agenttesla | bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa

General

Target

bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
Size

444KB
MD5

1afedfd0ef55b950eb0de6bc7a640965
SHA1

fdf2346337fe8484521c279e96cdf2e9891113d5
SHA256

bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa
SHA512

f493d930b4aa560326a2afa1b7712c17d64bd0a1b6d8d559036f4a8608faa6dd4e6b0dd270ccb937ee306262fa546196baca884c628e79bfe3863b7c123e352c

Score

10^/10

agenttesla collection keylogger rezer0 spyware stealer trojan

Malware Config

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/892-63-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/892-64-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/892-65-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/892-66-0x000000000045523E-mapping.dmp	family_agenttesla
behavioral1/memory/892-68-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/892-70-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1892-57-0x00000000007F0000-0x0000000000852000-memory.dmp	rezer0

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:

bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe

description	pid	process	target process
PID 1892 set thread context of 892	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.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

1348 schtasks.exe

pid	process
1348	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exebdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe

pid	process
1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exebdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe

description	pid	process
Token: SeDebugPrivilege	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
Token: SeDebugPrivilege	892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe

pid process

892 bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe

pid	process
892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe

outlook_office_path 1 IoCs

Processes:

bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.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	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe

outlook_win_path 1 IoCs

Processes:

bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.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	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe

C:\Users\Admin\AppData\Local\Temp\bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
"C:\Users\Admin\AppData\Local\Temp\bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1892

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OffWXCVfNbq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2FB9.tmp"
2⤵
- Creates scheduled task(s)
PID:1348

C:\Users\Admin\AppData\Local\Temp\bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
"{path}"
2⤵
PID:936

C:\Users\Admin\AppData\Local\Temp\bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:892

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\tmp2FB9.tmp
Filesize
1KB

MD5
b75a62f24d7e892692cf0640cb516f9d

SHA1
6c3b1866408a635ac6663d1c0ffdf542c8660957

SHA256
2f8906806496672b21d6368b43bf1457880d988579f872309fdc5ca64bf99021

SHA512
b21b98ec2bc9b971b551df4a27836df5ff311e2a4676deccf5e8f657e6f379c05151d506f42fa3cb27fd0cf4f36f4d969c1abd9e094f051a47317f3cc48db284

Download Submit
memory/892-64-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/892-66-0x000000000045523E-mapping.dmp

Download
memory/892-72-0x0000000000560000-0x000000000056A000-memory.dmp

Filesize
40KB

Download
memory/892-70-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/892-68-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/892-60-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/892-61-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/892-63-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/892-65-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1348-58-0x0000000000000000-mapping.dmp

Download
memory/1892-54-0x0000000000100000-0x0000000000176000-memory.dmp

Filesize
472KB

Download
memory/1892-56-0x0000000000460000-0x0000000000468000-memory.dmp

Filesize
32KB

Download
memory/1892-55-0x00000000756A1000-0x00000000756A3000-memory.dmp

Filesize
8KB

Download
memory/1892-57-0x00000000007F0000-0x0000000000852000-memory.dmp

Filesize
392KB

Download

description	pid	process	target process
PID 1892 wrote to memory of 1348	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	schtasks.exe
PID 1892 wrote to memory of 1348	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	schtasks.exe
PID 1892 wrote to memory of 1348	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	schtasks.exe
PID 1892 wrote to memory of 1348	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	schtasks.exe
PID 1892 wrote to memory of 936	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
PID 1892 wrote to memory of 936	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
PID 1892 wrote to memory of 936	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
PID 1892 wrote to memory of 936	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
PID 1892 wrote to memory of 892	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
PID 1892 wrote to memory of 892	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
PID 1892 wrote to memory of 892	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
PID 1892 wrote to memory of 892	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
PID 1892 wrote to memory of 892	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
PID 1892 wrote to memory of 892	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
PID 1892 wrote to memory of 892	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
PID 1892 wrote to memory of 892	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe
PID 1892 wrote to memory of 892	1892	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe	bdbb9fb8e618541ba63bd0302971f9299036c27e2c94179f9d8f62f326037faa.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads