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

Credentials

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

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1372-139-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

JSW_NEW_.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	JSW_NEW_.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

JSW_NEW_.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JSW_NEW_.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JSW_NEW_.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JSW_NEW_.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

JSW_NEW_.exe

description pid process target process

PID 3992 set thread context of 1372 3992 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

536 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

JSW_NEW_.exeJSW_NEW_.exe

pid process

3992 JSW_NEW_.exe
1372 JSW_NEW_.exe
1372 JSW_NEW_.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

JSW_NEW_.exeJSW_NEW_.exe

description pid process

Token: SeDebugPrivilege 3992 JSW_NEW_.exe
Token: SeDebugPrivilege 1372 JSW_NEW_.exe

description	pid	process	target process
PID 3992 set thread context of 1372	3992	JSW_NEW_.exe	JSW_NEW_.exe

pid	process
536	schtasks.exe

pid	process
3992	JSW_NEW_.exe
1372	JSW_NEW_.exe
1372	JSW_NEW_.exe

description	pid	process
Token: SeDebugPrivilege	3992	JSW_NEW_.exe
Token: SeDebugPrivilege	1372	JSW_NEW_.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

JSW_NEW_.exe

description	pid	process	target process
PID 3992 wrote to memory of 536	3992	JSW_NEW_.exe	schtasks.exe
PID 3992 wrote to memory of 536	3992	JSW_NEW_.exe	schtasks.exe
PID 3992 wrote to memory of 536	3992	JSW_NEW_.exe	schtasks.exe
PID 3992 wrote to memory of 1372	3992	JSW_NEW_.exe	JSW_NEW_.exe
PID 3992 wrote to memory of 1372	3992	JSW_NEW_.exe	JSW_NEW_.exe
PID 3992 wrote to memory of 1372	3992	JSW_NEW_.exe	JSW_NEW_.exe
PID 3992 wrote to memory of 1372	3992	JSW_NEW_.exe	JSW_NEW_.exe
PID 3992 wrote to memory of 1372	3992	JSW_NEW_.exe	JSW_NEW_.exe
PID 3992 wrote to memory of 1372	3992	JSW_NEW_.exe	JSW_NEW_.exe
PID 3992 wrote to memory of 1372	3992	JSW_NEW_.exe	JSW_NEW_.exe
PID 3992 wrote to memory of 1372	3992	JSW_NEW_.exe	JSW_NEW_.exe

outlook_office_path 1 IoCs

Processes:

JSW_NEW_.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3992

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\snmsrLq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC0A0.tmp"
2⤵
- Creates scheduled task(s)
PID:536

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:1372

Network

MITRE ATT&CK Enterprise 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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\JSW_NEW_.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC0A0.tmp

Filesize
1KB

MD5
f8288e364607b5e0a4c7144381bfa002

SHA1
f42b8424fd7a766d1e159f0cc3971b225c174371

SHA256
2c61db3e5b66f99b59708db1f605f5367bbd7c3663f442c6147a9bffda3e09cc

SHA512
5357f4bcf4f9a5ec9f85c4da6ac418b62b5cbb65cb9b17b89e2896ddebd4972a6080a8f31a0685fc0e8fbc8c21ee008d0c5f068e38a0ac6a5e1f66595a4b866d

Download Submit
memory/536-136-0x0000000000000000-mapping.dmp

Download
memory/1372-139-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1372-138-0x0000000000000000-mapping.dmp

Download
memory/1372-141-0x0000000005ED0000-0x0000000005F36000-memory.dmp

Filesize
408KB

Download
memory/1372-142-0x0000000006410000-0x0000000006460000-memory.dmp

Filesize
320KB

Download
memory/3992-134-0x0000000005290000-0x000000000529A000-memory.dmp

Filesize
40KB

Download
memory/3992-135-0x00000000053C0000-0x0000000005416000-memory.dmp

Filesize
344KB

Download
memory/3992-133-0x0000000005320000-0x00000000053B2000-memory.dmp

Filesize
584KB

Download
memory/3992-132-0x0000000005830000-0x0000000005DD4000-memory.dmp

Filesize
5.6MB

Download
memory/3992-130-0x00000000007A0000-0x000000000084E000-memory.dmp

Filesize
696KB

Download
memory/3992-131-0x00000000051E0000-0x000000000527C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads