agenttesla | b1d8a3f59acf0ff87a7254825344ea794aacbbcdd5802b1ee71d55b55828af1b

General

Target

New Order.exe
Size

680KB
MD5

8b8285fa83c422b6b412be5d03c6ffa2
SHA1

156d5c6789406b42946d01ff9924b157731142dd
SHA256

397430a16d115d42056de1dca482e0fd9290ce8cbe6c45a614cac0fc85983a72
SHA512

3c7a9815ad44d6f94abe26cbc41dbc986df1a9ae9d6435b166375316667c5999b222d9160c9bbf2554fa888d550cddfbe9c9ea099e2603993cc9ee14c72dc89a

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
connect

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/952-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/952-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/952-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/952-64-0x00000000004470CE-mapping.dmp	family_agenttesla
behavioral1/memory/952-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/952-68-0x0000000000400000-0x000000000044C000-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:

New Order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New Order.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

New Order.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\bVrBv = "C:\\Users\\Admin\\AppData\\Roaming\\bVrBv\\bVrBv.exe"	New Order.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

New Order.exe

description pid process target process

PID 604 set thread context of 952 604 New Order.exe New Order.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

2028 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

New Order.exeNew Order.exe

pid process

604 New Order.exe
604 New Order.exe
604 New Order.exe
604 New Order.exe
604 New Order.exe
952 New Order.exe
952 New Order.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

New Order.exeNew Order.exe

description pid process

Token: SeDebugPrivilege 604 New Order.exe
Token: SeDebugPrivilege 952 New Order.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

New Order.exe

pid process

952 New Order.exe

description	pid	process	target process
PID 604 set thread context of 952	604	New Order.exe	New Order.exe

pid	process
2028	schtasks.exe

pid	process
604	New Order.exe
604	New Order.exe
604	New Order.exe
604	New Order.exe
604	New Order.exe
952	New Order.exe
952	New Order.exe

description	pid	process
Token: SeDebugPrivilege	604	New Order.exe
Token: SeDebugPrivilege	952	New Order.exe

pid	process
952	New Order.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

New Order.exe

description	pid	process	target process
PID 604 wrote to memory of 2028	604	New Order.exe	schtasks.exe
PID 604 wrote to memory of 2028	604	New Order.exe	schtasks.exe
PID 604 wrote to memory of 2028	604	New Order.exe	schtasks.exe
PID 604 wrote to memory of 2028	604	New Order.exe	schtasks.exe
PID 604 wrote to memory of 992	604	New Order.exe	New Order.exe
PID 604 wrote to memory of 992	604	New Order.exe	New Order.exe
PID 604 wrote to memory of 992	604	New Order.exe	New Order.exe
PID 604 wrote to memory of 992	604	New Order.exe	New Order.exe
PID 604 wrote to memory of 952	604	New Order.exe	New Order.exe
PID 604 wrote to memory of 952	604	New Order.exe	New Order.exe
PID 604 wrote to memory of 952	604	New Order.exe	New Order.exe
PID 604 wrote to memory of 952	604	New Order.exe	New Order.exe
PID 604 wrote to memory of 952	604	New Order.exe	New Order.exe
PID 604 wrote to memory of 952	604	New Order.exe	New Order.exe
PID 604 wrote to memory of 952	604	New Order.exe	New Order.exe
PID 604 wrote to memory of 952	604	New Order.exe	New Order.exe
PID 604 wrote to memory of 952	604	New Order.exe	New Order.exe

outlook_office_path 1 IoCs

Processes:

New Order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New Order.exe

outlook_win_path 1 IoCs

Processes:

New Order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New Order.exe

C:\Users\Admin\AppData\Local\Temp\New Order.exe
"C:\Users\Admin\AppData\Local\Temp\New Order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:604

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB887.tmp"
2⤵
- Creates scheduled task(s)
PID:2028

C:\Users\Admin\AppData\Local\Temp\New Order.exe
"{path}"
2⤵
PID:992

C:\Users\Admin\AppData\Local\Temp\New Order.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:952

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

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

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB887.tmp

Filesize
1KB

MD5
d2aa72e1e0a9b7dcb81af5082540153a

SHA1
69f84c985fea812daa2fcfd1941a7d60facb4a7e

SHA256
c7a368be198491672c06e17b5626878b39a06de3bb28c0f028cc3aff46e43d3d

SHA512
541bbb3c838c14bfc2c91d1394a99a72f76ad8c3534da1215336ffdc3d63922d456af573ced60d5dff7f9e70fc1f7c8f3cd8ad997374356ecb784695ea312692

Download Submit
memory/604-55-0x00000000740E0000-0x000000007468B000-memory.dmp

Filesize
5.7MB

Download
memory/604-54-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download
memory/952-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/952-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/952-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/952-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/952-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/952-64-0x00000000004470CE-mapping.dmp

Download
memory/952-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/952-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/952-70-0x0000000074070000-0x000000007461B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads