agenttesla | e71c20790ae9e91a10b1a7a9ec20654402d11c3f8f24a9ee48385da961baa79f

General

Target

JSW_NEW_.exe
Size

668KB
MD5

de22b1990fa4f5205caae6bd67a0cf84
SHA1

44c8909d92f225b28ec9c518eff7b33b88f51081
SHA256

04a9ddb426b6bc9febd1f0fdf436cde01976a37b8c99fbbabbd0076ac4a0be92
SHA512

7b41bf85a67b1ca989f9551a7ba162b22579c9decb7acf3a86cf801448148da5bb4a195edb33e4f6e0ae2be8b85d98c9305f90eceab1ab64b2d34f89a7807c06

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.orientalkuwait.com
Port:
587
Username:
[email protected]
Password:
Operatingmanager1&

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1956-64-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1956-65-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1956-66-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1956-67-0x000000000046115E-mapping.dmp	family_agenttesla
behavioral1/memory/1956-69-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/1956-71-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

JSW_NEW_.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JSW_NEW_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JSW_NEW_.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JSW_NEW_.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

JSW_NEW_.exe

description pid process target process

PID 1496 set thread context of 1956 1496 JSW_NEW_.exe JSW_NEW_.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

1400 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

JSW_NEW_.exe

pid process

1956 JSW_NEW_.exe
1956 JSW_NEW_.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

JSW_NEW_.exe

description pid process

Token: SeDebugPrivilege 1956 JSW_NEW_.exe

description	pid	process	target process
PID 1496 set thread context of 1956	1496	JSW_NEW_.exe	JSW_NEW_.exe

pid	process
1400	schtasks.exe

pid	process
1956	JSW_NEW_.exe
1956	JSW_NEW_.exe

description	pid	process
Token: SeDebugPrivilege	1956	JSW_NEW_.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

JSW_NEW_.exe

description	pid	process	target process
PID 1496 wrote to memory of 1400	1496	JSW_NEW_.exe	schtasks.exe
PID 1496 wrote to memory of 1400	1496	JSW_NEW_.exe	schtasks.exe
PID 1496 wrote to memory of 1400	1496	JSW_NEW_.exe	schtasks.exe
PID 1496 wrote to memory of 1400	1496	JSW_NEW_.exe	schtasks.exe
PID 1496 wrote to memory of 1956	1496	JSW_NEW_.exe	JSW_NEW_.exe
PID 1496 wrote to memory of 1956	1496	JSW_NEW_.exe	JSW_NEW_.exe
PID 1496 wrote to memory of 1956	1496	JSW_NEW_.exe	JSW_NEW_.exe
PID 1496 wrote to memory of 1956	1496	JSW_NEW_.exe	JSW_NEW_.exe
PID 1496 wrote to memory of 1956	1496	JSW_NEW_.exe	JSW_NEW_.exe
PID 1496 wrote to memory of 1956	1496	JSW_NEW_.exe	JSW_NEW_.exe
PID 1496 wrote to memory of 1956	1496	JSW_NEW_.exe	JSW_NEW_.exe
PID 1496 wrote to memory of 1956	1496	JSW_NEW_.exe	JSW_NEW_.exe
PID 1496 wrote to memory of 1956	1496	JSW_NEW_.exe	JSW_NEW_.exe

outlook_office_path 1 IoCs

Processes:

JSW_NEW_.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JSW_NEW_.exe

outlook_win_path 1 IoCs

Processes:

JSW_NEW_.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JSW_NEW_.exe

C:\Users\Admin\AppData\Local\Temp\JSW_NEW_.exe
"C:\Users\Admin\AppData\Local\Temp\JSW_NEW_.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1496

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\snmsrLq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp55FD.tmp"
2⤵
- Creates scheduled task(s)
PID:1400

C:\Users\Admin\AppData\Local\Temp\JSW_NEW_.exe
"C:\Users\Admin\AppData\Local\Temp\JSW_NEW_.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1956

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

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp55FD.tmp
Filesize
1KB

MD5
9a229323fda1a47e57e4ff01846887dd

SHA1
32b5e00f62d78650caa3dc793ed5a91c11a92361

SHA256
4f16e49bde451967c398cd7f66b09e9152437df802ea1f8ed489c5a58c18edf7

SHA512
07b30338e7665b42cba12bd791e5e973fbf3e465521b942cb39c6893db39485dc21042989d87c33c110f0ec21717c81192b25a040aee4978ed46e33804971759

Download Submit
memory/1400-59-0x0000000000000000-mapping.dmp

Download
memory/1496-57-0x00000000054B0000-0x0000000005552000-memory.dmp

Filesize
648KB

Download
memory/1496-54-0x0000000000B70000-0x0000000000C1E000-memory.dmp

Filesize
696KB

Download
memory/1496-58-0x0000000005200000-0x0000000005276000-memory.dmp

Filesize
472KB

Download
memory/1496-56-0x0000000000630000-0x0000000000638000-memory.dmp

Filesize
32KB

Download
memory/1496-55-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/1956-61-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1956-62-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1956-64-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1956-65-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1956-66-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1956-67-0x000000000046115E-mapping.dmp

Download
memory/1956-69-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1956-71-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads