agenttesla | 32299b31508d3573355dbee08ac526382cd90fbe5026335c5f8917ab34c02177

General

Target

518202380100091.exe
Size

342KB
MD5

7d6ce76d6c678a9813eb2a778c79eaaf
SHA1

fd1e624cf11084fb645f08e820245b2b2e306927
SHA256

32299b31508d3573355dbee08ac526382cd90fbe5026335c5f8917ab34c02177
SHA512

0f14e3ca337ed82d48823020e1666ce4a9f601f2122824cf798d89563e90782b5903e1403d42a03b3321c912e107ac11116baf1c039dc376b05c21cd0ffcc7ec

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
%CbXmuuVt8

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/1500-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1500-3-0x00000000004472DE-mapping.dmp	family_agenttesla
behavioral1/memory/1500-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1500-5-0x0000000000400000-0x000000000044C000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\newApp = "C:\\Users\\Admin\\AppData\\Roaming\\newApp\\newApp.exe"	518202380100091.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1104 set thread context of 1500	1104	518202380100091.exe	25

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1104	518202380100091.exe
1104	518202380100091.exe
1500	518202380100091.exe
1500	518202380100091.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1104	518202380100091.exe
Token: SeDebugPrivilege	1500	518202380100091.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 1476	1104	518202380100091.exe	24
PID 1104 wrote to memory of 1476	1104	518202380100091.exe	24
PID 1104 wrote to memory of 1476	1104	518202380100091.exe	24
PID 1104 wrote to memory of 1476	1104	518202380100091.exe	24
PID 1104 wrote to memory of 1500	1104	518202380100091.exe	25
PID 1104 wrote to memory of 1500	1104	518202380100091.exe	25
PID 1104 wrote to memory of 1500	1104	518202380100091.exe	25
PID 1104 wrote to memory of 1500	1104	518202380100091.exe	25
PID 1104 wrote to memory of 1500	1104	518202380100091.exe	25
PID 1104 wrote to memory of 1500	1104	518202380100091.exe	25
PID 1104 wrote to memory of 1500	1104	518202380100091.exe	25
PID 1104 wrote to memory of 1500	1104	518202380100091.exe	25
PID 1104 wrote to memory of 1500	1104	518202380100091.exe	25

C:\Users\Admin\AppData\Local\Temp\518202380100091.exe
"C:\Users\Admin\AppData\Local\Temp\518202380100091.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Users\Admin\AppData\Local\Temp\518202380100091.exe
  "{path}"
  2⤵
  PID:1476
- C:\Users\Admin\AppData\Local\Temp\518202380100091.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1500

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1500-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1500-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1500-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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