agenttesla | 250205ed2b8e3e7272983094abaa802748408186163c4bf26cd5f4fc5c425f24

General

Target

PO.exe
Size

635KB
MD5

55140ff87747a3ed721b053b3012c413
SHA1

af976e3c1f3299f91fa210b663b3ab7cd3f2252f
SHA256

7e6255b2167102b7df469de6cc873668440e156aba6fe6b3d00ab4e052ce1dce
SHA512

04a3cd883e3bc1c032f3805612b67141e16614e4c2d3908cb01345ce049ac4dba4f0aedfabf2fa8afc997b06c2a1f7dff508a061743d0e8b8d3cdcef55ad4b46

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
chinwendu123

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/1328-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1328-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1328-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1328-65-0x00000000004470BE-mapping.dmp	family_agenttesla
behavioral1/memory/1328-67-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1328-69-0x0000000000400000-0x000000000044C000-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:

PO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO.exe

description pid process target process

PID 1120 set thread context of 1328 1120 PO.exe PO.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PO.exe

pid process

1328 PO.exe
1328 PO.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

PO.exe

description pid process

Token: SeDebugPrivilege 1328 PO.exe

description	pid	process	target process
PID 1120 set thread context of 1328	1120	PO.exe	PO.exe

pid	process
1328	PO.exe
1328	PO.exe

description	pid	process
Token: SeDebugPrivilege	1328	PO.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

PO.exe

description	pid	process	target process
PID 1120 wrote to memory of 1328	1120	PO.exe	PO.exe
PID 1120 wrote to memory of 1328	1120	PO.exe	PO.exe
PID 1120 wrote to memory of 1328	1120	PO.exe	PO.exe
PID 1120 wrote to memory of 1328	1120	PO.exe	PO.exe
PID 1120 wrote to memory of 1328	1120	PO.exe	PO.exe
PID 1120 wrote to memory of 1328	1120	PO.exe	PO.exe
PID 1120 wrote to memory of 1328	1120	PO.exe	PO.exe
PID 1120 wrote to memory of 1328	1120	PO.exe	PO.exe
PID 1120 wrote to memory of 1328	1120	PO.exe	PO.exe

outlook_office_path 1 IoCs

Processes:

PO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe

outlook_win_path 1 IoCs

Processes:

PO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO.exe

C:\Users\Admin\AppData\Local\Temp\PO.exe
"C:\Users\Admin\AppData\Local\Temp\PO.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1120

C:\Users\Admin\AppData\Local\Temp\PO.exe
"C:\Users\Admin\AppData\Local\Temp\PO.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1120-54-0x0000000000C10000-0x0000000000CB6000-memory.dmp

Filesize
664KB

Download
memory/1120-55-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1120-56-0x0000000000520000-0x0000000000528000-memory.dmp

Filesize
32KB

Download
memory/1120-57-0x0000000005030000-0x00000000050B6000-memory.dmp

Filesize
536KB

Download
memory/1120-58-0x0000000005340000-0x000000000539C000-memory.dmp

Filesize
368KB

Download
memory/1328-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1328-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1328-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1328-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1328-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1328-65-0x00000000004470BE-mapping.dmp

Download
memory/1328-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1328-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads