agenttesla | 21e5714c80ac1434826b55931e58a1d8eb82d62970cfabb44a268d0adca87ecc

General

Target

Shipment Notice.exe
Size

471KB
MD5

5246dcb8944246a4d922e39647ba6e34
SHA1

51c412f7294013b83137ed5773652b80cb88c9d5
SHA256

2c96b6799b4a15f6cd01ae6aabae3181b13d128b7b085854c77ee71253139040
SHA512

7627724250c7ee7f0a1363bd467eaa291bd1909da5534935761f4c7cc5d0a1b1e961b1bcee0fe0199b3bbc99bd063cfd5e29206c65f4e8fe60d9adb6d5e26ca0

Score

10^/10

agenttesla collection coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
cpcl27.hostingcare.net
Port:
587
Username:
[email protected]
Password:
Standard123#@!

Signatures

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

CoreEntity .NET Packer 1 IoCs

A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

coreentity

Processes:

resource	yara_rule
behavioral1/memory/2020-56-0x00000000002D0000-0x00000000002D8000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1256-61-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1256-62-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1256-63-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1256-64-0x000000000044B8BE-mapping.dmp	family_agenttesla
behavioral1/memory/1256-66-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1256-68-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/2020-57-0x00000000007E0000-0x0000000000838000-memory.dmp	rezer0

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.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	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Shipment Notice.exe

description pid process target process

PID 2020 set thread context of 1256 2020 Shipment Notice.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1256 RegSvcs.exe
1256 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1256 RegSvcs.exe

description	pid	process	target process
PID 2020 set thread context of 1256	2020	Shipment Notice.exe	RegSvcs.exe

pid	process
1256	RegSvcs.exe
1256	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1256	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Shipment Notice.exe

description	pid	process	target process
PID 2020 wrote to memory of 1256	2020	Shipment Notice.exe	RegSvcs.exe
PID 2020 wrote to memory of 1256	2020	Shipment Notice.exe	RegSvcs.exe
PID 2020 wrote to memory of 1256	2020	Shipment Notice.exe	RegSvcs.exe
PID 2020 wrote to memory of 1256	2020	Shipment Notice.exe	RegSvcs.exe
PID 2020 wrote to memory of 1256	2020	Shipment Notice.exe	RegSvcs.exe
PID 2020 wrote to memory of 1256	2020	Shipment Notice.exe	RegSvcs.exe
PID 2020 wrote to memory of 1256	2020	Shipment Notice.exe	RegSvcs.exe
PID 2020 wrote to memory of 1256	2020	Shipment Notice.exe	RegSvcs.exe
PID 2020 wrote to memory of 1256	2020	Shipment Notice.exe	RegSvcs.exe
PID 2020 wrote to memory of 1256	2020	Shipment Notice.exe	RegSvcs.exe
PID 2020 wrote to memory of 1256	2020	Shipment Notice.exe	RegSvcs.exe
PID 2020 wrote to memory of 1256	2020	Shipment Notice.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.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	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.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	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Shipment Notice.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment Notice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1256

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1256-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1256-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1256-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1256-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1256-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1256-64-0x000000000044B8BE-mapping.dmp

Download
memory/1256-66-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1256-68-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2020-54-0x00000000011B0000-0x000000000122C000-memory.dmp

Filesize
496KB

Download
memory/2020-55-0x0000000076261000-0x0000000076263000-memory.dmp

Filesize
8KB

Download
memory/2020-56-0x00000000002D0000-0x00000000002D8000-memory.dmp

Filesize
32KB

Download
memory/2020-57-0x00000000007E0000-0x0000000000838000-memory.dmp

Filesize
352KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads