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Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
03/11/2023, 07:30
Static task
static1
Behavioral task
behavioral1
Sample
db37fbffacc10cdcb13d1d29625d1016.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
db37fbffacc10cdcb13d1d29625d1016.exe
Resource
win10v2004-20231023-en
General
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Target
db37fbffacc10cdcb13d1d29625d1016.exe
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Size
597KB
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MD5
db37fbffacc10cdcb13d1d29625d1016
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SHA1
f8dc77a852edd28dce27bd7f9fae80abde1e67fa
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SHA256
7b80af0eb67ef03700b1aa95e8e25ec0b9f4debd4dc0f9276eac46f9120c6e73
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SHA512
3b283d541fdd923fb969a86a5b985bbb4db8c0d25e9cd8a3e49391fec9bb608e52e2a3dffb58822d078e9365c4cb1ed13e274cbb2141547cc9c4174a329e6212
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SSDEEP
12288:q8z69yqLlg14DV+G4Q7gaTcWsWpLokQjc7VfE5udp:L6XiyV+G4tEZ
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.defalife.com.tr - Port:
587 - Username:
[email protected] - Password:
Defalife.124578 - 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/3204-20-0x0000000000400000-0x0000000000424000-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-1-5-21-1114462139-3090196418-29517368-1000\Control Panel\International\Geo\Nation db37fbffacc10cdcb13d1d29625d1016.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 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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 db37fbffacc10cdcb13d1d29625d1016.exe Key opened \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 db37fbffacc10cdcb13d1d29625d1016.exe Key opened \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 db37fbffacc10cdcb13d1d29625d1016.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 46 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1792 set thread context of 3204 1792 db37fbffacc10cdcb13d1d29625d1016.exe 103 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2264 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 1792 db37fbffacc10cdcb13d1d29625d1016.exe 1792 db37fbffacc10cdcb13d1d29625d1016.exe 1792 db37fbffacc10cdcb13d1d29625d1016.exe 1792 db37fbffacc10cdcb13d1d29625d1016.exe 1792 db37fbffacc10cdcb13d1d29625d1016.exe 1792 db37fbffacc10cdcb13d1d29625d1016.exe 1792 db37fbffacc10cdcb13d1d29625d1016.exe 3204 db37fbffacc10cdcb13d1d29625d1016.exe 2444 powershell.exe 2444 powershell.exe 3204 db37fbffacc10cdcb13d1d29625d1016.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1792 db37fbffacc10cdcb13d1d29625d1016.exe Token: SeDebugPrivilege 3204 db37fbffacc10cdcb13d1d29625d1016.exe Token: SeDebugPrivilege 2444 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1792 wrote to memory of 2444 1792 db37fbffacc10cdcb13d1d29625d1016.exe 99 PID 1792 wrote to memory of 2444 1792 db37fbffacc10cdcb13d1d29625d1016.exe 99 PID 1792 wrote to memory of 2444 1792 db37fbffacc10cdcb13d1d29625d1016.exe 99 PID 1792 wrote to memory of 2264 1792 db37fbffacc10cdcb13d1d29625d1016.exe 101 PID 1792 wrote to memory of 2264 1792 db37fbffacc10cdcb13d1d29625d1016.exe 101 PID 1792 wrote to memory of 2264 1792 db37fbffacc10cdcb13d1d29625d1016.exe 101 PID 1792 wrote to memory of 3204 1792 db37fbffacc10cdcb13d1d29625d1016.exe 103 PID 1792 wrote to memory of 3204 1792 db37fbffacc10cdcb13d1d29625d1016.exe 103 PID 1792 wrote to memory of 3204 1792 db37fbffacc10cdcb13d1d29625d1016.exe 103 PID 1792 wrote to memory of 3204 1792 db37fbffacc10cdcb13d1d29625d1016.exe 103 PID 1792 wrote to memory of 3204 1792 db37fbffacc10cdcb13d1d29625d1016.exe 103 PID 1792 wrote to memory of 3204 1792 db37fbffacc10cdcb13d1d29625d1016.exe 103 PID 1792 wrote to memory of 3204 1792 db37fbffacc10cdcb13d1d29625d1016.exe 103 PID 1792 wrote to memory of 3204 1792 db37fbffacc10cdcb13d1d29625d1016.exe 103 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 db37fbffacc10cdcb13d1d29625d1016.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 db37fbffacc10cdcb13d1d29625d1016.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\db37fbffacc10cdcb13d1d29625d1016.exe"C:\Users\Admin\AppData\Local\Temp\db37fbffacc10cdcb13d1d29625d1016.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NXcuZiLQelGp.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2444
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NXcuZiLQelGp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp406F.tmp"2⤵
- Creates scheduled task(s)
PID:2264
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C:\Users\Admin\AppData\Local\Temp\db37fbffacc10cdcb13d1d29625d1016.exe"C:\Users\Admin\AppData\Local\Temp\db37fbffacc10cdcb13d1d29625d1016.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3204
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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
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Filesize
1KB
MD5e30c01a0c71e6e978666a4146bc87179
SHA1458fc88c480fc83726a2c41b7ed06f6f1e98cea0
SHA2567e0942e8c4d93997c1657a6ade7309c8c52224fcd85c4b21f7388d5f4e20800d
SHA51203cdad71bebd502248690cf851b826ecd80493fee35299a091abf3c1affd98680b898ab1b00a8859b0606130bfccbdf8b4943ca49a2e44e18c6ff6c82514b1d4