Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
18-06-2024 16:58
Static task
static1
Behavioral task
behavioral1
Sample
50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe
Resource
win10v2004-20240226-en
General
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Target
50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe
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Size
754KB
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MD5
d6254b026f6948b21e2e432d019e7207
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SHA1
ef4417d75d2c73b595c0907e9dd1dd46d529dd69
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SHA256
50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a
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SHA512
4135ce960173169649d66c06e1b5f619abe7852040317b53eba0818dc6b877405bf001fb674c06c25e19061f966012b8bc3b4b3b617ea388b6578ef979583ef9
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SSDEEP
12288:U/wRuiQu+P5D1I539Kd2k06LGuXxT+/peL1bndieEACR5leZlN:Yauc+xD1qtZCaBeL1p7EA+er
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.ekolev.com.tr - Port:
587 - Username:
[email protected] - Password:
Ekol.1071 - Email To:
[email protected]
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 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.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:
50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\JWxJzQW = "C:\\Users\\Admin\\AppData\\Roaming\\JWxJzQW\\JWxJzQW.exe" 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exedescription pid process target process PID 1496 set thread context of 1808 1496 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exepowershell.exepid process 1808 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe 1808 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe 1808 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe 2152 powershell.exe 2152 powershell.exe 2152 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exepowershell.exedescription pid process Token: SeDebugPrivilege 1808 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe Token: SeDebugPrivilege 2152 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exedescription pid process target process PID 1496 wrote to memory of 2152 1496 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe powershell.exe PID 1496 wrote to memory of 2152 1496 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe powershell.exe PID 1496 wrote to memory of 2152 1496 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe powershell.exe PID 1496 wrote to memory of 1808 1496 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe PID 1496 wrote to memory of 1808 1496 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe PID 1496 wrote to memory of 1808 1496 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe PID 1496 wrote to memory of 1808 1496 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe PID 1496 wrote to memory of 1808 1496 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe PID 1496 wrote to memory of 1808 1496 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe PID 1496 wrote to memory of 1808 1496 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe PID 1496 wrote to memory of 1808 1496 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe 50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe"C:\Users\Admin\AppData\Local\Temp\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1496 -
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\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2152
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C:\Users\Admin\AppData\Local\Temp\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe"C:\Users\Admin\AppData\Local\Temp\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1808
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:81⤵PID:5084
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82