agenttesla | 2cae27fe5b93620d4d7f1b6e16566c618c23aaa11230ebb33a2bf57c0e576202

General

Target

Shipping documents.PDF.exe
Size

753KB
MD5

c95c355e8ef742a2b6c165ff6b6c4ae4
SHA1

9818b3e5305a425c6d06984c79a35353457c30e1
SHA256

2cae27fe5b93620d4d7f1b6e16566c618c23aaa11230ebb33a2bf57c0e576202
SHA512

f111692d9815a79f44d543ac4c171fe424168a0ea4f605fcf7bf17d6c9fa23c9ce3b2443139ee018118fb68efa8b214af9854e814a718249c951f7cabc72dc67
SSDEEP

12288:4bsbERS6OQ0H9vM7zrbETClBkFg/IyXCD8Hk1dnkyH2lrioPUGjAIm5B2yqA2X+F:4QbwS7H9U776CPkFg/IyXtmdnzKGaUGu

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5495243543:AAG3XPeGW7yqfXF6_EXjGSfO9SWHJTpqVsU/

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:

Shipping documents.PDF.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	Shipping documents.PDF.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LdtJsTw = "C:\\Users\\Admin\\AppData\\Roaming\\LdtJsTw\\LdtJsTw.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Shipping documents.PDF.exe

description pid process target process

PID 2356 set thread context of 3364 2356 Shipping documents.PDF.exe RegSvcs.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

2648 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Shipping documents.PDF.exeRegSvcs.exe

pid process

2356 Shipping documents.PDF.exe
3364 RegSvcs.exe
3364 RegSvcs.exe
3364 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Shipping documents.PDF.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2356 Shipping documents.PDF.exe
Token: SeDebugPrivilege 3364 RegSvcs.exe

description	pid	process	target process
PID 2356 set thread context of 3364	2356	Shipping documents.PDF.exe	RegSvcs.exe

pid	process
2648	schtasks.exe

pid	process
2356	Shipping documents.PDF.exe
3364	RegSvcs.exe
3364	RegSvcs.exe
3364	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2356	Shipping documents.PDF.exe
Token: SeDebugPrivilege	3364	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Shipping documents.PDF.exe

description	pid	process	target process
PID 2356 wrote to memory of 2648	2356	Shipping documents.PDF.exe	schtasks.exe
PID 2356 wrote to memory of 2648	2356	Shipping documents.PDF.exe	schtasks.exe
PID 2356 wrote to memory of 2648	2356	Shipping documents.PDF.exe	schtasks.exe
PID 2356 wrote to memory of 3364	2356	Shipping documents.PDF.exe	RegSvcs.exe
PID 2356 wrote to memory of 3364	2356	Shipping documents.PDF.exe	RegSvcs.exe
PID 2356 wrote to memory of 3364	2356	Shipping documents.PDF.exe	RegSvcs.exe
PID 2356 wrote to memory of 3364	2356	Shipping documents.PDF.exe	RegSvcs.exe
PID 2356 wrote to memory of 3364	2356	Shipping documents.PDF.exe	RegSvcs.exe
PID 2356 wrote to memory of 3364	2356	Shipping documents.PDF.exe	RegSvcs.exe
PID 2356 wrote to memory of 3364	2356	Shipping documents.PDF.exe	RegSvcs.exe
PID 2356 wrote to memory of 3364	2356	Shipping documents.PDF.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Shipping documents.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping documents.PDF.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2356

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AzzZnOFhwGhBUP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2B17.tmp"
2⤵
- Creates scheduled task(s)
PID:2648

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:3364

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2B17.tmp
Filesize
1KB

MD5
c57d1485e9e0725783096c751c2e4231

SHA1
783e27e711f55eb5c8f7a220ed08e914781e32a4

SHA256
dde13965fbd79521aa70368dc4e6604e492facbf93e2d739f27a00cfa356a868

SHA512
86c4a22c810ee471c0c22d5e83054244148c6f9acde1326f402564ae2a69b88d58982f1822146995b159c0c490bfefcfab2ef1067d39105c63594153b759725e

Download Submit
memory/2356-132-0x0000000000350000-0x0000000000412000-memory.dmp

Filesize
776KB

Download
memory/2356-133-0x00000000052D0000-0x0000000005874000-memory.dmp

Filesize
5.6MB

Download
memory/2356-134-0x0000000004DC0000-0x0000000004E52000-memory.dmp

Filesize
584KB

Download
memory/2356-135-0x0000000004F00000-0x0000000004F9C000-memory.dmp

Filesize
624KB

Download
memory/2356-136-0x0000000004EC0000-0x0000000004ECA000-memory.dmp

Filesize
40KB

Download
memory/2648-137-0x0000000000000000-mapping.dmp

Download
memory/3364-139-0x0000000000000000-mapping.dmp

Download
memory/3364-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3364-141-0x00000000066A0000-0x0000000006706000-memory.dmp

Filesize
408KB

Download
memory/3364-142-0x00000000069E0000-0x0000000006A30000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads