Analysis
- max time kernel
86s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
28/02/2023, 07:58
Static task
static1
Behavioral task
behavioral1
Sample
fd45b5dda04e2273e59f4a5a2c1ee398.exe
Resource
win7-20230220-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
fd45b5dda04e2273e59f4a5a2c1ee398.exe
Resource
win10v2004-20230220-en
12 signatures
150 seconds
General
- Target fd45b5dda04e2273e59f4a5a2c1ee398.exe
- Size 291KB
- Sample230228-jttygaac44
- SHA256 86aab438cacf92cb5f7f5d2fb06541e9047191b52e72066280ea230d7e707e9b
- MD5 fd45b5dda04e2273e59f4a5a2c1ee398
- SHA1 9880f45106a91e4e409a72de5080909bbb3c05a9
- SHA512 1e3b76d412207f98423633d94b17bc6257353b1f8d2010cd25f7b63d1a979bc8b2ef2a17f1df7a190736557ee299af73bcc3ccba38b340e3943c1f36b05b7ed7
- SSDEEP 3072:ID288/YYYYYYyYYyYYyYYyYYyYYyYYyYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYS:nPJK/zes7ROPWBtV
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
Credentials
-
Protocol
smtp
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Host
us2.smtp.mailhostbox.com
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Port
587
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Username
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Password
doDHyw%0
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Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/3372-163-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - 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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation fd45b5dda04e2273e59f4a5a2c1ee398.exe - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.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 40 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3784 set thread context of 3372 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 95 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 656 powershell.exe 656 powershell.exe 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 3372 MSBuild.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe Token: SeDebugPrivilege 656 powershell.exe Token: SeDebugPrivilege 3372 MSBuild.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3784 wrote to memory of 656 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 86 PID 3784 wrote to memory of 656 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 86 PID 3784 wrote to memory of 656 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 86 PID 3784 wrote to memory of 1908 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 93 PID 3784 wrote to memory of 1908 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 93 PID 3784 wrote to memory of 1908 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 93 PID 3784 wrote to memory of 1620 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 94 PID 3784 wrote to memory of 1620 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 94 PID 3784 wrote to memory of 1620 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 94 PID 3784 wrote to memory of 3372 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 95 PID 3784 wrote to memory of 3372 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 95 PID 3784 wrote to memory of 3372 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 95 PID 3784 wrote to memory of 3372 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 95 PID 3784 wrote to memory of 3372 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 95 PID 3784 wrote to memory of 3372 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 95 PID 3784 wrote to memory of 3372 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 95 PID 3784 wrote to memory of 3372 3784 fd45b5dda04e2273e59f4a5a2c1ee398.exe 95 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fd45b5dda04e2273e59f4a5a2c1ee398.exe"C:\Users\Admin\AppData\Local\Temp\fd45b5dda04e2273e59f4a5a2c1ee398.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3784 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:656
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵PID:1908
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵PID:1620
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3372
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h4lsywe2.1ri.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512