agenttesla | a5e59a2561101dbc5fc6903ccfb5ede6b7e3f101a08f676e3a05c8e711ef2e17

Analysis

max time kernel
150s
max time network
117s
platform
windows10_x64
resource
win10v20201028
submitted
01/03/2021, 07:46

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General

Target
1aa86882c26823fe7e449ef9d9a58fdd.exe
Size 1.1MB
Sample210301-w45ysmsvsa
SHA256 a5e59a2561101dbc5fc6903ccfb5ede6b7e3f101a08f676e3a05c8e711ef2e17
MD5 1aa86882c26823fe7e449ef9d9a58fdd
SHA1 c6c851bb0387ed95f3878fea01e1ed95af59e48b
SHA512 a0090a7823913b953cb64418f34fd126864ff8d195d5048d209e5c7ea28bed2145414729491703ed5ad52643fb6228aabdd9a7cd5b7c89b1c7bb608e641d7a70
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.privateemail.com
Port
587
Username
[email protected]
Password
@Mexico1.,

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2068-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2068-17-0x000000000043749E-mapping.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3936 set thread context of 2068	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	81

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3844	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3936	1aa86882c26823fe7e449ef9d9a58fdd.exe
3936	1aa86882c26823fe7e449ef9d9a58fdd.exe
3936	1aa86882c26823fe7e449ef9d9a58fdd.exe
2068	1aa86882c26823fe7e449ef9d9a58fdd.exe
2068	1aa86882c26823fe7e449ef9d9a58fdd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe
Token: SeDebugPrivilege	2068	1aa86882c26823fe7e449ef9d9a58fdd.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 3844	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	78
PID 3936 wrote to memory of 3844	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	78
PID 3936 wrote to memory of 3844	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	78
PID 3936 wrote to memory of 3180	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	80
PID 3936 wrote to memory of 3180	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	80
PID 3936 wrote to memory of 3180	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	80
PID 3936 wrote to memory of 2068	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	81
PID 3936 wrote to memory of 2068	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	81
PID 3936 wrote to memory of 2068	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	81
PID 3936 wrote to memory of 2068	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	81
PID 3936 wrote to memory of 2068	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	81
PID 3936 wrote to memory of 2068	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	81
PID 3936 wrote to memory of 2068	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	81
PID 3936 wrote to memory of 2068	3936	1aa86882c26823fe7e449ef9d9a58fdd.exe	81

C:\Users\Admin\AppData\Local\Temp\1aa86882c26823fe7e449ef9d9a58fdd.exe
"C:\Users\Admin\AppData\Local\Temp\1aa86882c26823fe7e449ef9d9a58fdd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BiCTOXuUcLVsK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5252.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3844
- C:\Users\Admin\AppData\Local\Temp\1aa86882c26823fe7e449ef9d9a58fdd.exe
  "C:\Users\Admin\AppData\Local\Temp\1aa86882c26823fe7e449ef9d9a58fdd.exe"
  2⤵
  PID:3180
- C:\Users\Admin\AppData\Local\Temp\1aa86882c26823fe7e449ef9d9a58fdd.exe
  "C:\Users\Admin\AppData\Local\Temp\1aa86882c26823fe7e449ef9d9a58fdd.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2068

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2068-26-0x0000000005F60000-0x0000000005F61000-memory.dmp

Download

memory/2068-25-0x0000000005380000-0x0000000005381000-memory.dmp

Download

memory/2068-24-0x00000000054A0000-0x00000000054A1000-memory.dmp

Download

memory/2068-19-0x00000000733A0000-0x0000000073A8E000-memory.dmp

Download

memory/2068-16-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/3936-8-0x00000000050B0000-0x00000000050B1000-memory.dmp

Download

memory/3936-13-0x000000000E010000-0x000000000E06D000-memory.dmp

Download

memory/3936-12-0x0000000009C10000-0x000000000DC0D000-memory.dmp

Download

memory/3936-11-0x00000000058C0000-0x00000000058C1000-memory.dmp

Download

memory/3936-10-0x0000000005040000-0x0000000005041000-memory.dmp

Download

memory/3936-9-0x0000000004D70000-0x0000000004D71000-memory.dmp

Download

memory/3936-2-0x00000000733A0000-0x0000000073A8E000-memory.dmp

Download

memory/3936-7-0x0000000004EC0000-0x0000000004EC1000-memory.dmp

Download

memory/3936-6-0x00000000053C0000-0x00000000053C1000-memory.dmp

Download

memory/3936-5-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

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memory/3936-3-0x0000000000450000-0x0000000000451000-memory.dmp

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