agenttesla | 8abcf4a039cbad88b5303cd96c1e0607431af01b037260eda794983845bf8478

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
2804	powershell.exe
2320	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-1-5-21-3063565911-2056067323-3330884624-1000\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 2056 set thread context of 2732	2056	shipping documents.exe	36

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shipping documents.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2056	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
2868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2056	shipping documents.exe
2804	powershell.exe
2320	powershell.exe
2056	shipping documents.exe
2732	RegSvcs.exe
2732	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	shipping documents.exe
Token: SeDebugPrivilege	2804	powershell.exe
Token: SeDebugPrivilege	2320	powershell.exe
Token: SeDebugPrivilege	2732	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2732	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2320	2056	shipping documents.exe	30
PID 2056 wrote to memory of 2320	2056	shipping documents.exe	30
PID 2056 wrote to memory of 2320	2056	shipping documents.exe	30
PID 2056 wrote to memory of 2320	2056	shipping documents.exe	30
PID 2056 wrote to memory of 2804	2056	shipping documents.exe	32
PID 2056 wrote to memory of 2804	2056	shipping documents.exe	32
PID 2056 wrote to memory of 2804	2056	shipping documents.exe	32
PID 2056 wrote to memory of 2804	2056	shipping documents.exe	32
PID 2056 wrote to memory of 2868	2056	shipping documents.exe	34
PID 2056 wrote to memory of 2868	2056	shipping documents.exe	34
PID 2056 wrote to memory of 2868	2056	shipping documents.exe	34
PID 2056 wrote to memory of 2868	2056	shipping documents.exe	34
PID 2056 wrote to memory of 2732	2056	shipping documents.exe	36
PID 2056 wrote to memory of 2732	2056	shipping documents.exe	36
PID 2056 wrote to memory of 2732	2056	shipping documents.exe	36
PID 2056 wrote to memory of 2732	2056	shipping documents.exe	36
PID 2056 wrote to memory of 2732	2056	shipping documents.exe	36
PID 2056 wrote to memory of 2732	2056	shipping documents.exe	36
PID 2056 wrote to memory of 2732	2056	shipping documents.exe	36
PID 2056 wrote to memory of 2732	2056	shipping documents.exe	36
PID 2056 wrote to memory of 2732	2056	shipping documents.exe	36
PID 2056 wrote to memory of 2732	2056	shipping documents.exe	36
PID 2056 wrote to memory of 2732	2056	shipping documents.exe	36
PID 2056 wrote to memory of 2732	2056	shipping documents.exe	36

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:2056
- 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:2320
- 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:2804
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AZUARB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC1AA.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2868
- 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:2732

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\tmpC1AA.tmp

Filesize
1KB

MD5
6fe0614817b1b6a71cdeebd755882637

SHA1
265dae9b5fa577b05e187255eb77382d07fb50de

SHA256
8a625ab3b65ba6d62f7a5559da62fa26e5d2825ba943a41d8b0df5be7a745742

SHA512
39b5cf8548cfbf22ae7a320ecab75c4a528259cf86820fb9b3aade636a546636f147efcce501442e726f9882d39f69550138eff4b142d26e45db68bf4846efef

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
ffed8a4945d71f5755e182584d4097e8

SHA1
61e8d4a7a5c69352f9b818b7b28700f20ec4558b

SHA256
ae1bd69bdf2af027de04c778be647a522711b11060c9a14294af68e364753657

SHA512
c663ecdeba67751018526d0a70636446c82a2058dda8af1e5e1dfa1b529f20197398dde5247f9c1bb8c6a46ed229f26b3344c370b070341fd91cba4c4d1af685

Download Submit
memory/2056-4-0x0000000074DDE000-0x0000000074DDF000-memory.dmp

Filesize
4KB

Download
memory/2056-32-0x0000000074DD0000-0x00000000754BE000-memory.dmp

Filesize
6.9MB

Download
memory/2056-0-0x0000000074DDE000-0x0000000074DDF000-memory.dmp

Filesize
4KB

Download
memory/2056-5-0x0000000074DD0000-0x00000000754BE000-memory.dmp

Filesize
6.9MB

Download
memory/2056-6-0x00000000005B0000-0x0000000000636000-memory.dmp

Filesize
536KB

Download
memory/2056-2-0x0000000074DD0000-0x00000000754BE000-memory.dmp

Filesize
6.9MB

Download
memory/2056-1-0x0000000000350000-0x000000000041A000-memory.dmp

Filesize
808KB

Download
memory/2056-3-0x0000000000680000-0x00000000006A6000-memory.dmp

Filesize
152KB

Download
memory/2732-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2732-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2732-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2732-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2732-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2732-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2732-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads