agenttesla | 5cf1df28a7d2aec8788161592430e5827a0ea5a0b01c0a466013e8c28b81fb65

General

Target

file.exe
Size

928KB
MD5

f04a7f12eb665713b0545817d65ca537
SHA1

15f3109ff7d00ee862c9de1e802ba1917bac5956
SHA256

5cf1df28a7d2aec8788161592430e5827a0ea5a0b01c0a466013e8c28b81fb65
SHA512

c44750b2235ef7e15dc8bb1c6775894fa4414fda250305d19d0e42adc12dcfd29984a342a7c0eed7f4175526c3c962f1301f59420a6f1100844af3430adabc77

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
barclays247.com
Port:
587
Username:
tombag@barclays247.com
Password:
Du_&#[]2y&k*

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2300-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2300-17-0x000000000043764E-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
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

13 api.ipify.org
14 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

file.exe

description pid process target process

PID 508 set thread context of 2300 508 file.exe file.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exe

pid process

2300 file.exe
2300 file.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

file.exe

description pid process

Token: SeDebugPrivilege 2300 file.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

file.exe

pid process

2300 file.exe

flow	ioc
13	api.ipify.org
14	api.ipify.org

description	pid	process	target process
PID 508 set thread context of 2300	508	file.exe	file.exe

pid	process
2300	file.exe
2300	file.exe

description	pid	process
Token: SeDebugPrivilege	2300	file.exe

pid	process
2300	file.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

file.exe

description	pid	process	target process
PID 508 wrote to memory of 2300	508	file.exe	file.exe
PID 508 wrote to memory of 2300	508	file.exe	file.exe
PID 508 wrote to memory of 2300	508	file.exe	file.exe
PID 508 wrote to memory of 2300	508	file.exe	file.exe
PID 508 wrote to memory of 2300	508	file.exe	file.exe
PID 508 wrote to memory of 2300	508	file.exe	file.exe
PID 508 wrote to memory of 2300	508	file.exe	file.exe
PID 508 wrote to memory of 2300	508	file.exe	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:508

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2300

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\file.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
memory/508-11-0x0000000004A30000-0x0000000004A42000-memory.dmp

Filesize
72KB

Download
memory/508-6-0x00000000050D0000-0x00000000050D1000-memory.dmp

Filesize
4KB

Download
memory/508-13-0x0000000004D20000-0x0000000004D28000-memory.dmp

Filesize
32KB

Download
memory/508-15-0x00000000059F0000-0x0000000005A51000-memory.dmp

Filesize
388KB

Download
memory/508-8-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/508-9-0x00000000049F0000-0x00000000049F1000-memory.dmp

Filesize
4KB

Download
memory/508-10-0x0000000004D30000-0x0000000004D31000-memory.dmp

Filesize
4KB

Download
memory/508-2-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/508-12-0x0000000005880000-0x00000000058FF000-memory.dmp

Filesize
508KB

Download
memory/508-5-0x0000000004A70000-0x0000000004A71000-memory.dmp

Filesize
4KB

Download
memory/508-7-0x0000000004B10000-0x0000000004B11000-memory.dmp

Filesize
4KB

Download
memory/508-3-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/2300-17-0x000000000043764E-mapping.dmp

Download
memory/2300-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2300-19-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/2300-24-0x0000000005AD0000-0x0000000005AD1000-memory.dmp

Filesize
4KB

Download
memory/2300-25-0x00000000059A0000-0x00000000059A1000-memory.dmp

Filesize
4KB

Download
memory/2300-26-0x0000000006580000-0x0000000006581000-memory.dmp

Filesize
4KB

Download

Analysis

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