Analysis
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max time kernel
118s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2024 03:10
Static task
static1
Behavioral task
behavioral1
Sample
dhlExpressawbdocs73907708353.17.09.2024100docx.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
dhlExpressawbdocs73907708353.17.09.2024100docx.exe
Resource
win10v2004-20240802-en
General
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Target
dhlExpressawbdocs73907708353.17.09.2024100docx.exe
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Size
704KB
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MD5
eee8b251e71cc62d8a72ea6fbc17269d
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SHA1
ef43ff6678751509bf935be71f843ecff14715a6
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SHA256
8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f
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SHA512
acaabc27d648751e9b08cd57d76b953a94d121b7b373453654ad342d49fc89310c8a1037d5e3624e9b80335beb1c3515fada843e60a6c50ced4d0a39d65a7528
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SSDEEP
12288:SeqYIb0v0oNVYQWVv5Rf1t0i6Weps5/OM9YSdZgSydoK9yIlAJx/5Vb72VSBZUHa:Seq3hosQ8vvL3Ks5/OWYSkSQ9yIgV3nT
Malware Config
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/3964-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 5632 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation dhlExpressawbdocs73907708353.17.09.2024100docx.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 3 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-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dhlExpressawbdocs73907708353.17.09.2024100docx.exe Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dhlExpressawbdocs73907708353.17.09.2024100docx.exe Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dhlExpressawbdocs73907708353.17.09.2024100docx.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 18 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1148 set thread context of 3964 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 89 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dhlExpressawbdocs73907708353.17.09.2024100docx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dhlExpressawbdocs73907708353.17.09.2024100docx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 3964 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 5632 powershell.exe 5632 powershell.exe 3964 dhlExpressawbdocs73907708353.17.09.2024100docx.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3964 dhlExpressawbdocs73907708353.17.09.2024100docx.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe Token: SeDebugPrivilege 3964 dhlExpressawbdocs73907708353.17.09.2024100docx.exe Token: SeDebugPrivilege 5632 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1148 wrote to memory of 5632 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 87 PID 1148 wrote to memory of 5632 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 87 PID 1148 wrote to memory of 5632 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 87 PID 1148 wrote to memory of 3964 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 89 PID 1148 wrote to memory of 3964 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 89 PID 1148 wrote to memory of 3964 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 89 PID 1148 wrote to memory of 3964 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 89 PID 1148 wrote to memory of 3964 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 89 PID 1148 wrote to memory of 3964 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 89 PID 1148 wrote to memory of 3964 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 89 PID 1148 wrote to memory of 3964 1148 dhlExpressawbdocs73907708353.17.09.2024100docx.exe 89 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dhlExpressawbdocs73907708353.17.09.2024100docx.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 dhlExpressawbdocs73907708353.17.09.2024100docx.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dhlExpressawbdocs73907708353.17.09.2024100docx.exe"C:\Users\Admin\AppData\Local\Temp\dhlExpressawbdocs73907708353.17.09.2024100docx.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1148 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\dhlExpressawbdocs73907708353.17.09.2024100docx.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5632
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C:\Users\Admin\AppData\Local\Temp\dhlExpressawbdocs73907708353.17.09.2024100docx.exe"C:\Users\Admin\AppData\Local\Temp\dhlExpressawbdocs73907708353.17.09.2024100docx.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3964
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82