agenttesla | 0c35e3200878064e8d41c8ad94b6984506eff466750222f8ce5e2ea961fd7d05

General

Target

UsU2f18QuIdAe2U.exe
Size

1.4MB
MD5

ec5b95ff00f782aaca3f2df7ecb98a0e
SHA1

0ce21c4a6fcf0d00db592c2cf14313530148040b
SHA256

0c35e3200878064e8d41c8ad94b6984506eff466750222f8ce5e2ea961fd7d05
SHA512

3057268e93f509701e7f6f7b647869eca5831bd15e214ba5f22eab579ccebea69ffefe0306f87f70b953b6e3eaedc5f4cf57fffa3a0a9587ce5819bdd7bcc791

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cefortem.cat
Port:
587
Username:
presidencia@cefortem.cat
Password:
Vft284Rpyn

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1604-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1604-10-0x00000000004374DE-mapping.dmp	family_agenttesla
behavioral1/memory/1604-12-0x0000000000400000-0x000000000043C000-memory.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
Suspicious use of SetThreadContext 1 IoCs

Processes:

UsU2f18QuIdAe2U.exe

description pid process target process

PID 744 set thread context of 1604 744 UsU2f18QuIdAe2U.exe UsU2f18QuIdAe2U.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

UsU2f18QuIdAe2U.exeUsU2f18QuIdAe2U.exe

pid process

744 UsU2f18QuIdAe2U.exe
744 UsU2f18QuIdAe2U.exe
744 UsU2f18QuIdAe2U.exe
744 UsU2f18QuIdAe2U.exe
1604 UsU2f18QuIdAe2U.exe
1604 UsU2f18QuIdAe2U.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

UsU2f18QuIdAe2U.exeUsU2f18QuIdAe2U.exe

description pid process

Token: SeDebugPrivilege 744 UsU2f18QuIdAe2U.exe
Token: SeDebugPrivilege 1604 UsU2f18QuIdAe2U.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

UsU2f18QuIdAe2U.exe

pid process

1604 UsU2f18QuIdAe2U.exe

description	pid	process	target process
PID 744 set thread context of 1604	744	UsU2f18QuIdAe2U.exe	UsU2f18QuIdAe2U.exe

pid	process
744	UsU2f18QuIdAe2U.exe
744	UsU2f18QuIdAe2U.exe
744	UsU2f18QuIdAe2U.exe
744	UsU2f18QuIdAe2U.exe
1604	UsU2f18QuIdAe2U.exe
1604	UsU2f18QuIdAe2U.exe

description	pid	process
Token: SeDebugPrivilege	744	UsU2f18QuIdAe2U.exe
Token: SeDebugPrivilege	1604	UsU2f18QuIdAe2U.exe

pid	process
1604	UsU2f18QuIdAe2U.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

UsU2f18QuIdAe2U.exe

description	pid	process	target process
PID 744 wrote to memory of 1604	744	UsU2f18QuIdAe2U.exe	UsU2f18QuIdAe2U.exe
PID 744 wrote to memory of 1604	744	UsU2f18QuIdAe2U.exe	UsU2f18QuIdAe2U.exe
PID 744 wrote to memory of 1604	744	UsU2f18QuIdAe2U.exe	UsU2f18QuIdAe2U.exe
PID 744 wrote to memory of 1604	744	UsU2f18QuIdAe2U.exe	UsU2f18QuIdAe2U.exe
PID 744 wrote to memory of 1604	744	UsU2f18QuIdAe2U.exe	UsU2f18QuIdAe2U.exe
PID 744 wrote to memory of 1604	744	UsU2f18QuIdAe2U.exe	UsU2f18QuIdAe2U.exe
PID 744 wrote to memory of 1604	744	UsU2f18QuIdAe2U.exe	UsU2f18QuIdAe2U.exe
PID 744 wrote to memory of 1604	744	UsU2f18QuIdAe2U.exe	UsU2f18QuIdAe2U.exe
PID 744 wrote to memory of 1604	744	UsU2f18QuIdAe2U.exe	UsU2f18QuIdAe2U.exe

C:\Users\Admin\AppData\Local\Temp\UsU2f18QuIdAe2U.exe
"C:\Users\Admin\AppData\Local\Temp\UsU2f18QuIdAe2U.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:744

C:\Users\Admin\AppData\Local\Temp\UsU2f18QuIdAe2U.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1604

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

memory/744-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/744-3-0x0000000001300000-0x0000000001301000-memory.dmp

Filesize
4KB

Download
memory/744-5-0x0000000000AA0000-0x0000000000B21000-memory.dmp

Filesize
516KB

Download
memory/744-6-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/744-7-0x00000000003F0000-0x00000000003FE000-memory.dmp

Filesize
56KB

Download
memory/744-8-0x00000000053D0000-0x0000000005425000-memory.dmp

Filesize
340KB

Download
memory/1604-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1604-10-0x00000000004374DE-mapping.dmp

Download
memory/1604-11-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/1604-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1604-14-0x0000000000C40000-0x0000000000C41000-memory.dmp

Filesize
4KB

Download
memory/1604-15-0x0000000000C41000-0x0000000000C42000-memory.dmp

Filesize
4KB

Download

Analysis

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