Behavioral Report

General

Target

PO#CWA006635.exe
Size

414KB
MD5

8cf823ee0766126638d33918383ca5d8
SHA1

3b215b084b9ff049a860fc29108f62c4b6d2133b
SHA256

6de7efc9e04cb4db0acc603a7ed700b186d0545acd0e8e84a1d8cce668202dc8
SHA512

41cd0278ebb15faddd178fb826e8dc74021980f09b94ff785b1b6d88d5504c2e7b37450484666fd7a00e3c3e865459ace696c41ad84e4d0630d1ef893e93ed94

Score

10^/10

agenttesla collection evasion keylogger spyware stealer suricata trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.cpworldindia.com
Port:
587
Username:
import.cs@ahd.cpworldindia.com
Password:
imprtcs@2019

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cpworldindia.com
Port:
587
Username:
import.cs@ahd.cpworldindia.com
Password:
imprtcs@2019

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata
AgentTesla payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/4400-138-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla
Disables Task Manager via registry modification
evasion
Drops file in Drivers directory 1 IoCs

Processes:

PO#CWA006635.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts PO#CWA006635.exe

resource	yara_rule
behavioral2/memory/4400-138-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	PO#CWA006635.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

PO#CWA006635.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	PO#CWA006635.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO#CWA006635.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#CWA006635.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#CWA006635.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#CWA006635.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#CWA006635.exe

description pid process target process

PID 4588 set thread context of 4400 4588 PO#CWA006635.exe PO#CWA006635.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2932 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

5000 REG.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO#CWA006635.exePO#CWA006635.exe

pid process

4588 PO#CWA006635.exe
4400 PO#CWA006635.exe
4400 PO#CWA006635.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO#CWA006635.exePO#CWA006635.exe

description pid process

Token: SeDebugPrivilege 4588 PO#CWA006635.exe
Token: SeDebugPrivilege 4400 PO#CWA006635.exe

description	pid	process	target process
PID 4588 set thread context of 4400	4588	PO#CWA006635.exe	PO#CWA006635.exe

pid	process
2932	schtasks.exe

pid	process
5000	REG.exe

pid	process
4588	PO#CWA006635.exe
4400	PO#CWA006635.exe
4400	PO#CWA006635.exe

description	pid	process
Token: SeDebugPrivilege	4588	PO#CWA006635.exe
Token: SeDebugPrivilege	4400	PO#CWA006635.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

PO#CWA006635.exePO#CWA006635.exe

description	pid	process	target process
PID 4588 wrote to memory of 2932	4588	PO#CWA006635.exe	schtasks.exe
PID 4588 wrote to memory of 2932	4588	PO#CWA006635.exe	schtasks.exe
PID 4588 wrote to memory of 2932	4588	PO#CWA006635.exe	schtasks.exe
PID 4588 wrote to memory of 4400	4588	PO#CWA006635.exe	PO#CWA006635.exe
PID 4588 wrote to memory of 4400	4588	PO#CWA006635.exe	PO#CWA006635.exe
PID 4588 wrote to memory of 4400	4588	PO#CWA006635.exe	PO#CWA006635.exe
PID 4588 wrote to memory of 4400	4588	PO#CWA006635.exe	PO#CWA006635.exe
PID 4588 wrote to memory of 4400	4588	PO#CWA006635.exe	PO#CWA006635.exe
PID 4588 wrote to memory of 4400	4588	PO#CWA006635.exe	PO#CWA006635.exe
PID 4588 wrote to memory of 4400	4588	PO#CWA006635.exe	PO#CWA006635.exe
PID 4588 wrote to memory of 4400	4588	PO#CWA006635.exe	PO#CWA006635.exe
PID 4400 wrote to memory of 5000	4400	PO#CWA006635.exe	REG.exe
PID 4400 wrote to memory of 5000	4400	PO#CWA006635.exe	REG.exe
PID 4400 wrote to memory of 5000	4400	PO#CWA006635.exe	REG.exe
PID 4400 wrote to memory of 2592	4400	PO#CWA006635.exe	netsh.exe
PID 4400 wrote to memory of 2592	4400	PO#CWA006635.exe	netsh.exe
PID 4400 wrote to memory of 2592	4400	PO#CWA006635.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

PO#CWA006635.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#CWA006635.exe

outlook_win_path 1 IoCs

Processes:

PO#CWA006635.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#CWA006635.exe

C:\Users\Admin\AppData\Local\Temp\PO#CWA006635.exe
"C:\Users\Admin\AppData\Local\Temp\PO#CWA006635.exe"
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4588

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FzcrWS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE208.tmp"
- Creates scheduled task(s)
PID:2932

C:\Users\Admin\AppData\Local\Temp\PO#CWA006635.exe
"{path}"
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4400

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
- Modifies registry key
PID:5000

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
PID:2592

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

00:00 00:00

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE208.tmp
Filesize
1KB

MD5
223ed65c305252ef2c049332fa5b998b

SHA1
26bd8e81cbd9cbbf976cdbb075ada0d304a464b9

SHA256
769c259c9aff127cec91e857d5c3f0d121cfc4e8a85147f3a37e79e4a4a970d5

SHA512
cefb35a0ff44ab3deabae9ecf58bda3ad49dfab84557d6bcc0a0da3f8812651de0671a6d9f4ddc9ad7cdbc5b8ef67d15380492db5cb85c04dd69e56c5be647cc

Download Submit
memory/2592-142-0x0000000000000000-mapping.dmp

Download
memory/2932-135-0x0000000000000000-mapping.dmp

Download
memory/4400-139-0x0000000006360000-0x00000000063C6000-memory.dmp

Filesize
408KB

Download
memory/4400-137-0x0000000000000000-mapping.dmp

Download
memory/4400-138-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4400-141-0x00000000066D0000-0x0000000006720000-memory.dmp

Filesize
320KB

Download
memory/4588-134-0x0000000008EB0000-0x0000000008F4C000-memory.dmp

Filesize
624KB

Download
memory/4588-133-0x0000000005720000-0x000000000572A000-memory.dmp

Filesize
40KB

Download
memory/4588-132-0x0000000005780000-0x0000000005812000-memory.dmp

Filesize
584KB

Download
memory/4588-130-0x0000000000CC0000-0x0000000000D2E000-memory.dmp

Filesize
440KB

Download
memory/4588-131-0x0000000005D30000-0x00000000062D4000-memory.dmp

Filesize
5MB

Download
memory/5000-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Downloads