agenttesla | 4119daf209813f03da5dac84667bfeb45f2eeef85f647f621ab08ef5b1ac4bce

General

Target
a86fcdc35c25da4812cd08fbf2e30469.exe
Size 617KB
Sample220615-x4yajaedc8
SHA256 4119daf209813f03da5dac84667bfeb45f2eeef85f647f621ab08ef5b1ac4bce
MD5 a86fcdc35c25da4812cd08fbf2e30469
SHA1 76be5b9f09edac706ad5aee8d71d0901583b4f59
SHA512 cb46c835217a2149fa6fc8ae19854f827d3609233e04e8c2203ddd7b8c3492c80369cf844a8087b8a8daa69672f499eec5f8058bc5589804e6f1c6086b9d7c3b
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.boyyem.com.tr
Port
587
Username
[email protected]
Password
Muhasebe4442319

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.boyyem.com.tr
Port
587
Username
[email protected]
Password
Muhasebe4442319
Email to
[email protected]

Signatures

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a86fcdc35c25da4812cd08fbf2e30469.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a86fcdc35c25da4812cd08fbf2e30469.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a86fcdc35c25da4812cd08fbf2e30469.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4956 set thread context of 3768	4956	a86fcdc35c25da4812cd08fbf2e30469.exe	91

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4956	a86fcdc35c25da4812cd08fbf2e30469.exe
4956	a86fcdc35c25da4812cd08fbf2e30469.exe
3768	a86fcdc35c25da4812cd08fbf2e30469.exe
3768	a86fcdc35c25da4812cd08fbf2e30469.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4956	a86fcdc35c25da4812cd08fbf2e30469.exe
Token: SeDebugPrivilege	3768	a86fcdc35c25da4812cd08fbf2e30469.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3768	a86fcdc35c25da4812cd08fbf2e30469.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 4256	4956	a86fcdc35c25da4812cd08fbf2e30469.exe	90
PID 4956 wrote to memory of 4256	4956	a86fcdc35c25da4812cd08fbf2e30469.exe	90
PID 4956 wrote to memory of 4256	4956	a86fcdc35c25da4812cd08fbf2e30469.exe	90
PID 4956 wrote to memory of 3768	4956	a86fcdc35c25da4812cd08fbf2e30469.exe	91
PID 4956 wrote to memory of 3768	4956	a86fcdc35c25da4812cd08fbf2e30469.exe	91
PID 4956 wrote to memory of 3768	4956	a86fcdc35c25da4812cd08fbf2e30469.exe	91
PID 4956 wrote to memory of 3768	4956	a86fcdc35c25da4812cd08fbf2e30469.exe	91
PID 4956 wrote to memory of 3768	4956	a86fcdc35c25da4812cd08fbf2e30469.exe	91
PID 4956 wrote to memory of 3768	4956	a86fcdc35c25da4812cd08fbf2e30469.exe	91
PID 4956 wrote to memory of 3768	4956	a86fcdc35c25da4812cd08fbf2e30469.exe	91
PID 4956 wrote to memory of 3768	4956	a86fcdc35c25da4812cd08fbf2e30469.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a86fcdc35c25da4812cd08fbf2e30469.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a86fcdc35c25da4812cd08fbf2e30469.exe

C:\Users\Admin\AppData\Local\Temp\a86fcdc35c25da4812cd08fbf2e30469.exe
"C:\Users\Admin\AppData\Local\Temp\a86fcdc35c25da4812cd08fbf2e30469.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Users\Admin\AppData\Local\Temp\a86fcdc35c25da4812cd08fbf2e30469.exe
  "C:\Users\Admin\AppData\Local\Temp\a86fcdc35c25da4812cd08fbf2e30469.exe"
  2⤵
  PID:4256
- C:\Users\Admin\AppData\Local\Temp\a86fcdc35c25da4812cd08fbf2e30469.exe
  "C:\Users\Admin\AppData\Local\Temp\a86fcdc35c25da4812cd08fbf2e30469.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3768

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

a86fcdc35c25da4812cd08fbf2e30469.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a86fcdc35c25da4812cd08fbf2e30469.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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memory/3768-137-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/3768-139-0x0000000006240000-0x00000000062A6000-memory.dmp

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memory/3768-140-0x0000000006800000-0x0000000006850000-memory.dmp

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memory/4956-130-0x0000000000120000-0x00000000001C0000-memory.dmp

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memory/4956-131-0x00000000051C0000-0x0000000005764000-memory.dmp

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memory/4956-132-0x0000000004A60000-0x0000000004AF2000-memory.dmp

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memory/4956-133-0x00000000025F0000-0x00000000025FA000-memory.dmp

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memory/4956-134-0x00000000086A0000-0x000000000873C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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