Analysis
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max time kernel
77s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
06/03/2023, 15:46
Static task
static1
Behavioral task
behavioral1
Sample
e-dekont-20230303-0.pdf.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
e-dekont-20230303-0.pdf.exe
Resource
win10v2004-20230220-en
General
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Target
e-dekont-20230303-0.pdf.exe
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Size
915KB
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MD5
b317c7d7a4511fdfbae78b7cb0ca4320
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SHA1
df8eff48a498fa3550e1c60395c5204dba7cbad5
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SHA256
8197e71791a36b364c735addbf05c9533530aae40f1c4d124d7ed098705d2a2f
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SHA512
d34a9fc75aa5a1cb3f539630bc6c17299036e1b3e59551769e27eef7479165eadb44036e579db9febf12083111d2c54ac971fff036fa24b72dbf5edb2dfa5906
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SSDEEP
24576:H1Qwe3cOQ8Q8+2QI08eFnuVI25ZMsRo+b:HBuQ8+2Q6eFnAI2XRo
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5927276382:AAGhv1qf5Km1S52KrhPWDYFsGXK2Gr_4T7I/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation e-dekont-20230303-0.pdf.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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont-20230303-0.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont-20230303-0.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont-20230303-0.pdf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\plQRn = "C:\\Users\\Admin\\AppData\\Roaming\\plQRn\\plQRn.exe" e-dekont-20230303-0.pdf.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.
flow ioc 60 api.ipify.org 61 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1752 set thread context of 456 1752 e-dekont-20230303-0.pdf.exe 102 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 3292 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1752 e-dekont-20230303-0.pdf.exe 1752 e-dekont-20230303-0.pdf.exe 1752 e-dekont-20230303-0.pdf.exe 1752 e-dekont-20230303-0.pdf.exe 1508 powershell.exe 1508 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1752 e-dekont-20230303-0.pdf.exe Token: SeDebugPrivilege 1508 powershell.exe Token: SeDebugPrivilege 456 e-dekont-20230303-0.pdf.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1752 wrote to memory of 1508 1752 e-dekont-20230303-0.pdf.exe 98 PID 1752 wrote to memory of 1508 1752 e-dekont-20230303-0.pdf.exe 98 PID 1752 wrote to memory of 1508 1752 e-dekont-20230303-0.pdf.exe 98 PID 1752 wrote to memory of 3292 1752 e-dekont-20230303-0.pdf.exe 100 PID 1752 wrote to memory of 3292 1752 e-dekont-20230303-0.pdf.exe 100 PID 1752 wrote to memory of 3292 1752 e-dekont-20230303-0.pdf.exe 100 PID 1752 wrote to memory of 456 1752 e-dekont-20230303-0.pdf.exe 102 PID 1752 wrote to memory of 456 1752 e-dekont-20230303-0.pdf.exe 102 PID 1752 wrote to memory of 456 1752 e-dekont-20230303-0.pdf.exe 102 PID 1752 wrote to memory of 456 1752 e-dekont-20230303-0.pdf.exe 102 PID 1752 wrote to memory of 456 1752 e-dekont-20230303-0.pdf.exe 102 PID 1752 wrote to memory of 456 1752 e-dekont-20230303-0.pdf.exe 102 PID 1752 wrote to memory of 456 1752 e-dekont-20230303-0.pdf.exe 102 PID 1752 wrote to memory of 456 1752 e-dekont-20230303-0.pdf.exe 102 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont-20230303-0.pdf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont-20230303-0.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe"C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vrlaJIXKkDK.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1508
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vrlaJIXKkDK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5851.tmp"2⤵
- Creates scheduled task(s)
PID:3292
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C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe"C:\Users\Admin\AppData\Local\Temp\e-dekont-20230303-0.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:456
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5192bc20c87b56d57f279906ee6b96922
SHA1d27301639efaa40e7d4a09823d9d4c250378b479
SHA256d3374fa9a0a2c70f92015d5ef02717b73e77147af62de776c00a410ed66ba705
SHA512b820d02ce030705c3439b617f40c6a21a640cf26dbc32bc1458a06793d30d0f0d07db6db33490765b7bc40a52009f79a3082f3c38fbae34d4a4cb139534ed6df