agenttesla | 2684031accd6c43abe67d62f1901374970f18999c51c7fd19d0d047ea7232fb8

General

Target

RFQ140820.exe
Size

411KB
MD5

09013774aa4a7b0a4394f394a0f2fb42
SHA1

9cd0e4e63f41ffedb73cb26b73dea0ea661fd216
SHA256

6011714f77a9cfdf682b04df3490a0ca227d9a64074946304b8ccd0c83e6264e
SHA512

f5676ee01bc1aeaf3877202dddcbbfe68921ef2363f4b70f907b05ba3921e519c50f0cb780ae52245894079b49b134f42c2352c2170a3c1f31842e9da7451d56

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
jaffinmark@yandex.ru
Password:
@jaffinmarknma@344

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/940-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/940-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/940-64-0x00000000004460AE-mapping.dmp	family_agenttesla
behavioral1/memory/940-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/940-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/940-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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
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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RFQ140820.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ140820.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ140820.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ140820.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ140820.exe

description pid process target process

PID 1948 set thread context of 940 1948 RFQ140820.exe RFQ140820.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1292 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

RFQ140820.exeRFQ140820.exe

pid process

1948 RFQ140820.exe
1948 RFQ140820.exe
940 RFQ140820.exe
940 RFQ140820.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ140820.exeRFQ140820.exe

description pid process

Token: SeDebugPrivilege 1948 RFQ140820.exe
Token: SeDebugPrivilege 940 RFQ140820.exe

description	pid	process	target process
PID 1948 set thread context of 940	1948	RFQ140820.exe	RFQ140820.exe

pid	process
1292	schtasks.exe

pid	process
1948	RFQ140820.exe
1948	RFQ140820.exe
940	RFQ140820.exe
940	RFQ140820.exe

description	pid	process
Token: SeDebugPrivilege	1948	RFQ140820.exe
Token: SeDebugPrivilege	940	RFQ140820.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

RFQ140820.exe

description	pid	process	target process
PID 1948 wrote to memory of 1292	1948	RFQ140820.exe	schtasks.exe
PID 1948 wrote to memory of 1292	1948	RFQ140820.exe	schtasks.exe
PID 1948 wrote to memory of 1292	1948	RFQ140820.exe	schtasks.exe
PID 1948 wrote to memory of 1292	1948	RFQ140820.exe	schtasks.exe
PID 1948 wrote to memory of 940	1948	RFQ140820.exe	RFQ140820.exe
PID 1948 wrote to memory of 940	1948	RFQ140820.exe	RFQ140820.exe
PID 1948 wrote to memory of 940	1948	RFQ140820.exe	RFQ140820.exe
PID 1948 wrote to memory of 940	1948	RFQ140820.exe	RFQ140820.exe
PID 1948 wrote to memory of 940	1948	RFQ140820.exe	RFQ140820.exe
PID 1948 wrote to memory of 940	1948	RFQ140820.exe	RFQ140820.exe
PID 1948 wrote to memory of 940	1948	RFQ140820.exe	RFQ140820.exe
PID 1948 wrote to memory of 940	1948	RFQ140820.exe	RFQ140820.exe
PID 1948 wrote to memory of 940	1948	RFQ140820.exe	RFQ140820.exe

outlook_office_path 1 IoCs

Processes:

RFQ140820.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ140820.exe

outlook_win_path 1 IoCs

Processes:

RFQ140820.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ140820.exe

C:\Users\Admin\AppData\Local\Temp\RFQ140820.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ140820.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FgmRXoYPTeS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E72.tmp"
2⤵
- Creates scheduled task(s)
PID:1292

C:\Users\Admin\AppData\Local\Temp\RFQ140820.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:940

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9E72.tmp
Filesize
1KB

MD5
eab5c614b9eccf647b48b2f0561304fa

SHA1
7f3c30bd861dfe62a65c28ab91c7e76c6a0e6919

SHA256
c67863aee44fab7a7da809bb3acf0bd2eb1fcfa938dddec48ca34c2e277e5fcd

SHA512
cd42c65c7e0fb1a8a39930f8cadaeb2ee2a6cbb2d3ebbfdbf1bebf898253b78b86b17072b0609d1be55bf5acf2a0fec4a8309cc086387b242b993b70e0886861

Download Submit
memory/940-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/940-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/940-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/940-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/940-64-0x00000000004460AE-mapping.dmp

Download
memory/940-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/940-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/940-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/940-70-0x0000000074810000-0x0000000074DBB000-memory.dmp

Filesize
5.7MB

Download
memory/1292-56-0x0000000000000000-mapping.dmp

Download
memory/1948-55-0x0000000074880000-0x0000000074E2B000-memory.dmp

Filesize
5.7MB

Download
memory/1948-54-0x00000000754A1000-0x00000000754A3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads