agenttesla | e441fb72d808b10356c773a2229a64d26af0b7bf76bce3fc575e01d73eadf4b7

General

Target

RFQ..exe
Size

363KB
MD5

976be92376c72a2c0c4927d2f0a13651
SHA1

c6b4a69ebd63382be533a9e2e4dc7c51e5c852d1
SHA256

d7bd54e41dbe29893e23fef937a9579c238abaf34196fb8905c3313192ed2393
SHA512

eb8bfcb357648cebf8116b744b064dfa05de0c97f8d5a38d24150a21792ef5e7de3d24133af97346fb66b4f58be423d21e5e868a7de8eafe14f345be3de3fd42

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
jinghao20@jinghao.pw
Password:
Igboamaka1

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/280-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/280-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/280-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/280-67-0x000000000044CCDE-mapping.dmp	family_agenttesla
behavioral1/memory/280-70-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/280-72-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

RFQ..exe

pid process

280 RFQ..exe
Loads dropped DLL 1 IoCs

Processes:

RFQ..exe

pid process

780 RFQ..exe
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

pid	process
280	RFQ..exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RFQ..exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ..exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ..exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ..exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RFQ..exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowDefender = "\"C:\\Users\\Admin\\AppData\\Local\\WindowDefender.exe\""	RFQ..exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ..exe

description pid process target process

PID 780 set thread context of 280 780 RFQ..exe RFQ..exe

description	pid	process	target process
PID 780 set thread context of 280	780	RFQ..exe	RFQ..exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

RFQ..exeRFQ..exe

pid	process
780	RFQ..exe
780	RFQ..exe
780	RFQ..exe
780	RFQ..exe
780	RFQ..exe
780	RFQ..exe
780	RFQ..exe
780	RFQ..exe
780	RFQ..exe
780	RFQ..exe
780	RFQ..exe
780	RFQ..exe
780	RFQ..exe
280	RFQ..exe
280	RFQ..exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ..exeRFQ..exe

description pid process

Token: SeDebugPrivilege 780 RFQ..exe
Token: SeDebugPrivilege 280 RFQ..exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RFQ..exe

pid process

280 RFQ..exe

description	pid	process
Token: SeDebugPrivilege	780	RFQ..exe
Token: SeDebugPrivilege	280	RFQ..exe

pid	process
280	RFQ..exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

RFQ..exeRFQ..exe

description	pid	process	target process
PID 780 wrote to memory of 280	780	RFQ..exe	RFQ..exe
PID 780 wrote to memory of 280	780	RFQ..exe	RFQ..exe
PID 780 wrote to memory of 280	780	RFQ..exe	RFQ..exe
PID 780 wrote to memory of 280	780	RFQ..exe	RFQ..exe
PID 780 wrote to memory of 280	780	RFQ..exe	RFQ..exe
PID 780 wrote to memory of 280	780	RFQ..exe	RFQ..exe
PID 780 wrote to memory of 280	780	RFQ..exe	RFQ..exe
PID 780 wrote to memory of 280	780	RFQ..exe	RFQ..exe
PID 780 wrote to memory of 280	780	RFQ..exe	RFQ..exe
PID 280 wrote to memory of 1604	280	RFQ..exe	netsh.exe
PID 280 wrote to memory of 1604	280	RFQ..exe	netsh.exe
PID 280 wrote to memory of 1604	280	RFQ..exe	netsh.exe
PID 280 wrote to memory of 1604	280	RFQ..exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RFQ..exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ..exe

outlook_win_path 1 IoCs

Processes:

RFQ..exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ..exe

C:\Users\Admin\AppData\Local\Temp\RFQ..exe
"C:\Users\Admin\AppData\Local\Temp\RFQ..exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:780

C:\Users\Admin\AppData\Local\Temp\RFQ..exe
"C:\Users\Admin\AppData\Local\Temp\RFQ..exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:280

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1604

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

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\RFQ..exe
Filesize
363KB

MD5
976be92376c72a2c0c4927d2f0a13651

SHA1
c6b4a69ebd63382be533a9e2e4dc7c51e5c852d1

SHA256
d7bd54e41dbe29893e23fef937a9579c238abaf34196fb8905c3313192ed2393

SHA512
eb8bfcb357648cebf8116b744b064dfa05de0c97f8d5a38d24150a21792ef5e7de3d24133af97346fb66b4f58be423d21e5e868a7de8eafe14f345be3de3fd42

Download Submit
\Users\Admin\AppData\Local\Temp\RFQ..exe
Filesize
363KB

MD5
976be92376c72a2c0c4927d2f0a13651

SHA1
c6b4a69ebd63382be533a9e2e4dc7c51e5c852d1

SHA256
d7bd54e41dbe29893e23fef937a9579c238abaf34196fb8905c3313192ed2393

SHA512
eb8bfcb357648cebf8116b744b064dfa05de0c97f8d5a38d24150a21792ef5e7de3d24133af97346fb66b4f58be423d21e5e868a7de8eafe14f345be3de3fd42

Download Submit
memory/280-67-0x000000000044CCDE-mapping.dmp

Download
memory/280-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/280-72-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/280-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/280-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/280-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/280-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/280-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/780-56-0x0000000000560000-0x00000000005AA000-memory.dmp

Filesize
296KB

Download
memory/780-57-0x00000000003D0000-0x00000000003E6000-memory.dmp

Filesize
88KB

Download
memory/780-54-0x0000000000C90000-0x0000000000CF0000-memory.dmp

Filesize
384KB

Download
memory/780-55-0x0000000074E91000-0x0000000074E93000-memory.dmp

Filesize
8KB

Download
memory/780-59-0x0000000000790000-0x0000000000798000-memory.dmp

Filesize
32KB

Download
memory/780-58-0x0000000000490000-0x00000000004A6000-memory.dmp

Filesize
88KB

Download
memory/1604-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads