agenttesla | fc22aaa35e5504461dd5ace02d041f7715bc25acf329d2070e02e854b54d4de0

General

Target

TT COPY.exe
Size

988KB
MD5

197e571bfcf3f22816e245fef4f86b4f
SHA1

60df9b31aeb301c4c480da58f75be14d775cb604
SHA256

fc22aaa35e5504461dd5ace02d041f7715bc25acf329d2070e02e854b54d4de0
SHA512

f7bc869cae343ee6dc5230d54eb6e775490733df911e36e3427dda88b75d240131ff8c1bd0e23d6f93c28e4691566cc90a2c092111f9d38b241365d3f483558a

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
paola.micheli@copangroup.xyz
Password:
gibson.1990

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/2044-66-0x000000000043760E-mapping.dmp	family_agenttesla
behavioral1/memory/2044-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2044-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

TT COPY.exe

description ioc process

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

TT COPY.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

TT COPY.exe

description pid process target process

PID 1304 set thread context of 2044 1304 TT COPY.exe TT COPY.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

TT COPY.exe

pid process

2044 TT COPY.exe
2044 TT COPY.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

TT COPY.exe

description pid process

Token: SeDebugPrivilege 2044 TT COPY.exe

description	pid	process	target process
PID 1304 set thread context of 2044	1304	TT COPY.exe	TT COPY.exe

pid	process
2044	TT COPY.exe
2044	TT COPY.exe

description	pid	process
Token: SeDebugPrivilege	2044	TT COPY.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

TT COPY.exe

description	pid	process	target process
PID 1304 wrote to memory of 2044	1304	TT COPY.exe	TT COPY.exe
PID 1304 wrote to memory of 2044	1304	TT COPY.exe	TT COPY.exe
PID 1304 wrote to memory of 2044	1304	TT COPY.exe	TT COPY.exe
PID 1304 wrote to memory of 2044	1304	TT COPY.exe	TT COPY.exe
PID 1304 wrote to memory of 2044	1304	TT COPY.exe	TT COPY.exe
PID 1304 wrote to memory of 2044	1304	TT COPY.exe	TT COPY.exe
PID 1304 wrote to memory of 2044	1304	TT COPY.exe	TT COPY.exe
PID 1304 wrote to memory of 2044	1304	TT COPY.exe	TT COPY.exe
PID 1304 wrote to memory of 2044	1304	TT COPY.exe	TT COPY.exe

C:\Users\Admin\AppData\Local\Temp\TT COPY.exe
"C:\Users\Admin\AppData\Local\Temp\TT COPY.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1304

C:\Users\Admin\AppData\Local\Temp\TT COPY.exe
"C:\Users\Admin\AppData\Local\Temp\TT COPY.exe"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2044

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/1304-60-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

Filesize
4KB

Download
memory/1304-62-0x0000000000A30000-0x0000000000A98000-memory.dmp

Filesize
416KB

Download
memory/1304-63-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

Filesize
4KB

Download
memory/1304-64-0x00000000003A0000-0x00000000003AF000-memory.dmp

Filesize
60KB

Download
memory/2044-66-0x000000000043760E-mapping.dmp

Download
memory/2044-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2044-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2044-69-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

Filesize
4KB

Download
memory/2044-70-0x0000000004BB1000-0x0000000004BB2000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads