agenttesla | a04149b5e4fd34db0eb6dbbb815f47a09700cdb6b899e59b9a9771d5cd6f4ff7

General

Target

CV Mariana Alvarez.exe
Size

670KB
MD5

a7b5278a3cb702e9a35e81e9499b02f6
SHA1

27e6ea7acc6866cf0b33e74aa0b14c397c207a70
SHA256

a04149b5e4fd34db0eb6dbbb815f47a09700cdb6b899e59b9a9771d5cd6f4ff7
SHA512

da4efef37a8b66cd37073db159b8c31648501e58ba67c9a64d7c59d82828fb9649ed6d5317ca412a3c5e478f06982e319709128b314a1ab35a8a3cc5179a78b8
SSDEEP

12288:li0YOwqgsH+MgpRYV9zNwA7NAY4zr/blj1GVyQ3s2wd0rTCbBUEBGl:YO7beMkOla3Rcl3yC2bBUE4

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.flying-fish-cn.com
Port:
587
Username:
office@flying-fish-cn.com
Password:
hkk999@@@
Email To:
office@flying-fish-cn.com

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

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

CV Mariana Alvarez.exe

description pid process target process

PID 3068 set thread context of 2612 3068 CV Mariana Alvarez.exe CV Mariana Alvarez.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 3068 set thread context of 2612	3068	CV Mariana Alvarez.exe	CV Mariana Alvarez.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

CV Mariana Alvarez.exeCV Mariana Alvarez.exe

pid	process
3068	CV Mariana Alvarez.exe
3068	CV Mariana Alvarez.exe
3068	CV Mariana Alvarez.exe
3068	CV Mariana Alvarez.exe
3068	CV Mariana Alvarez.exe
3068	CV Mariana Alvarez.exe
3068	CV Mariana Alvarez.exe
3068	CV Mariana Alvarez.exe
3068	CV Mariana Alvarez.exe
2612	CV Mariana Alvarez.exe
2612	CV Mariana Alvarez.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

CV Mariana Alvarez.exeCV Mariana Alvarez.exe

description pid process

Token: SeDebugPrivilege 3068 CV Mariana Alvarez.exe
Token: SeDebugPrivilege 2612 CV Mariana Alvarez.exe

description	pid	process
Token: SeDebugPrivilege	3068	CV Mariana Alvarez.exe
Token: SeDebugPrivilege	2612	CV Mariana Alvarez.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

CV Mariana Alvarez.exe

description	pid	process	target process
PID 3068 wrote to memory of 2612	3068	CV Mariana Alvarez.exe	CV Mariana Alvarez.exe
PID 3068 wrote to memory of 2612	3068	CV Mariana Alvarez.exe	CV Mariana Alvarez.exe
PID 3068 wrote to memory of 2612	3068	CV Mariana Alvarez.exe	CV Mariana Alvarez.exe
PID 3068 wrote to memory of 2612	3068	CV Mariana Alvarez.exe	CV Mariana Alvarez.exe
PID 3068 wrote to memory of 2612	3068	CV Mariana Alvarez.exe	CV Mariana Alvarez.exe
PID 3068 wrote to memory of 2612	3068	CV Mariana Alvarez.exe	CV Mariana Alvarez.exe
PID 3068 wrote to memory of 2612	3068	CV Mariana Alvarez.exe	CV Mariana Alvarez.exe
PID 3068 wrote to memory of 2612	3068	CV Mariana Alvarez.exe	CV Mariana Alvarez.exe
PID 3068 wrote to memory of 2612	3068	CV Mariana Alvarez.exe	CV Mariana Alvarez.exe

C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe
"C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068

C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe
"C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2612

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2612-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2612-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2612-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2612-24-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2612-22-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2612-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2612-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2612-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2612-25-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-2-0x0000000000550000-0x0000000000590000-memory.dmp

Filesize
256KB

Download
memory/3068-7-0x0000000000550000-0x0000000000590000-memory.dmp

Filesize
256KB

Download
memory/3068-0-0x0000000000930000-0x00000000009DE000-memory.dmp

Filesize
696KB

Download
memory/3068-1-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-6-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-5-0x0000000005250000-0x00000000052D2000-memory.dmp

Filesize
520KB

Download
memory/3068-4-0x0000000000490000-0x000000000049C000-memory.dmp

Filesize
48KB

Download
memory/3068-23-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/3068-3-0x00000000004C0000-0x00000000004DA000-memory.dmp

Filesize
104KB

Download

Analysis

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