agenttesla | 3eb4f885f807167c64e5e02dd97cc5c90745ab1637b83fa41c91c470ba2900a5

General

Target

Proforma Invoice.exe
Size

720KB
MD5

45f814f560cf45ab1b6207096e13fb58
SHA1

6a2dfa8145e3dfd7c7c66734b7aa4cc994a492b8
SHA256

3081a88581628513f3aeeb4a8a1749302968130017accaef9494458553d19091
SHA512

badcc7052929ef71ed0e2836354fd41bbb13f39857141ba30fc968e9d861060dd209b1d372bc8f9b619711455b5cd36ffb0e36690afabc5717e4cc9f12eb9b83
SSDEEP

12288:+3/9++rrv3dfF4BWOlQoWO7khcRF7NgaB0lDz+d2R+dRg:+31RrrFfF4BWON7kDZUdK

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.procetfreight.co.ke
Port:
587
Username:
[email protected]
Password:
Akass12345#@

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2852-14-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2852-17-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2852-21-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2852-19-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2852-13-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Proforma Invoice.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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 3 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

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma Invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma Invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma Invoice.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3024 set thread context of 2852	3024	Proforma Invoice.exe	33

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	Proforma Invoice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Proforma Invoice.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
1644	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3024	Proforma Invoice.exe
3024	Proforma Invoice.exe
3024	Proforma Invoice.exe
3024	Proforma Invoice.exe
2852	Proforma Invoice.exe
2852	Proforma Invoice.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3024	Proforma Invoice.exe
Token: SeDebugPrivilege	2852	Proforma Invoice.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 1644	3024	Proforma Invoice.exe	31
PID 3024 wrote to memory of 1644	3024	Proforma Invoice.exe	31
PID 3024 wrote to memory of 1644	3024	Proforma Invoice.exe	31
PID 3024 wrote to memory of 1644	3024	Proforma Invoice.exe	31
PID 3024 wrote to memory of 2852	3024	Proforma Invoice.exe	33
PID 3024 wrote to memory of 2852	3024	Proforma Invoice.exe	33
PID 3024 wrote to memory of 2852	3024	Proforma Invoice.exe	33
PID 3024 wrote to memory of 2852	3024	Proforma Invoice.exe	33
PID 3024 wrote to memory of 2852	3024	Proforma Invoice.exe	33
PID 3024 wrote to memory of 2852	3024	Proforma Invoice.exe	33
PID 3024 wrote to memory of 2852	3024	Proforma Invoice.exe	33
PID 3024 wrote to memory of 2852	3024	Proforma Invoice.exe	33
PID 3024 wrote to memory of 2852	3024	Proforma Invoice.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma Invoice.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma Invoice.exe

C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fdaNuJezSOVc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8121.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1644
- C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\tmp8121.tmp

Filesize
1KB

MD5
050b9b3fc41bda25a6dbbc1fe23b7863

SHA1
939ef8034daed8e08acf5b999bf1fd2bac98cbfd

SHA256
e320f9722463a3be98edf15757383a03a514b5003e83f2bb98a8eaa3fda6f70f

SHA512
da3d5f387bc8254965b0d9d5d36f7fa06705bed1373c9e7740a2384528970192b054cd71c7d76debf6c13d320a30eb774fddc6b9350b948d2a9fe8960e6238f5

Download Submit
memory/2852-12-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2852-19-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2852-14-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2852-24-0x0000000074E60000-0x000000007554E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-17-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2852-22-0x0000000074E60000-0x000000007554E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-11-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2852-21-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2852-26-0x0000000074E60000-0x000000007554E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-13-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2852-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3024-6-0x0000000005700000-0x000000000577E000-memory.dmp

Filesize
504KB

Download
memory/3024-1-0x0000000000E30000-0x0000000000EEA000-memory.dmp

Filesize
744KB

Download
memory/3024-23-0x0000000074E60000-0x000000007554E000-memory.dmp

Filesize
6.9MB

Download
memory/3024-0-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

Filesize
4KB

Download
memory/3024-7-0x0000000005780000-0x0000000005800000-memory.dmp

Filesize
512KB

Download
memory/3024-2-0x0000000074E60000-0x000000007554E000-memory.dmp

Filesize
6.9MB

Download
memory/3024-5-0x0000000074E60000-0x000000007554E000-memory.dmp

Filesize
6.9MB

Download
memory/3024-4-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

Filesize
4KB

Download
memory/3024-3-0x0000000000490000-0x00000000004A2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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