agenttesla | ffb871cdd407615d8113f1db5ecbf2e6fe02045e08d3d059d420e23f5f212a9d

General

Target

purchase order.exe
Size

440KB
MD5

b57085c23e5029e538811623864d9373
SHA1

cd89d4b32fad0b8fbbf3a266b6da6837f776dbd0
SHA256

ffb871cdd407615d8113f1db5ecbf2e6fe02045e08d3d059d420e23f5f212a9d
SHA512

5dcce01b20f8ab3dc2ab5570813926e368b2c585f0c5067c5ecf28a95984845f7c87b1adfd632a8ab4b2987973725ec1ba2ad5f80fbad03e530e5fe7a6b2b60a

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.supersigns.com.mx
Port:
587
Username:
[email protected]
Password:
icui4cu2@@

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/268-56-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/268-57-0x000000000040188B-mapping.dmp	family_agenttesla
behavioral1/memory/268-59-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/268-60-0x0000000001F20000-0x0000000001F57000-memory.dmp	family_agenttesla

Loads dropped DLL 1 IoCs

Processes:

purchase order.exe

pid process

1148 purchase order.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

pid	process
1148	purchase order.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

purchase order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

purchase order.exe

description pid process target process

PID 1148 set thread context of 268 1148 purchase order.exe purchase order.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

purchase order.exe

pid process

268 purchase order.exe
268 purchase order.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

purchase order.exe

description pid process

Token: SeDebugPrivilege 268 purchase order.exe

description	pid	process	target process
PID 1148 set thread context of 268	1148	purchase order.exe	purchase order.exe

pid	process
268	purchase order.exe
268	purchase order.exe

description	pid	process
Token: SeDebugPrivilege	268	purchase order.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

purchase order.exe

description	pid	process	target process
PID 1148 wrote to memory of 268	1148	purchase order.exe	purchase order.exe
PID 1148 wrote to memory of 268	1148	purchase order.exe	purchase order.exe
PID 1148 wrote to memory of 268	1148	purchase order.exe	purchase order.exe
PID 1148 wrote to memory of 268	1148	purchase order.exe	purchase order.exe
PID 1148 wrote to memory of 268	1148	purchase order.exe	purchase order.exe
PID 1148 wrote to memory of 268	1148	purchase order.exe	purchase order.exe
PID 1148 wrote to memory of 268	1148	purchase order.exe	purchase order.exe
PID 1148 wrote to memory of 268	1148	purchase order.exe	purchase order.exe
PID 1148 wrote to memory of 268	1148	purchase order.exe	purchase order.exe
PID 1148 wrote to memory of 268	1148	purchase order.exe	purchase order.exe
PID 1148 wrote to memory of 268	1148	purchase order.exe	purchase order.exe

outlook_office_path 1 IoCs

Processes:

purchase order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.exe

outlook_win_path 1 IoCs

Processes:

purchase order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	purchase order.exe

C:\Users\Admin\AppData\Local\Temp\purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1148

C:\Users\Admin\AppData\Local\Temp\purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:268

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsyF74B.tmp\jgqy.dll
MD5
2c730dd0e1f23d9c369ae347bed552d7

SHA1
aa03f2a218a3a0070c3da3ea2fe674979262048f

SHA256
4f98900338db46062ddf173bad982fd99565b1193d58465f618f21f23119b3c3

SHA512
fe08c0ddb5a5581b25757bcf3dbff507499e8b15347badee535073d5e78f61c76133155969261319bca8634fc8f78476131336acb060d324e8ceaa976f8540ad

Download Submit
memory/268-56-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/268-57-0x000000000040188B-mapping.dmp

Download
memory/268-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/268-60-0x0000000001F20000-0x0000000001F57000-memory.dmp

Filesize
220KB

Download
memory/268-62-0x0000000001F91000-0x0000000001F92000-memory.dmp

Filesize
4KB

Download
memory/268-63-0x0000000001F92000-0x0000000001F93000-memory.dmp

Filesize
4KB

Download
memory/268-64-0x0000000001F93000-0x0000000001F94000-memory.dmp

Filesize
4KB

Download
memory/268-65-0x0000000001F94000-0x0000000001F95000-memory.dmp

Filesize
4KB

Download
memory/1148-54-0x00000000754A1000-0x00000000754A3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads