agenttesla | 0d7a4a69f12914329cbff3ca263858dac70c0b5afa1657806129e553fd9e246e

General

Target

purchase order.exe
Size

1.1MB
MD5

153eee5e101ec857b140cca87f264d80
SHA1

e879c0ccbc0d7ed39cc91f9dd3ad9e89cf06594b
SHA256

0d7a4a69f12914329cbff3ca263858dac70c0b5afa1657806129e553fd9e246e
SHA512

0c16b298bf3220a3f39eded3727bb5b9a0a6cd5dbe41d6befdba9ad20b6979ff8fc9929282f41049e298c8f9e5e5dcf207f4a8915f755286b8c2d7674b8ce68d
SSDEEP

24576:ffmMv6Ckr7Mny5QLki/z3093nfJQuXYXxLEnG:f3v+7/5QLj/g9fJQ9Bf

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.starmech.net
Port:
587
Username:
[email protected]
Password:
nics123
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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	RegSvcs.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 2280	2136	purchase order.exe	28

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2264	2136	WerFault.exe	27

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
2280	RegSvcs.exe
2280	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2136	purchase order.exe
2136	purchase order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2136	purchase order.exe
2136	purchase order.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2136	purchase order.exe
2136	purchase order.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2280	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2280	2136	purchase order.exe	28
PID 2136 wrote to memory of 2280	2136	purchase order.exe	28
PID 2136 wrote to memory of 2280	2136	purchase order.exe	28
PID 2136 wrote to memory of 2280	2136	purchase order.exe	28
PID 2136 wrote to memory of 2280	2136	purchase order.exe	28
PID 2136 wrote to memory of 2280	2136	purchase order.exe	28
PID 2136 wrote to memory of 2280	2136	purchase order.exe	28
PID 2136 wrote to memory of 2280	2136	purchase order.exe	28
PID 2136 wrote to memory of 2264	2136	purchase order.exe	29
PID 2136 wrote to memory of 2264	2136	purchase order.exe	29
PID 2136 wrote to memory of 2264	2136	purchase order.exe	29
PID 2136 wrote to memory of 2264	2136	purchase order.exe	29

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 FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2136
- 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
  - Suspicious use of SetWindowsHookEx
  PID:2280
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 396
  2⤵
  - Program crash
  PID:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2136-2-0x0000000003DE0000-0x00000000041E0000-memory.dmp

Filesize
4.0MB

Download
memory/2280-3-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2280-12-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2280-9-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2280-5-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2280-13-0x000000007473E000-0x000000007473F000-memory.dmp

Filesize
4KB

Download
memory/2280-14-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/2280-16-0x000000007473E000-0x000000007473F000-memory.dmp

Filesize
4KB

Download
memory/2280-17-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads