agenttesla | 804bbe01939efa8390005721104163523d0c3e04c2eab8176e07f96674140245

General

Target

bank account.exe
Size

780KB
MD5

a5640ac4a8b294df8ced6dfd0ca544f3
SHA1

94fc2bc720e88f5f1bcab268fd441c3f640d63c3
SHA256

c57c8d4d2e724683791c90f26d4499886ab0498688740b5433e1c4a36680564e
SHA512

c49a3f261ee1832bc41d887bf0b195ea707a4eb4fd15f46bd3ec55329169ae97d1953338e736532219b483b2954f76545544eb1e7fc632ea78c48b31bb012fbd

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:
[email protected]
Password:
truongtuyen2209

Signatures

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

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

Processes:

resource	yara_rule
behavioral2/memory/4000-133-0x0000000005680000-0x0000000005B7E000-memory.dmp	disable_win_def

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4000-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4000-127-0x000000000043768E-mapping.dmp	family_agenttesla
behavioral2/memory/4000-133-0x0000000005680000-0x0000000005B7E000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

bank account.exe

description ioc process

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

bank account.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\hgvQCmQ = "C:\\Users\\Admin\\AppData\\Roaming\\hgvQCmQ\\hgvQCmQ.exe"	bank account.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bank account.exe

description pid process target process

PID 3972 set thread context of 4000 3972 bank account.exe bank account.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

4004 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bank account.exe

pid process

4000 bank account.exe
4000 bank account.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bank account.exe

description pid process

Token: SeDebugPrivilege 4000 bank account.exe

description	pid	process	target process
PID 3972 set thread context of 4000	3972	bank account.exe	bank account.exe

pid	process
4004	schtasks.exe

pid	process
4000	bank account.exe
4000	bank account.exe

description	pid	process
Token: SeDebugPrivilege	4000	bank account.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

bank account.exe

description	pid	process	target process
PID 3972 wrote to memory of 4004	3972	bank account.exe	schtasks.exe
PID 3972 wrote to memory of 4004	3972	bank account.exe	schtasks.exe
PID 3972 wrote to memory of 4004	3972	bank account.exe	schtasks.exe
PID 3972 wrote to memory of 4000	3972	bank account.exe	bank account.exe
PID 3972 wrote to memory of 4000	3972	bank account.exe	bank account.exe
PID 3972 wrote to memory of 4000	3972	bank account.exe	bank account.exe
PID 3972 wrote to memory of 4000	3972	bank account.exe	bank account.exe
PID 3972 wrote to memory of 4000	3972	bank account.exe	bank account.exe
PID 3972 wrote to memory of 4000	3972	bank account.exe	bank account.exe
PID 3972 wrote to memory of 4000	3972	bank account.exe	bank account.exe
PID 3972 wrote to memory of 4000	3972	bank account.exe	bank account.exe

C:\Users\Admin\AppData\Local\Temp\bank account.exe
"C:\Users\Admin\AppData\Local\Temp\bank account.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3972

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IVNmTSJGrzid" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA108.tmp"
2⤵
- Creates scheduled task(s)
PID:4004

C:\Users\Admin\AppData\Local\Temp\bank account.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4000

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\Microsoft\CLR_v4.0_32\UsageLogs\bank account.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA108.tmp
MD5
98edd11150c6e1baf4103e52bc1ab008

SHA1
3e6b92d892253c2b954b48783fe81a7c76092f23

SHA256
b307d1e10279f111b747aa4a5bb80323bd7209a805c50018138968d406990c66

SHA512
f06feac345076793009e9e26a86d2f753eec82b518c1b3d6a846abee21f7735fc8309e271b4a886b2f3633925a9f866cc1c570c7da1b5426c0f429d360176351

Download Submit
memory/3972-123-0x0000000006E40000-0x0000000006E78000-memory.dmp

Filesize
224KB

Download
memory/3972-119-0x0000000005220000-0x0000000005221000-memory.dmp

Filesize
4KB

Download
memory/3972-118-0x00000000051D0000-0x00000000056CE000-memory.dmp

Filesize
5.0MB

Download
memory/3972-120-0x0000000005580000-0x0000000005582000-memory.dmp

Filesize
8KB

Download
memory/3972-121-0x0000000008890000-0x0000000008891000-memory.dmp

Filesize
4KB

Download
memory/3972-122-0x0000000006F00000-0x0000000006F7D000-memory.dmp

Filesize
500KB

Download
memory/3972-114-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/3972-116-0x00000000056D0000-0x00000000056D1000-memory.dmp

Filesize
4KB

Download
memory/3972-117-0x0000000005270000-0x0000000005271000-memory.dmp

Filesize
4KB

Download
memory/4000-127-0x000000000043768E-mapping.dmp

Download
memory/4000-126-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4000-133-0x0000000005680000-0x0000000005B7E000-memory.dmp

Filesize
5.0MB

Download
memory/4000-134-0x0000000005B50000-0x0000000005B51000-memory.dmp

Filesize
4KB

Download
memory/4000-135-0x00000000063E0000-0x00000000063E1000-memory.dmp

Filesize
4KB

Download
memory/4004-124-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads