Analysis
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max time kernel
121s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
02-12-2023 01:48
Static task
static1
Behavioral task
behavioral1
Sample
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
Resource
win10v2004-20231130-en
General
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Target
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
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Size
688KB
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MD5
21a2ca225f66a6e0c61280bb5aa4e93e
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SHA1
51530ba354cfe93f393f953049309b9eaf4244e0
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SHA256
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b
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SHA512
a70f29a1dff09ca29f7f6bc2e06c2c0c82cfb78bd9fccd080cad9813cdbd5eb3051ca56b5ab80e21c9bc0a476d6173fcb12250be1d202f2b69ee1f1468670962
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SSDEEP
12288:iCpvJYIXIb7Ta0A4ZHDWCTEY2yIotj9D49m1WYX7F+tLZurYvDWE3:RvJ1InIgHKaE7yIV9m84FSLZ8kH
Malware Config
Extracted
agenttesla
https://discord.com/api/webhooks/1158669333552169031/JDVIUrIPRDFArhYLJtuVY40DaK1KV7rtH9wZuJWWynu212vmqEwNYKJHXzbfaOWZBsRP
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows\CurrentVersion\Run\InternetExlorerUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\InternetExlorerUpdate\\InternetExlorerUpdate.exe" 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exedescription pid process target process PID 2924 set thread context of 2836 2924 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exepid process 2836 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 2836 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exedescription pid process Token: SeDebugPrivilege 2836 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exepid process 2836 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exedescription pid process target process PID 2924 wrote to memory of 2836 2924 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 2924 wrote to memory of 2836 2924 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 2924 wrote to memory of 2836 2924 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 2924 wrote to memory of 2836 2924 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 2924 wrote to memory of 2836 2924 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 2924 wrote to memory of 2836 2924 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 2924 wrote to memory of 2836 2924 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 2924 wrote to memory of 2836 2924 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe PID 2924 wrote to memory of 2836 2924 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe 4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"C:\Users\Admin\AppData\Local\Temp\4b6d9c8a1dadf29aa15401c7c1a402d382bf8305ed6887f77603b2cb895fc93b.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2836
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
171KB
MD59c0c641c06238516f27941aa1166d427
SHA164cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA2564276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06