Analysis
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max time kernel
103s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2023 02:17
Static task
static1
Behavioral task
behavioral1
Sample
69a57e235e5f0fda65c3712b2c66740802af14a8c5d3033544e195ae638a91f5.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
69a57e235e5f0fda65c3712b2c66740802af14a8c5d3033544e195ae638a91f5.exe
Resource
win10v2004-20231130-en
General
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Target
69a57e235e5f0fda65c3712b2c66740802af14a8c5d3033544e195ae638a91f5.exe
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Size
362KB
-
MD5
e518d1baf9c0e10694e6aec328a17981
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SHA1
2c3789646b50ba0e3a77000ed6c01b2eb66370b9
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SHA256
69a57e235e5f0fda65c3712b2c66740802af14a8c5d3033544e195ae638a91f5
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SHA512
f54b578b517e5f55612b7f4a5a913ee82c58a41c120e3a5f5d87ed272d8a63e9babf6c2879acebafbc57563cf49b63ed987a44b659fb75d668064d594f3703f1
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SSDEEP
6144:3BlL/WLfZJB4KOnwoaTjbSuZ/s04kVC+R/3xqnFLaqD7cccQhepR/qa2Oszfu:xYZ4p8jbSI/snkVC+RgLaa7dcCepR/qW
Malware Config
Extracted
Protocol: smtp- Host:
mail.activegroup.com.sg - Port:
587 - Username:
[email protected] - Password:
active7244
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Executes dropped EXE 2 IoCs
Processes:
lfchdft.exelfchdft.exepid process 3632 lfchdft.exe 4308 lfchdft.exe -
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:
lfchdft.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FdnCz = "C:\\Users\\Admin\\AppData\\Roaming\\FdnCz\\FdnCz.exe" lfchdft.exe -
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 32 api.ipify.org 34 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
lfchdft.exedescription pid process target process PID 3632 set thread context of 4308 3632 lfchdft.exe lfchdft.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3792 3632 WerFault.exe lfchdft.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
lfchdft.exepid process 4308 lfchdft.exe 4308 lfchdft.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
lfchdft.exepid process 3632 lfchdft.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
lfchdft.exedescription pid process Token: SeDebugPrivilege 4308 lfchdft.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
lfchdft.exepid process 4308 lfchdft.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
69a57e235e5f0fda65c3712b2c66740802af14a8c5d3033544e195ae638a91f5.exelfchdft.exedescription pid process target process PID 3032 wrote to memory of 3632 3032 69a57e235e5f0fda65c3712b2c66740802af14a8c5d3033544e195ae638a91f5.exe lfchdft.exe PID 3032 wrote to memory of 3632 3032 69a57e235e5f0fda65c3712b2c66740802af14a8c5d3033544e195ae638a91f5.exe lfchdft.exe PID 3032 wrote to memory of 3632 3032 69a57e235e5f0fda65c3712b2c66740802af14a8c5d3033544e195ae638a91f5.exe lfchdft.exe PID 3632 wrote to memory of 4308 3632 lfchdft.exe lfchdft.exe PID 3632 wrote to memory of 4308 3632 lfchdft.exe lfchdft.exe PID 3632 wrote to memory of 4308 3632 lfchdft.exe lfchdft.exe PID 3632 wrote to memory of 4308 3632 lfchdft.exe lfchdft.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\69a57e235e5f0fda65c3712b2c66740802af14a8c5d3033544e195ae638a91f5.exe"C:\Users\Admin\AppData\Local\Temp\69a57e235e5f0fda65c3712b2c66740802af14a8c5d3033544e195ae638a91f5.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Users\Admin\AppData\Local\Temp\lfchdft.exe"C:\Users\Admin\AppData\Local\Temp\lfchdft.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3632 -
C:\Users\Admin\AppData\Local\Temp\lfchdft.exe"C:\Users\Admin\AppData\Local\Temp\lfchdft.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4308 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 5563⤵
- Program crash
PID:3792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3632 -ip 36321⤵PID:4348
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
177KB
MD57ce47048e85c0fa61443a55c24cc7740
SHA1697e0b838f6ea079b1994481f42b896f5d58a740
SHA256c2df907110fb89fe302a3c833369380dd9e25db868e5967f1860d160c79c2fcd
SHA512f23583d0e29a76617ef2dcf1af0d126c87d082ab015cdbf33cc73d9fc4aa186414bbe5b15c8e7e8227b12cbe710ecdc47b998edeac8bae8c2b03bff30c88f485
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Filesize
177KB
MD57ce47048e85c0fa61443a55c24cc7740
SHA1697e0b838f6ea079b1994481f42b896f5d58a740
SHA256c2df907110fb89fe302a3c833369380dd9e25db868e5967f1860d160c79c2fcd
SHA512f23583d0e29a76617ef2dcf1af0d126c87d082ab015cdbf33cc73d9fc4aa186414bbe5b15c8e7e8227b12cbe710ecdc47b998edeac8bae8c2b03bff30c88f485
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Filesize
177KB
MD57ce47048e85c0fa61443a55c24cc7740
SHA1697e0b838f6ea079b1994481f42b896f5d58a740
SHA256c2df907110fb89fe302a3c833369380dd9e25db868e5967f1860d160c79c2fcd
SHA512f23583d0e29a76617ef2dcf1af0d126c87d082ab015cdbf33cc73d9fc4aa186414bbe5b15c8e7e8227b12cbe710ecdc47b998edeac8bae8c2b03bff30c88f485
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Filesize
334KB
MD54b93ad848fd89e7aa139a98e6c30f027
SHA1e32961842bd2b93646710dea61883b620b80d4f7
SHA2569747cc835ee62e20f148a169455aad3915a5b8351b91a1fde76a1d780edf2d50
SHA512b98f4333eaa0ae1eecd3b15c63da8a94c35a684a1afaf8f29f48ce66b0229fe6672c967aa74fc408a55e4e3081725c5cc0baad5e90c2cfdab62f7e66b265566e