agenttesla | 4bae6c537c27eb6acbf3a7e1607c72ff4485b44cc62f17283668ec849d1cc740

General

Target

SOA.exe
Size

804KB
MD5

60183d985a20da08edde84ad283fdb57
SHA1

fa905171e489e10068ba2853fcf8c83865019283
SHA256

0663ffc968c7a2870e7c3234b4c2c2c5bae705a12a1f84ff4527af8d8b9466e5
SHA512

074645a61274efa80eb6451abd37628fef9d15ff889cdc6fb6da74baf2514160e8d0f049c4927fa3890baaa031f945dbdd03604535d4cb26374f38c6db406cff

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
Mail.jingtai.com.vn
Port:
587
Username:
markhung@jingtai.com.vn
Password:
truongtuyen2209

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/528-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/528-69-0x000000000043768E-mapping.dmp	family_agenttesla
behavioral1/memory/528-70-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

SOA.exe

description ioc process

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

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

SOA.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

SOA.exe

description pid process target process

PID 1688 set thread context of 528 1688 SOA.exe SOA.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

1628 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

SOA.exeSOA.exe

pid process

1688 SOA.exe
1688 SOA.exe
528 SOA.exe
528 SOA.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SOA.exeSOA.exe

description pid process

Token: SeDebugPrivilege 1688 SOA.exe
Token: SeDebugPrivilege 528 SOA.exe

description	pid	process	target process
PID 1688 set thread context of 528	1688	SOA.exe	SOA.exe

pid	process
1628	schtasks.exe

pid	process
1688	SOA.exe
1688	SOA.exe
528	SOA.exe
528	SOA.exe

description	pid	process
Token: SeDebugPrivilege	1688	SOA.exe
Token: SeDebugPrivilege	528	SOA.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

SOA.exe

description	pid	process	target process
PID 1688 wrote to memory of 1628	1688	SOA.exe	schtasks.exe
PID 1688 wrote to memory of 1628	1688	SOA.exe	schtasks.exe
PID 1688 wrote to memory of 1628	1688	SOA.exe	schtasks.exe
PID 1688 wrote to memory of 1628	1688	SOA.exe	schtasks.exe
PID 1688 wrote to memory of 1120	1688	SOA.exe	SOA.exe
PID 1688 wrote to memory of 1120	1688	SOA.exe	SOA.exe
PID 1688 wrote to memory of 1120	1688	SOA.exe	SOA.exe
PID 1688 wrote to memory of 1120	1688	SOA.exe	SOA.exe
PID 1688 wrote to memory of 528	1688	SOA.exe	SOA.exe
PID 1688 wrote to memory of 528	1688	SOA.exe	SOA.exe
PID 1688 wrote to memory of 528	1688	SOA.exe	SOA.exe
PID 1688 wrote to memory of 528	1688	SOA.exe	SOA.exe
PID 1688 wrote to memory of 528	1688	SOA.exe	SOA.exe
PID 1688 wrote to memory of 528	1688	SOA.exe	SOA.exe
PID 1688 wrote to memory of 528	1688	SOA.exe	SOA.exe
PID 1688 wrote to memory of 528	1688	SOA.exe	SOA.exe
PID 1688 wrote to memory of 528	1688	SOA.exe	SOA.exe

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"C:\Users\Admin\AppData\Local\Temp\SOA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kzsOkRNINsZo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9F99.tmp"
2⤵
- Creates scheduled task(s)
PID:1628

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"{path}"
2⤵
PID:1120

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:528

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

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\tmp9F99.tmp
MD5
bdc18d0a348fe520d402e307e596dbba

SHA1
da94ef520c4a4c7794c1e48467116c7c203eea5a

SHA256
5a9df1dbb484dbc1fcd41758d6dd15b29788dac5b70f359e766db40e30106c22

SHA512
a311688e61c8569d4042528a30913c973cd4bc2ed74e7e2ffc3e3d60c65802cb96a2f006daf6f56ff2930eb431b25a10a554412d707719a15986200a8de1a82e

Download Submit
memory/528-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/528-69-0x000000000043768E-mapping.dmp

Download
memory/528-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/528-72-0x00000000048B0000-0x00000000048B1000-memory.dmp

Filesize
4KB

Download
memory/528-73-0x00000000048B1000-0x00000000048B2000-memory.dmp

Filesize
4KB

Download
memory/1628-66-0x0000000000000000-mapping.dmp

Download
memory/1688-60-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/1688-62-0x0000000004E20000-0x0000000004E21000-memory.dmp

Filesize
4KB

Download
memory/1688-63-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/1688-64-0x0000000008070000-0x00000000080F3000-memory.dmp

Filesize
524KB

Download
memory/1688-65-0x00000000047B0000-0x00000000047ED000-memory.dmp

Filesize
244KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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