Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18/05/2024, 18:34
Static task
static1
Behavioral task
behavioral1
Sample
YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe
Resource
win10v2004-20240508-en
General
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Target
YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe
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Size
697KB
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MD5
9e2e47c1b220b368cbf9720d362fea80
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SHA1
c7db8c532ef25249c377c3e22197ca8f3df0f342
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SHA256
3713a53f5b24fd88d75534391e13d6883666805647e7ef4c79f8ab94e9083f4d
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SHA512
a50ee498115cd55138f4fe834a4e25bec317c03fb9abb3c85f2e5b0c5cc47a132abaa8790bbd87d1c3b3cde326517d2bb31103936855f0f6056940a1d9a09816
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SSDEEP
12288:GdrLbDZaNRpm9w2cqnJ6F/i87C82GFgW20BynVg1tXSuJSRZJyP3Oa++ljR2FjJ1:ILDZMRpm9Q/FaO2RT0QWW/weqSjpeZnc
Malware Config
Extracted
Protocol: smtp- Host:
mail.saralgumruk.com - Port:
587 - Username:
[email protected] - Password:
Srl--789789_
Extracted
agenttesla
Protocol: smtp- Host:
mail.saralgumruk.com - Port:
587 - Username:
[email protected] - Password:
Srl--789789_ - 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.
pid Process 1092 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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.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 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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctsdvwT = "C:\\Users\\Admin\\AppData\\Roaming\\ctsdvwT\\ctsdvwT.exe" YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2652 set thread context of 1056 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 95 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 1056 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 1056 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 1056 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 1056 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 1092 powershell.exe 1092 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe Token: SeDebugPrivilege 1056 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe Token: SeDebugPrivilege 1092 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1056 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2652 wrote to memory of 1092 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 93 PID 2652 wrote to memory of 1092 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 93 PID 2652 wrote to memory of 1092 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 93 PID 2652 wrote to memory of 1056 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 95 PID 2652 wrote to memory of 1056 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 95 PID 2652 wrote to memory of 1056 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 95 PID 2652 wrote to memory of 1056 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 95 PID 2652 wrote to memory of 1056 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 95 PID 2652 wrote to memory of 1056 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 95 PID 2652 wrote to memory of 1056 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 95 PID 2652 wrote to memory of 1056 2652 YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe"C:\Users\Admin\AppData\Local\Temp\YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2652 -
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\YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1092
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C:\Users\Admin\AppData\Local\Temp\YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe"C:\Users\Admin\AppData\Local\Temp\YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1056
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82