Analysis
-
max time kernel
118s -
max time network
188s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
31-12-2021 10:24
Static task
static1
Behavioral task
behavioral1
Sample
3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe
Resource
win10-en-20211208
General
-
Target
3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe
-
Size
300.0MB
-
MD5
02991d493aedc4e3b544cf5b9ee57499
-
SHA1
1de6c330b46ac1de2ec149cdc5c3c4f3da979863
-
SHA256
3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a
-
SHA512
78ba8d96f2c2a91e951980abff59b256ab5e4297bbc12ca9f6a9fcc54036391b177907d74061459a44d2527c92bb47f8ef13a69ef8500fd303dfc41a1c89300d
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot2049439171:AAHTF-OzMCy9i3S0b0hmaVc_mUsY0h6Ue_w/sendDocument
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 5 IoCs
resource yara_rule behavioral2/memory/1100-124-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/1100-125-0x000000000043772E-mapping.dmp family_agenttesla behavioral2/memory/1100-126-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/1100-127-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/1100-130-0x0000000005890000-0x0000000005D8E000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
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-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2792 set thread context of 1100 2792 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe 69 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1100 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe 1100 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2792 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe Token: SeDebugPrivilege 1100 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2792 wrote to memory of 1100 2792 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe 69 PID 2792 wrote to memory of 1100 2792 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe 69 PID 2792 wrote to memory of 1100 2792 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe 69 PID 2792 wrote to memory of 1100 2792 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe 69 PID 2792 wrote to memory of 1100 2792 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe 69 PID 2792 wrote to memory of 1100 2792 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe 69 PID 2792 wrote to memory of 1100 2792 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe 69 PID 2792 wrote to memory of 1100 2792 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe 69 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe"C:\Users\Admin\AppData\Local\Temp\3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Users\Admin\AppData\Local\Temp\3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe"C:\Users\Admin\AppData\Local\Temp\3a4fc42fdb5a73034c00e4d709dad5641ca8ec64c0684fa5ce5138551dd3f47a.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1100
-