Analysis
-
max time kernel
157s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
10-12-2022 13:38
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order_2241838_20221210_201349-pdf.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Purchase Order_2241838_20221210_201349-pdf.exe
Resource
win10v2004-20220812-en
General
-
Target
Purchase Order_2241838_20221210_201349-pdf.exe
-
Size
23KB
-
MD5
e21cdaf4693263a36d6f3f6d7544bc19
-
SHA1
91d37dac1d4669e0fc704ddbef4ffae00534d826
-
SHA256
3e00d864918670e82b26e4dd616644aa3c22ead3495ec6ca6e2588e6a855aad8
-
SHA512
d636f89d776e57f5eb2905825cc182664c03402cdf864bc8d9573c8dfa981b2952f95777d704ce55caa152a7b10957b7fd38d3738531c87a48b859992cc20a5a
-
SSDEEP
384:xYglR6cNoHzVZJq/S8frSo62tCT+UuSvwiFawJQl:xX4HzIfrS8fiFaKQl
Malware Config
Extracted
agenttesla
https://discord.com/api/webhooks/1050604372649857074/HCdXn7L3pXjiWpMvSwsznc6mxCQNPxPKiBRfn4IJaLSoWiI7oFa4ZtErxOdAdlW9nPsH
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Purchase Order_2241838_20221210_201349-pdf.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation Purchase Order_2241838_20221210_201349-pdf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Purchase Order_2241838_20221210_201349-pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ydgmbana = "\"C:\\Users\\Admin\\AppData\\Roaming\\Lmoisqen\\Ydgmbana.exe\"" Purchase Order_2241838_20221210_201349-pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Purchase Order_2241838_20221210_201349-pdf.exedescription pid process target process PID 428 set thread context of 1368 428 Purchase Order_2241838_20221210_201349-pdf.exe Purchase Order_2241838_20221210_201349-pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exePurchase Order_2241838_20221210_201349-pdf.exepid process 1840 powershell.exe 1840 powershell.exe 1368 Purchase Order_2241838_20221210_201349-pdf.exe 1368 Purchase Order_2241838_20221210_201349-pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Purchase Order_2241838_20221210_201349-pdf.exepowershell.exePurchase Order_2241838_20221210_201349-pdf.exedescription pid process Token: SeDebugPrivilege 428 Purchase Order_2241838_20221210_201349-pdf.exe Token: SeDebugPrivilege 1840 powershell.exe Token: SeDebugPrivilege 1368 Purchase Order_2241838_20221210_201349-pdf.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Purchase Order_2241838_20221210_201349-pdf.exedescription pid process target process PID 428 wrote to memory of 1840 428 Purchase Order_2241838_20221210_201349-pdf.exe powershell.exe PID 428 wrote to memory of 1840 428 Purchase Order_2241838_20221210_201349-pdf.exe powershell.exe PID 428 wrote to memory of 1840 428 Purchase Order_2241838_20221210_201349-pdf.exe powershell.exe PID 428 wrote to memory of 1368 428 Purchase Order_2241838_20221210_201349-pdf.exe Purchase Order_2241838_20221210_201349-pdf.exe PID 428 wrote to memory of 1368 428 Purchase Order_2241838_20221210_201349-pdf.exe Purchase Order_2241838_20221210_201349-pdf.exe PID 428 wrote to memory of 1368 428 Purchase Order_2241838_20221210_201349-pdf.exe Purchase Order_2241838_20221210_201349-pdf.exe PID 428 wrote to memory of 1368 428 Purchase Order_2241838_20221210_201349-pdf.exe Purchase Order_2241838_20221210_201349-pdf.exe PID 428 wrote to memory of 1368 428 Purchase Order_2241838_20221210_201349-pdf.exe Purchase Order_2241838_20221210_201349-pdf.exe PID 428 wrote to memory of 1368 428 Purchase Order_2241838_20221210_201349-pdf.exe Purchase Order_2241838_20221210_201349-pdf.exe PID 428 wrote to memory of 1368 428 Purchase Order_2241838_20221210_201349-pdf.exe Purchase Order_2241838_20221210_201349-pdf.exe PID 428 wrote to memory of 1368 428 Purchase Order_2241838_20221210_201349-pdf.exe Purchase Order_2241838_20221210_201349-pdf.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order_2241838_20221210_201349-pdf.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order_2241838_20221210_201349-pdf.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:428 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1840
-
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order_2241838_20221210_201349-pdf.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order_2241838_20221210_201349-pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1368
-