agenttesla | d6da864003f7e52db5c94d1381b7ac890f3dcfae1dfd2dc245e8a18a6590d29a

General

Target

shipping documents.exe
Size

779KB
MD5

6bb964b13d7d40f9154178dcd5aef0b2
SHA1

d8c1b8b31565af7457ba8e6deb0bd6cb5ed4c6db
SHA256

7abd614a718eae6e0544e6828c834f275248093b5d807b7cc5c4de975dc7abc9
SHA512

7afb160ab3792943c8521c5551d011f19bd9bbaa91f8151b1f4198050ab9179ce5a130c75692d8c43ca4afb9f02b0c2375af20e6638cf0879939478bb77134da
SSDEEP

12288:a8XWXV7OeKYoX1hIlvJnvuejh2iUGxZ37v3BICEQXhGgqkN7HuK:wOeKYFSejhmOrRInOhGEx

Score

10^/10

agenttesla discovery execution 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
Agenttesla family
agenttesla

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2132	powershell.exe
2400	powershell.exe

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-1-5-21-4177215427-74451935-3209572229-1000\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 2172 set thread context of 2724	2172	shipping documents.exe	37

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 5 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	shipping documents.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2172	shipping documents.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2172	shipping documents.exe
2132	powershell.exe
2400	powershell.exe
2172	shipping documents.exe
2724	RegSvcs.exe
2724	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	shipping documents.exe
Token: SeDebugPrivilege	2132	powershell.exe
Token: SeDebugPrivilege	2400	powershell.exe
Token: SeDebugPrivilege	2724	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2724	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2400	2172	shipping documents.exe	31
PID 2172 wrote to memory of 2400	2172	shipping documents.exe	31
PID 2172 wrote to memory of 2400	2172	shipping documents.exe	31
PID 2172 wrote to memory of 2400	2172	shipping documents.exe	31
PID 2172 wrote to memory of 2132	2172	shipping documents.exe	33
PID 2172 wrote to memory of 2132	2172	shipping documents.exe	33
PID 2172 wrote to memory of 2132	2172	shipping documents.exe	33
PID 2172 wrote to memory of 2132	2172	shipping documents.exe	33
PID 2172 wrote to memory of 2708	2172	shipping documents.exe	35
PID 2172 wrote to memory of 2708	2172	shipping documents.exe	35
PID 2172 wrote to memory of 2708	2172	shipping documents.exe	35
PID 2172 wrote to memory of 2708	2172	shipping documents.exe	35
PID 2172 wrote to memory of 2724	2172	shipping documents.exe	37
PID 2172 wrote to memory of 2724	2172	shipping documents.exe	37
PID 2172 wrote to memory of 2724	2172	shipping documents.exe	37
PID 2172 wrote to memory of 2724	2172	shipping documents.exe	37
PID 2172 wrote to memory of 2724	2172	shipping documents.exe	37
PID 2172 wrote to memory of 2724	2172	shipping documents.exe	37
PID 2172 wrote to memory of 2724	2172	shipping documents.exe	37
PID 2172 wrote to memory of 2724	2172	shipping documents.exe	37
PID 2172 wrote to memory of 2724	2172	shipping documents.exe	37
PID 2172 wrote to memory of 2724	2172	shipping documents.exe	37
PID 2172 wrote to memory of 2724	2172	shipping documents.exe	37
PID 2172 wrote to memory of 2724	2172	shipping documents.exe	37

C:\Users\Admin\AppData\Local\Temp\shipping documents.exe
"C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2400
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AZUARB.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2132
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AZUARB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB37.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2708
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB37.tmp

Filesize
1KB

MD5
e450eb4e8e3ed046b0be1fa723052ae8

SHA1
ee0ff2548792e5db0b3ceff78816500ed659a6a6

SHA256
5a2d7c67a775e25383f53d0aedd8879c658993223a5c733b8c571b6ad675fa14

SHA512
e4571c67a9562c79eaca4ff9f51e875e66ef26eca5e4442c91535ad1e4e055bdfde549962e59cc923592a4c935f5f848d7377c434333f612d3fc820109c7bb11

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0NHV7UHQ30LQ16EZNP1C.temp

Filesize
7KB

MD5
bdbb8951ec55d95a928456a9f2039b64

SHA1
c4a24c4908da2ba261d13614442147295410a66b

SHA256
e4340bb053a92133852e35970e9e0b4cb87253caa68420e5f5b69cb233fd3699

SHA512
a4428d4642a81e60f6b8f5e62aead4b91babec21c39328f031294dd1e75ad7fcaaa8b822669a102280a5a8a2fbce937043f6f23f3c8aaa87863e6883d4004031

Download Submit
memory/2172-4-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/2172-32-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2172-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/2172-5-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2172-6-0x0000000000210000-0x0000000000296000-memory.dmp

Filesize
536KB

Download
memory/2172-2-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2172-1-0x0000000000B30000-0x0000000000BFA000-memory.dmp

Filesize
808KB

Download
memory/2172-3-0x00000000004D0000-0x00000000004F6000-memory.dmp

Filesize
152KB

Download
memory/2724-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2724-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2724-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2724-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2724-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2724-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2724-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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