agenttesla | 64cf49217af987d0626bda4b48ebe5cf40e9c27b47cadda9ca5a4ff7c1914027

General

Target
a743aa043b3b8030633dde6a31f1b1a4.exe
Size 711KB
Sample200901-lwpdylezte
SHA256 64cf49217af987d0626bda4b48ebe5cf40e9c27b47cadda9ca5a4ff7c1914027
MD5 a743aa043b3b8030633dde6a31f1b1a4
SHA1 8546646c65aa690a77f373130dff21c2598ceb6f
SHA512 7a958850b06a591f9b8b383eef19c38486804729b9f457a76c92e636a26215a60088910849a7e3f739c370f8af43fac922b5ce7ab7a4dc9abe45c59f699758c1
MD5 SHA1 SHA512

Score

10^/10

keylogger stealer spyware trojan agenttesla

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.privateemail.com
Port
587
Username
[email protected]
Password
NewAugust1303@

Signatures

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

AgentTesla Payload 3 IoCs

keylogger stealer

resource	yara_rule
behavioral2/memory/2124-11-0x000000000045457E-mapping.dmp	agent_tesla
behavioral2/memory/2124-10-0x0000000000400000-0x000000000045A000-memory.dmp	agent_tesla
behavioral2/memory/2124-10-0x0000000000400000-0x000000000045A000-memory.dmp	agent_tesla

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 2728 set thread context of 2124	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	79

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.exe

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
1764	schtasks.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 3c4e55777880d601	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2728	a743aa043b3b8030633dde6a31f1b1a4.exe
2728	a743aa043b3b8030633dde6a31f1b1a4.exe
2728	a743aa043b3b8030633dde6a31f1b1a4.exe
2728	a743aa043b3b8030633dde6a31f1b1a4.exe
2728	a743aa043b3b8030633dde6a31f1b1a4.exe
2124	a743aa043b3b8030633dde6a31f1b1a4.exe
2124	a743aa043b3b8030633dde6a31f1b1a4.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3828	svchost.exe
Token: SeCreatePagefilePrivilege	3828	svchost.exe
Token: SeDebugPrivilege	2728	a743aa043b3b8030633dde6a31f1b1a4.exe
Token: SeDebugPrivilege	2124	a743aa043b3b8030633dde6a31f1b1a4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2124	a743aa043b3b8030633dde6a31f1b1a4.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 1764	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	76
PID 2728 wrote to memory of 1764	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	76
PID 2728 wrote to memory of 1764	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	76
PID 2728 wrote to memory of 2064	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	78
PID 2728 wrote to memory of 2064	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	78
PID 2728 wrote to memory of 2064	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	78
PID 2728 wrote to memory of 2124	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	79
PID 2728 wrote to memory of 2124	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	79
PID 2728 wrote to memory of 2124	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	79
PID 2728 wrote to memory of 2124	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	79
PID 2728 wrote to memory of 2124	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	79
PID 2728 wrote to memory of 2124	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	79
PID 2728 wrote to memory of 2124	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	79
PID 2728 wrote to memory of 2124	2728	a743aa043b3b8030633dde6a31f1b1a4.exe	79

C:\Users\Admin\AppData\Local\Temp\a743aa043b3b8030633dde6a31f1b1a4.exe
"C:\Users\Admin\AppData\Local\Temp\a743aa043b3b8030633dde6a31f1b1a4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ifTaIrJoCTZz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4B13.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1764
- C:\Users\Admin\AppData\Local\Temp\a743aa043b3b8030633dde6a31f1b1a4.exe
  "{path}"
  2⤵
  PID:2064
- C:\Users\Admin\AppData\Local\Temp\a743aa043b3b8030633dde6a31f1b1a4.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2124

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:3828

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2124-13-0x0000000073B10000-0x00000000741FE000-memory.dmp

Download

memory/2124-16-0x0000000006010000-0x0000000006011000-memory.dmp

Download

memory/2124-21-0x0000000006E40000-0x0000000006E41000-memory.dmp

Download

memory/2124-19-0x0000000006510000-0x0000000006511000-memory.dmp

Download

memory/2124-18-0x0000000005980000-0x0000000005981000-memory.dmp

Download

memory/2124-10-0x0000000000400000-0x000000000045A000-memory.dmp

Download

memory/2728-3-0x0000000004E90000-0x0000000004E98000-memory.dmp

Download

memory/2728-1-0x0000000000630000-0x0000000000631000-memory.dmp

Download

memory/2728-0-0x0000000073B10000-0x00000000741FE000-memory.dmp

Download

memory/2728-5-0x00000000054B0000-0x0000000005514000-memory.dmp

Download

memory/2728-4-0x0000000004F90000-0x0000000004F91000-memory.dmp

Download

memory/2728-7-0x000000000B370000-0x000000000B371000-memory.dmp

Download

memory/2728-6-0x0000000007AE0000-0x0000000007B34000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads