agenttesla | fd82f122aa8f51076bde16ea95069a38421af13c65f760bd0fb2b69313a4eedc

General

Target

Catalog.exe
Size

432KB
MD5

7d7aae060d553d8ae3a48a6a1e7dbddb
SHA1

44ab5e2b2e0f870e592e7cb1026ba9cb2c2a451f
SHA256

2a2a628e23fa234e422aa5edcb6718f54e5caa2822ee10950a30619d9e9b0534
SHA512

7f7bfec03fa197ba78ab4b1f42090409224aede7abe321fac52f98207be7dfca46c32a8c081e0d84dfa91e93897c4adabc543c52cac61a352c98a3174f155b12

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
K$pbkEK0

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
K$pbkEK0

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/1576-139-0x0000000000400000-0x000000000044C000-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:

Catalog.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	Catalog.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:

Catalog.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Catalog.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Catalog.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Catalog.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Catalog.exe

description pid process target process

PID 2176 set thread context of 1576 2176 Catalog.exe Catalog.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

5056 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Catalog.exeCatalog.exe

pid process

2176 Catalog.exe
2176 Catalog.exe
2176 Catalog.exe
2176 Catalog.exe
1576 Catalog.exe
1576 Catalog.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Catalog.exeCatalog.exe

description pid process

Token: SeDebugPrivilege 2176 Catalog.exe
Token: SeDebugPrivilege 1576 Catalog.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Catalog.exe

pid process

1576 Catalog.exe

description	pid	process	target process
PID 2176 set thread context of 1576	2176	Catalog.exe	Catalog.exe

pid	process
5056	schtasks.exe

pid	process
2176	Catalog.exe
2176	Catalog.exe
2176	Catalog.exe
2176	Catalog.exe
1576	Catalog.exe
1576	Catalog.exe

description	pid	process
Token: SeDebugPrivilege	2176	Catalog.exe
Token: SeDebugPrivilege	1576	Catalog.exe

pid	process
1576	Catalog.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Catalog.exe

description	pid	process	target process
PID 2176 wrote to memory of 5056	2176	Catalog.exe	schtasks.exe
PID 2176 wrote to memory of 5056	2176	Catalog.exe	schtasks.exe
PID 2176 wrote to memory of 5056	2176	Catalog.exe	schtasks.exe
PID 2176 wrote to memory of 4472	2176	Catalog.exe	Catalog.exe
PID 2176 wrote to memory of 4472	2176	Catalog.exe	Catalog.exe
PID 2176 wrote to memory of 4472	2176	Catalog.exe	Catalog.exe
PID 2176 wrote to memory of 2140	2176	Catalog.exe	Catalog.exe
PID 2176 wrote to memory of 2140	2176	Catalog.exe	Catalog.exe
PID 2176 wrote to memory of 2140	2176	Catalog.exe	Catalog.exe
PID 2176 wrote to memory of 1576	2176	Catalog.exe	Catalog.exe
PID 2176 wrote to memory of 1576	2176	Catalog.exe	Catalog.exe
PID 2176 wrote to memory of 1576	2176	Catalog.exe	Catalog.exe
PID 2176 wrote to memory of 1576	2176	Catalog.exe	Catalog.exe
PID 2176 wrote to memory of 1576	2176	Catalog.exe	Catalog.exe
PID 2176 wrote to memory of 1576	2176	Catalog.exe	Catalog.exe
PID 2176 wrote to memory of 1576	2176	Catalog.exe	Catalog.exe
PID 2176 wrote to memory of 1576	2176	Catalog.exe	Catalog.exe

outlook_office_path 1 IoCs

Processes:

Catalog.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Catalog.exe

outlook_win_path 1 IoCs

Processes:

Catalog.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Catalog.exe

C:\Users\Admin\AppData\Local\Temp\Catalog.exe
"C:\Users\Admin\AppData\Local\Temp\Catalog.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2176

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eJVfFedO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp72AF.tmp"
2⤵
- Creates scheduled task(s)
PID:5056

C:\Users\Admin\AppData\Local\Temp\Catalog.exe
"{path}"
2⤵
PID:4472

C:\Users\Admin\AppData\Local\Temp\Catalog.exe
"{path}"
2⤵
PID:2140

C:\Users\Admin\AppData\Local\Temp\Catalog.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1576

Network

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

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\CLR_v4.0_32\UsageLogs\Catalog.exe.log
Filesize
507B

MD5
76ffb2f33cb32ade8fc862a67599e9d8

SHA1
920cc4ab75b36d2f9f6e979b74db568973c49130

SHA256
f1a3724670e3379318ec9c73f6f39058cab0ab013ba3cd90c047c3d701362310

SHA512
f33502c2e1bb30c05359bfc6819ca934642a1e01874e3060349127d792694d56ad22fccd6c9477b8ee50d66db35785779324273f509576b48b7f85577e001b4e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp72AF.tmp
Filesize
1KB

MD5
7e506da2da4e169f4306d9ef3724d96f

SHA1
23ab85dca109ea384f8e4980e38c3f24a2475d19

SHA256
bf995e2f03bae77afdcad37f8ff72ec73b78f70c9dc6a4daa4eca4dcbe28a729

SHA512
53d206e5885dc603a6fea23111ace8bd97a2a4a1e5c577d09d62808657b5bdef7abedc600ec7244de4017cb355c6c10714b0c13f67e7b82ce803637cb0021065

Download Submit
memory/1576-138-0x0000000000000000-mapping.dmp

Download
memory/1576-143-0x0000000001450000-0x000000000145A000-memory.dmp

Filesize
40KB

Download
memory/1576-142-0x0000000006AE0000-0x0000000006B30000-memory.dmp

Filesize
320KB

Download
memory/1576-141-0x00000000064B0000-0x0000000006516000-memory.dmp

Filesize
408KB

Download
memory/1576-139-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2140-137-0x0000000000000000-mapping.dmp

Download
memory/2176-133-0x00000000053B0000-0x000000000544C000-memory.dmp

Filesize
624KB

Download
memory/2176-130-0x0000000000880000-0x00000000008F2000-memory.dmp

Filesize
456KB

Download
memory/2176-132-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/2176-131-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download
memory/4472-136-0x0000000000000000-mapping.dmp

Download
memory/5056-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads