Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
26-06-2024 18:45
Static task
static1
Behavioral task
behavioral1
Sample
tmp6hrwcjsj.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
tmp6hrwcjsj.exe
Resource
win10v2004-20240611-en
General
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Target
tmp6hrwcjsj.exe
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Size
521KB
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MD5
8e6733fc8e95e3436dde66049d7bb9dc
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SHA1
633af7a10f8f9ecacfe46082b2ac5937b17bf887
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SHA256
30fbb8aefc25658953ec57ac7b5c6a974075fbbb4289df4267014b4f4c2c64a9
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SHA512
f25b41d55ec93cefd78bbfe361e5fae7f33342dc9e4444d934bd5bbab38e148ac65bbd1795f6589fbac36dd1508c582d2f3a87bd763e852ba99a4dbacc0f1501
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SSDEEP
12288:c5kndmzALYFXyk2VLY/YPYzYzY1YWk13PpylUPjrC6/:HngzNy9GmaO8PEx60X/
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
valleycountysar.org - Port:
26 - Username:
[email protected] - Password:
i~~Ga+6_-~V*
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/3728-9-0x0000000000400000-0x0000000000426000-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:
tmp6hrwcjsj.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp6hrwcjsj.exe Key opened \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp6hrwcjsj.exe Key opened \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp6hrwcjsj.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 5 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
tmp6hrwcjsj.exedescription pid process target process PID 4476 set thread context of 3728 4476 tmp6hrwcjsj.exe tmp6hrwcjsj.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
tmp6hrwcjsj.exepid process 3728 tmp6hrwcjsj.exe 3728 tmp6hrwcjsj.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
tmp6hrwcjsj.exedescription pid process Token: SeDebugPrivilege 3728 tmp6hrwcjsj.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
tmp6hrwcjsj.exedescription pid process target process PID 4476 wrote to memory of 3728 4476 tmp6hrwcjsj.exe tmp6hrwcjsj.exe PID 4476 wrote to memory of 3728 4476 tmp6hrwcjsj.exe tmp6hrwcjsj.exe PID 4476 wrote to memory of 3728 4476 tmp6hrwcjsj.exe tmp6hrwcjsj.exe PID 4476 wrote to memory of 3728 4476 tmp6hrwcjsj.exe tmp6hrwcjsj.exe PID 4476 wrote to memory of 3728 4476 tmp6hrwcjsj.exe tmp6hrwcjsj.exe PID 4476 wrote to memory of 3728 4476 tmp6hrwcjsj.exe tmp6hrwcjsj.exe PID 4476 wrote to memory of 3728 4476 tmp6hrwcjsj.exe tmp6hrwcjsj.exe PID 4476 wrote to memory of 3728 4476 tmp6hrwcjsj.exe tmp6hrwcjsj.exe -
outlook_office_path 1 IoCs
Processes:
tmp6hrwcjsj.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp6hrwcjsj.exe -
outlook_win_path 1 IoCs
Processes:
tmp6hrwcjsj.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp6hrwcjsj.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp6hrwcjsj.exe"C:\Users\Admin\AppData\Local\Temp\tmp6hrwcjsj.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmp6hrwcjsj.exe"C:\Users\Admin\AppData\Local\Temp\tmp6hrwcjsj.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3728-9-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/3728-17-0x0000000006C20000-0x0000000006DE2000-memory.dmpFilesize
1.8MB
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memory/3728-16-0x0000000006A00000-0x0000000006A50000-memory.dmpFilesize
320KB
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memory/3728-15-0x0000000074DA0000-0x0000000075550000-memory.dmpFilesize
7.7MB
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memory/3728-14-0x0000000074DA0000-0x0000000075550000-memory.dmpFilesize
7.7MB
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memory/3728-11-0x0000000074DA0000-0x0000000075550000-memory.dmpFilesize
7.7MB
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memory/3728-10-0x0000000074DA0000-0x0000000075550000-memory.dmpFilesize
7.7MB
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memory/4476-8-0x0000000005BF0000-0x0000000005BF8000-memory.dmpFilesize
32KB
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memory/4476-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmpFilesize
4KB
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memory/4476-7-0x0000000005CA0000-0x0000000005D3C000-memory.dmpFilesize
624KB
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memory/4476-6-0x0000000005BA0000-0x0000000005BF4000-memory.dmpFilesize
336KB
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memory/4476-5-0x0000000005B50000-0x0000000005B5A000-memory.dmpFilesize
40KB
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memory/4476-13-0x0000000074DA0000-0x0000000075550000-memory.dmpFilesize
7.7MB
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memory/4476-4-0x0000000074DA0000-0x0000000075550000-memory.dmpFilesize
7.7MB
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memory/4476-3-0x0000000005980000-0x0000000005A12000-memory.dmpFilesize
584KB
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memory/4476-2-0x0000000005F30000-0x00000000064D4000-memory.dmpFilesize
5.6MB
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memory/4476-1-0x0000000000EC0000-0x0000000000F48000-memory.dmpFilesize
544KB