agenttesla | 83b6aa38d20988a4998f816204052bb8da1a178b9d0c5fcd99d20239ba3a7d1c

General

Target

Inquiry Specifications.exe
Size

743KB
MD5

c53968e1ae7a72f19601461be7fe28c5
SHA1

5bcaf93b52a0a617ca06a25ee4ee65f26737c8a0
SHA256

9aacf7241d4ac98976ece20663fe83d6b5f13bfe98b597ae02ed5d39614b9c16
SHA512

650a7ccac182b4c84fd7543309a3dc76428d50f0b32422dd188a5f58cd0579b935e7b59f74b85614cd3ec3395e861802a7e775270831ac3ed086a07fce607fae

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

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/1956-64-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1956-65-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1956-66-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1956-67-0x000000000045499E-mapping.dmp	family_agenttesla
behavioral1/memory/1956-69-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1956-71-0x0000000000400000-0x000000000045A000-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:

Inquiry Specifications.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquiry Specifications.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquiry Specifications.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquiry Specifications.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Inquiry Specifications.exe

description pid process target process

PID 1976 set thread context of 1956 1976 Inquiry Specifications.exe Inquiry Specifications.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

2028 schtasks.exe

description	pid	process	target process
PID 1976 set thread context of 1956	1976	Inquiry Specifications.exe	Inquiry Specifications.exe

pid	process
2028	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

Inquiry Specifications.exeInquiry Specifications.exe

pid	process
1976	Inquiry Specifications.exe
1976	Inquiry Specifications.exe
1976	Inquiry Specifications.exe
1976	Inquiry Specifications.exe
1976	Inquiry Specifications.exe
1956	Inquiry Specifications.exe
1956	Inquiry Specifications.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Inquiry Specifications.exeInquiry Specifications.exe

description pid process

Token: SeDebugPrivilege 1976 Inquiry Specifications.exe
Token: SeDebugPrivilege 1956 Inquiry Specifications.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Inquiry Specifications.exe

pid process

1956 Inquiry Specifications.exe

description	pid	process
Token: SeDebugPrivilege	1976	Inquiry Specifications.exe
Token: SeDebugPrivilege	1956	Inquiry Specifications.exe

pid	process
1956	Inquiry Specifications.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Inquiry Specifications.exe

description	pid	process	target process
PID 1976 wrote to memory of 2028	1976	Inquiry Specifications.exe	schtasks.exe
PID 1976 wrote to memory of 2028	1976	Inquiry Specifications.exe	schtasks.exe
PID 1976 wrote to memory of 2028	1976	Inquiry Specifications.exe	schtasks.exe
PID 1976 wrote to memory of 2028	1976	Inquiry Specifications.exe	schtasks.exe
PID 1976 wrote to memory of 1956	1976	Inquiry Specifications.exe	Inquiry Specifications.exe
PID 1976 wrote to memory of 1956	1976	Inquiry Specifications.exe	Inquiry Specifications.exe
PID 1976 wrote to memory of 1956	1976	Inquiry Specifications.exe	Inquiry Specifications.exe
PID 1976 wrote to memory of 1956	1976	Inquiry Specifications.exe	Inquiry Specifications.exe
PID 1976 wrote to memory of 1956	1976	Inquiry Specifications.exe	Inquiry Specifications.exe
PID 1976 wrote to memory of 1956	1976	Inquiry Specifications.exe	Inquiry Specifications.exe
PID 1976 wrote to memory of 1956	1976	Inquiry Specifications.exe	Inquiry Specifications.exe
PID 1976 wrote to memory of 1956	1976	Inquiry Specifications.exe	Inquiry Specifications.exe
PID 1976 wrote to memory of 1956	1976	Inquiry Specifications.exe	Inquiry Specifications.exe

outlook_office_path 1 IoCs

Processes:

Inquiry Specifications.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquiry Specifications.exe

outlook_win_path 1 IoCs

Processes:

Inquiry Specifications.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquiry Specifications.exe

C:\Users\Admin\AppData\Local\Temp\Inquiry Specifications.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry Specifications.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB221.tmp"
2⤵
- Creates scheduled task(s)
PID:2028

C:\Users\Admin\AppData\Local\Temp\Inquiry Specifications.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: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\tmpB221.tmp
Filesize
1KB

MD5
ab15c7fe3dc23f51a8ed4545eb54a9cb

SHA1
206a5e711a5b8819deae10c568fa760a23d9308c

SHA256
2889f7b15e75b474bfa37c720f216861f138e8e39e1d2f807ce751a21086674b

SHA512
29b8f09dfa625fad63d6cae0fd9d9f9ea19a4b5a001138c5afb644c0d37f1cc2e7bf51a4242af433568b22b19613b1570a234474663cc659dd4ad54c7407a114

Download Submit
memory/1956-67-0x000000000045499E-mapping.dmp

Download
memory/1956-66-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1956-73-0x0000000000620000-0x000000000062A000-memory.dmp

Filesize
40KB

Download
memory/1956-71-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1956-69-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1956-62-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1956-65-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1956-64-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1956-61-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1976-56-0x00000000002D0000-0x00000000002DA000-memory.dmp

Filesize
40KB

Download
memory/1976-55-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/1976-54-0x0000000000D60000-0x0000000000E20000-memory.dmp

Filesize
768KB

Download
memory/1976-58-0x0000000000420000-0x0000000000484000-memory.dmp

Filesize
400KB

Download
memory/1976-57-0x0000000005240000-0x00000000052BC000-memory.dmp

Filesize
496KB

Download
memory/2028-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads