agenttesla | cbdeb1f6768239ad526f25da88c5d69f4d56ccb69e9a5c106ae7fd89646dfc9d

General

Target

Payment Receipt.exe
Size

490KB
MD5

0de096a3e59cbae3939f5f8b7e191364
SHA1

630a1e83b76df9e164d9ace365756376991ab86a
SHA256

cbdeb1f6768239ad526f25da88c5d69f4d56ccb69e9a5c106ae7fd89646dfc9d
SHA512

a0332119cec20ab7cd58913708db93442a9ed3c903003a589ca4cdbc2011f3ef19d889f61bf1730387971db90caa65dba793182a1ffd7d653e7cbfff2bb746e2

Score

10^/10

agenttesla coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.guthrie.com.sg
Port:
587
Username:
roytay@guthrie.com.sg
Password:
gut.com.sg

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.guthrie.com.sg
Port:
587
Username:
roytay@guthrie.com.sg
Password:
gut.com.sg

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
behavioral2/memory/4684-7-0x0000000002B60000-0x0000000002B63000-memory.dmp	coreentity

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/412-12-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral2/memory/412-13-0x000000000044CC4E-mapping.dmp	family_agenttesla

rezer0 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral2/memory/4684-8-0x0000000009F00000-0x0000000009F53000-memory.dmp	rezer0

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

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

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

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment Receipt.exe

description pid process target process

PID 4684 set thread context of 412 4684 Payment Receipt.exe Payment Receipt.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

440 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Payment Receipt.exePayment Receipt.exe

pid process

4684 Payment Receipt.exe
4684 Payment Receipt.exe
4684 Payment Receipt.exe
412 Payment Receipt.exe
412 Payment Receipt.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment Receipt.exePayment Receipt.exe

description pid process

Token: SeDebugPrivilege 4684 Payment Receipt.exe
Token: SeDebugPrivilege 412 Payment Receipt.exe

description	pid	process	target process
PID 4684 set thread context of 412	4684	Payment Receipt.exe	Payment Receipt.exe

pid	process
440	schtasks.exe

pid	process
4684	Payment Receipt.exe
4684	Payment Receipt.exe
4684	Payment Receipt.exe
412	Payment Receipt.exe
412	Payment Receipt.exe

description	pid	process
Token: SeDebugPrivilege	4684	Payment Receipt.exe
Token: SeDebugPrivilege	412	Payment Receipt.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Payment Receipt.exePayment Receipt.exe

description	pid	process	target process
PID 4684 wrote to memory of 440	4684	Payment Receipt.exe	schtasks.exe
PID 4684 wrote to memory of 440	4684	Payment Receipt.exe	schtasks.exe
PID 4684 wrote to memory of 440	4684	Payment Receipt.exe	schtasks.exe
PID 4684 wrote to memory of 412	4684	Payment Receipt.exe	Payment Receipt.exe
PID 4684 wrote to memory of 412	4684	Payment Receipt.exe	Payment Receipt.exe
PID 4684 wrote to memory of 412	4684	Payment Receipt.exe	Payment Receipt.exe
PID 4684 wrote to memory of 412	4684	Payment Receipt.exe	Payment Receipt.exe
PID 4684 wrote to memory of 412	4684	Payment Receipt.exe	Payment Receipt.exe
PID 4684 wrote to memory of 412	4684	Payment Receipt.exe	Payment Receipt.exe
PID 4684 wrote to memory of 412	4684	Payment Receipt.exe	Payment Receipt.exe
PID 4684 wrote to memory of 412	4684	Payment Receipt.exe	Payment Receipt.exe
PID 412 wrote to memory of 4444	412	Payment Receipt.exe	netsh.exe
PID 412 wrote to memory of 4444	412	Payment Receipt.exe	netsh.exe
PID 412 wrote to memory of 4444	412	Payment Receipt.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Payment Receipt.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Receipt.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4684

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oKpchGYt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3687.tmp"
2⤵
- Creates scheduled task(s)
PID:440

C:\Users\Admin\AppData\Local\Temp\Payment Receipt.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:412

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:4444

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

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3687.tmp
MD5
6a5b68f7199094372fb448e27080b3b6

SHA1
2e9b7122dad0aa3d35dc9b462ef58b4d3b3ca14c

SHA256
242575b945b9cba076f246a6e99304469d3708eda496d62ea7a897baf055bab6

SHA512
bda3ce4252ddd0c0265d0ff338bc8aa512503c8c538ad28246481c3de50bd45820848f9e1795d2f17dbd5a293b98b670b75d625ed4700d7c6a86d5036cb8c885

Download Submit
memory/412-20-0x0000000005D90000-0x0000000005D91000-memory.dmp

Filesize
4KB

Download
memory/412-19-0x00000000052D0000-0x00000000052D1000-memory.dmp

Filesize
4KB

Download
memory/412-14-0x0000000073900000-0x0000000073FEE000-memory.dmp

Filesize
6.9MB

Download
memory/412-13-0x000000000044CC4E-mapping.dmp

Download
memory/412-12-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/440-10-0x0000000000000000-mapping.dmp

Download
memory/4444-21-0x0000000000000000-mapping.dmp

Download
memory/4684-5-0x0000000007B50000-0x0000000007B51000-memory.dmp

Filesize
4KB

Download
memory/4684-9-0x000000000A000000-0x000000000A001000-memory.dmp

Filesize
4KB

Download
memory/4684-8-0x0000000009F00000-0x0000000009F53000-memory.dmp

Filesize
332KB

Download
memory/4684-7-0x0000000002B60000-0x0000000002B63000-memory.dmp

Filesize
12KB

Download
memory/4684-6-0x0000000007AF0000-0x0000000007AF1000-memory.dmp

Filesize
4KB

Download
memory/4684-0-0x0000000073900000-0x0000000073FEE000-memory.dmp

Filesize
6.9MB

Download
memory/4684-4-0x0000000007E30000-0x0000000007E31000-memory.dmp

Filesize
4KB

Download
memory/4684-3-0x0000000007690000-0x00000000076EA000-memory.dmp

Filesize
360KB

Download
memory/4684-1-0x0000000000870000-0x0000000000871000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads