agenttesla | b9acce3baff6363cf5ccfa55dbad67650905b856985de50829e65fa8a4be3d9c

General

Target

Purchase Order_13102023.exe
Size

523KB
MD5

b5a70147c823327681c942174403ee66
SHA1

855905c7cdffd746a9ce9866bb50a92afd3e79b8
SHA256

b9acce3baff6363cf5ccfa55dbad67650905b856985de50829e65fa8a4be3d9c
SHA512

c8c49aa51326a513aa3d19fefea33987840c845f800d1ac575414b36b93bd9f8beb5f8110fefbf2c0e6b4527d0342b68fc47de883d68050b0d58c6c393bacabb
SSDEEP

12288:HhsDwXRze8VYS94Goso7GerOpDfN4jQk8l7fdict:6gzexS9aOf0Y7Vict

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dynamicconsultinglogistics.ma
Port:
587
Username:
[email protected]
Password:
Laanaya@2022
Email To:
[email protected]

Signatures

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

Purchase Order_13102023.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Control Panel\International\Geo\Nation	Purchase Order_13102023.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\KLgJsl = "C:\\Users\\Admin\\AppData\\Roaming\\KLgJsl\\KLgJsl.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase Order_13102023.exe

description pid process target process

PID 4408 set thread context of 1816 4408 Purchase Order_13102023.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

1980 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Purchase Order_13102023.exeRegSvcs.exe

pid process

4408 Purchase Order_13102023.exe
1816 RegSvcs.exe
1816 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order_13102023.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4408 Purchase Order_13102023.exe
Token: SeDebugPrivilege 1816 RegSvcs.exe

description	pid	process	target process
PID 4408 set thread context of 1816	4408	Purchase Order_13102023.exe	RegSvcs.exe

pid	process
1980	schtasks.exe

pid	process
4408	Purchase Order_13102023.exe
1816	RegSvcs.exe
1816	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4408	Purchase Order_13102023.exe
Token: SeDebugPrivilege	1816	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Purchase Order_13102023.exe

description	pid	process	target process
PID 4408 wrote to memory of 1980	4408	Purchase Order_13102023.exe	schtasks.exe
PID 4408 wrote to memory of 1980	4408	Purchase Order_13102023.exe	schtasks.exe
PID 4408 wrote to memory of 1980	4408	Purchase Order_13102023.exe	schtasks.exe
PID 4408 wrote to memory of 1816	4408	Purchase Order_13102023.exe	RegSvcs.exe
PID 4408 wrote to memory of 1816	4408	Purchase Order_13102023.exe	RegSvcs.exe
PID 4408 wrote to memory of 1816	4408	Purchase Order_13102023.exe	RegSvcs.exe
PID 4408 wrote to memory of 1816	4408	Purchase Order_13102023.exe	RegSvcs.exe
PID 4408 wrote to memory of 1816	4408	Purchase Order_13102023.exe	RegSvcs.exe
PID 4408 wrote to memory of 1816	4408	Purchase Order_13102023.exe	RegSvcs.exe
PID 4408 wrote to memory of 1816	4408	Purchase Order_13102023.exe	RegSvcs.exe
PID 4408 wrote to memory of 1816	4408	Purchase Order_13102023.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order_13102023.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order_13102023.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4408

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BNrDYUo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7768.tmp"
2⤵
- Creates scheduled task(s)
PID:1980

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1816

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7768.tmp
Filesize
1KB

MD5
dfca11dbf0f59d6d9a056801e7449f9a

SHA1
bfee84ceb58c17f77bbf6e02e526acc86397471b

SHA256
33ea806445a27ebe5fd5772c7e2280970a22d4b30d9eae2f73496e48ea7fee04

SHA512
1bd304f65a9d10c5c7d321c2f0319fdfcff2f13cb021ef3b73f474701e35df5b4a42384281cf14e78bc2788201ab2c5b7ddfebeca9cd8b7cbe28aa6479b92824

Download Submit
memory/1816-25-0x0000000006340000-0x0000000006390000-memory.dmp

Filesize
320KB

Download
memory/1816-24-0x0000000002DD0000-0x0000000002DE0000-memory.dmp

Filesize
64KB

Download
memory/1816-23-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/1816-21-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/1816-20-0x0000000002DD0000-0x0000000002DE0000-memory.dmp

Filesize
64KB

Download
memory/1816-19-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/1816-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4408-10-0x00000000055E0000-0x00000000055F0000-memory.dmp

Filesize
64KB

Download
memory/4408-18-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4408-0-0x00000000009D0000-0x0000000000A58000-memory.dmp

Filesize
544KB

Download
memory/4408-11-0x0000000006280000-0x00000000062FC000-memory.dmp

Filesize
496KB

Download
memory/4408-12-0x0000000006160000-0x00000000061A2000-memory.dmp

Filesize
264KB

Download
memory/4408-8-0x0000000005540000-0x000000000554C000-memory.dmp

Filesize
48KB

Download
memory/4408-7-0x00000000055F0000-0x0000000005646000-memory.dmp

Filesize
344KB

Download
memory/4408-9-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4408-6-0x0000000005370000-0x000000000537A000-memory.dmp

Filesize
40KB

Download
memory/4408-5-0x00000000055E0000-0x00000000055F0000-memory.dmp

Filesize
64KB

Download
memory/4408-4-0x00000000053B0000-0x0000000005442000-memory.dmp

Filesize
584KB

Download
memory/4408-3-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download
memory/4408-2-0x0000000005270000-0x000000000530C000-memory.dmp

Filesize
624KB

Download
memory/4408-1-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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