agenttesla | 72e713d25be6feb7c88cddfd471d9836371bd44cac7199cc1c44838e6946b807

Analysis

max time kernel
133s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
16/02/2023, 17:57

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General

Target

PO#3210046374.exe
Size

721KB
MD5

67b6910eb5ac23f304809463e6e61325
SHA1

1b05a7e40acbea5ce09ddd4926bd68620d86998e
SHA256

72e713d25be6feb7c88cddfd471d9836371bd44cac7199cc1c44838e6946b807
SHA512

95cec34bdd44320d912f5a34d8fa87c57958746924691771a6d3ffabd7120697086236bcadd63cdfd99d8f3f20a7a32454087d1786b88466e2d2f8d4e5d5f96d
SSDEEP

12288:LCykIkegET9jsIBMNjnNNOhAe/S0XD+/cs8z5x2NVW1Ojkdd/QfjqabiUxFYgY4:LVTsIBMNjnNNOhAe/S0TZ2mykdYqL+Ff

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.emeraldstargroup.com
Port:
587
Username:
[email protected]
Password:
W4AJ4H0F1J8K
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-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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.

flow	ioc
40	api.ipify.org
41	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4636 set thread context of 1364	4636	PO#3210046374.exe	88

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4636	PO#3210046374.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4636	PO#3210046374.exe
Token: SeDebugPrivilege	1364	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 1364	4636	PO#3210046374.exe	88
PID 4636 wrote to memory of 1364	4636	PO#3210046374.exe	88
PID 4636 wrote to memory of 1364	4636	PO#3210046374.exe	88
PID 4636 wrote to memory of 1364	4636	PO#3210046374.exe	88
PID 4636 wrote to memory of 1364	4636	PO#3210046374.exe	88
PID 4636 wrote to memory of 1364	4636	PO#3210046374.exe	88
PID 4636 wrote to memory of 1364	4636	PO#3210046374.exe	88
PID 4636 wrote to memory of 1364	4636	PO#3210046374.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PO#3210046374.exe
"C:\Users\Admin\AppData\Local\Temp\PO#3210046374.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4636
- 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:1364

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/1364-139-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1364-140-0x00000000058B0000-0x0000000005916000-memory.dmp

Filesize
408KB

Download
memory/1364-141-0x0000000007250000-0x00000000072A0000-memory.dmp

Filesize
320KB

Download
memory/1364-142-0x00000000074C0000-0x0000000007682000-memory.dmp

Filesize
1.8MB

Download
memory/4636-132-0x0000000000130000-0x00000000001EA000-memory.dmp

Filesize
744KB

Download
memory/4636-133-0x00000000049F0000-0x0000000004A8C000-memory.dmp

Filesize
624KB

Download
memory/4636-134-0x0000000005100000-0x00000000056A4000-memory.dmp

Filesize
5.6MB

Download
memory/4636-135-0x0000000004B50000-0x0000000004BE2000-memory.dmp

Filesize
584KB

Download
memory/4636-136-0x0000000004AD0000-0x0000000004ADA000-memory.dmp

Filesize
40KB

Download
memory/4636-137-0x0000000004D50000-0x0000000004DA6000-memory.dmp

Filesize
344KB

Download