agenttesla | f367ab08d8884ebda2ca7101fa509d1216f66c9e788d1b729ce605959f2f57ca

General

Target

fda.exe
Size

909KB
MD5

9988685bdb69c34939c270df2eff6d47
SHA1

b4aa67fe963f14a8ac6220d8953960a86d7bcdd1
SHA256

f367ab08d8884ebda2ca7101fa509d1216f66c9e788d1b729ce605959f2f57ca
SHA512

c535fec6cffebc266858e46d6ef8b6405a2ac9e50d946d40faf64131eb866611d32b1d9906c70923f075d00e2e88c74afb284d198277c4ef0abaaa24ff9ded7b

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.vivaldi.net
Port:
587
Username:
faithkingsley@vivaldi.net
Password:
kingsofkings123

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/536-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/536-69-0x000000000043782E-mapping.dmp	family_agenttesla
behavioral1/memory/536-70-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

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

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\DLxES = "C:\\Users\\Admin\\AppData\\Roaming\\DLxES\\DLxES.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

fda.exe

description pid process target process

PID 1700 set thread context of 536 1700 fda.exe RegSvcs.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

520 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

fda.exeRegSvcs.exe

pid process

1700 fda.exe
536 RegSvcs.exe
536 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

fda.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1700 fda.exe
Token: SeDebugPrivilege 536 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

536 RegSvcs.exe

description	pid	process	target process
PID 1700 set thread context of 536	1700	fda.exe	RegSvcs.exe

pid	process
520	schtasks.exe

pid	process
1700	fda.exe
536	RegSvcs.exe
536	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1700	fda.exe
Token: SeDebugPrivilege	536	RegSvcs.exe

pid	process
536	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

fda.exe

description	pid	process	target process
PID 1700 wrote to memory of 520	1700	fda.exe	schtasks.exe
PID 1700 wrote to memory of 520	1700	fda.exe	schtasks.exe
PID 1700 wrote to memory of 520	1700	fda.exe	schtasks.exe
PID 1700 wrote to memory of 520	1700	fda.exe	schtasks.exe
PID 1700 wrote to memory of 536	1700	fda.exe	RegSvcs.exe
PID 1700 wrote to memory of 536	1700	fda.exe	RegSvcs.exe
PID 1700 wrote to memory of 536	1700	fda.exe	RegSvcs.exe
PID 1700 wrote to memory of 536	1700	fda.exe	RegSvcs.exe
PID 1700 wrote to memory of 536	1700	fda.exe	RegSvcs.exe
PID 1700 wrote to memory of 536	1700	fda.exe	RegSvcs.exe
PID 1700 wrote to memory of 536	1700	fda.exe	RegSvcs.exe
PID 1700 wrote to memory of 536	1700	fda.exe	RegSvcs.exe
PID 1700 wrote to memory of 536	1700	fda.exe	RegSvcs.exe
PID 1700 wrote to memory of 536	1700	fda.exe	RegSvcs.exe
PID 1700 wrote to memory of 536	1700	fda.exe	RegSvcs.exe
PID 1700 wrote to memory of 536	1700	fda.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\fda.exe
"C:\Users\Admin\AppData\Local\Temp\fda.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XwsFwyhNyFwyE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp25E8.tmp"
2⤵
- Creates scheduled task(s)
PID:520

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:536

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

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp25E8.tmp
MD5
bd4ca3137e20138ddcdd9f2ca387dd3c

SHA1
69f8890dc89feb32acbef91132296fc9b05bce10

SHA256
73ebef6833c8fda17800abd07119f13004c71f9ed9c4000a420ad0beb98cae12

SHA512
a529ffd467c55d73a9559436e6724f929775097ed7fa0060d7364580c6ccccb573fa92b0c0c888acf8f631205904cd38e2d6abae03ffb4dff2c8f158bafce3bc

Download Submit
memory/520-66-0x0000000000000000-mapping.dmp

Download
memory/536-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/536-69-0x000000000043782E-mapping.dmp

Download
memory/536-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/536-72-0x00000000047A0000-0x00000000047A1000-memory.dmp

Filesize
4KB

Download
memory/536-73-0x00000000047A1000-0x00000000047A2000-memory.dmp

Filesize
4KB

Download
memory/1700-60-0x0000000000E30000-0x0000000000E31000-memory.dmp

Filesize
4KB

Download
memory/1700-62-0x0000000004B00000-0x0000000004B01000-memory.dmp

Filesize
4KB

Download
memory/1700-63-0x00000000008C0000-0x00000000008C2000-memory.dmp

Filesize
8KB

Download
memory/1700-64-0x0000000005160000-0x0000000005216000-memory.dmp

Filesize
728KB

Download
memory/1700-65-0x0000000005260000-0x00000000052D2000-memory.dmp

Filesize
456KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads