agenttesla | 6661acf762423f3241fa87250e9e8e82b270ed2c8ee891f5ca64e62c0140e6b8

General

Target

payment infirmation.exe
Size

1.3MB
MD5

320eb3a29a367a0d6935df771ce086d7
SHA1

14ca1d8dbf23998b2a63be591208c147caac8e6a
SHA256

6661acf762423f3241fa87250e9e8e82b270ed2c8ee891f5ca64e62c0140e6b8
SHA512

b7ac766aad4c101e1ce2868f13c62252910daa63926fb2b7937d4e80aee920e4ca1a1f3cc58a255760368ef9ff124c8ee9665ea01596a56897241664135c0389

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.jkudyog.com
Port:
587
Username:
ashutosh@jkudyog.com
Password:
%$#@lkjhgfdsa

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/936-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/936-16-0x000000000043782E-mapping.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-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\bqhrQ = "C:\\Users\\Admin\\AppData\\Roaming\\bqhrQ\\bqhrQ.exe"	RegSvcs.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

12 api.ipify.org
13 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

payment infirmation.exe

description pid process target process

PID 4808 set thread context of 936 4808 payment infirmation.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

596 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

payment infirmation.exeRegSvcs.exe

pid process

4808 payment infirmation.exe
936 RegSvcs.exe
936 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

payment infirmation.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4808 payment infirmation.exe
Token: SeDebugPrivilege 936 RegSvcs.exe

flow	ioc
12	api.ipify.org
13	api.ipify.org

description	pid	process	target process
PID 4808 set thread context of 936	4808	payment infirmation.exe	RegSvcs.exe

pid	process
596	schtasks.exe

pid	process
4808	payment infirmation.exe
936	RegSvcs.exe
936	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4808	payment infirmation.exe
Token: SeDebugPrivilege	936	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

payment infirmation.exe

description	pid	process	target process
PID 4808 wrote to memory of 596	4808	payment infirmation.exe	schtasks.exe
PID 4808 wrote to memory of 596	4808	payment infirmation.exe	schtasks.exe
PID 4808 wrote to memory of 596	4808	payment infirmation.exe	schtasks.exe
PID 4808 wrote to memory of 936	4808	payment infirmation.exe	RegSvcs.exe
PID 4808 wrote to memory of 936	4808	payment infirmation.exe	RegSvcs.exe
PID 4808 wrote to memory of 936	4808	payment infirmation.exe	RegSvcs.exe
PID 4808 wrote to memory of 936	4808	payment infirmation.exe	RegSvcs.exe
PID 4808 wrote to memory of 936	4808	payment infirmation.exe	RegSvcs.exe
PID 4808 wrote to memory of 936	4808	payment infirmation.exe	RegSvcs.exe
PID 4808 wrote to memory of 936	4808	payment infirmation.exe	RegSvcs.exe
PID 4808 wrote to memory of 936	4808	payment infirmation.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\payment infirmation.exe
"C:\Users\Admin\AppData\Local\Temp\payment infirmation.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4808

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DHTWeFmhTcIfK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4F3A.tmp"
2⤵
- Creates scheduled task(s)
PID:596

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:936

Network

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4F3A.tmp
MD5
4d7559fff3a8660288fcfc134629eea2

SHA1
4ff40507af55045fe9197065a40fc53e1aef097c

SHA256
12d2c42eaa1ba3acd4189c98bf6fb268eb6b25e2cf24da9596adbcb81b1bd70c

SHA512
3e4dc2c2ce75d1d715f6fca577df48f59344e9eb08ed17ce1751d9d7771b3d4b0dc2d07bcf31ca6ad6c6f3a03f3131da1033042e4aa00d14dbd743ec50a479d6

Download Submit
memory/596-13-0x0000000000000000-mapping.dmp

Download
memory/936-24-0x0000000005A00000-0x0000000005A01000-memory.dmp

Filesize
4KB

Download
memory/936-23-0x0000000005520000-0x0000000005521000-memory.dmp

Filesize
4KB

Download
memory/936-22-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/936-17-0x00000000739D0000-0x00000000740BE000-memory.dmp

Filesize
6.9MB

Download
memory/936-16-0x000000000043782E-mapping.dmp

Download
memory/936-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4808-7-0x0000000005420000-0x0000000005421000-memory.dmp

Filesize
4KB

Download
memory/4808-12-0x00000000060F0000-0x0000000006160000-memory.dmp

Filesize
448KB

Download
memory/4808-11-0x00000000056A0000-0x00000000056A1000-memory.dmp

Filesize
4KB

Download
memory/4808-10-0x00000000053E0000-0x0000000005403000-memory.dmp

Filesize
140KB

Download
memory/4808-9-0x0000000005380000-0x0000000005381000-memory.dmp

Filesize
4KB

Download
memory/4808-8-0x0000000005220000-0x0000000005221000-memory.dmp

Filesize
4KB

Download
memory/4808-2-0x00000000739D0000-0x00000000740BE000-memory.dmp

Filesize
6.9MB

Download
memory/4808-6-0x0000000005880000-0x0000000005881000-memory.dmp

Filesize
4KB

Download
memory/4808-5-0x0000000005250000-0x0000000005251000-memory.dmp

Filesize
4KB

Download
memory/4808-3-0x00000000008D0000-0x00000000008D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads