agenttesla | 751dffc7391890afbcb40a55e29bd319d8b4a9e2e0438c5f5939ac09ab6ae297

General

Target

885b6003eb683aeccb927d2a9bc82b3c.exe
Size

543KB
MD5

885b6003eb683aeccb927d2a9bc82b3c
SHA1

c6d26dd4ae0edccd52a6afa7bb48239fb1f607b8
SHA256

751dffc7391890afbcb40a55e29bd319d8b4a9e2e0438c5f5939ac09ab6ae297
SHA512

2b03ef553cc2ac38d118346ab5a2f0f2abd49c06ade5b2fcfba95d10ebd77801bdb65fe53a2ceac281cccb3d83de4cc7f7d912cc6ca129b10412b19cfc603510

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
bh-58.webhostbox.net
Port:
587
Username:
[email protected]
Password:
7213575aceACE@#$

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/1620-0-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1620-1-0x0000000000446D5E-mapping.dmp	family_agenttesla
behavioral1/memory/1620-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1620-3-0x0000000000400000-0x000000000044C000-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-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\prosper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\prosper\\prosper.exe"	885b6003eb683aeccb927d2a9bc82b3c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 316 set thread context of 1620	316	885b6003eb683aeccb927d2a9bc82b3c.exe	24

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1620	885b6003eb683aeccb927d2a9bc82b3c.exe
1620	885b6003eb683aeccb927d2a9bc82b3c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	885b6003eb683aeccb927d2a9bc82b3c.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1620	885b6003eb683aeccb927d2a9bc82b3c.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 1620	316	885b6003eb683aeccb927d2a9bc82b3c.exe	24
PID 316 wrote to memory of 1620	316	885b6003eb683aeccb927d2a9bc82b3c.exe	24
PID 316 wrote to memory of 1620	316	885b6003eb683aeccb927d2a9bc82b3c.exe	24
PID 316 wrote to memory of 1620	316	885b6003eb683aeccb927d2a9bc82b3c.exe	24
PID 316 wrote to memory of 1620	316	885b6003eb683aeccb927d2a9bc82b3c.exe	24
PID 316 wrote to memory of 1620	316	885b6003eb683aeccb927d2a9bc82b3c.exe	24
PID 316 wrote to memory of 1620	316	885b6003eb683aeccb927d2a9bc82b3c.exe	24
PID 316 wrote to memory of 1620	316	885b6003eb683aeccb927d2a9bc82b3c.exe	24
PID 316 wrote to memory of 1620	316	885b6003eb683aeccb927d2a9bc82b3c.exe	24

C:\Users\Admin\AppData\Local\Temp\885b6003eb683aeccb927d2a9bc82b3c.exe
"C:\Users\Admin\AppData\Local\Temp\885b6003eb683aeccb927d2a9bc82b3c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:316
- C:\Users\Admin\AppData\Local\Temp\885b6003eb683aeccb927d2a9bc82b3c.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1620

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

Replay Monitor

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Downloads

memory/1620-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1620-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1620-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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