Analysis
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max time kernel
94s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2024 09:15
Static task
static1
Behavioral task
behavioral1
Sample
b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe
Resource
win7-20240903-en
General
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Target
b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe
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Size
748KB
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MD5
9c41200534d2961710d7686f23fd8853
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SHA1
e427669e7752d41b7a833c796bb4028f7260f04d
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SHA256
b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215
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SHA512
32bb1f6f63734451652f65cff8d0acf9b61a8037c27570d73fb4a1b022d3fe046f9b71135741357dfcfc9733656cff5ed8d02c55b949accce718a7dd17fcd8fc
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SSDEEP
12288:5697qm4w3LOFEQ+0/Vl4L29bhHxe4io6l7EOfhiaaE5qIGkR:Y2mJ3RKjFVwl4+nqId
Malware Config
Extracted
Protocol: ftp- Host:
ftp.fosna.net - Port:
21 - Username:
[email protected] - Password:
(=8fPSH$KO_!
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.fosna.net - Port:
21 - Username:
[email protected] - Password:
(=8fPSH$KO_!
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 1268 powershell.exe 404 powershell.exe -
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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe -
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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 38 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3628 set thread context of 3968 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4556 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1268 powershell.exe 404 powershell.exe 3968 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 3968 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 1268 powershell.exe 404 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1268 powershell.exe Token: SeDebugPrivilege 404 powershell.exe Token: SeDebugPrivilege 3968 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3628 wrote to memory of 1268 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 91 PID 3628 wrote to memory of 1268 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 91 PID 3628 wrote to memory of 1268 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 91 PID 3628 wrote to memory of 404 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 93 PID 3628 wrote to memory of 404 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 93 PID 3628 wrote to memory of 404 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 93 PID 3628 wrote to memory of 4556 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 95 PID 3628 wrote to memory of 4556 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 95 PID 3628 wrote to memory of 4556 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 95 PID 3628 wrote to memory of 3968 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 97 PID 3628 wrote to memory of 3968 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 97 PID 3628 wrote to memory of 3968 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 97 PID 3628 wrote to memory of 3968 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 97 PID 3628 wrote to memory of 3968 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 97 PID 3628 wrote to memory of 3968 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 97 PID 3628 wrote to memory of 3968 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 97 PID 3628 wrote to memory of 3968 3628 b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe"C:\Users\Admin\AppData\Local\Temp\b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1268
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JhrcdGxufUIh.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:404
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JhrcdGxufUIh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3573.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4556
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C:\Users\Admin\AppData\Local\Temp\b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe"C:\Users\Admin\AppData\Local\Temp\b066d69e936c241d52a4dc708223002e8843385d5e04faece3016abd4027c215.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3968
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5b44190a9bba95685c5861c12583c376e
SHA1da58c97e45fd92c9598bedca44680bf21e1ab81e
SHA256c5dbac10786fd86d73926dd28cad8d66ddda6cc022d2235223ab3cad9e34caef
SHA51291d14574f7b4e9d8b62146e54fd5afca39d91bee58fe0ffba55f8e79ba7e90be247e6b0fa6e45a2384641f14d203e68ea5c10245ae933d95d041b1a4b31bc200
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD530ef1657aaf82b31f8fc31a8434374a2
SHA12848a7ee7287df604d009fa4dd9f66d35a272ef0
SHA2564223568f7c59d6733c6e78cab4b25393002093c060ef81dd922f1ba2c7b8ecfb
SHA5121363bebcb51e4556ecb834fd30836b1c29ee7bde245e875bddef7db08989355d52702c5b210fcd6336cdeec3e1a433cd4a39d9933a36c1c876b894bd2b92dc3b