agenttesla | cfbe31fb23e2883dfe7e375b40c17c8d666e44f3d814b44f504792000c2b54d7

General

Target

c635h0xsMSHcfHh.exe
Size

484KB
MD5

52115771fbb6cf6c19efa25341659cc9
SHA1

c8467e8567e39b6ba7b854ba616fb2d6b1ae6dcf
SHA256

56d3195601565b122137b9d48f27db87d1cc83da7f5aca7720d128cf2044cefc
SHA512

fa38ef613adc5a4344ba469daeef3336629465def1eb24dc71cf3d45d90181d096c49c2581ecf1dc5e002b06658e8bfab4f4c1c57d1b9fda1971fc22c607ec00

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
kelechi12

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2000-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2000-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2000-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2000-67-0x0000000000446F8E-mapping.dmp	family_agenttesla
behavioral1/memory/2000-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2000-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_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:

c635h0xsMSHcfHh.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c635h0xsMSHcfHh.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c635h0xsMSHcfHh.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c635h0xsMSHcfHh.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c635h0xsMSHcfHh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\fWupL = "C:\\Users\\Admin\\AppData\\Roaming\\fWupL\\fWupL.exe"	c635h0xsMSHcfHh.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c635h0xsMSHcfHh.exe

description pid process target process

PID 1276 set thread context of 2000 1276 c635h0xsMSHcfHh.exe c635h0xsMSHcfHh.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

2040 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

c635h0xsMSHcfHh.exec635h0xsMSHcfHh.exe

pid process

1276 c635h0xsMSHcfHh.exe
1276 c635h0xsMSHcfHh.exe
2000 c635h0xsMSHcfHh.exe
2000 c635h0xsMSHcfHh.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

c635h0xsMSHcfHh.exec635h0xsMSHcfHh.exe

description pid process

Token: SeDebugPrivilege 1276 c635h0xsMSHcfHh.exe
Token: SeDebugPrivilege 2000 c635h0xsMSHcfHh.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

c635h0xsMSHcfHh.exe

pid process

2000 c635h0xsMSHcfHh.exe

description	pid	process	target process
PID 1276 set thread context of 2000	1276	c635h0xsMSHcfHh.exe	c635h0xsMSHcfHh.exe

pid	process
2040	schtasks.exe

pid	process
1276	c635h0xsMSHcfHh.exe
1276	c635h0xsMSHcfHh.exe
2000	c635h0xsMSHcfHh.exe
2000	c635h0xsMSHcfHh.exe

description	pid	process
Token: SeDebugPrivilege	1276	c635h0xsMSHcfHh.exe
Token: SeDebugPrivilege	2000	c635h0xsMSHcfHh.exe

pid	process
2000	c635h0xsMSHcfHh.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

c635h0xsMSHcfHh.exe

description	pid	process	target process
PID 1276 wrote to memory of 2040	1276	c635h0xsMSHcfHh.exe	schtasks.exe
PID 1276 wrote to memory of 2040	1276	c635h0xsMSHcfHh.exe	schtasks.exe
PID 1276 wrote to memory of 2040	1276	c635h0xsMSHcfHh.exe	schtasks.exe
PID 1276 wrote to memory of 2040	1276	c635h0xsMSHcfHh.exe	schtasks.exe
PID 1276 wrote to memory of 2000	1276	c635h0xsMSHcfHh.exe	c635h0xsMSHcfHh.exe
PID 1276 wrote to memory of 2000	1276	c635h0xsMSHcfHh.exe	c635h0xsMSHcfHh.exe
PID 1276 wrote to memory of 2000	1276	c635h0xsMSHcfHh.exe	c635h0xsMSHcfHh.exe
PID 1276 wrote to memory of 2000	1276	c635h0xsMSHcfHh.exe	c635h0xsMSHcfHh.exe
PID 1276 wrote to memory of 2000	1276	c635h0xsMSHcfHh.exe	c635h0xsMSHcfHh.exe
PID 1276 wrote to memory of 2000	1276	c635h0xsMSHcfHh.exe	c635h0xsMSHcfHh.exe
PID 1276 wrote to memory of 2000	1276	c635h0xsMSHcfHh.exe	c635h0xsMSHcfHh.exe
PID 1276 wrote to memory of 2000	1276	c635h0xsMSHcfHh.exe	c635h0xsMSHcfHh.exe
PID 1276 wrote to memory of 2000	1276	c635h0xsMSHcfHh.exe	c635h0xsMSHcfHh.exe

outlook_office_path 1 IoCs

Processes:

c635h0xsMSHcfHh.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c635h0xsMSHcfHh.exe

outlook_win_path 1 IoCs

Processes:

c635h0xsMSHcfHh.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c635h0xsMSHcfHh.exe

C:\Users\Admin\AppData\Local\Temp\c635h0xsMSHcfHh.exe
"C:\Users\Admin\AppData\Local\Temp\c635h0xsMSHcfHh.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1276

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QFAEPa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA31.tmp"
2⤵
- Creates scheduled task(s)
PID:2040

C:\Users\Admin\AppData\Local\Temp\c635h0xsMSHcfHh.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2000

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

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\tmpEA31.tmp
Filesize
1KB

MD5
78292d6b99efdffe07a745dc044fc30a

SHA1
cb7788e8cc852e1c8ea8232eba959f73fcb51fc2

SHA256
8703b63f45ac74cc38e1c1852762870f6943be42b4f3e72be3addff26d5dd9d0

SHA512
01c4d47d8be41f22ab13d97bc38806a599c438d911b6cf5d809ae6a38a99163e761efa9eaec3bb6769a0e820ca0aa187d0959966e0c7ee2beb8a4ff164cbe3a6

Download Submit
memory/1276-57-0x0000000004750000-0x00000000047B6000-memory.dmp

Filesize
408KB

Download
memory/1276-55-0x0000000076C01000-0x0000000076C03000-memory.dmp

Filesize
8KB

Download
memory/1276-54-0x0000000000380000-0x0000000000400000-memory.dmp

Filesize
512KB

Download
memory/1276-58-0x00000000002F0000-0x000000000033C000-memory.dmp

Filesize
304KB

Download
memory/1276-56-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2000-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-67-0x0000000000446F8E-mapping.dmp

Download
memory/2000-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2040-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads