agenttesla | f1c58bc5387daaca15abc7de2e134f79d9e6371474025be61d9300fbf6b8fc32

General

Target
BOQ.exe
Size 368KB
Sample201109-5fpyvyfzzs
SHA256 f1c58bc5387daaca15abc7de2e134f79d9e6371474025be61d9300fbf6b8fc32
MD5 ace3df43557728e524f595c6f557bdf0
SHA1 825cfdea1c901773e649b25d24e88e8af198900a
SHA512 06b25666985ccdc48cbdb423b51b4afad72f4930fe21bb2de12fcff7098013c3985d3d1bae1370b2fedeb780cd5a0ef010b73dc38b1b838dfd75e04a583f87d8
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.unversal-stahl.com
Port
587
Username
[email protected]
Password
Control84@

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/868-1-0x000000000044CA5E-mapping.dmp	family_agenttesla
behavioral1/memory/868-0-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/868-2-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/868-3-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	BOQ.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1656 set thread context of 868	1656	BOQ.exe	29

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1656	BOQ.exe
1656	BOQ.exe
1656	BOQ.exe
868	BOQ.exe
868	BOQ.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1656	BOQ.exe
Token: SeDebugPrivilege	868	BOQ.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
868	BOQ.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1140	1656	BOQ.exe	26
PID 1656 wrote to memory of 1140	1656	BOQ.exe	26
PID 1656 wrote to memory of 1140	1656	BOQ.exe	26
PID 1656 wrote to memory of 1140	1656	BOQ.exe	26
PID 1656 wrote to memory of 1332	1656	BOQ.exe	27
PID 1656 wrote to memory of 1332	1656	BOQ.exe	27
PID 1656 wrote to memory of 1332	1656	BOQ.exe	27
PID 1656 wrote to memory of 1332	1656	BOQ.exe	27
PID 1656 wrote to memory of 1308	1656	BOQ.exe	28
PID 1656 wrote to memory of 1308	1656	BOQ.exe	28
PID 1656 wrote to memory of 1308	1656	BOQ.exe	28
PID 1656 wrote to memory of 1308	1656	BOQ.exe	28
PID 1656 wrote to memory of 868	1656	BOQ.exe	29
PID 1656 wrote to memory of 868	1656	BOQ.exe	29
PID 1656 wrote to memory of 868	1656	BOQ.exe	29
PID 1656 wrote to memory of 868	1656	BOQ.exe	29
PID 1656 wrote to memory of 868	1656	BOQ.exe	29
PID 1656 wrote to memory of 868	1656	BOQ.exe	29
PID 1656 wrote to memory of 868	1656	BOQ.exe	29
PID 1656 wrote to memory of 868	1656	BOQ.exe	29
PID 1656 wrote to memory of 868	1656	BOQ.exe	29
PID 868 wrote to memory of 1820	868	BOQ.exe	34
PID 868 wrote to memory of 1820	868	BOQ.exe	34
PID 868 wrote to memory of 1820	868	BOQ.exe	34
PID 868 wrote to memory of 1820	868	BOQ.exe	34

C:\Users\Admin\AppData\Local\Temp\BOQ.exe
"C:\Users\Admin\AppData\Local\Temp\BOQ.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Local\Temp\BOQ.exe
  "C:\Users\Admin\AppData\Local\Temp\BOQ.exe"
  2⤵
  PID:1140
- C:\Users\Admin\AppData\Local\Temp\BOQ.exe
  "C:\Users\Admin\AppData\Local\Temp\BOQ.exe"
  2⤵
  PID:1332
- C:\Users\Admin\AppData\Local\Temp\BOQ.exe
  "C:\Users\Admin\AppData\Local\Temp\BOQ.exe"
  2⤵
  PID:1308
- C:\Users\Admin\AppData\Local\Temp\BOQ.exe
  "C:\Users\Admin\AppData\Local\Temp\BOQ.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:868
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:1820

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/868-0-0x0000000000400000-0x0000000000452000-memory.dmp

Download

memory/868-2-0x0000000000400000-0x0000000000452000-memory.dmp

Download

memory/868-3-0x0000000000400000-0x0000000000452000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads