Analysis
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max time kernel
121s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
29-09-2023 06:44
Static task
static1
Behavioral task
behavioral1
Sample
Great Shipping Management Document.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Great Shipping Management Document.exe
Resource
win10v2004-20230915-en
General
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Target
Great Shipping Management Document.exe
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Size
277KB
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MD5
5ad41d4b9560b04a12928a393661189c
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SHA1
b703d404755d4400072548ad29560c860939e1e0
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SHA256
a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5
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SHA512
890c002ac837629f08bb0ac139e6a3634482a1aa32ab28b5fb63189906245969050a86cd2a292b1aa7d98a7440dd3dc8d4ae3d85c05e89b63c9516f722beb4a8
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SSDEEP
6144:4X5dp+sevRT2mDGn10/Ao5OJBnaznfgWrzLcSInGYDmRWD:E5P+sCDG8Ao5OJgTgWrzFIrmRW
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6307848603:AAHuPYbVu9-pOqbv-rh59-MPBtLsLADgIWE/sendMessage?chat_id=6270867455
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/3064-11-0x0000000140000000-0x0000000140022000-memory.dmp family_snakekeylogger behavioral1/memory/3064-14-0x0000000140000000-0x0000000140022000-memory.dmp family_snakekeylogger behavioral1/memory/3064-19-0x000000001BE20000-0x000000001BEA0000-memory.dmp family_snakekeylogger -
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:
Great Shipping Management Document.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Great Shipping Management Document.exe Key opened \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Great Shipping Management Document.exe Key opened \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Great Shipping Management Document.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Great Shipping Management Document.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nwfzawr = "C:\\Users\\Admin\\AppData\\Roaming\\Nwfzawr.exe" Great Shipping Management Document.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 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Great Shipping Management Document.exedescription pid process target process PID 2424 set thread context of 3064 2424 Great Shipping Management Document.exe Great Shipping Management Document.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Great Shipping Management Document.exepid process 3064 Great Shipping Management Document.exe 3064 Great Shipping Management Document.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Great Shipping Management Document.exeGreat Shipping Management Document.exedescription pid process Token: SeDebugPrivilege 2424 Great Shipping Management Document.exe Token: SeDebugPrivilege 3064 Great Shipping Management Document.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
Great Shipping Management Document.exedescription pid process target process PID 2424 wrote to memory of 3064 2424 Great Shipping Management Document.exe Great Shipping Management Document.exe PID 2424 wrote to memory of 3064 2424 Great Shipping Management Document.exe Great Shipping Management Document.exe PID 2424 wrote to memory of 3064 2424 Great Shipping Management Document.exe Great Shipping Management Document.exe PID 2424 wrote to memory of 3064 2424 Great Shipping Management Document.exe Great Shipping Management Document.exe PID 2424 wrote to memory of 3064 2424 Great Shipping Management Document.exe Great Shipping Management Document.exe PID 2424 wrote to memory of 3064 2424 Great Shipping Management Document.exe Great Shipping Management Document.exe PID 2424 wrote to memory of 3064 2424 Great Shipping Management Document.exe Great Shipping Management Document.exe -
outlook_office_path 1 IoCs
Processes:
Great Shipping Management Document.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Great Shipping Management Document.exe -
outlook_win_path 1 IoCs
Processes:
Great Shipping Management Document.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Great Shipping Management Document.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Great Shipping Management Document.exe"C:\Users\Admin\AppData\Local\Temp\Great Shipping Management Document.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Users\Admin\AppData\Local\Temp\Great Shipping Management Document.exe"C:\Users\Admin\AppData\Local\Temp\Great Shipping Management Document.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3064