agenttesla | 87d9c2119cc14f0975e6ec70d73793be9fd8abbda1d0b25979dab2d2cbabbf91

General

Target

0900009900pdf.exe
Size

539KB
MD5

ff69f59ae77ee39cafdb4e7efb4accd7
SHA1

998f7ed69e24b27371151aeb3d953643c8566878
SHA256

ed1aa53c89a6250abd5ec84f8458338150b89ba617d4ca9b8d1583658a2b44ef
SHA512

a457ce644c81831d757c7737364a22291c7db2194f457ea92f9de6a9560e25d12e9164b94dbd8b4048b7ed65d122b55944ce6212fb1f12d1ccb5c00693487b27

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
chukwudi123

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
chukwudi123

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/3296-132-0x0000000000400000-0x000000000044E000-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:

0900009900pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0900009900pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0900009900pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0900009900pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

0900009900pdf.exe

description pid process target process

PID 4124 set thread context of 3296 4124 0900009900pdf.exe 0900009900pdf.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

0900009900pdf.exe

pid process

3296 0900009900pdf.exe
3296 0900009900pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

0900009900pdf.exe

description pid process

Token: SeDebugPrivilege 3296 0900009900pdf.exe

description	pid	process	target process
PID 4124 set thread context of 3296	4124	0900009900pdf.exe	0900009900pdf.exe

pid	process
3296	0900009900pdf.exe
3296	0900009900pdf.exe

description	pid	process
Token: SeDebugPrivilege	3296	0900009900pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

0900009900pdf.exe

description	pid	process	target process
PID 4124 wrote to memory of 3296	4124	0900009900pdf.exe	0900009900pdf.exe
PID 4124 wrote to memory of 3296	4124	0900009900pdf.exe	0900009900pdf.exe
PID 4124 wrote to memory of 3296	4124	0900009900pdf.exe	0900009900pdf.exe
PID 4124 wrote to memory of 3296	4124	0900009900pdf.exe	0900009900pdf.exe
PID 4124 wrote to memory of 3296	4124	0900009900pdf.exe	0900009900pdf.exe
PID 4124 wrote to memory of 3296	4124	0900009900pdf.exe	0900009900pdf.exe
PID 4124 wrote to memory of 3296	4124	0900009900pdf.exe	0900009900pdf.exe
PID 4124 wrote to memory of 3296	4124	0900009900pdf.exe	0900009900pdf.exe

outlook_office_path 1 IoCs

Processes:

0900009900pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0900009900pdf.exe

outlook_win_path 1 IoCs

Processes:

0900009900pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0900009900pdf.exe

C:\Users\Admin\AppData\Local\Temp\0900009900pdf.exe
"C:\Users\Admin\AppData\Local\Temp\0900009900pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4124
- C:\Users\Admin\AppData\Local\Temp\0900009900pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\0900009900pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3296

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\0900009900pdf.exe.log

Filesize
693B

MD5
855f6fba8d51ef8841e44042111e8039

SHA1
8804ff6fb1875d08c78feec2eebe37ca6924c81a

SHA256
59da7420c17d972f1c5af1f34ee27d7eecb9c790fe2c1c7fecf75169dd803ee3

SHA512
2e600bb958698996f8927bde099dabe832d0c08bc592076f451dce2ec1403b5e026b2c9ec38b4a8729c2113077aaf8bf0a8dd821f8d85592e159fe8b7542c97a

Download Submit
memory/3296-131-0x0000000000000000-mapping.dmp

Download
memory/3296-132-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3296-134-0x00000000753B0000-0x0000000075961000-memory.dmp

Filesize
5.7MB

Download
memory/4124-130-0x00000000753B0000-0x0000000075961000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads