agenttesla | db48a21a6f575ca9f5faddfa9fe6f72e0b261579b2e0182440c7a2dbb943b355

Analysis

max time kernel
98s
max time network
88s
platform
windows10_x64
resource
win10v20210408
submitted
21/09/2021, 00:27

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General

Target
CATLOGUE.exe
Size 240KB
Sample210921-arrwnaffe4
SHA256 db48a21a6f575ca9f5faddfa9fe6f72e0b261579b2e0182440c7a2dbb943b355
MD5 fafeb784d7ac5fcce8df74a9015cb660
SHA1 2aca288c2ebc458d6bef97f7e26ea78d85c78312
SHA512 8e33ea86985cbab4f88f210b47b7764239a41e9ae7179142167b828150fb2d4637f807435c85b4e3556e74e65d7c8b4bf856314dcc31de3b620c7b22902546bc
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.medicare-equipment.com
Port
587
Username
[email protected]
Password
AllTheBest777

Signatures

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

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/792-116-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/792-120-0x0000000005560000-0x0000000005A5E000-memory.dmp	family_agenttesla

Loads dropped DLL 1 IoCs

pid	Process
532	CATLOGUE.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 532 set thread context of 792	532	CATLOGUE.exe	68

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
792	MSBuild.exe
792	MSBuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
532	CATLOGUE.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	792	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
792	MSBuild.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 792	532	CATLOGUE.exe	68
PID 532 wrote to memory of 792	532	CATLOGUE.exe	68
PID 532 wrote to memory of 792	532	CATLOGUE.exe	68
PID 532 wrote to memory of 792	532	CATLOGUE.exe	68

C:\Users\Admin\AppData\Local\Temp\CATLOGUE.exe
"C:\Users\Admin\AppData\Local\Temp\CATLOGUE.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:532
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Users\Admin\AppData\Local\Temp\CATLOGUE.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:792

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/792-116-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/792-118-0x0000000005A60000-0x0000000005A61000-memory.dmp

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memory/792-119-0x00000000057C0000-0x00000000057C1000-memory.dmp

Download

memory/792-120-0x0000000005560000-0x0000000005A5E000-memory.dmp

Download

memory/792-121-0x0000000006250000-0x0000000006251000-memory.dmp

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memory/792-122-0x00000000063E0000-0x00000000063E1000-memory.dmp

Download

memory/792-123-0x0000000006AE0000-0x0000000006AE1000-memory.dmp

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memory/792-124-0x0000000001460000-0x0000000001461000-memory.dmp

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