agenttesla | 85a7b4ed3f550ab6acea6d3daa78389926d90d99abc6b74ea3556a43907b5866

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/07/2024, 11:11

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General

Target

Loader.exe
Size

1.8MB
MD5

af942eb89801ce13916b5eecbd060bba
SHA1

65e0d7c0c134cd2b295ea6c123c064cf86f5321e
SHA256

85a7b4ed3f550ab6acea6d3daa78389926d90d99abc6b74ea3556a43907b5866
SHA512

7da265793fe4b35c261a8a00238ad91cecd8d4a07303e06893cb3516c7e7f6156b5898d0db0576adfce23deb001d22c45bdf5885e5a0b239e558aba8a5ccbdfa
SSDEEP

24576:xITMvRFhRRbNWoCfkYSEH3OqtwIuXFJeRqR21rDTfQPvQr:xITYbNbNWo4kSH3OqtwIq+qR21rDH

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral1/memory/1828-7-0x00000000056F0000-0x0000000005904000-memory.dmp	family_agenttesla

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3620	timeout.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	Loader.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	Loader.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	Loader.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1828	Loader.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1828 wrote to memory of 4956	1828	Loader.exe	82
PID 1828 wrote to memory of 4956	1828	Loader.exe	82
PID 1828 wrote to memory of 4956	1828	Loader.exe	82
PID 4956 wrote to memory of 1168	4956	cmd.exe	84
PID 4956 wrote to memory of 1168	4956	cmd.exe	84
PID 4956 wrote to memory of 1168	4956	cmd.exe	84
PID 1168 wrote to memory of 3620	1168	cmd.exe	86
PID 1168 wrote to memory of 3620	1168	cmd.exe	86
PID 1168 wrote to memory of 3620	1168	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c start cmd /C "color b && title Error && echo You must run the function KeyAuthApp.init(); first && timeout /t 5"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4956
- - C:\Windows\SysWOW64\cmd.exe
    cmd /C "color b && title Error && echo You must run the function KeyAuthApp.init(); first && timeout /t 5"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1168
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 5
      4⤵
      Delays execution with timeout.exe
      PID:3620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1828-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/1828-1-0x0000000000020000-0x00000000001FC000-memory.dmp

Filesize
1.9MB

Download
memory/1828-2-0x0000000005140000-0x00000000056E4000-memory.dmp

Filesize
5.6MB

Download
memory/1828-3-0x0000000004C30000-0x0000000004CC2000-memory.dmp

Filesize
584KB

Download
memory/1828-4-0x0000000004BB0000-0x0000000004BC2000-memory.dmp

Filesize
72KB

Download
memory/1828-5-0x0000000004DC0000-0x0000000004DCA000-memory.dmp

Filesize
40KB

Download
memory/1828-6-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1828-7-0x00000000056F0000-0x0000000005904000-memory.dmp

Filesize
2.1MB

Download
memory/1828-8-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1828-9-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/1828-11-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/1828-15-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download