Analysis
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max time kernel
119s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
06-08-2022 07:05
Static task
static1
Behavioral task
behavioral1
Sample
S345678900-87654080.exe
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
S345678900-87654080.exe
Resource
win10v2004-20220721-en
General
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Target
S345678900-87654080.exe
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Size
483KB
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MD5
206304ab39a5cea4b1f0c25e20fe0d33
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SHA1
e9861b675387e831077146f111c8355af8702743
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SHA256
956ea990c778b7fdb74570814ad83b3eca3e2a29642d7882ae580e844a98733f
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SHA512
151819874c0f1551546d059ba81242a8eb98739eba91258b3d83aaa48ded290ee1ff259d9fe449ff10057c7bef9f596535f74b1e73c7787adaf5ec65730977e3
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5476629412:AAGbkcFsGq72YxKoGZjVmRBskss9nHikjMc/sendMessage?chat_id=5594190904
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/4092-135-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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:
S345678900-87654080.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S345678900-87654080.exe Key opened \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S345678900-87654080.exe Key opened \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S345678900-87654080.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 11 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
S345678900-87654080.exedescription pid process target process PID 2388 set thread context of 4092 2388 S345678900-87654080.exe S345678900-87654080.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
S345678900-87654080.exepid process 4092 S345678900-87654080.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
S345678900-87654080.exedescription pid process Token: SeDebugPrivilege 4092 S345678900-87654080.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
S345678900-87654080.exedescription pid process target process PID 2388 wrote to memory of 4092 2388 S345678900-87654080.exe S345678900-87654080.exe PID 2388 wrote to memory of 4092 2388 S345678900-87654080.exe S345678900-87654080.exe PID 2388 wrote to memory of 4092 2388 S345678900-87654080.exe S345678900-87654080.exe PID 2388 wrote to memory of 4092 2388 S345678900-87654080.exe S345678900-87654080.exe PID 2388 wrote to memory of 4092 2388 S345678900-87654080.exe S345678900-87654080.exe PID 2388 wrote to memory of 4092 2388 S345678900-87654080.exe S345678900-87654080.exe PID 2388 wrote to memory of 4092 2388 S345678900-87654080.exe S345678900-87654080.exe PID 2388 wrote to memory of 4092 2388 S345678900-87654080.exe S345678900-87654080.exe -
outlook_office_path 1 IoCs
Processes:
S345678900-87654080.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S345678900-87654080.exe -
outlook_win_path 1 IoCs
Processes:
S345678900-87654080.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S345678900-87654080.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\S345678900-87654080.exe"C:\Users\Admin\AppData\Local\Temp\S345678900-87654080.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Users\Admin\AppData\Local\Temp\S345678900-87654080.exe"C:\Users\Admin\AppData\Local\Temp\S345678900-87654080.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4092
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
706B
MD5f8bcaf312de8591707436c1dcebba8e4
SHA1a1269828e5f644601622f4a7a611aec8f2eda0b2
SHA256f0f5a90777c70cdceea22bd66b33c1703a318acc45cb012d0b01585a1ac12b29
SHA5123a714f5950584abbc94a27bbd4623bfc5acb1135c8c9fca4d74e70c8481b71ace7dbc1dfbf101dd07c76a050acfb4852f31dd57fc7ae196382336c5edc9e6413