agenttesla | 8ffd510513cafe4d5b4812ef693f06dcff7dc4097cccacd1be4ca0d308f3494d

General

Target
BL.exe
Size 1.1MB
Sample210323-33fvqbmd5a
SHA256 8ffd510513cafe4d5b4812ef693f06dcff7dc4097cccacd1be4ca0d308f3494d
MD5 728edaa7792ce1729269bcfc6470160b
SHA1 25fa4da65dc102419adfc25dfa58981ebf935ebb
SHA512 620c2f0598d786d42cca798631645d87c5b58d4f4193ce2475c542f902bb9cc8a35db4b34688219721111ac8d880122bdfb6622cf2580ff98d2faccd3f9390b7
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
us2.smtp.mailhostbox.com
Port
587
Username
[email protected]
Password
project2021blessinggoodgood2222

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral1/memory/1920-8-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1920-9-0x000000000043765E-mapping.dmp	family_agenttesla
behavioral1/memory/1920-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\AvrzbM = "C:\\Users\\Admin\\AppData\\Roaming\\AvrzbM\\AvrzbM.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1908 set thread context of 1920	1908	BL.exe	29

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1920	RegSvcs.exe
1920	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1920	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 1920	1908	BL.exe	29
PID 1908 wrote to memory of 1920	1908	BL.exe	29
PID 1908 wrote to memory of 1920	1908	BL.exe	29
PID 1908 wrote to memory of 1920	1908	BL.exe	29
PID 1908 wrote to memory of 1920	1908	BL.exe	29
PID 1908 wrote to memory of 1920	1908	BL.exe	29
PID 1908 wrote to memory of 1920	1908	BL.exe	29
PID 1908 wrote to memory of 1920	1908	BL.exe	29
PID 1908 wrote to memory of 1920	1908	BL.exe	29
PID 1908 wrote to memory of 1920	1908	BL.exe	29
PID 1908 wrote to memory of 1920	1908	BL.exe	29
PID 1908 wrote to memory of 1920	1908	BL.exe	29

C:\Users\Admin\AppData\Local\Temp\BL.exe
"C:\Users\Admin\AppData\Local\Temp\BL.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1920

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

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1908-2-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Download

memory/1908-3-0x00000000000E0000-0x00000000000E1000-memory.dmp

Download

memory/1908-5-0x0000000000390000-0x000000000039B000-memory.dmp

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memory/1908-6-0x0000000007450000-0x0000000007451000-memory.dmp

Download

memory/1908-7-0x00000000072B0000-0x0000000007348000-memory.dmp

Download

memory/1920-8-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1920-10-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Download

memory/1920-11-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1920-13-0x00000000011F0000-0x00000000011F1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads