Analysis
- max time kernel
141s - max time network
71s - platform
windows10_x64 - resource
win10v20210408 - submitted
30/09/2021, 06:33
General
- Target Letter 377WZR-11200C.exe
- Size 680KB
- Sample210930-ha7jsaggb7
- SHA256 4d5da6f39e82ecfd24743a6096ff2963be8ef2b2d8e968584b23fdb879d49c7e
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
Everest10
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Letter 377WZR-11200C.exe"C:\Users\Admin\AppData\Local\Temp\Letter 377WZR-11200C.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Letter 377WZR-11200C.exe"C:\Users\Admin\AppData\Local\Temp\Letter 377WZR-11200C.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/620-119-0x0000000004C40000-0x000000000513E000-memory.dmp
memory/620-123-0x0000000005130000-0x0000000005132000-memory.dmp
memory/620-118-0x0000000004B10000-0x0000000004B11000-memory.dmp
memory/620-114-0x0000000000100000-0x0000000000101000-memory.dmp
memory/620-120-0x0000000004E50000-0x0000000004E51000-memory.dmp
memory/620-121-0x0000000004BD0000-0x0000000004BE3000-memory.dmp
memory/620-117-0x0000000004B20000-0x0000000004B21000-memory.dmp
memory/620-116-0x0000000005140000-0x0000000005141000-memory.dmp
memory/620-122-0x0000000005950000-0x00000000059B9000-memory.dmp
memory/620-124-0x00000000059C0000-0x0000000005A04000-memory.dmp
memory/3772-125-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3772-132-0x0000000005110000-0x000000000560E000-memory.dmp
memory/3772-133-0x00000000055C0000-0x00000000055C1000-memory.dmp
memory/3772-134-0x0000000005E70000-0x0000000005E71000-memory.dmp