agenttesla | e72dc89990c2d78a89001f901515aa56c0c5da2c3d85fff3ca3ea2c1123b95c1

General

Target

FPDA.exe
Size

819KB
MD5

33e04f77535409fde4def28f58b2bb98
SHA1

0acc003299cf639dfadee2725826bac215f9acaa
SHA256

e72dc89990c2d78a89001f901515aa56c0c5da2c3d85fff3ca3ea2c1123b95c1
SHA512

9b41b5f6ce69374362fe360db071c293e1f4da34e822f99e782670401d8a515074f1f66d30fc74cfc55d381f9c4c6e79496d2652acb7cb2976443a54e8bee202

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.israelagroconsultant.com
Port:
587
Username:
[email protected]
Password:
israelagro@123

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1912-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1912-5-0x00000000004473EE-mapping.dmp	family_agenttesla
behavioral1/memory/1912-6-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1912-7-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

FPDA.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts FPDA.exe
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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	FPDA.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

FPDA.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\TkvuX = "C:\\Users\\Admin\\AppData\\Roaming\\TkvuX\\TkvuX.exe"	FPDA.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

FPDA.exe

description pid process target process

PID 1516 set thread context of 1912 1516 FPDA.exe FPDA.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

1848 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1396 REG.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

FPDA.exeFPDA.exe

pid process

1516 FPDA.exe
1912 FPDA.exe
1912 FPDA.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

FPDA.exeFPDA.exe

description pid process

Token: SeDebugPrivilege 1516 FPDA.exe
Token: SeDebugPrivilege 1912 FPDA.exe

description	pid	process	target process
PID 1516 set thread context of 1912	1516	FPDA.exe	FPDA.exe

pid	process
1848	schtasks.exe

pid	process
1396	REG.exe

pid	process
1516	FPDA.exe
1912	FPDA.exe
1912	FPDA.exe

description	pid	process
Token: SeDebugPrivilege	1516	FPDA.exe
Token: SeDebugPrivilege	1912	FPDA.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

FPDA.exeFPDA.exe

description	pid	process	target process
PID 1516 wrote to memory of 1848	1516	FPDA.exe	schtasks.exe
PID 1516 wrote to memory of 1848	1516	FPDA.exe	schtasks.exe
PID 1516 wrote to memory of 1848	1516	FPDA.exe	schtasks.exe
PID 1516 wrote to memory of 1848	1516	FPDA.exe	schtasks.exe
PID 1516 wrote to memory of 1896	1516	FPDA.exe	FPDA.exe
PID 1516 wrote to memory of 1896	1516	FPDA.exe	FPDA.exe
PID 1516 wrote to memory of 1896	1516	FPDA.exe	FPDA.exe
PID 1516 wrote to memory of 1896	1516	FPDA.exe	FPDA.exe
PID 1516 wrote to memory of 1912	1516	FPDA.exe	FPDA.exe
PID 1516 wrote to memory of 1912	1516	FPDA.exe	FPDA.exe
PID 1516 wrote to memory of 1912	1516	FPDA.exe	FPDA.exe
PID 1516 wrote to memory of 1912	1516	FPDA.exe	FPDA.exe
PID 1516 wrote to memory of 1912	1516	FPDA.exe	FPDA.exe
PID 1516 wrote to memory of 1912	1516	FPDA.exe	FPDA.exe
PID 1516 wrote to memory of 1912	1516	FPDA.exe	FPDA.exe
PID 1516 wrote to memory of 1912	1516	FPDA.exe	FPDA.exe
PID 1516 wrote to memory of 1912	1516	FPDA.exe	FPDA.exe
PID 1912 wrote to memory of 1396	1912	FPDA.exe	REG.exe
PID 1912 wrote to memory of 1396	1912	FPDA.exe	REG.exe
PID 1912 wrote to memory of 1396	1912	FPDA.exe	REG.exe
PID 1912 wrote to memory of 1396	1912	FPDA.exe	REG.exe

C:\Users\Admin\AppData\Local\Temp\FPDA.exe
"C:\Users\Admin\AppData\Local\Temp\FPDA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ORLRqFWlhcZuXm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA8AD.tmp"
2⤵
- Creates scheduled task(s)
PID:1848

C:\Users\Admin\AppData\Local\Temp\FPDA.exe
"{path}"
2⤵
PID:1896

C:\Users\Admin\AppData\Local\Temp\FPDA.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
3⤵
- Modifies registry key
PID:1396

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA8AD.tmp
MD5
7d5d4e1310a2d983f29200724d5b69ea

SHA1
35c5cc0d74160353aab1c30d7fa0b8d136849aeb

SHA256
b859c426387e0a7c4a3f6400750dd19cd9351cba120cace88fee00e598d4b7ae

SHA512
9a04f6d2d411dd631a64a3c2645726cf418ae942cfc8c2f16c7a42da72a5c1e38963d66a0820f768e58253c6a753e5389afcc3cce2858454d4e8385d650439cc

Download Submit
memory/1396-8-0x0000000000000000-mapping.dmp

Download
memory/1516-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1848-2-0x0000000000000000-mapping.dmp

Download
memory/1912-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1912-5-0x00000000004473EE-mapping.dmp

Download
memory/1912-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1912-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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