agenttesla | b29ff9fce5bc6dd416237a90d0c64e0b55b145f7a666152966318857ca12e921

Analysis

max time kernel
127s
max time network
128s
platform
windows10_x64
resource
win10v20201028
submitted
09/11/2020, 20:16

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General

Target
37786effebbf491d02fcba7a22c678ef.exe
Size 399KB
Sample201109-9g48157p4a
SHA256 b29ff9fce5bc6dd416237a90d0c64e0b55b145f7a666152966318857ca12e921
MD5 37786effebbf491d02fcba7a22c678ef
SHA1 8997632d5f5d99cc3865b61842173ad130d766ab
SHA512 51ba25ce992316e34c898f346d0d7f6d45449ddfecb973f3f52ca124e9cf119d8dd148a82966caa3576a6a35c41ea63242c573cf1660250f72def9b78270ed51
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.yandex.com
Port
587
Username
[email protected]
Password
chukwudi123

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/3224-0-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral2/memory/3224-1-0x0000000000449E3E-mapping.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 648 set thread context of 3224	648	37786effebbf491d02fcba7a22c678ef.exe	75

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3224	37786effebbf491d02fcba7a22c678ef.exe
3224	37786effebbf491d02fcba7a22c678ef.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3224	37786effebbf491d02fcba7a22c678ef.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 648 wrote to memory of 3224	648	37786effebbf491d02fcba7a22c678ef.exe	75
PID 648 wrote to memory of 3224	648	37786effebbf491d02fcba7a22c678ef.exe	75
PID 648 wrote to memory of 3224	648	37786effebbf491d02fcba7a22c678ef.exe	75
PID 648 wrote to memory of 3224	648	37786effebbf491d02fcba7a22c678ef.exe	75
PID 648 wrote to memory of 3224	648	37786effebbf491d02fcba7a22c678ef.exe	75
PID 648 wrote to memory of 3224	648	37786effebbf491d02fcba7a22c678ef.exe	75
PID 648 wrote to memory of 3224	648	37786effebbf491d02fcba7a22c678ef.exe	75
PID 648 wrote to memory of 3224	648	37786effebbf491d02fcba7a22c678ef.exe	75

C:\Users\Admin\AppData\Local\Temp\37786effebbf491d02fcba7a22c678ef.exe
"C:\Users\Admin\AppData\Local\Temp\37786effebbf491d02fcba7a22c678ef.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:648
- C:\Users\Admin\AppData\Local\Temp\37786effebbf491d02fcba7a22c678ef.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3224

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3224-0-0x0000000000400000-0x000000000044E000-memory.dmp

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