agenttesla | 36f8d4d85b7d03fdbd622909d93638fa20bbdcc1e832591b82dbe7f710ab0be0

Analysis

max time kernel
109s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
10/02/2023, 11:27

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General

Target
Bank Swift.exe
Size 29KB
Sample230210-nkeveadh67
SHA256 36f8d4d85b7d03fdbd622909d93638fa20bbdcc1e832591b82dbe7f710ab0be0
MD5 b15489382a0c675fc83fbed5c0a81ccd
SHA1 76975d81c2d9883ee582d4c2a1a5b6ad844a253c
SHA512 6954ca4ffcde8402dd20b2f3a52d17301531044175e6b84a11a33eebdaa2f72ca2bf874f2e7ccd883de341b0644fc2d6e0e1e854a5616714315e222a208f1c1f
SSDEEP 768:5fCUhXwRCYj+x6NrVSUwBxebMODpb8YgC7WY:d5Xu+xeHwCMUOC75
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.veectero.com
Port
587
Username
[email protected]
Password
TevR]J,YJ6Oj
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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.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.

flow	ioc
22	api.ipify.org
21	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4396 set thread context of 4460	4396	Bank Swift.exe	83

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4396	Bank Swift.exe
4396	Bank Swift.exe
4396	Bank Swift.exe
4396	Bank Swift.exe
4396	Bank Swift.exe
4396	Bank Swift.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4396	Bank Swift.exe
Token: SeDebugPrivilege	4460	jsc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 2152	4396	Bank Swift.exe	80
PID 4396 wrote to memory of 2152	4396	Bank Swift.exe	80
PID 4396 wrote to memory of 2780	4396	Bank Swift.exe	81
PID 4396 wrote to memory of 2780	4396	Bank Swift.exe	81
PID 4396 wrote to memory of 4260	4396	Bank Swift.exe	82
PID 4396 wrote to memory of 4260	4396	Bank Swift.exe	82
PID 4396 wrote to memory of 4460	4396	Bank Swift.exe	83
PID 4396 wrote to memory of 4460	4396	Bank Swift.exe	83
PID 4396 wrote to memory of 4460	4396	Bank Swift.exe	83
PID 4396 wrote to memory of 4460	4396	Bank Swift.exe	83
PID 4396 wrote to memory of 4460	4396	Bank Swift.exe	83
PID 4396 wrote to memory of 4460	4396	Bank Swift.exe	83
PID 4396 wrote to memory of 4460	4396	Bank Swift.exe	83
PID 4396 wrote to memory of 4460	4396	Bank Swift.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

C:\Users\Admin\AppData\Local\Temp\Bank Swift.exe
"C:\Users\Admin\AppData\Local\Temp\Bank Swift.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe"
  2⤵
  PID:2152
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:2780
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe"
  2⤵
  PID:4260
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4460

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/4396-132-0x00000175166D0000-0x00000175166DC000-memory.dmp

Download

memory/4396-133-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

Download

memory/4396-136-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

Download

memory/4460-134-0x0000000000400000-0x0000000000430000-memory.dmp

Download

memory/4460-137-0x00000000059A0000-0x0000000005F44000-memory.dmp

Download

memory/4460-138-0x00000000052A0000-0x0000000005306000-memory.dmp

Download

memory/4460-139-0x0000000006D00000-0x0000000006D92000-memory.dmp

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memory/4460-140-0x0000000006CA0000-0x0000000006CAA000-memory.dmp

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memory/4460-141-0x0000000006DF0000-0x0000000006E40000-memory.dmp

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memory/4460-142-0x0000000007120000-0x00000000072E2000-memory.dmp

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