agenttesla | 81162d06ef961d95dc677f8f4f9ced55da496844cf5b769191db72cce15a5263

Analysis

max time kernel
138s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
19/12/2022, 10:19

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General

Target

Shipping Document_PDF.exe
Size

425KB
MD5

316bc2c2ccf689cbda2c83a33a412b32
SHA1

fc31789f4eb66333997c3edbaf585e48d2c3e390
SHA256

81162d06ef961d95dc677f8f4f9ced55da496844cf5b769191db72cce15a5263
SHA512

e0f755d48f986e46cf143b913b37d373fcfc66d4b834ef0aba1d8a8b5ed76e218ec2b90e2eed05c4ff796c59b0afa3baafd3f35e51c33292b4d144019b54bde8
SSDEEP

6144:N8dj5zpTDFLZFBapa52ju7QAdtkgpmNZEs7a+hI:NmFZDFLZFBN+u79dtkgpmEw5I

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot2062652208:AAEyc-7xEcUOQxNpdlexOidqQZT1Fi23E0A/sendDocument

Signatures

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

AgentTesla payload 6 IoCs

resource	yara_rule
behavioral1/memory/992-59-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/992-60-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/992-61-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/992-62-0x000000000043775E-mapping.dmp	family_agenttesla
behavioral1/memory/992-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/992-66-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1096 set thread context of 992	1096	Shipping Document_PDF.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
992	Caspol.exe
992	Caspol.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	992	Caspol.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 992	1096	Shipping Document_PDF.exe	28
PID 1096 wrote to memory of 992	1096	Shipping Document_PDF.exe	28
PID 1096 wrote to memory of 992	1096	Shipping Document_PDF.exe	28
PID 1096 wrote to memory of 992	1096	Shipping Document_PDF.exe	28
PID 1096 wrote to memory of 992	1096	Shipping Document_PDF.exe	28
PID 1096 wrote to memory of 992	1096	Shipping Document_PDF.exe	28
PID 1096 wrote to memory of 992	1096	Shipping Document_PDF.exe	28
PID 1096 wrote to memory of 992	1096	Shipping Document_PDF.exe	28
PID 1096 wrote to memory of 992	1096	Shipping Document_PDF.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Caspol.exe

C:\Users\Admin\AppData\Local\Temp\Shipping Document_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping Document_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/992-56-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/992-57-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/992-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/992-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/992-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/992-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/992-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/992-67-0x00000000767D1000-0x00000000767D3000-memory.dmp

Filesize
8KB

Download
memory/1096-54-0x0000000000C00000-0x0000000000C6A000-memory.dmp

Filesize
424KB

Download
memory/1096-55-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download