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Analysis
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max time kernel
166s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
22/12/2023, 16:34
Static task
static1
Behavioral task
behavioral1
Sample
f350ead728719718a5656299b43adbe4.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
f350ead728719718a5656299b43adbe4.exe
Resource
win10v2004-20231215-en
General
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Target
f350ead728719718a5656299b43adbe4.exe
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Size
648KB
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MD5
f350ead728719718a5656299b43adbe4
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SHA1
8ba8ed7a1e1ed7cd5ff2d5c7b225d16b5ab88128
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SHA256
a13818c085ae6a086b8020857d505758c9a4be67da60651ed90cbbd0aac2fd60
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SHA512
d847f81689ebf26a5027d43339da98ce8495cbb40ee3487efc95d2ece6ffc8582e7f44426aa658d68d3e16e84d93d5bec75db17cab22c6fdcd05e00e6c0f0cdf
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SSDEEP
12288:V53vR9uboUZLCYROqqBp87sVn+1PB9j7Ht9nR:V5Z92oU/UNiO+1PLtT
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://files.000webhost.com/ - Port:
21 - Username:
zinco - Password:
computer147
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 2 IoCs
resource yara_rule behavioral2/memory/872-17-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/872-25-0x00000000056B0000-0x00000000056C0000-memory.dmp family_agenttesla -
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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation f350ead728719718a5656299b43adbe4.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2584 set thread context of 872 2584 f350ead728719718a5656299b43adbe4.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 4292 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2584 f350ead728719718a5656299b43adbe4.exe 2584 f350ead728719718a5656299b43adbe4.exe 2584 f350ead728719718a5656299b43adbe4.exe 2584 f350ead728719718a5656299b43adbe4.exe 2584 f350ead728719718a5656299b43adbe4.exe 872 RegSvcs.exe 872 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2584 f350ead728719718a5656299b43adbe4.exe Token: SeDebugPrivilege 872 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2584 wrote to memory of 4292 2584 f350ead728719718a5656299b43adbe4.exe 101 PID 2584 wrote to memory of 4292 2584 f350ead728719718a5656299b43adbe4.exe 101 PID 2584 wrote to memory of 4292 2584 f350ead728719718a5656299b43adbe4.exe 101 PID 2584 wrote to memory of 872 2584 f350ead728719718a5656299b43adbe4.exe 103 PID 2584 wrote to memory of 872 2584 f350ead728719718a5656299b43adbe4.exe 103 PID 2584 wrote to memory of 872 2584 f350ead728719718a5656299b43adbe4.exe 103 PID 2584 wrote to memory of 872 2584 f350ead728719718a5656299b43adbe4.exe 103 PID 2584 wrote to memory of 872 2584 f350ead728719718a5656299b43adbe4.exe 103 PID 2584 wrote to memory of 872 2584 f350ead728719718a5656299b43adbe4.exe 103 PID 2584 wrote to memory of 872 2584 f350ead728719718a5656299b43adbe4.exe 103 PID 2584 wrote to memory of 872 2584 f350ead728719718a5656299b43adbe4.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\f350ead728719718a5656299b43adbe4.exe"C:\Users\Admin\AppData\Local\Temp\f350ead728719718a5656299b43adbe4.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\udXvAZsCUZW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC37A.tmp"2⤵
- Creates scheduled task(s)
PID:4292
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:872
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