Analysis
- max time kernel
144s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
01/03/2022, 19:17
General
- Target Items required.exe
- Size 817KB
- Sample220301-xzc4ssbcd2
- SHA256 3226b44835eae78f666155d3ee6a4af642015fc1a0bc61aa32bdec0bb0ed4481
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5056459562:AAHQW9wJvHEkQsnxuML0xV3IDA6-DUuUNFI/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
- Drops file in Drivers directory 1 IoCs
- 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
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Items required.exe"C:\Users\Admin\AppData\Local\Temp\Items required.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Items required.exe"C:\Users\Admin\AppData\Local\Temp\Items required.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Items required.exe"C:\Users\Admin\AppData\Local\Temp\Items required.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3016-130-0x00000000746FE000-0x00000000746FF000-memory.dmp
memory/3016-131-0x00000000003D0000-0x00000000004A2000-memory.dmp
memory/3016-132-0x0000000005520000-0x0000000005AC4000-memory.dmp
memory/3016-133-0x0000000004E50000-0x0000000004EE2000-memory.dmp
memory/3016-134-0x0000000005050000-0x0000000005051000-memory.dmp
memory/3016-135-0x0000000004EF0000-0x0000000004EFA000-memory.dmp
memory/3016-136-0x0000000008700000-0x000000000879C000-memory.dmp
memory/3964-137-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3964-139-0x0000000005850000-0x0000000005851000-memory.dmp
memory/3964-138-0x00000000746FE000-0x00000000746FF000-memory.dmp
memory/3964-140-0x0000000006490000-0x00000000064F6000-memory.dmp
memory/3964-141-0x0000000006650000-0x00000000066A0000-memory.dmp