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Analysis
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max time kernel
125s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/10/2024, 01:17
Static task
static1
Behavioral task
behavioral1
Sample
487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe
Resource
win10v2004-20240802-en
General
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Target
487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe
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Size
2.6MB
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MD5
4c0c7c80a3403fbeff4a66dad379cfd1
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SHA1
f303e2596c751322499c718b8f53972a7bd7fe9a
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SHA256
487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48
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SHA512
ac768521c41e38d7b314e1a579b4de997e0d98e6268aca98133eb0566e73734b3cfe72f17492110222acb54f7873ee5f6f42a77e89a3d6812989ee14e29392eb
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SSDEEP
49152:bAA9nB0mUgYd/5xPn9OHkkWmBfdsS0Vstb:x0mUgexP9kkVm9b
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
bisttro.shop - Port:
587 - Username:
[email protected] - Password:
W79cDo2h05Iv - 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
resource yara_rule behavioral2/memory/4624-1093-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4064 created 3420 4064 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe 56 -
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-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ibrzb = "C:\\Users\\Admin\\AppData\\Roaming\\ibrzb.exe" 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.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 16 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4064 set thread context of 4624 4064 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe 91 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4064 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe 4624 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe 4624 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4064 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe Token: SeDebugPrivilege 4064 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe Token: SeDebugPrivilege 4624 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4064 wrote to memory of 4624 4064 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe 91 PID 4064 wrote to memory of 4624 4064 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe 91 PID 4064 wrote to memory of 4624 4064 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe 91 PID 4064 wrote to memory of 4624 4064 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe 91 PID 4064 wrote to memory of 4624 4064 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe 91 PID 4064 wrote to memory of 4624 4064 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe 91 PID 4064 wrote to memory of 4624 4064 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe 91 PID 4064 wrote to memory of 4624 4064 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe 91 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3420
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C:\Users\Admin\AppData\Local\Temp\487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe"C:\Users\Admin\AppData\Local\Temp\487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4064
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C:\Users\Admin\AppData\Local\Temp\487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe"C:\Users\Admin\AppData\Local\Temp\487a34ecebed99d0935c56f644325c884bc1fac51e14c9e4b81970a5a785ed48.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4624
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3960,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=1308 /prefetch:81⤵PID:1844