agenttesla | d7531e4728438f15714cd44a6ed353d5117b4a3b6db1ece8b945ca8eb0b1408d

General

Target

purchase order pdf.exe
Size

356KB
MD5

be60ea5cc4efb226b78a6a257ff112fd
SHA1

1bc68e94bf651242cd3ca51c34f9113992d4f9a7
SHA256

d7531e4728438f15714cd44a6ed353d5117b4a3b6db1ece8b945ca8eb0b1408d
SHA512

dcb28bde9d6d4726d59c3b62915992c26bbb1cd2f85a89895f8a2ada3ba11c79d0e4dcda4ebac14c257db09ccd0db05959af2db2e2032f622ed6cac8d724400f
SSDEEP

6144:CI8dwrN+sNKki7FYkxcpVotE2586h8YQbWTODuQckHooppgNoo9ELQbkm8UbL0:GUFtOq3Ct186eKwrc+np+Nos9km8U

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
webmaster
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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 data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

35 api.ipify.org
36 api.ipify.org

flow	ioc
35	api.ipify.org
36	api.ipify.org

Suspicious use of SetThreadContext 2 IoCs

Processes:

purchase order pdf.exe

description	pid	process	target process
PID 540 set thread context of 1040	540	purchase order pdf.exe	purchase order pdf.exe
PID 540 set thread context of 3448	540	purchase order pdf.exe	purchase order pdf.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5080 1040 WerFault.exe purchase order pdf.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

purchase order pdf.exe

pid process

3448 purchase order pdf.exe
3448 purchase order pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

purchase order pdf.exe

description pid process

Token: SeDebugPrivilege 3448 purchase order pdf.exe

pid	pid_target	process	target process
5080	1040	WerFault.exe	purchase order pdf.exe

pid	process
3448	purchase order pdf.exe
3448	purchase order pdf.exe

description	pid	process
Token: SeDebugPrivilege	3448	purchase order pdf.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

purchase order pdf.exe

description	pid	process	target process
PID 540 wrote to memory of 1040	540	purchase order pdf.exe	purchase order pdf.exe
PID 540 wrote to memory of 1040	540	purchase order pdf.exe	purchase order pdf.exe
PID 540 wrote to memory of 1040	540	purchase order pdf.exe	purchase order pdf.exe
PID 540 wrote to memory of 1040	540	purchase order pdf.exe	purchase order pdf.exe
PID 540 wrote to memory of 3448	540	purchase order pdf.exe	purchase order pdf.exe
PID 540 wrote to memory of 3448	540	purchase order pdf.exe	purchase order pdf.exe
PID 540 wrote to memory of 3448	540	purchase order pdf.exe	purchase order pdf.exe
PID 540 wrote to memory of 3448	540	purchase order pdf.exe	purchase order pdf.exe
PID 540 wrote to memory of 3448	540	purchase order pdf.exe	purchase order pdf.exe
PID 540 wrote to memory of 3448	540	purchase order pdf.exe	purchase order pdf.exe
PID 540 wrote to memory of 3448	540	purchase order pdf.exe	purchase order pdf.exe
PID 540 wrote to memory of 3448	540	purchase order pdf.exe	purchase order pdf.exe

C:\Users\Admin\AppData\Local\Temp\purchase order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:540

C:\Users\Admin\AppData\Local\Temp\purchase order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order pdf.exe"
2⤵
PID:1040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 80
3⤵
- Program crash
PID:5080

C:\Users\Admin\AppData\Local\Temp\purchase order pdf.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1040 -ip 1040
1⤵
PID:1296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/540-10-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/540-1-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/540-2-0x00000000059E0000-0x00000000059F0000-memory.dmp

Filesize
64KB

Download
memory/540-4-0x0000000003380000-0x0000000003381000-memory.dmp

Filesize
4KB

Download
memory/540-0-0x0000000000FD0000-0x0000000001030000-memory.dmp

Filesize
384KB

Download
memory/3448-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3448-7-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download
memory/3448-8-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/3448-6-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/3448-9-0x0000000002DB0000-0x0000000002E16000-memory.dmp

Filesize
408KB

Download
memory/3448-11-0x0000000006A10000-0x0000000006A60000-memory.dmp

Filesize
320KB

Download
memory/3448-12-0x0000000006B00000-0x0000000006B9C000-memory.dmp

Filesize
624KB

Download
memory/3448-13-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/3448-14-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/3448-15-0x0000000006C40000-0x0000000006CD2000-memory.dmp

Filesize
584KB

Download
memory/3448-16-0x0000000006BB0000-0x0000000006BBA000-memory.dmp

Filesize
40KB

Download

Analysis

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