agenttesla | 02c460bda27f5171c39df0fa18b8c103c0b9a5aed1a1a114b51e3b6758e77364

General

Target

ctf.exe
Size

696KB
MD5

8873c4eb8f79f88b60242a627d281d97
SHA1

9dd890362ea4edbca5180083c135455942e29c4c
SHA256

02c460bda27f5171c39df0fa18b8c103c0b9a5aed1a1a114b51e3b6758e77364
SHA512

4edfbfebd9762e8fd542e2096b66e913f83b6c53fac78ead9f620dac9a603cbb1d0749b22270beb9f25eaaf20100f6f6f1924aa3b57534709495235ae7ae4b1f

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.storewel.com
Port:
587
Username:
hr@storewel.com
Password:
windows8.1#

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.storewel.com
Port:
587
Username:
hr@storewel.com
Password:
windows8.1#

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

ctf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ctf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ctf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ctf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ctf.exe

description pid process target process

PID 292 set thread context of 1028 292 ctf.exe ctf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

1252 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

ctf.exepowershell.exe

pid process

1028 ctf.exe
1028 ctf.exe
1172 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ctf.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1028 ctf.exe
Token: SeDebugPrivilege 1172 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ctf.exe

pid process

1028 ctf.exe

description	pid	process	target process
PID 292 set thread context of 1028	292	ctf.exe	ctf.exe

pid	process
1252	schtasks.exe

pid	process
1028	ctf.exe
1028	ctf.exe
1172	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1028	ctf.exe
Token: SeDebugPrivilege	1172	powershell.exe

pid	process
1028	ctf.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

ctf.exe

description	pid	process	target process
PID 292 wrote to memory of 1172	292	ctf.exe	powershell.exe
PID 292 wrote to memory of 1172	292	ctf.exe	powershell.exe
PID 292 wrote to memory of 1172	292	ctf.exe	powershell.exe
PID 292 wrote to memory of 1172	292	ctf.exe	powershell.exe
PID 292 wrote to memory of 1252	292	ctf.exe	schtasks.exe
PID 292 wrote to memory of 1252	292	ctf.exe	schtasks.exe
PID 292 wrote to memory of 1252	292	ctf.exe	schtasks.exe
PID 292 wrote to memory of 1252	292	ctf.exe	schtasks.exe
PID 292 wrote to memory of 1028	292	ctf.exe	ctf.exe
PID 292 wrote to memory of 1028	292	ctf.exe	ctf.exe
PID 292 wrote to memory of 1028	292	ctf.exe	ctf.exe
PID 292 wrote to memory of 1028	292	ctf.exe	ctf.exe
PID 292 wrote to memory of 1028	292	ctf.exe	ctf.exe
PID 292 wrote to memory of 1028	292	ctf.exe	ctf.exe
PID 292 wrote to memory of 1028	292	ctf.exe	ctf.exe
PID 292 wrote to memory of 1028	292	ctf.exe	ctf.exe
PID 292 wrote to memory of 1028	292	ctf.exe	ctf.exe

outlook_office_path 1 IoCs

Processes:

ctf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ctf.exe

outlook_win_path 1 IoCs

Processes:

ctf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ctf.exe

C:\Users\Admin\AppData\Local\Temp\ctf.exe
"C:\Users\Admin\AppData\Local\Temp\ctf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:292

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fmNHAnmGvzIS.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1172

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fmNHAnmGvzIS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBCCB.tmp"
2⤵
- Creates scheduled task(s)
PID:1252

C:\Users\Admin\AppData\Local\Temp\ctf.exe
"C:\Users\Admin\AppData\Local\Temp\ctf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1028

Network

MITRE ATT&CK Matrix ATT&CK 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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBCCB.tmp
Filesize
1KB

MD5
cecf8929914ff97efa5d7edfd8f8cdef

SHA1
e4e9ac10f034143912f77ea787652d5629054944

SHA256
3b17be0e0796054d1b66ae03f1291b1513c8c1b1bad23c4044f4ed8104a642e1

SHA512
0b613e7e9d1dd0ac55182dc3cfd83ac0c1f9e7c0358bbfe03943b0f3778ef652cbc048d02a8c84c062996befe45a63632e2e37be461e507374e366e19de4f89c

Download Submit
memory/292-62-0x0000000000E30000-0x0000000000E36000-memory.dmp

Filesize
24KB

Download
memory/292-55-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download
memory/292-56-0x00000000002D0000-0x00000000002DE000-memory.dmp

Filesize
56KB

Download
memory/292-57-0x00000000057E0000-0x000000000587A000-memory.dmp

Filesize
616KB

Download
memory/292-54-0x00000000011D0000-0x000000000127E000-memory.dmp

Filesize
696KB

Download
memory/292-63-0x0000000004950000-0x000000000498E000-memory.dmp

Filesize
248KB

Download
memory/1028-68-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1028-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1028-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1028-67-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1028-69-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1028-70-0x0000000000435C3E-mapping.dmp

Download
memory/1028-72-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1028-74-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1172-58-0x0000000000000000-mapping.dmp

Download
memory/1172-76-0x000000006CEB0000-0x000000006D45B000-memory.dmp

Filesize
5.7MB

Download
memory/1252-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads