agenttesla | 6e02cd1d1a26e955b3d66d447bb84dca232b547098502c69d896b38c71614c85

General

Target

GlobalOrder_T0028342005500.exe
Size

500KB
MD5

444061aa3f4503ed0e8f1ab80cc6ec92
SHA1

3e7d516589952ccdbd265e434aa54a6025430628
SHA256

d60f774507ea86cf6fb6caec5bb930bc86ad5a38c9d9f72d568230580f02c92a
SHA512

5e1cae6bd190022cf2698064fd896299f86616976f96b93647423831bb6c8b3aa56e923c91d93d185a2169d350a0b87bb4de333b9959a9632a74d633d0ec47c4

Score

10^/10

agenttesla collection coreentity evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sesan.com.vn
Port:
587
Username:
[email protected]
Password:
123456

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/1828-56-0x0000000000510000-0x0000000000518000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1548-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1548-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1548-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1548-66-0x000000000044CBDE-mapping.dmp	family_agenttesla
behavioral1/memory/1548-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1548-70-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

ReZer0 packer 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1828-57-0x0000000002030000-0x0000000002088000-memory.dmp	rezer0

Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

GlobalOrder_T0028342005500.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	GlobalOrder_T0028342005500.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	GlobalOrder_T0028342005500.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:

GlobalOrder_T0028342005500.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GlobalOrder_T0028342005500.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GlobalOrder_T0028342005500.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GlobalOrder_T0028342005500.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

GlobalOrder_T0028342005500.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	GlobalOrder_T0028342005500.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	GlobalOrder_T0028342005500.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

GlobalOrder_T0028342005500.exe

description pid process target process

PID 1828 set thread context of 1548 1828 GlobalOrder_T0028342005500.exe GlobalOrder_T0028342005500.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

1608 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

GlobalOrder_T0028342005500.exeGlobalOrder_T0028342005500.exe

pid process

1828 GlobalOrder_T0028342005500.exe
1548 GlobalOrder_T0028342005500.exe
1548 GlobalOrder_T0028342005500.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

GlobalOrder_T0028342005500.exeGlobalOrder_T0028342005500.exe

description pid process

Token: SeDebugPrivilege 1828 GlobalOrder_T0028342005500.exe
Token: SeDebugPrivilege 1548 GlobalOrder_T0028342005500.exe

description	pid	process	target process
PID 1828 set thread context of 1548	1828	GlobalOrder_T0028342005500.exe	GlobalOrder_T0028342005500.exe

pid	process
1608	schtasks.exe

pid	process
1828	GlobalOrder_T0028342005500.exe
1548	GlobalOrder_T0028342005500.exe
1548	GlobalOrder_T0028342005500.exe

description	pid	process
Token: SeDebugPrivilege	1828	GlobalOrder_T0028342005500.exe
Token: SeDebugPrivilege	1548	GlobalOrder_T0028342005500.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

GlobalOrder_T0028342005500.exeGlobalOrder_T0028342005500.exe

description	pid	process	target process
PID 1828 wrote to memory of 1608	1828	GlobalOrder_T0028342005500.exe	schtasks.exe
PID 1828 wrote to memory of 1608	1828	GlobalOrder_T0028342005500.exe	schtasks.exe
PID 1828 wrote to memory of 1608	1828	GlobalOrder_T0028342005500.exe	schtasks.exe
PID 1828 wrote to memory of 1608	1828	GlobalOrder_T0028342005500.exe	schtasks.exe
PID 1828 wrote to memory of 1548	1828	GlobalOrder_T0028342005500.exe	GlobalOrder_T0028342005500.exe
PID 1828 wrote to memory of 1548	1828	GlobalOrder_T0028342005500.exe	GlobalOrder_T0028342005500.exe
PID 1828 wrote to memory of 1548	1828	GlobalOrder_T0028342005500.exe	GlobalOrder_T0028342005500.exe
PID 1828 wrote to memory of 1548	1828	GlobalOrder_T0028342005500.exe	GlobalOrder_T0028342005500.exe
PID 1828 wrote to memory of 1548	1828	GlobalOrder_T0028342005500.exe	GlobalOrder_T0028342005500.exe
PID 1828 wrote to memory of 1548	1828	GlobalOrder_T0028342005500.exe	GlobalOrder_T0028342005500.exe
PID 1828 wrote to memory of 1548	1828	GlobalOrder_T0028342005500.exe	GlobalOrder_T0028342005500.exe
PID 1828 wrote to memory of 1548	1828	GlobalOrder_T0028342005500.exe	GlobalOrder_T0028342005500.exe
PID 1828 wrote to memory of 1548	1828	GlobalOrder_T0028342005500.exe	GlobalOrder_T0028342005500.exe
PID 1548 wrote to memory of 1156	1548	GlobalOrder_T0028342005500.exe	netsh.exe
PID 1548 wrote to memory of 1156	1548	GlobalOrder_T0028342005500.exe	netsh.exe
PID 1548 wrote to memory of 1156	1548	GlobalOrder_T0028342005500.exe	netsh.exe
PID 1548 wrote to memory of 1156	1548	GlobalOrder_T0028342005500.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

GlobalOrder_T0028342005500.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GlobalOrder_T0028342005500.exe

outlook_win_path 1 IoCs

Processes:

GlobalOrder_T0028342005500.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	GlobalOrder_T0028342005500.exe

C:\Users\Admin\AppData\Local\Temp\GlobalOrder_T0028342005500.exe
"C:\Users\Admin\AppData\Local\Temp\GlobalOrder_T0028342005500.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1828

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\frhrzHe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F62.tmp"
2⤵
- Creates scheduled task(s)
PID:1608

C:\Users\Admin\AppData\Local\Temp\GlobalOrder_T0028342005500.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1548

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1156

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

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3F62.tmp
Filesize
1KB

MD5
aaa5c5f0fb4933bf27fc21abe59b6bd5

SHA1
2e01b70a0f5a11979ab1a7f6beab0dd28c0c378b

SHA256
0a7b1712cbae177d74773a1dd7bfc8c66bed2cf9a947b0a36faed3fa6d7a6a1a

SHA512
ef65e10333659ffca4d2a6dd82e60fb6c37b46d42094b513752219af053df89ac87834cfd2aae3f17a6e439ee420d2eaf3aebf878ced2e655f1cb144698928be

Download Submit
memory/1156-72-0x0000000000000000-mapping.dmp

Download
memory/1548-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1548-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1548-71-0x0000000075741000-0x0000000075743000-memory.dmp

Filesize
8KB

Download
memory/1548-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1548-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1548-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1548-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1548-66-0x000000000044CBDE-mapping.dmp

Download
memory/1548-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1608-58-0x0000000000000000-mapping.dmp

Download
memory/1828-57-0x0000000002030000-0x0000000002088000-memory.dmp

Filesize
352KB

Download
memory/1828-54-0x0000000000A80000-0x0000000000B06000-memory.dmp

Filesize
536KB

Download
memory/1828-56-0x0000000000510000-0x0000000000518000-memory.dmp

Filesize
32KB

Download
memory/1828-55-0x0000000000580000-0x00000000005E2000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads