Analysis
-
max time kernel
121s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231025-en -
resource tags
arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system -
submitted
25-11-2023 03:00
Static task
static1
Behavioral task
behavioral1
Sample
cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe
Resource
win10v2004-20231023-en
General
-
Target
cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe
-
Size
839KB
-
MD5
b1d8e0f2bd4320a9a8d17c655f7e2958
-
SHA1
79bff8ca37702256dede63b3e9531135c205bbe0
-
SHA256
cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95
-
SHA512
c46357812c12c8632241dedcff870b0bb560ebb273e0b1f7c29616dc31d53fe9c44727f89e189a444da99bc01ba62ff7e31713b70bab4ee7ec55273e9bb42388
-
SSDEEP
12288:RUwVLsFYMDZbTWFFK333SFuG6Ehe5xabyqG0T39LpTuWUsbq7O9ZOmwpEbsL3iCC:R34B5/33SFuG6Eqgby8N11
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
Chibuonyenze8888 - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.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.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe Key opened \REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe Key opened \REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2612 set thread context of 2584 2612 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 33 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2524 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2584 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 2584 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2584 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2584 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2612 wrote to memory of 2524 2612 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 31 PID 2612 wrote to memory of 2524 2612 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 31 PID 2612 wrote to memory of 2524 2612 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 31 PID 2612 wrote to memory of 2524 2612 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 31 PID 2612 wrote to memory of 2584 2612 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 33 PID 2612 wrote to memory of 2584 2612 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 33 PID 2612 wrote to memory of 2584 2612 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 33 PID 2612 wrote to memory of 2584 2612 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 33 PID 2612 wrote to memory of 2584 2612 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 33 PID 2612 wrote to memory of 2584 2612 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 33 PID 2612 wrote to memory of 2584 2612 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 33 PID 2612 wrote to memory of 2584 2612 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 33 PID 2612 wrote to memory of 2584 2612 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe 33 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe"C:\Users\Admin\AppData\Local\Temp\cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rLAbLfCavTuDwJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B9C.tmp"2⤵
- Creates scheduled task(s)
PID:2524
-
-
C:\Users\Admin\AppData\Local\Temp\cd6655eae6994bf4dc8037faad921ef7ad7f3eb4cc7110f1e7e53916154dff95.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2584
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD597489769ba52bcf856e63dee859a6396
SHA11866f8ab73d3abfada39d913ed53a6feff69271c
SHA256b326d8e3c26658ee87d095b10ca326c90656639bf8fb8e8eb6fbb1e76f8677b3
SHA5128161d67fe4616f2ba263b8f84168563bc9473e5e9c58b97f9dcfc1bc6ae26ef88f13cd755f8249d66a8abb623f59af97b52b3d485756f4dcf4ed543f6fead284