agenttesla | df6a630242b0f0bc7f92f38798fcd3eb80f42978ec3bfe22b506e44ac47ab072

General

Target

file.exe
Size

1.2MB
MD5

d49bc0561ba651cb18f2f2b4a91dfff2
SHA1

58de812c4870da61434631dbda3b806bfb9dfc96
SHA256

df6a630242b0f0bc7f92f38798fcd3eb80f42978ec3bfe22b506e44ac47ab072
SHA512

32274f4ffef7390512138006e22e47994e0775f245260bc8a769382ba0d1bbc712c2c920cb39079ea2a13aacdc995362abbc0cc1091cbeae1f2a9e0f9fee86da

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/4040-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4040-16-0x000000000043764E-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

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

Processes:

file.exe

description pid process target process

PID 3888 set thread context of 4040 3888 file.exe file.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exe

pid process

4040 file.exe
4040 file.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

file.exe

description pid process

Token: SeDebugPrivilege 4040 file.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

file.exe

pid process

4040 file.exe

flow	ioc
14	api.ipify.org
15	api.ipify.org

description	pid	process	target process
PID 3888 set thread context of 4040	3888	file.exe	file.exe

pid	process
4040	file.exe
4040	file.exe

description	pid	process
Token: SeDebugPrivilege	4040	file.exe

pid	process
4040	file.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

file.exe

description	pid	process	target process
PID 3888 wrote to memory of 4040	3888	file.exe	file.exe
PID 3888 wrote to memory of 4040	3888	file.exe	file.exe
PID 3888 wrote to memory of 4040	3888	file.exe	file.exe
PID 3888 wrote to memory of 4040	3888	file.exe	file.exe
PID 3888 wrote to memory of 4040	3888	file.exe	file.exe
PID 3888 wrote to memory of 4040	3888	file.exe	file.exe
PID 3888 wrote to memory of 4040	3888	file.exe	file.exe
PID 3888 wrote to memory of 4040	3888	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:3888

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:4040

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/3888-11-0x0000000006290000-0x0000000006327000-memory.dmp

Filesize
604KB

Download
memory/3888-10-0x0000000005680000-0x0000000005692000-memory.dmp

Filesize
72KB

Download
memory/3888-6-0x0000000005BB0000-0x0000000005BB1000-memory.dmp

Filesize
4KB

Download
memory/3888-7-0x00000000056B0000-0x00000000056B1000-memory.dmp

Filesize
4KB

Download
memory/3888-12-0x0000000005B90000-0x0000000005B98000-memory.dmp

Filesize
32KB

Download
memory/3888-9-0x00000000057B0000-0x00000000057B1000-memory.dmp

Filesize
4KB

Download
memory/3888-5-0x0000000005500000-0x0000000005501000-memory.dmp

Filesize
4KB

Download
memory/3888-2-0x0000000073A20000-0x000000007410E000-memory.dmp

Filesize
6.9MB

Download
memory/3888-8-0x0000000003190000-0x0000000003191000-memory.dmp

Filesize
4KB

Download
memory/3888-14-0x00000000064A0000-0x0000000006519000-memory.dmp

Filesize
484KB

Download
memory/3888-3-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

Filesize
4KB

Download
memory/4040-16-0x000000000043764E-mapping.dmp

Download
memory/4040-18-0x0000000073A20000-0x000000007410E000-memory.dmp

Filesize
6.9MB

Download
memory/4040-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4040-23-0x0000000005330000-0x0000000005331000-memory.dmp

Filesize
4KB

Download
memory/4040-24-0x0000000005FB0000-0x0000000005FB1000-memory.dmp

Filesize
4KB

Download

Analysis

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