Analysis
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max time kernel
71s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2023 11:12
Static task
static1
Behavioral task
behavioral1
Sample
ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe
Resource
win10v2004-20230915-en
General
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Target
ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe
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Size
682KB
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MD5
31c0fb555469b0836b447b2e71c8fd74
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SHA1
85a52ac681c856927403114207455b1cc42d38a0
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SHA256
ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286
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SHA512
7d549ef196dbb3701c4c4b83ef6a7b7e455ebc45d00037e399f5cf44a3909bd12ca21aee5bc07dbd96a5df2a50b39004e342840e2527349eba9cbb5e6f08d473
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SSDEEP
12288:361tZZr9L7kX0F1CEgkEXQwko3b2VvRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRs:361tZL3kY0EgnXQOL
Malware Config
Extracted
Protocol: ftp- Host:
ftp.product-secured.com - Port:
21 - Username:
[email protected] - Password:
575K5(MaZro2575K5(MaZro2
Extracted
snakekeylogger
Protocol: ftp- Host:
ftp://ftp.product-secured.com/ - Port:
21 - Username:
[email protected] - Password:
575K5(MaZro2575K5(MaZro2
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/4812-7-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Executes dropped EXE 1 IoCs
pid Process 4724 svchost.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 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-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.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 54 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2944 set thread context of 4812 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 93 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2232 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4812 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 4812 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4812 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2944 wrote to memory of 4812 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 93 PID 2944 wrote to memory of 4812 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 93 PID 2944 wrote to memory of 4812 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 93 PID 2944 wrote to memory of 4812 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 93 PID 2944 wrote to memory of 4812 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 93 PID 2944 wrote to memory of 4812 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 93 PID 2944 wrote to memory of 4812 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 93 PID 2944 wrote to memory of 4812 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 93 PID 2944 wrote to memory of 556 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 94 PID 2944 wrote to memory of 556 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 94 PID 2944 wrote to memory of 556 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 94 PID 2944 wrote to memory of 2836 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 95 PID 2944 wrote to memory of 2836 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 95 PID 2944 wrote to memory of 2836 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 95 PID 2944 wrote to memory of 3636 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 96 PID 2944 wrote to memory of 3636 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 96 PID 2944 wrote to memory of 3636 2944 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe 96 PID 2836 wrote to memory of 2232 2836 cmd.exe 100 PID 2836 wrote to memory of 2232 2836 cmd.exe 100 PID 2836 wrote to memory of 2232 2836 cmd.exe 100 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe"C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe"C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4812
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C:\Windows\SysWOW64\cmd.exe"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"2⤵PID:556
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C:\Windows\SysWOW64\cmd.exe"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f2⤵
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f3⤵
- Creates scheduled task(s)
PID:2232
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C:\Windows\SysWOW64\cmd.exe"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286_JC.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"2⤵PID:3636
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C:\Users\Admin\AppData\Roaming\svchost\svchost.exeC:\Users\Admin\AppData\Roaming\svchost\svchost.exe1⤵
- Executes dropped EXE
PID:4724
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
682KB
MD531c0fb555469b0836b447b2e71c8fd74
SHA185a52ac681c856927403114207455b1cc42d38a0
SHA256ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286
SHA5127d549ef196dbb3701c4c4b83ef6a7b7e455ebc45d00037e399f5cf44a3909bd12ca21aee5bc07dbd96a5df2a50b39004e342840e2527349eba9cbb5e6f08d473
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Filesize
682KB
MD531c0fb555469b0836b447b2e71c8fd74
SHA185a52ac681c856927403114207455b1cc42d38a0
SHA256ff777a5e6a54f56d5452624ec6f0cd6938ba286ce648176efeec46fcceed5286
SHA5127d549ef196dbb3701c4c4b83ef6a7b7e455ebc45d00037e399f5cf44a3909bd12ca21aee5bc07dbd96a5df2a50b39004e342840e2527349eba9cbb5e6f08d473