agenttesla | 5d8ce7ae5c35fe83e9be319245bd0bd769e7b663dfe09afdb01251aee288a300

General

Target
HAWB.exe
Size 1.1MB
Sample200731-3rn6cgz892
SHA256 5d8ce7ae5c35fe83e9be319245bd0bd769e7b663dfe09afdb01251aee288a300
MD5 906e504ef66aa4ac3566af29e8f44993
SHA1 3811867824dade7daa140a125ec23a9a2341ecb2
SHA512 112bc8aa1b03f140578b80eab1cb0ccf10d96b814e0c92a947f741cc515167440d6767fd0bbec321685f1b16a5e6a93d7b505e5d8712463bec297e5ca53e73b4
MD5 SHA1 SHA512

Score

10^/10

keylogger stealer spyware trojan agenttesla persistence

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.amexworldwide.com
Port
587
Username
[email protected]
Password
sujit@41#

Signatures

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3228 set thread context of 2672	3228	HAWB.exe	72
PID 2672 set thread context of 3960	2672	RegSvcs.exe	73

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

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-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Windows\CurrentVersion\Run\BAVLA = "C:\\Users\\Admin\\AppData\\Roaming\\BAVLA\\BAVLA.exe"	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3228	HAWB.exe
3228	HAWB.exe
3228	HAWB.exe
2672	RegSvcs.exe
2672	RegSvcs.exe
3960	RegSvcs.exe
3960	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3228 wrote to memory of 2672	3228	HAWB.exe	72
PID 3228 wrote to memory of 2672	3228	HAWB.exe	72
PID 3228 wrote to memory of 2672	3228	HAWB.exe	72
PID 3228 wrote to memory of 2672	3228	HAWB.exe	72
PID 3228 wrote to memory of 2672	3228	HAWB.exe	72
PID 3228 wrote to memory of 2672	3228	HAWB.exe	72
PID 3228 wrote to memory of 2672	3228	HAWB.exe	72
PID 3228 wrote to memory of 2672	3228	HAWB.exe	72
PID 2672 wrote to memory of 3960	2672	RegSvcs.exe	73
PID 2672 wrote to memory of 3960	2672	RegSvcs.exe	73
PID 2672 wrote to memory of 3960	2672	RegSvcs.exe	73
PID 2672 wrote to memory of 3960	2672	RegSvcs.exe	73
PID 2672 wrote to memory of 3960	2672	RegSvcs.exe	73
PID 2672 wrote to memory of 3960	2672	RegSvcs.exe	73
PID 2672 wrote to memory of 3960	2672	RegSvcs.exe	73
PID 2672 wrote to memory of 3960	2672	RegSvcs.exe	73

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

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3228	HAWB.exe
Token: SeDebugPrivilege	2672	RegSvcs.exe
Token: SeDebugPrivilege	3960	RegSvcs.exe

AgentTesla Payload 3 IoCs

keylogger stealer

resource	yara_rule
behavioral2/memory/3960-2-0x0000000000400000-0x000000000044A000-memory.dmp	agent_tesla
behavioral2/memory/3960-2-0x0000000000400000-0x000000000044A000-memory.dmp	agent_tesla
behavioral2/memory/3960-3-0x0000000000445CEE-mapping.dmp	agent_tesla

C:\Users\Admin\AppData\Local\Temp\HAWB.exe
"C:\Users\Admin\AppData\Local\Temp\HAWB.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
PID:3228
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - Suspicious use of AdjustPrivilegeToken
  PID:2672
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
    "{path}"
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3960

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

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2672-0-0x0000000000400000-0x00000000004D4000-memory.dmp

Download

memory/3960-2-0x0000000000400000-0x000000000044A000-memory.dmp