agenttesla | 4f974b06ab44d235e6d30c028fb689025f8351cf7de778a18f6a2a60d7159034

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/09/2024, 12:32

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General

Target

τιμολόγια.rtf
Size

604KB
MD5

42ad7b83b1895d01e960c956b3fa6f31
SHA1

f0140678fd3890d9277c6eca53174e8c423fbf08
SHA256

4f974b06ab44d235e6d30c028fb689025f8351cf7de778a18f6a2a60d7159034
SHA512

20b0f48da4dacce8f841cc2dc00f67168e0eab6ed090f889b04b4c9b2481a97c09bd4bbb413dd5c5bce07dba63565398bf3f4642affba7f6fc636e7e4e287f74
SSDEEP

3072:DwAlawAlawAltGLaCO5Yt7PPy1kvC42xq995fSYuw9dkKm4UKEs:DwAYwAYwAW+5YtD/T2yfHuwo5KEs

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
aowapnzgtwgqowgt
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	2328	EQNEDT32.EXE

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1852	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 5 IoCs

pid	Process
2764	pluglocyie79.exe
2180	pluglocyie79.exe
2660	pluglocyie79.exe
1816	pluglocyie79.exe
1640	pluglocyie79.exe

Loads dropped DLL 1 IoCs

pid	Process
2328	EQNEDT32.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 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

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 1640	2764	pluglocyie79.exe	41

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

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 5 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	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQNEDT32.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pluglocyie79.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pluglocyie79.exe

Office loads VBA resources, possible macro or embedded object present

Launches Equation Editor 1 TTPs 1 IoCs

Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

exploit

Exploitation for Client Execution

T1203

pid	Process
2328	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2368	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2764	pluglocyie79.exe
2764	pluglocyie79.exe
2764	pluglocyie79.exe
2764	pluglocyie79.exe
2764	pluglocyie79.exe
2764	pluglocyie79.exe
1640	pluglocyie79.exe
1640	pluglocyie79.exe
1852	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	pluglocyie79.exe
Token: SeDebugPrivilege	1640	pluglocyie79.exe
Token: SeDebugPrivilege	1852	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2368	WINWORD.EXE
2368	WINWORD.EXE

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2764	2328	EQNEDT32.EXE	33
PID 2328 wrote to memory of 2764	2328	EQNEDT32.EXE	33
PID 2328 wrote to memory of 2764	2328	EQNEDT32.EXE	33
PID 2328 wrote to memory of 2764	2328	EQNEDT32.EXE	33
PID 2368 wrote to memory of 2672	2368	WINWORD.EXE	35
PID 2368 wrote to memory of 2672	2368	WINWORD.EXE	35
PID 2368 wrote to memory of 2672	2368	WINWORD.EXE	35
PID 2368 wrote to memory of 2672	2368	WINWORD.EXE	35
PID 2764 wrote to memory of 1852	2764	pluglocyie79.exe	36
PID 2764 wrote to memory of 1852	2764	pluglocyie79.exe	36
PID 2764 wrote to memory of 1852	2764	pluglocyie79.exe	36
PID 2764 wrote to memory of 1852	2764	pluglocyie79.exe	36
PID 2764 wrote to memory of 2180	2764	pluglocyie79.exe	38
PID 2764 wrote to memory of 2180	2764	pluglocyie79.exe	38
PID 2764 wrote to memory of 2180	2764	pluglocyie79.exe	38
PID 2764 wrote to memory of 2180	2764	pluglocyie79.exe	38
PID 2764 wrote to memory of 2660	2764	pluglocyie79.exe	39
PID 2764 wrote to memory of 2660	2764	pluglocyie79.exe	39
PID 2764 wrote to memory of 2660	2764	pluglocyie79.exe	39
PID 2764 wrote to memory of 2660	2764	pluglocyie79.exe	39
PID 2764 wrote to memory of 1816	2764	pluglocyie79.exe	40
PID 2764 wrote to memory of 1816	2764	pluglocyie79.exe	40
PID 2764 wrote to memory of 1816	2764	pluglocyie79.exe	40
PID 2764 wrote to memory of 1816	2764	pluglocyie79.exe	40
PID 2764 wrote to memory of 1640	2764	pluglocyie79.exe	41
PID 2764 wrote to memory of 1640	2764	pluglocyie79.exe	41
PID 2764 wrote to memory of 1640	2764	pluglocyie79.exe	41
PID 2764 wrote to memory of 1640	2764	pluglocyie79.exe	41
PID 2764 wrote to memory of 1640	2764	pluglocyie79.exe	41
PID 2764 wrote to memory of 1640	2764	pluglocyie79.exe	41
PID 2764 wrote to memory of 1640	2764	pluglocyie79.exe	41
PID 2764 wrote to memory of 1640	2764	pluglocyie79.exe	41
PID 2764 wrote to memory of 1640	2764	pluglocyie79.exe	41

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\τιμολόγια.rtf"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2672

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Roaming\pluglocyie79.exe
  "C:\Users\Admin\AppData\Roaming\pluglocyie79.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pluglocyie79.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1852
- - C:\Users\Admin\AppData\Roaming\pluglocyie79.exe
    "C:\Users\Admin\AppData\Roaming\pluglocyie79.exe"
    3⤵
    - Executes dropped EXE
    PID:2180
- - C:\Users\Admin\AppData\Roaming\pluglocyie79.exe
    "C:\Users\Admin\AppData\Roaming\pluglocyie79.exe"
    3⤵
    - Executes dropped EXE
    PID:2660
- - C:\Users\Admin\AppData\Roaming\pluglocyie79.exe
    "C:\Users\Admin\AppData\Roaming\pluglocyie79.exe"
    3⤵
    - Executes dropped EXE
    PID:1816
- - C:\Users\Admin\AppData\Roaming\pluglocyie79.exe
    "C:\Users\Admin\AppData\Roaming\pluglocyie79.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Exploitation for Client Execution

T1203

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

Filesize
19KB

MD5
12816bc5f3ead2d75406de62b485db75

SHA1
da4f3936bbc53cb3b6ec9436abbceaa62b54882b

SHA256
564de43c49e8ef1ccf8412b0649d119aa807b2cf220fbb8f99fa417ff5857d4f

SHA512
888907d2997b895986f8201f209ff070ebd2452f3756f1cccb52b3940c5e4f582643f0553f81735dfef9db338fe40d2f5805cd83fa41a22e287fd8931999c609

Download Submit
\Users\Admin\AppData\Roaming\pluglocyie79.exe

Filesize
854KB

MD5
99853951945715da9e52111bd8182223

SHA1
c5f3366413233a93cef17378a2f2f8bf5c8ea8b7

SHA256
d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c

SHA512
7470cb82871338b9f315b38454d83eac4eef31623720dddbeaeb2285785b1c508320d559424c7a4f42bbd92d141464a79ea53cdf5f18bbef6737578944ccd384

Download Submit
memory/1640-31-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1640-36-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1640-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1640-27-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1640-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1640-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1640-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1640-37-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2368-20-0x00000000711ED000-0x00000000711F8000-memory.dmp

Filesize
44KB

Download
memory/2368-0-0x000000002F041000-0x000000002F042000-memory.dmp

Filesize
4KB

Download
memory/2368-2-0x00000000711ED000-0x00000000711F8000-memory.dmp

Filesize
44KB

Download
memory/2368-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2368-60-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2764-21-0x0000000005280000-0x0000000005302000-memory.dmp

Filesize
520KB

Download
memory/2764-15-0x00000000005C0000-0x00000000005D0000-memory.dmp

Filesize
64KB

Download
memory/2764-14-0x0000000000010000-0x00000000000EC000-memory.dmp

Filesize
880KB

Download