Analysis
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max time kernel
121s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25-12-2023 16:57
Static task
static1
Behavioral task
behavioral1
Sample
2efb7a094b303bdb0caf62dd8d676963.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2efb7a094b303bdb0caf62dd8d676963.exe
Resource
win10v2004-20231215-en
General
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Target
2efb7a094b303bdb0caf62dd8d676963.exe
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Size
844KB
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MD5
2efb7a094b303bdb0caf62dd8d676963
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SHA1
70a4fdaff3eb7dcefe8b472a515341ad216c2e49
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SHA256
14b33650cf6497ab5a9f973f61ca8b43ad33a0b1a85f378345f51855567f4d2a
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SHA512
5f930d4be2c259a40ec1abf2102124e36f2c17f2026ee5d23b868e9ea9c5efeee17e09eb955d2594bcaa668778d5ff00c6d2950935802e370ab99f32af42d6b9
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SSDEEP
12288:b2VrmcC2EsNa7iS/d348n0PhybuVj5T8h7GzULMMENOvgfXtUKA4qX:MrzVhlS/d3j6Vj5ghp2NOYqKS
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.ccmainoffice.com - Port:
587 - Username:
[email protected] - Password:
QAZqaz123@ - 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 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1712-12-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/1712-14-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/1712-18-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/1712-23-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/1712-20-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
Processes:
resource yara_rule behavioral1/memory/2672-3-0x00000000004D0000-0x00000000004E2000-memory.dmp CustAttr -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 checkip.dyndns.org 4 freegeoip.app 5 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2efb7a094b303bdb0caf62dd8d676963.exedescription pid process target process PID 2672 set thread context of 1712 2672 2efb7a094b303bdb0caf62dd8d676963.exe 2efb7a094b303bdb0caf62dd8d676963.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2968 1712 WerFault.exe 2efb7a094b303bdb0caf62dd8d676963.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
2efb7a094b303bdb0caf62dd8d676963.exepid process 1712 2efb7a094b303bdb0caf62dd8d676963.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
2efb7a094b303bdb0caf62dd8d676963.exedescription pid process Token: SeDebugPrivilege 1712 2efb7a094b303bdb0caf62dd8d676963.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
2efb7a094b303bdb0caf62dd8d676963.exe2efb7a094b303bdb0caf62dd8d676963.exedescription pid process target process PID 2672 wrote to memory of 1712 2672 2efb7a094b303bdb0caf62dd8d676963.exe 2efb7a094b303bdb0caf62dd8d676963.exe PID 2672 wrote to memory of 1712 2672 2efb7a094b303bdb0caf62dd8d676963.exe 2efb7a094b303bdb0caf62dd8d676963.exe PID 2672 wrote to memory of 1712 2672 2efb7a094b303bdb0caf62dd8d676963.exe 2efb7a094b303bdb0caf62dd8d676963.exe PID 2672 wrote to memory of 1712 2672 2efb7a094b303bdb0caf62dd8d676963.exe 2efb7a094b303bdb0caf62dd8d676963.exe PID 2672 wrote to memory of 1712 2672 2efb7a094b303bdb0caf62dd8d676963.exe 2efb7a094b303bdb0caf62dd8d676963.exe PID 2672 wrote to memory of 1712 2672 2efb7a094b303bdb0caf62dd8d676963.exe 2efb7a094b303bdb0caf62dd8d676963.exe PID 2672 wrote to memory of 1712 2672 2efb7a094b303bdb0caf62dd8d676963.exe 2efb7a094b303bdb0caf62dd8d676963.exe PID 2672 wrote to memory of 1712 2672 2efb7a094b303bdb0caf62dd8d676963.exe 2efb7a094b303bdb0caf62dd8d676963.exe PID 2672 wrote to memory of 1712 2672 2efb7a094b303bdb0caf62dd8d676963.exe 2efb7a094b303bdb0caf62dd8d676963.exe PID 1712 wrote to memory of 2968 1712 2efb7a094b303bdb0caf62dd8d676963.exe WerFault.exe PID 1712 wrote to memory of 2968 1712 2efb7a094b303bdb0caf62dd8d676963.exe WerFault.exe PID 1712 wrote to memory of 2968 1712 2efb7a094b303bdb0caf62dd8d676963.exe WerFault.exe PID 1712 wrote to memory of 2968 1712 2efb7a094b303bdb0caf62dd8d676963.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2efb7a094b303bdb0caf62dd8d676963.exe"C:\Users\Admin\AppData\Local\Temp\2efb7a094b303bdb0caf62dd8d676963.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2672 -
C:\Users\Admin\AppData\Local\Temp\2efb7a094b303bdb0caf62dd8d676963.exe"C:\Users\Admin\AppData\Local\Temp\2efb7a094b303bdb0caf62dd8d676963.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 15243⤵
- Program crash
PID:2968