agenttesla | db1081c1a75421b9b57add6984d4bc694fb160aa80a1657a43acb3810dc20a81

Analysis

max time kernel
135s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
03-04-2023 08:35

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General

Target

payment.exe
Size

602KB
MD5

d4bef4b07059e137cb445ad46607a039
SHA1

f9b52054c5020f0a6bc30ad369a0dbf06c9e3c16
SHA256

66f84a9485233c4126143d575a7d5d754721f963e71069a9456399c601af2ea8
SHA512

1551c4bdcbdec278473e3bb01d4d0dfffbc2af9d6c1938e54a403db431cb7ab22b0b0f96d51c365e0a003a585e29cc4eb868624a16b0e3dfbe32665edd18dfe1
SSDEEP

6144:nYlCTy6dfHrM0oyvqwVns5DnfuqpPhlpImWwhdGC7dAvTxxJn5I4h22cqnCBtVuv:nYlCTz/riyywVnmp5lBKC7Wjzg2cv0v

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.exceltruea.com
Port:
587
Username:
[email protected]
Password:
bl es si ng 2 0 2 3
Email To:
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

23 api.ipify.org
24 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

payment.exe

description pid process target process

PID 4668 set thread context of 740 4668 payment.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

payment.exe

pid process

4668 payment.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

payment.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4668 payment.exe
Token: SeDebugPrivilege 740 RegSvcs.exe

flow	ioc
23	api.ipify.org
24	api.ipify.org

description	pid	process	target process
PID 4668 set thread context of 740	4668	payment.exe	RegSvcs.exe

pid	process
4668	payment.exe

description	pid	process
Token: SeDebugPrivilege	4668	payment.exe
Token: SeDebugPrivilege	740	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

payment.exe

description	pid	process	target process
PID 4668 wrote to memory of 740	4668	payment.exe	RegSvcs.exe
PID 4668 wrote to memory of 740	4668	payment.exe	RegSvcs.exe
PID 4668 wrote to memory of 740	4668	payment.exe	RegSvcs.exe
PID 4668 wrote to memory of 740	4668	payment.exe	RegSvcs.exe
PID 4668 wrote to memory of 740	4668	payment.exe	RegSvcs.exe
PID 4668 wrote to memory of 740	4668	payment.exe	RegSvcs.exe
PID 4668 wrote to memory of 740	4668	payment.exe	RegSvcs.exe
PID 4668 wrote to memory of 740	4668	payment.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\payment.exe
"C:\Users\Admin\AppData\Local\Temp\payment.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4668

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:740

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/740-141-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/740-147-0x00000000050F0000-0x0000000005100000-memory.dmp

Filesize
64KB

Download
memory/740-146-0x0000000006B10000-0x0000000006CD2000-memory.dmp

Filesize
1.8MB

Download
memory/740-145-0x00000000068F0000-0x0000000006940000-memory.dmp

Filesize
320KB

Download
memory/740-144-0x00000000050F0000-0x0000000005100000-memory.dmp

Filesize
64KB

Download
memory/740-143-0x0000000005020000-0x0000000005086000-memory.dmp

Filesize
408KB

Download
memory/4668-136-0x0000000004C20000-0x0000000004CB2000-memory.dmp

Filesize
584KB

Download
memory/4668-140-0x0000000004D90000-0x0000000004DA0000-memory.dmp

Filesize
64KB

Download
memory/4668-139-0x0000000004D20000-0x0000000004D76000-memory.dmp

Filesize
344KB

Download
memory/4668-138-0x0000000004B50000-0x0000000004B5A000-memory.dmp

Filesize
40KB

Download
memory/4668-137-0x0000000004D90000-0x0000000004DA0000-memory.dmp

Filesize
64KB

Download
memory/4668-133-0x00000000000F0000-0x000000000018C000-memory.dmp

Filesize
624KB

Download
memory/4668-135-0x00000000051D0000-0x0000000005774000-memory.dmp

Filesize
5.6MB

Download
memory/4668-134-0x0000000004B80000-0x0000000004C1C000-memory.dmp

Filesize
624KB

Download