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

Signatures

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

AgentTesla Payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1768-55-0x00000000006E0000-0x0000000000732000-memory.dmp	family_agenttesla
behavioral1/memory/1896-59-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1896-61-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1896-62-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1896-63-0x000000000044715E-mapping.dmp	family_agenttesla
behavioral1/memory/1896-65-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1896-67-0x0000000000400000-0x0000000000450000-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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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 1768 set thread context of 1896 1768 2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe vbc.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

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

pid process

1768 2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe
1896 vbc.exe
1896 vbc.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

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

description pid process

Token: SeDebugPrivilege 1768 2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe
Token: SeDebugPrivilege 1896 vbc.exe

description	pid	process	target process
PID 1768 set thread context of 1896	1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe

pid	process
1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe
1896	vbc.exe
1896	vbc.exe

description	pid	process
Token: SeDebugPrivilege	1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe
Token: SeDebugPrivilege	1896	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

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

description	pid	process	target process
PID 1768 wrote to memory of 1880	1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1768 wrote to memory of 1880	1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1768 wrote to memory of 1880	1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1768 wrote to memory of 1880	1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1768 wrote to memory of 1896	1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1768 wrote to memory of 1896	1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1768 wrote to memory of 1896	1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1768 wrote to memory of 1896	1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1768 wrote to memory of 1896	1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1768 wrote to memory of 1896	1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1768 wrote to memory of 1896	1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1768 wrote to memory of 1896	1768	2020-08-05_2020-08-05_B00000303287_K71223.PDF.exe	vbc.exe
PID 1768 wrote to memory of 1896	1768	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-1-5-21-790309383-526510583-3802439154-1000\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-1-5-21-790309383-526510583-3802439154-1000\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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
PID:1880

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:1896

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/1768-54-0x00000000012E0000-0x000000000132C000-memory.dmp

Filesize
304KB

Download
memory/1768-55-0x00000000006E0000-0x0000000000732000-memory.dmp

Filesize
328KB

Download
memory/1896-56-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1896-57-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1896-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1896-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1896-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1896-63-0x000000000044715E-mapping.dmp

Download
memory/1896-65-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1896-67-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1896-68-0x0000000075C01000-0x0000000075C03000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads