Analysis
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max time kernel
120s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
26-02-2024 01:18
Behavioral task
behavioral1
Sample
b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2.exe
Resource
win10v2004-20240221-en
General
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Target
b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2.exe
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Size
581KB
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MD5
cd4a896224f9dcda6f0244bae4ef9abf
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SHA1
d362ab6e88e94c7a4200206f5d74c68eabc9dd07
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SHA256
b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2
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SHA512
438f7ccb8b347c4928e1727b0800351b79308ee912272f85e0ec0c49c860216d102a06dd961044117f253cada879773bc9b76fdbf5b975a6af2238559d3a7f0d
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SSDEEP
12288:wcQ6CmvZLJLUf9snBS4csPYae6qfzRAA:k6xvhhUF54clNf7RB
Malware Config
Signatures
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Detects Echelon Stealer payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2744-0-0x0000000000C20000-0x0000000000CB8000-memory.dmp family_echelon behavioral1/memory/2744-4-0x000000001AF60000-0x000000001AFE0000-memory.dmp family_echelon -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 api.ipify.org 3 api.ipify.org -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2.exedescription pid Process Token: SeDebugPrivilege 2744 b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2.exedescription pid Process procid_target PID 2744 wrote to memory of 2768 2744 b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2.exe 1 PID 2744 wrote to memory of 2768 2744 b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2.exe 1 PID 2744 wrote to memory of 2768 2744 b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2.exe 1
Processes
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2744 -s 12161⤵PID:2768
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C:\Users\Admin\AppData\Local\Temp\b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2.exe"C:\Users\Admin\AppData\Local\Temp\b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2744