agenttesla | 125658d2a15c25d986039b7fd0ac63b8f83b6c7a312b9d1945f251c4a00d1edb

General

Target

DBG1435766.pdf.exe
Size

642KB
MD5

c96b1ab041b5de0d12add2c508811d2e
SHA1

6312de7b19a06e5c4841c6ec610e9d3479d49ae5
SHA256

58e4540c1c53bc7bdcaa26de63fdff31ac8b6db3746c11aa20d0267e8bf83108
SHA512

5b9f29070170b6602205a2597c008db85d04dc3b3767fd78f40aaac19e5a733fb635c19304b94b031477783c6366b9b232907816c6bcc3febc712a274c0c4ee9
SSDEEP

12288:P/YoBqcgsIg8CmihkBOmYBmhud+/S9qDXrVMz0MKF7IYXQTCsVx3K9i72l:4onJh4ZhR7VMYb7IBVUkE

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.alitextile.com
Port:
587
Username:
[email protected]
Password:
Myname@321
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	api.ipify.org
6	ip-api.com
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2180 set thread context of 2756	2180	DBG1435766.pdf.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DBG1435766.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DBG1435766.pdf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2756	DBG1435766.pdf.exe
2756	DBG1435766.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	DBG1435766.pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2756	DBG1435766.pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2756	2180	DBG1435766.pdf.exe	29
PID 2180 wrote to memory of 2756	2180	DBG1435766.pdf.exe	29
PID 2180 wrote to memory of 2756	2180	DBG1435766.pdf.exe	29
PID 2180 wrote to memory of 2756	2180	DBG1435766.pdf.exe	29
PID 2180 wrote to memory of 2756	2180	DBG1435766.pdf.exe	29
PID 2180 wrote to memory of 2756	2180	DBG1435766.pdf.exe	29
PID 2180 wrote to memory of 2756	2180	DBG1435766.pdf.exe	29
PID 2180 wrote to memory of 2756	2180	DBG1435766.pdf.exe	29
PID 2180 wrote to memory of 2756	2180	DBG1435766.pdf.exe	29

C:\Users\Admin\AppData\Local\Temp\DBG1435766.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DBG1435766.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\DBG1435766.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\DBG1435766.pdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

3

T1552

Credentials In Files

2

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2180-0-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

Filesize
4KB

Download
memory/2180-1-0x0000000000EB0000-0x0000000000F56000-memory.dmp

Filesize
664KB

Download
memory/2180-2-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2180-3-0x0000000000970000-0x0000000000980000-memory.dmp

Filesize
64KB

Download
memory/2180-4-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

Filesize
4KB

Download
memory/2180-5-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2180-6-0x0000000005280000-0x0000000005304000-memory.dmp

Filesize
528KB

Download
memory/2180-21-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-22-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2756-23-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-24-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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