agenttesla | 8c9aaf55abdaf2a893d56dc0ff3f3e37ec100a6e0ad0adf82f2cff4997112e12

General

Target

Halkbank_Ekstre_20230922_080757_783952.pdf.exe
Size

681KB
MD5

53483243c640b8970c9a3ff9104566fa
SHA1

d37897805dbb2cb3baa073632a945d09f2e63681
SHA256

8c9aaf55abdaf2a893d56dc0ff3f3e37ec100a6e0ad0adf82f2cff4997112e12
SHA512

7389847c1c3b7ace48043bb43c2daa5bdf9f9ad7bf57b74062e8f6f044fcc4d4150a5627409a7676178bf9aee91eba6cf2089c472e2da10151bd405d38411eb6
SSDEEP

12288:JrD6YuMnVTZsTvHAJ/FvspW+Pz7IEfwxechfKTxdIl0HKSzTKp0K:hD9uMnVdsTYJ/Ts/IYwxDudbhK

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.netre-agro.com
Port:
587
Username:
[email protected]
Password:
Calidon@2023

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.netre-agro.com
Port:
587
Username:
[email protected]
Password:
Calidon@2023
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230922_080757_783952.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230922_080757_783952.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230922_080757_783952.pdf.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-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\plQRn125evan = "C:\\Users\\Admin\\AppData\\Roaming\\plQRn125evan\\plQRn125evan.exe"	Halkbank_Ekstre_20230922_080757_783952.pdf.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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1880 set thread context of 2520	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
2492	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe
1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe
2520	Halkbank_Ekstre_20230922_080757_783952.pdf.exe
2520	Halkbank_Ekstre_20230922_080757_783952.pdf.exe
2828	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe
Token: SeDebugPrivilege	2520	Halkbank_Ekstre_20230922_080757_783952.pdf.exe
Token: SeDebugPrivilege	2828	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 2828	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	30
PID 1880 wrote to memory of 2828	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	30
PID 1880 wrote to memory of 2828	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	30
PID 1880 wrote to memory of 2828	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	30
PID 1880 wrote to memory of 2492	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	32
PID 1880 wrote to memory of 2492	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	32
PID 1880 wrote to memory of 2492	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	32
PID 1880 wrote to memory of 2492	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	32
PID 1880 wrote to memory of 1740	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	34
PID 1880 wrote to memory of 1740	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	34
PID 1880 wrote to memory of 1740	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	34
PID 1880 wrote to memory of 1740	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	34
PID 1880 wrote to memory of 2520	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	35
PID 1880 wrote to memory of 2520	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	35
PID 1880 wrote to memory of 2520	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	35
PID 1880 wrote to memory of 2520	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	35
PID 1880 wrote to memory of 2520	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	35
PID 1880 wrote to memory of 2520	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	35
PID 1880 wrote to memory of 2520	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	35
PID 1880 wrote to memory of 2520	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	35
PID 1880 wrote to memory of 2520	1880	Halkbank_Ekstre_20230922_080757_783952.pdf.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230922_080757_783952.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank_Ekstre_20230922_080757_783952.pdf.exe

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230922_080757_783952.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230922_080757_783952.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NcbzfWtVnVcgq.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2828
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NcbzfWtVnVcgq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDCE7.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2492
- C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230922_080757_783952.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230922_080757_783952.pdf.exe"
  2⤵
  PID:1740
- C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230922_080757_783952.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20230922_080757_783952.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDCE7.tmp

Filesize
1KB

MD5
67363439447a5dd2a1b2c336450687f7

SHA1
b9d17bbef32c495fc628a2bfe66f157e77fa0b5a

SHA256
95751b1d7b6feab24ef4e6f7f8fa23b79fe21b7c96c659163c17c0483d1c0e36

SHA512
9e4db90118e471dc6cf75273179ff1cf3d31d48576b37c9a14db9b9d8ff65db36cbfeb6471cd0fb3b9d1685c4e5bf42d2071d1a3eb64ecfc98308b7a96686c1a

Download Submit
memory/1880-0-0x0000000000DB0000-0x0000000000E60000-memory.dmp

Filesize
704KB

Download
memory/1880-1-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1880-2-0x00000000006F0000-0x0000000000730000-memory.dmp

Filesize
256KB

Download
memory/1880-3-0x0000000000650000-0x000000000066A000-memory.dmp

Filesize
104KB

Download
memory/1880-4-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1880-5-0x00000000006F0000-0x0000000000730000-memory.dmp

Filesize
256KB

Download
memory/1880-6-0x00000000004A0000-0x00000000004AA000-memory.dmp

Filesize
40KB

Download
memory/1880-7-0x0000000000670000-0x000000000067C000-memory.dmp

Filesize
48KB

Download
memory/1880-8-0x00000000058F0000-0x000000000596E000-memory.dmp

Filesize
504KB

Download
memory/1880-22-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2520-25-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2520-15-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2520-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2520-20-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2520-23-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2520-16-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2520-17-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2520-28-0x0000000073020000-0x000000007370E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-29-0x0000000004970000-0x00000000049B0000-memory.dmp

Filesize
256KB

Download
memory/2520-36-0x0000000004970000-0x00000000049B0000-memory.dmp

Filesize
256KB

Download
memory/2520-35-0x0000000073020000-0x000000007370E000-memory.dmp

Filesize
6.9MB

Download
memory/2828-32-0x0000000002350000-0x0000000002390000-memory.dmp

Filesize
256KB

Download
memory/2828-33-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2828-31-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2828-30-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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