agenttesla | 916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-10-2024 13:00

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General

Target

Purchase_Order.exe
Size

1.1MB
MD5

d2867dd5924bf310d62aa448eb6fbd4f
SHA1

608fd92498d849c1ae0834e3bfc6d0f57139f603
SHA256

916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c
SHA512

c1011e98cbd36f5d3f289c2722fbc8029c5898156d63f04ed44f555feaf6b8ecec20e8c17cfd823896476a49a65522c991a042f9a663a6800fddbbaeb005546e
SSDEEP

24576:ffmMv6Ckr7Mny5QLHbiWlt3zxE1acZi1QDp:f3v+7/5QLHXlle5AK

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
w#chNV#1
Email To:
[email protected]

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZUHFqcY = "C:\\Users\\Admin\\AppData\\Roaming\\ZUHFqcY\\ZUHFqcY.exe"	RegSvcs.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2436 set thread context of 1584	2436	Purchase_Order.exe	30

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase_Order.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1584	RegSvcs.exe
1584	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2436	Purchase_Order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1584	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 1584	2436	Purchase_Order.exe	30
PID 2436 wrote to memory of 1584	2436	Purchase_Order.exe	30
PID 2436 wrote to memory of 1584	2436	Purchase_Order.exe	30
PID 2436 wrote to memory of 1584	2436	Purchase_Order.exe	30
PID 2436 wrote to memory of 1584	2436	Purchase_Order.exe	30
PID 2436 wrote to memory of 1584	2436	Purchase_Order.exe	30
PID 2436 wrote to memory of 1584	2436	Purchase_Order.exe	30
PID 2436 wrote to memory of 1584	2436	Purchase_Order.exe	30

C:\Users\Admin\AppData\Local\Temp\Purchase_Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase_Order.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase_Order.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1584-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1584-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1584-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1584-8-0x000000007413E000-0x000000007413F000-memory.dmp

Filesize
4KB

Download
memory/1584-9-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/1584-11-0x000000007413E000-0x000000007413F000-memory.dmp

Filesize
4KB

Download
memory/1584-12-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-2-0x0000000003AC0000-0x0000000003CC0000-memory.dmp

Filesize
2.0MB

Download