agenttesla | cc45b79bb88cbf178d6645cc3309f284e967d181c00bdd5ce853673e0618e70a

General

Target

2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe
Size

284KB
MD5

695f814454972a685e1162e9b5629f32
SHA1

92b54409a877f384bc4fe2b274de5ce4d281b3cf
SHA256

d28d5eb6ef6a35c2323f5b10e3bd013eff3338197df93c562dd55455b9ab4911
SHA512

06542dffd7b11acbab261053f5b4b14a2eea3adbb65d47da9181353cfccea60575dce157d980fa9bcc8b6f3f1546a4d7acade92ec816cfe67e3c956ad2553764

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
111aaa

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
111aaa

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3380-134-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe

description pid process target process

PID 1748 set thread context of 3380 1748 2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe vbc.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

vbc.exe

pid process

3380 vbc.exe
3380 vbc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

vbc.exe

description pid process

Token: SeDebugPrivilege 3380 vbc.exe

description	pid	process	target process
PID 1748 set thread context of 3380	1748	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe

pid	process
3380	vbc.exe
3380	vbc.exe

description	pid	process
Token: SeDebugPrivilege	3380	vbc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe

description	pid	process	target process
PID 1748 wrote to memory of 3380	1748	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1748 wrote to memory of 3380	1748	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1748 wrote to memory of 3380	1748	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1748 wrote to memory of 3380	1748	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1748 wrote to memory of 3380	1748	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1748 wrote to memory of 3380	1748	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1748 wrote to memory of 3380	1748	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1748 wrote to memory of 3380	1748	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe

outlook_office_path 1 IoCs

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3380

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1748-130-0x0000000000570000-0x00000000005BC000-memory.dmp

Filesize
304KB

Download
memory/1748-131-0x0000000004F50000-0x0000000004FEC000-memory.dmp

Filesize
624KB

Download
memory/1748-132-0x00000000055F0000-0x0000000005B94000-memory.dmp

Filesize
5.6MB

Download
memory/3380-133-0x0000000000000000-mapping.dmp

Download
memory/3380-134-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3380-135-0x0000000005650000-0x00000000056E2000-memory.dmp

Filesize
584KB

Download
memory/3380-136-0x0000000006560000-0x00000000065C6000-memory.dmp

Filesize
408KB

Download
memory/3380-137-0x0000000006B50000-0x0000000006BA0000-memory.dmp

Filesize
320KB

Download
memory/3380-138-0x0000000001550000-0x000000000155A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads