Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 01:39
Static task
static1
Behavioral task
behavioral1
Sample
90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe
Resource
win10v2004-20240508-en
General
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Target
90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe
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Size
1.3MB
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MD5
38995914b9924395a93a8fa7231af63b
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SHA1
97c47123d2c5e2312672b9e06e9502bc68ce7686
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SHA256
90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f
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SHA512
ecaf4c2453b036c355ff7faded8addf5b8c9532e331cb0242519a7c1c363869a59aeb915010a02b426e9c5bf5c713ddf39bba8926640793762296681472b3743
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SSDEEP
24576:0xlH0Rs/5AT8v+/pOwZOPdM5A/F+XQU664vPu4imnT8grEzQthOjLNui8FOPSKFz:MlH0Rs/GTgwZOPaOFH5thOjLNui8FOPv
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.petrosharan.ir - Port:
587 - Username:
[email protected] - Password:
BAKHTIari4953* - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2040-32-0x0000000000900000-0x000000000097C000-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/2040-32-0x0000000000900000-0x000000000097C000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables using Telegram Chat Bot 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2040-32-0x0000000000900000-0x000000000097C000-memory.dmp INDICATOR_SUSPICIOUS_EXE_TelegramChatBot -
Detects executables with potential process hoocking 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2040-32-0x0000000000900000-0x000000000097C000-memory.dmp INDICATOR_SUSPICIOUS_EXE_DotNetProcHook -
Drops startup file 2 IoCs
Processes:
Powershell.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe Powershell.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe Powershell.exe -
Executes dropped EXE 1 IoCs
Processes:
90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exepid process 2040 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.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
Processes:
90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.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:
90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exedescription pid process target process PID 4036 set thread context of 2040 4036 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Powershell.exe90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exepid process 5084 Powershell.exe 5084 Powershell.exe 2040 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe 2040 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Powershell.exe90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exedescription pid process Token: SeDebugPrivilege 5084 Powershell.exe Token: SeDebugPrivilege 2040 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exedescription pid process target process PID 4036 wrote to memory of 5084 4036 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe Powershell.exe PID 4036 wrote to memory of 5084 4036 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe Powershell.exe PID 4036 wrote to memory of 5084 4036 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe Powershell.exe PID 4036 wrote to memory of 2040 4036 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe PID 4036 wrote to memory of 2040 4036 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe PID 4036 wrote to memory of 2040 4036 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe PID 4036 wrote to memory of 2040 4036 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe PID 4036 wrote to memory of 2040 4036 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe PID 4036 wrote to memory of 2040 4036 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe PID 4036 wrote to memory of 2040 4036 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe PID 4036 wrote to memory of 2040 4036 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe -
outlook_office_path 1 IoCs
Processes:
90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe -
outlook_win_path 1 IoCs
Processes:
90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe"C:\Users\Admin\AppData\Local\Temp\90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe'2⤵
- Drops startup file
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5084 -
C:\Users\Admin\AppData\Local\Temp\90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe"C:\Users\Admin\AppData\Local\Temp\90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2040
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\90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe.log
Filesize706B
MD59b4d7ccdebef642a9ad493e2c2925952
SHA1c020c622c215e880c8415fa867cb50210b443ef0
SHA256e6f068d76bd941b4118225b130db2c70128e77a45dcdbf5cbab0f8a563b867ff
SHA5128577ecd7597d4b540bc1c6ccc4150eae7443da2e4be1343cc42242714d04dd16e48c3fcaefd95c4a148fe9f14c5b6f3166b752ae20d608676cf6fb48919968e8
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C:\Users\Admin\AppData\Local\Temp\90dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f.exe
Filesize1.3MB
MD538995914b9924395a93a8fa7231af63b
SHA197c47123d2c5e2312672b9e06e9502bc68ce7686
SHA25690dd02313886725b3ad19eaa0780f7189d49e8d1a334e51e5432027e2326c14f
SHA512ecaf4c2453b036c355ff7faded8addf5b8c9532e331cb0242519a7c1c363869a59aeb915010a02b426e9c5bf5c713ddf39bba8926640793762296681472b3743
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82