agenttesla | 29b62913dff22b807aff95724c4803a015cfbce80f870f64d16757caf12dd9b1

General

Target

PURCHASE ORDER.exe
Size

607KB
MD5

07235191bc4a2cb3bd75667ddaf43950
SHA1

2068b25e2b28889e26395be0c401b6f8c7838cd0
SHA256

0e3e6413a4c2f3666b7ffa43b3b1b13f470875f410a13c0ec6bbd2ddae3bd8cf
SHA512

ffaa3651b51301faa0c782ad80470ba99e80db154a19cdfae4965bb5705896a1109511337c0508898381357731f6cf664026e6d40a8ba4e913259f2ce1bcd8e7
SSDEEP

12288:WhvUUWYU6PqKnGR3nEWlf0nRHqnlqw3h/MtLyb0:OMUWYU753ZgBYqwR/Mpyb

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
e)cnIdR1

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/2508-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2508-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2508-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2508-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2508-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2508-25-0x0000000000DA0000-0x0000000000DE0000-memory.dmp	family_agenttesla

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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PURCHASE ORDER.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PURCHASE ORDER.exe

description pid process target process

PID 2156 set thread context of 2508 2156 PURCHASE ORDER.exe PURCHASE ORDER.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

2416 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

PURCHASE ORDER.exePURCHASE ORDER.exe

pid process

2156 PURCHASE ORDER.exe
2156 PURCHASE ORDER.exe
2508 PURCHASE ORDER.exe
2508 PURCHASE ORDER.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PURCHASE ORDER.exePURCHASE ORDER.exe

description pid process

Token: SeDebugPrivilege 2156 PURCHASE ORDER.exe
Token: SeDebugPrivilege 2508 PURCHASE ORDER.exe

description	pid	process	target process
PID 2156 set thread context of 2508	2156	PURCHASE ORDER.exe	PURCHASE ORDER.exe

pid	process
2416	schtasks.exe

pid	process
2156	PURCHASE ORDER.exe
2156	PURCHASE ORDER.exe
2508	PURCHASE ORDER.exe
2508	PURCHASE ORDER.exe

description	pid	process
Token: SeDebugPrivilege	2156	PURCHASE ORDER.exe
Token: SeDebugPrivilege	2508	PURCHASE ORDER.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PURCHASE ORDER.exe

description	pid	process	target process
PID 2156 wrote to memory of 2416	2156	PURCHASE ORDER.exe	schtasks.exe
PID 2156 wrote to memory of 2416	2156	PURCHASE ORDER.exe	schtasks.exe
PID 2156 wrote to memory of 2416	2156	PURCHASE ORDER.exe	schtasks.exe
PID 2156 wrote to memory of 2416	2156	PURCHASE ORDER.exe	schtasks.exe
PID 2156 wrote to memory of 2508	2156	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 2156 wrote to memory of 2508	2156	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 2156 wrote to memory of 2508	2156	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 2156 wrote to memory of 2508	2156	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 2156 wrote to memory of 2508	2156	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 2156 wrote to memory of 2508	2156	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 2156 wrote to memory of 2508	2156	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 2156 wrote to memory of 2508	2156	PURCHASE ORDER.exe	PURCHASE ORDER.exe
PID 2156 wrote to memory of 2508	2156	PURCHASE ORDER.exe	PURCHASE ORDER.exe

outlook_office_path 1 IoCs

Processes:

PURCHASE ORDER.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe

outlook_win_path 1 IoCs

Processes:

PURCHASE ORDER.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZVCupI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD46F.tmp"
2⤵
- Creates scheduled task(s)
PID:2416

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2508

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2156-0-0x00000000011E0000-0x000000000127E000-memory.dmp

Filesize
632KB

Download
memory/2156-1-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2156-2-0x0000000004A70000-0x0000000004AB0000-memory.dmp

Filesize
256KB

Download
memory/2156-3-0x0000000000480000-0x0000000000498000-memory.dmp

Filesize
96KB

Download
memory/2156-4-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2156-5-0x0000000004A70000-0x0000000004AB0000-memory.dmp

Filesize
256KB

Download
memory/2156-6-0x0000000004F20000-0x0000000004F80000-memory.dmp

Filesize
384KB

Download
memory/2156-21-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2508-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2508-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2508-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2508-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2508-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2508-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2508-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2508-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2508-24-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download
memory/2508-25-0x0000000000DA0000-0x0000000000DE0000-memory.dmp

Filesize
256KB

Download
memory/2508-26-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download
memory/2508-27-0x0000000000DA0000-0x0000000000DE0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads