Analysis
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max time kernel
146s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08-04-2024 01:15
Static task
static1
Behavioral task
behavioral1
Sample
39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe
Resource
win10v2004-20240226-en
General
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Target
39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe
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Size
958KB
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MD5
c52c8f03c7a947a1f84657f2c3283494
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SHA1
6834be8e80716d9cea18d10bcca6aabfdb23572b
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SHA256
39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372
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SHA512
ded8fc22a5616df365bdb40d9ff483afa8d6bc57893fcc082eba54a249c35d1149e1912012e26edc2744867625dbc47446ed8bf4ea5a4c4a434ebfd5414eff65
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SSDEEP
24576:W2q2Fi8ek23cTBRQMBbZxsGualRrwvYh:W2Bi8ek234RZ8balRrwvYh
Malware Config
Extracted
Protocol: smtp- Host:
mail.qoldenfrontier.com - Port:
587 - Username:
[email protected] - Password:
%2WMoWREUv@3
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.qoldenfrontier.com - Port:
587 - Username:
[email protected] - Password:
%2WMoWREUv@3 - Email To:
[email protected]
https://scratchdreams.tk
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/5060-8-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral2/memory/5060-15-0x0000000005AE0000-0x0000000005AF0000-memory.dmp family_snakekeylogger -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/5060-8-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/5060-8-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables with potential process hoocking 1 IoCs
Processes:
resource yara_rule behavioral2/memory/5060-8-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_EXE_DotNetProcHook -
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
Processes:
39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.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 13 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exedescription pid process target process PID 4644 set thread context of 5060 4644 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exepid process 5060 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe 5060 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exedescription pid process Token: SeDebugPrivilege 5060 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exedescription pid process target process PID 4644 wrote to memory of 5060 4644 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe PID 4644 wrote to memory of 5060 4644 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe PID 4644 wrote to memory of 5060 4644 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe PID 4644 wrote to memory of 5060 4644 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe PID 4644 wrote to memory of 5060 4644 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe PID 4644 wrote to memory of 5060 4644 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe PID 4644 wrote to memory of 5060 4644 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe PID 4644 wrote to memory of 5060 4644 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe -
outlook_office_path 1 IoCs
Processes:
39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe -
outlook_win_path 1 IoCs
Processes:
39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe"C:\Users\Admin\AppData\Local\Temp\39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Users\Admin\AppData\Local\Temp\39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe"C:\Users\Admin\AppData\Local\Temp\39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5060
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\39b5db919a6e2320e74753b6fafa6950e8b9a313340345a2eb0f9abf8cd43372.exe.log
Filesize706B
MD5f8bcaf312de8591707436c1dcebba8e4
SHA1a1269828e5f644601622f4a7a611aec8f2eda0b2
SHA256f0f5a90777c70cdceea22bd66b33c1703a318acc45cb012d0b01585a1ac12b29
SHA5123a714f5950584abbc94a27bbd4623bfc5acb1135c8c9fca4d74e70c8481b71ace7dbc1dfbf101dd07c76a050acfb4852f31dd57fc7ae196382336c5edc9e6413