agenttesla | 49ba87aa6289fa45606deacf3dc0edd27f341dd72c0d021a1d15a65e31a90c36

General

Target

IMG_630_375_10.exe
Size

258KB
MD5

1ceae4d45ed09a9ed4d5c392a7654fa9
SHA1

ee4c9033fbb20d87723cb35333b5009086e9645c
SHA256

9406ad52a87d220e0eae7b7a65a1870a72df536649d9600aca18ddce2263001f
SHA512

79a71995f8b18386e584a1ac58b8ac180f7215b6f6af8adb3a2c893508fcdf5847309b18dae87e28dded6af45e38911c09d7a060b0203ba56d427ef313d36ae9

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
x103860*&1333

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

IMG_630_375_10.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\.notepad.exe\","	IMG_630_375_10.exe

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1480-119-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1480-120-0x000000000043763E-mapping.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

Processes:

IMG_630_375_10.exe

description pid process target process

PID 3728 set thread context of 1480 3728 IMG_630_375_10.exe IMG_630_375_10.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

IMG_630_375_10.exeIMG_630_375_10.exe

pid process

3728 IMG_630_375_10.exe
3728 IMG_630_375_10.exe
1480 IMG_630_375_10.exe
1480 IMG_630_375_10.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

IMG_630_375_10.exeIMG_630_375_10.exe

description pid process

Token: SeDebugPrivilege 3728 IMG_630_375_10.exe
Token: SeDebugPrivilege 1480 IMG_630_375_10.exe

description	pid	process	target process
PID 3728 set thread context of 1480	3728	IMG_630_375_10.exe	IMG_630_375_10.exe

pid	process
3728	IMG_630_375_10.exe
3728	IMG_630_375_10.exe
1480	IMG_630_375_10.exe
1480	IMG_630_375_10.exe

description	pid	process
Token: SeDebugPrivilege	3728	IMG_630_375_10.exe
Token: SeDebugPrivilege	1480	IMG_630_375_10.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

IMG_630_375_10.exe

description	pid	process	target process
PID 3728 wrote to memory of 1480	3728	IMG_630_375_10.exe	IMG_630_375_10.exe
PID 3728 wrote to memory of 1480	3728	IMG_630_375_10.exe	IMG_630_375_10.exe
PID 3728 wrote to memory of 1480	3728	IMG_630_375_10.exe	IMG_630_375_10.exe
PID 3728 wrote to memory of 1480	3728	IMG_630_375_10.exe	IMG_630_375_10.exe
PID 3728 wrote to memory of 1480	3728	IMG_630_375_10.exe	IMG_630_375_10.exe
PID 3728 wrote to memory of 1480	3728	IMG_630_375_10.exe	IMG_630_375_10.exe
PID 3728 wrote to memory of 1480	3728	IMG_630_375_10.exe	IMG_630_375_10.exe
PID 3728 wrote to memory of 1480	3728	IMG_630_375_10.exe	IMG_630_375_10.exe

C:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3728
- C:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exe
  C:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1480

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\IMG_630_375_10.exe.log

MD5
808e884c00533a9eb0e13e64960d9c3a

SHA1
279d05181fc6179a12df1a669ff5d8b64c1380ae

SHA256
2f6a0aab99b1c228a6642f44f8992646ce84c5a2b3b9941b6cf1f2badf67bdd6

SHA512
9489bdb2ffdfeef3c52edcfe9b34c6688eba53eb86075e0564df1cd474723c86b5b5aedc12df1ff5fc12cf97bd1e3cf9701ff61dc4ce90155d70e9ccfd0fc299

Download Submit
memory/1480-119-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1480-120-0x000000000043763E-mapping.dmp

Download
memory/1480-124-0x0000000005670000-0x0000000005671000-memory.dmp

Filesize
4KB

Download
memory/1480-125-0x0000000005170000-0x0000000005171000-memory.dmp

Filesize
4KB

Download
memory/1480-126-0x0000000005130000-0x0000000005131000-memory.dmp

Filesize
4KB

Download
memory/1480-127-0x00000000050F0000-0x00000000050F1000-memory.dmp

Filesize
4KB

Download
memory/1480-128-0x0000000005CD0000-0x0000000005CD1000-memory.dmp

Filesize
4KB

Download
memory/3728-114-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/3728-116-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

Filesize
4KB

Download
memory/3728-117-0x0000000004E70000-0x0000000004E72000-memory.dmp

Filesize
8KB

Download
memory/3728-118-0x00000000059D0000-0x0000000005A0D000-memory.dmp

Filesize
244KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads