agenttesla | 531af3241354cb2bec2efc2281e3b094d962d8a1e887fa17c328766ba6096675

General

Target

531af324.exe
Size

500KB
MD5

2d556ef398f471f9c4a9eaa0577ae09d
SHA1

c0a2c971dc6ee872f00deb6410a575267ad5986e
SHA256

531af3241354cb2bec2efc2281e3b094d962d8a1e887fa17c328766ba6096675
SHA512

42e5a607770aa41e29906497c85108f7bee1f2f2e2438ba4444c51dcf3d222cec9fde1ab0b0e1927a796e54c8b34af4e5651ca9d40c2a11b363242fd21fb2bb2

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tccinfaes.com
Port:
587
Username:
margaridasantos@tccinfaes.com
Password:
TccBps1427log

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2720-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2720-127-0x000000000043764E-mapping.dmp	family_agenttesla
behavioral2/memory/2720-133-0x0000000005170000-0x000000000566E000-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:

531af324.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	531af324.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	531af324.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	531af324.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

531af324.exe

description pid process target process

PID 788 set thread context of 2720 788 531af324.exe 531af324.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

531af324.exe531af324.exe

pid process

788 531af324.exe
788 531af324.exe
2720 531af324.exe
2720 531af324.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

531af324.exe531af324.exe

description pid process

Token: SeDebugPrivilege 788 531af324.exe
Token: SeDebugPrivilege 2720 531af324.exe

description	pid	process	target process
PID 788 set thread context of 2720	788	531af324.exe	531af324.exe

pid	process
788	531af324.exe
788	531af324.exe
2720	531af324.exe
2720	531af324.exe

description	pid	process
Token: SeDebugPrivilege	788	531af324.exe
Token: SeDebugPrivilege	2720	531af324.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

531af324.exe

description	pid	process	target process
PID 788 wrote to memory of 3132	788	531af324.exe	531af324.exe
PID 788 wrote to memory of 3132	788	531af324.exe	531af324.exe
PID 788 wrote to memory of 3132	788	531af324.exe	531af324.exe
PID 788 wrote to memory of 2720	788	531af324.exe	531af324.exe
PID 788 wrote to memory of 2720	788	531af324.exe	531af324.exe
PID 788 wrote to memory of 2720	788	531af324.exe	531af324.exe
PID 788 wrote to memory of 2720	788	531af324.exe	531af324.exe
PID 788 wrote to memory of 2720	788	531af324.exe	531af324.exe
PID 788 wrote to memory of 2720	788	531af324.exe	531af324.exe
PID 788 wrote to memory of 2720	788	531af324.exe	531af324.exe
PID 788 wrote to memory of 2720	788	531af324.exe	531af324.exe

outlook_office_path 1 IoCs

Processes:

531af324.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	531af324.exe

outlook_win_path 1 IoCs

Processes:

531af324.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	531af324.exe

C:\Users\Admin\AppData\Local\Temp\531af324.exe
"C:\Users\Admin\AppData\Local\Temp\531af324.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:788

C:\Users\Admin\AppData\Local\Temp\531af324.exe
"{path}"
2⤵
PID:3132

C:\Users\Admin\AppData\Local\Temp\531af324.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2720

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

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\531af324.exe.log
MD5
c3cc52ccca9ff2b6fa8d267fc350ca6b

SHA1
a68d4028333296d222e4afd75dea36fdc98d05f3

SHA256
3125b6071e2d78f575a06ed7ac32a83d9262ae64d1fa81ac43e8bfc1ef157c0e

SHA512
b0c7b2501b1a2c559795a9d178c0bbda0e03cbdbaaa2c4330ac1202a55373fe1b742078adcfa915bd6e805565a2daa6d35d64ef7a14ffcd09069f9ea6a691cc7

Download Submit
memory/788-120-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

Filesize
4KB

Download
memory/788-123-0x0000000004E00000-0x0000000004E0E000-memory.dmp

Filesize
56KB

Download
memory/788-119-0x0000000004C00000-0x0000000004C01000-memory.dmp

Filesize
4KB

Download
memory/788-115-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/788-125-0x0000000005BA0000-0x0000000005BD9000-memory.dmp

Filesize
228KB

Download
memory/788-122-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

Filesize
4KB

Download
memory/788-118-0x0000000009480000-0x0000000009481000-memory.dmp

Filesize
4KB

Download
memory/788-124-0x0000000005B20000-0x0000000005B9E000-memory.dmp

Filesize
504KB

Download
memory/788-121-0x00000000049D0000-0x00000000049D1000-memory.dmp

Filesize
4KB

Download
memory/788-117-0x0000000004940000-0x00000000049A8000-memory.dmp

Filesize
416KB

Download
memory/2720-127-0x000000000043764E-mapping.dmp

Download
memory/2720-126-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2720-133-0x0000000005170000-0x000000000566E000-memory.dmp

Filesize
5.0MB

Download
memory/2720-134-0x00000000051F0000-0x00000000051F1000-memory.dmp

Filesize
4KB

Download
memory/2720-135-0x0000000005D60000-0x0000000005D61000-memory.dmp

Filesize
4KB

Download
memory/2720-138-0x0000000005170000-0x000000000566E000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads