agenttesla | e024da5585bb4c5b9e633675cf6a9bb596152bc4650ddeccfe6b9b4a763f5d3f

General

Target

unl.exe
Size

418KB
MD5

15ba350c9a703c5e822add0d18ab0600
SHA1

1e1bf5d0dbb77a0f74d397949bce454f34fc9670
SHA256

e024da5585bb4c5b9e633675cf6a9bb596152bc4650ddeccfe6b9b4a763f5d3f
SHA512

beace9529e572b1b238107b8e57020ee81e0018788e467c326236697bb34022a29959e162479aea064861768986b691ad1417c25950678926b1377ea5b4cbd08

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.totallyanonymous.com
Port:
587
Username:
[email protected]
Password:
pop12345674fr@

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1884-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1884-5-0x0000000000446C0E-mapping.dmp	family_agenttesla
behavioral1/memory/1884-6-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1884-7-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

unl.exe

description pid process target process

PID 1152 set thread context of 1884 1152 unl.exe unl.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

1820 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

unl.exeunl.exe

pid process

1152 unl.exe
1884 unl.exe
1884 unl.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

unl.exeunl.exe

description pid process

Token: SeDebugPrivilege 1152 unl.exe
Token: SeDebugPrivilege 1884 unl.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

unl.exe

pid process

1884 unl.exe

description	pid	process	target process
PID 1152 set thread context of 1884	1152	unl.exe	unl.exe

pid	process
1820	schtasks.exe

pid	process
1152	unl.exe
1884	unl.exe
1884	unl.exe

description	pid	process
Token: SeDebugPrivilege	1152	unl.exe
Token: SeDebugPrivilege	1884	unl.exe

pid	process
1884	unl.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

unl.exe

description	pid	process	target process
PID 1152 wrote to memory of 1820	1152	unl.exe	schtasks.exe
PID 1152 wrote to memory of 1820	1152	unl.exe	schtasks.exe
PID 1152 wrote to memory of 1820	1152	unl.exe	schtasks.exe
PID 1152 wrote to memory of 1820	1152	unl.exe	schtasks.exe
PID 1152 wrote to memory of 1884	1152	unl.exe	unl.exe
PID 1152 wrote to memory of 1884	1152	unl.exe	unl.exe
PID 1152 wrote to memory of 1884	1152	unl.exe	unl.exe
PID 1152 wrote to memory of 1884	1152	unl.exe	unl.exe
PID 1152 wrote to memory of 1884	1152	unl.exe	unl.exe
PID 1152 wrote to memory of 1884	1152	unl.exe	unl.exe
PID 1152 wrote to memory of 1884	1152	unl.exe	unl.exe
PID 1152 wrote to memory of 1884	1152	unl.exe	unl.exe
PID 1152 wrote to memory of 1884	1152	unl.exe	unl.exe

C:\Users\Admin\AppData\Local\Temp\unl.exe
"C:\Users\Admin\AppData\Local\Temp\unl.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1152

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CKDrTaW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8507.tmp"
2⤵
- Creates scheduled task(s)
PID:1820

C:\Users\Admin\AppData\Local\Temp\unl.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1884

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

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\tmp8507.tmp
MD5
2af94a0dfb6a09b0fe1768363cbad1fe

SHA1
d340beed650149af61461d3da38eb695d8e077a0

SHA256
d56e40b6c7d2575d898c70643d4010a555cc844886c560f5c52feac5dfc6158d

SHA512
e6b129da5e495b2d0514a2f80af27a1525d4c0bef7c90a1902e2a518297b2681c6c45dcf5527e0e667612b4dbd63d7d6b55b70d06514c94326e2db77bf5c891f

Download Submit
memory/1152-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1820-2-0x0000000000000000-mapping.dmp

Download
memory/1884-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1884-5-0x0000000000446C0E-mapping.dmp

Download
memory/1884-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1884-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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