agenttesla | 345eea8453a5fd5cd1a5aa11865ef59c187a30b61bf221c2d6276f0f8f4c907c

Analysis

max time kernel
109s
max time network
112s
platform
windows7_x64
resource
win7v20201028
submitted
09/11/2020, 20:09

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General

Target
Swift.exe
Size 431KB
Sample201109-2fa5xp4fej
SHA256 345eea8453a5fd5cd1a5aa11865ef59c187a30b61bf221c2d6276f0f8f4c907c
MD5 9ec451a121e3d160ae56f7827d6a0819
SHA1 c6c4f893f06a864a8deb209952bb3072f025a0ce
SHA512 0333804fba54e3ec6866a40e9c7cbb1d842b53a08be41763744489c93a5f1358facc608f4ba71f9fd6ae9002ae2c3c342820e47068056058c75afea57fb51811
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 4 IoCs

resource	yara_rule
behavioral1/memory/1268-1-0x0000000000449E3E-mapping.dmp	family_agenttesla
behavioral1/memory/1268-0-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/1268-2-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/1268-3-0x0000000000400000-0x000000000044E000-memory.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 1992 set thread context of 1268	1992	Swift.exe	26

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1268	Swift.exe
1268	Swift.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1268	Swift.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 1268	1992	Swift.exe	26
PID 1992 wrote to memory of 1268	1992	Swift.exe	26
PID 1992 wrote to memory of 1268	1992	Swift.exe	26
PID 1992 wrote to memory of 1268	1992	Swift.exe	26
PID 1992 wrote to memory of 1268	1992	Swift.exe	26
PID 1992 wrote to memory of 1268	1992	Swift.exe	26
PID 1992 wrote to memory of 1268	1992	Swift.exe	26
PID 1992 wrote to memory of 1268	1992	Swift.exe	26
PID 1992 wrote to memory of 1268	1992	Swift.exe	26

C:\Users\Admin\AppData\Local\Temp\Swift.exe
"C:\Users\Admin\AppData\Local\Temp\Swift.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\Swift.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1268

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

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Downloads

memory/1268-0-0x0000000000400000-0x000000000044E000-memory.dmp

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memory/1268-2-0x0000000000400000-0x000000000044E000-memory.dmp

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memory/1268-3-0x0000000000400000-0x000000000044E000-memory.dmp

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