral1/memory/564-71-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/564-73-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
29e69c25d02c5a45e62f038f7aa7a716.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rrfta = "\"C:\\Users\\Admin\\AppData\\Roaming\\Hbxhwj\\Rrfta.exe\"" 29e69c25d02c5a45e62f038f7aa7a716.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.
Processes:
flow ioc 6 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
29e69c25d02c5a45e62f038f7aa7a716.exedescription pid process target process PID 1528 set thread context of 564 1528 29e69c25d02c5a45e62f038f7aa7a716.exe InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exe29e69c25d02c5a45e62f038f7aa7a716.exeInstallUtil.exepid process 1720 powershell.exe 1528 29e69c25d02c5a45e62f038f7aa7a716.exe 564 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
29e69c25d02c5a45e62f038f7aa7a716.exepowershell.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1528 29e69c25d02c5a45e62f038f7aa7a716.exe Token: SeDebugPrivilege 1720 powershell.exe Token: SeDebugPrivilege 564 InstallUtil.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
29e69c25d02c5a45e62f038f7aa7a716.exedescription pid process target process PID 1528 wrote to memory of 1720 1528 29e69c25d02c5a45e62f038f7aa7a716.exe powershell.exe PID 1528 wrote to memory of 1720 1528 29e69c25d02c5a45e62f038f7aa7a716.exe powershell.exe PID 1528 wrote to memory of 1720 1528 29e69c25d02c5a45e62f038f7aa7a716.exe powershell.exe PID 1528 wrote to memory of 1720 1528 29e69c25d02c5a45e62f038f7aa7a716.exe powershell.exe PID 1528 wrote to memory of 564 1528 29e69c25d02c5a45e62f038f7aa7a716.exe InstallUtil.exe PID 1528 wrote to memory of 564 1528 29e69c25d02c5a45e62f038f7aa7a716.exe InstallUtil.exe PID 1528 wrote to memory of 564 1528 29e69c25d02c5a45e62f038f7aa7a716.exe InstallUtil.exe PID 1528 wrote to memory of 564 1528 29e69c25d02c5a45e62f038f7aa7a716.exe InstallUtil.exe PID 1528 wrote to memory of 564 1528 29e69c25d02c5a45e62f038f7aa7a716.exe InstallUtil.exe PID 1528 wrote to memory of 564 1528 29e69c25d02c5a45e62f038f7aa7a716.exe InstallUtil.exe PID 1528 wrote to memory of 564 1528 29e69c25d02c5a45e62f038f7aa7a716.exe InstallUtil.exe PID 1528 wrote to memory of 564 1528 29e69c25d02c5a45e62f038f7aa7a716.exe InstallUtil.exe PID 1528 wrote to memory of 564 1528 29e69c25d02c5a45e62f038f7aa7a716.exe InstallUtil.exe PID 1528 wrote to memory of 564 1528 29e69c25d02c5a45e62f038f7aa7a716.exe InstallUtil.exe PID 1528 wrote to memory of 564 1528 29e69c25d02c5a45e62f038f7aa7a716.exe InstallUtil.exe PID 1528 wrote to memory of 564 1528 29e69c25d02c5a45e62f038f7aa7a716.exe InstallUtil.exe -
outlook_office_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\29e69c25d02c5a45e62f038f7aa7a716.exe"C:\Users\Admin\AppData\Local\Temp\29e69c25d02c5a45e62f038f7aa7a716.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/564-63-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/564-73-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/564-71-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/564-69-0x000000000042028E-mapping.dmp
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memory/564-68-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/564-67-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/564-65-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/564-62-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1528-57-0x00000000005F0000-0x000000000063C000-memory.dmpFilesize
304KB
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memory/1528-54-0x0000000000090000-0x00000000000C2000-memory.dmpFilesize
200KB
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memory/1528-56-0x0000000005820000-0x00000000058B0000-memory.dmpFilesize
576KB
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memory/1528-55-0x0000000075C51000-0x0000000075C53000-memory.dmpFilesize
8KB
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memory/1720-61-0x0000000070950000-0x0000000070EFB000-memory.dmpFilesize
5.7MB
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memory/1720-60-0x0000000070950000-0x0000000070EFB000-memory.dmpFilesize
5.7MB
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memory/1720-58-0x0000000000000000-mapping.dmp