agenttesla | ad6a160f9fad0fefa2f7ffdd0e8b5c43f62bf8983b14443b4c33115592297663

General

Target

000102068976421xls.exe
Size

501KB
MD5

aca5a35b863484a94a66cb52273dbb36
SHA1

ba44b9c77293e2a50efde7be10e67301ee674dd3
SHA256

ad6a160f9fad0fefa2f7ffdd0e8b5c43f62bf8983b14443b4c33115592297663
SHA512

246029966efbdd70680f1f7339424922c69bd3afe80016d5fc958cd2608ae916366597e6c3b16e586c41ae33ba44fb5de9a5669dd6ffd81cde4cd1df1f2467e8

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
fleischermar@yandex.com
Password:
$%$nWr+eH

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/1884-5-0x0000000000446E2E-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:

000102068976421xls.exe

description pid process target process

PID 272 set thread context of 1884 272 000102068976421xls.exe 000102068976421xls.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

1864 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

000102068976421xls.exe

pid process

1884 000102068976421xls.exe
1884 000102068976421xls.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

000102068976421xls.exe

description pid process

Token: SeDebugPrivilege 1884 000102068976421xls.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

000102068976421xls.exe

pid process

1884 000102068976421xls.exe

description	pid	process	target process
PID 272 set thread context of 1884	272	000102068976421xls.exe	000102068976421xls.exe

pid	process
1864	schtasks.exe

pid	process
1884	000102068976421xls.exe
1884	000102068976421xls.exe

description	pid	process
Token: SeDebugPrivilege	1884	000102068976421xls.exe

pid	process
1884	000102068976421xls.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

000102068976421xls.exe

description	pid	process	target process
PID 272 wrote to memory of 1864	272	000102068976421xls.exe	schtasks.exe
PID 272 wrote to memory of 1864	272	000102068976421xls.exe	schtasks.exe
PID 272 wrote to memory of 1864	272	000102068976421xls.exe	schtasks.exe
PID 272 wrote to memory of 1864	272	000102068976421xls.exe	schtasks.exe
PID 272 wrote to memory of 1884	272	000102068976421xls.exe	000102068976421xls.exe
PID 272 wrote to memory of 1884	272	000102068976421xls.exe	000102068976421xls.exe
PID 272 wrote to memory of 1884	272	000102068976421xls.exe	000102068976421xls.exe
PID 272 wrote to memory of 1884	272	000102068976421xls.exe	000102068976421xls.exe
PID 272 wrote to memory of 1884	272	000102068976421xls.exe	000102068976421xls.exe
PID 272 wrote to memory of 1884	272	000102068976421xls.exe	000102068976421xls.exe
PID 272 wrote to memory of 1884	272	000102068976421xls.exe	000102068976421xls.exe
PID 272 wrote to memory of 1884	272	000102068976421xls.exe	000102068976421xls.exe
PID 272 wrote to memory of 1884	272	000102068976421xls.exe	000102068976421xls.exe

C:\Users\Admin\AppData\Local\Temp\000102068976421xls.exe
"C:\Users\Admin\AppData\Local\Temp\000102068976421xls.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:272

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CsqbuWFxgfmaCg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D91.tmp"
2⤵
- Creates scheduled task(s)
PID:1864

C:\Users\Admin\AppData\Local\Temp\000102068976421xls.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\tmp6D91.tmp
MD5
822d84256aea92ca39c457e39e0e801c

SHA1
cc70a227c53a1ca0181333189788a25b70d3903b

SHA256
8636fdca09db2f7aa7ac1202ac572abf5c881fd612aa4d85b9f8f33f01c6177b

SHA512
28777635eb09c1be72aad304211ba504d24e2fe94141c52ed9be20dde04e19eab3beef09c2a46bfb8ad8e8cdfa6e5da6883c4031022f77c95853e67b04b354bb

Download Submit
memory/272-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1864-2-0x0000000000000000-mapping.dmp

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

Filesize
304KB

Download
memory/1884-5-0x0000000000446E2E-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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Downloads