agenttesla | b2e0edd97b3cb9ab596fab2109b93c46a389e1f9d637b7fe5099977966838771

General

Target

1.exe
Size

1.1MB
MD5

d197fc0d1bee7cec4228b1def196e658
SHA1

6e304c91443bed03ad05edfca4826b3b86a877d2
SHA256

b2e0edd97b3cb9ab596fab2109b93c46a389e1f9d637b7fe5099977966838771
SHA512

8bb0b4a55d61f0af9b881c3427d6bf9e7a187409137cce63d94f62511ac3d57322104fb8cf75ac1bc8881c0fcc7f287d0e0599ae6f0a94901f0af6f39080dcf4

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.libreriaunoes.com/
Port:
21
Username:
[email protected]
Password:
aIjgiT5m

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/272-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/272-69-0x000000000043775E-mapping.dmp	family_agenttesla
behavioral1/memory/272-70-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

1.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts 1.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\gqxRqe = "C:\\Users\\Admin\\AppData\\Roaming\\gqxRqe\\gqxRqe.exe"	1.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1.exe

description pid process target process

PID 1096 set thread context of 272 1096 1.exe 1.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

1512 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

1.exe1.exe

pid process

1096 1.exe
1096 1.exe
272 1.exe
272 1.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1.exe1.exe

description pid process

Token: SeDebugPrivilege 1096 1.exe
Token: SeDebugPrivilege 272 1.exe

description	pid	process	target process
PID 1096 set thread context of 272	1096	1.exe	1.exe

pid	process
1512	schtasks.exe

pid	process
1096	1.exe
1096	1.exe
272	1.exe
272	1.exe

description	pid	process
Token: SeDebugPrivilege	1096	1.exe
Token: SeDebugPrivilege	272	1.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

1.exe

description	pid	process	target process
PID 1096 wrote to memory of 1512	1096	1.exe	schtasks.exe
PID 1096 wrote to memory of 1512	1096	1.exe	schtasks.exe
PID 1096 wrote to memory of 1512	1096	1.exe	schtasks.exe
PID 1096 wrote to memory of 1512	1096	1.exe	schtasks.exe
PID 1096 wrote to memory of 272	1096	1.exe	1.exe
PID 1096 wrote to memory of 272	1096	1.exe	1.exe
PID 1096 wrote to memory of 272	1096	1.exe	1.exe
PID 1096 wrote to memory of 272	1096	1.exe	1.exe
PID 1096 wrote to memory of 272	1096	1.exe	1.exe
PID 1096 wrote to memory of 272	1096	1.exe	1.exe
PID 1096 wrote to memory of 272	1096	1.exe	1.exe
PID 1096 wrote to memory of 272	1096	1.exe	1.exe
PID 1096 wrote to memory of 272	1096	1.exe	1.exe

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zfAbPXIgBV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp889.tmp"
2⤵
- Creates scheduled task(s)
PID:1512

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.exe"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:272

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp889.tmp
MD5
780af5d6e999ee52a83555cefe94cb67

SHA1
f69ad5f060ce0f8898dda0b55d17fadee781135b

SHA256
5b7ba2bafd93d1a312e4823db9c0f9662cb27e2eb2c7de24ab9ed7870232bd23

SHA512
1ad5bbbc7161703f0df0fea863d21aa6294abe6d664e2bc7813a2d3a1b624819d7f47c5952bfd38e5ea40f9e01319e1153460d624d11f4ddb0c9fda061e53b31

Download Submit
memory/272-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/272-69-0x000000000043775E-mapping.dmp

Download
memory/272-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/272-72-0x0000000004B80000-0x0000000004B81000-memory.dmp

Filesize
4KB

Download
memory/1096-60-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/1096-62-0x0000000005060000-0x0000000005061000-memory.dmp

Filesize
4KB

Download
memory/1096-63-0x0000000000410000-0x0000000000419000-memory.dmp

Filesize
36KB

Download
memory/1096-64-0x0000000004960000-0x00000000049D6000-memory.dmp

Filesize
472KB

Download
memory/1096-65-0x00000000009C0000-0x00000000009FC000-memory.dmp

Filesize
240KB

Download
memory/1512-66-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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