agenttesla | 7dfe5d9e3e099285a3bc63497d1ee47ac99b7012f23beb730d73557b40afa26c

General

Target

Inquiry Copy.exe
Size

519KB
MD5

5ebf752e445c2a9222357ea6ed653556
SHA1

ff7fd12de0ddd6fa819db103d023e1b3e24a36d2
SHA256

7dfe5d9e3e099285a3bc63497d1ee47ac99b7012f23beb730d73557b40afa26c
SHA512

0c16ec901b238d60176349c30cf9aa29d3522f8544d5cc32aeba71e72e3954051651808264551d639ae19ef384c865310c70092c334a7dc33cd64bdbfb2603a4

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
alexisborris@yandex.ru
Password:
@Veronica24#

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1036-4-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1036-5-0x000000000044CB2E-mapping.dmp	family_agenttesla
behavioral1/memory/1036-6-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1036-7-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
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:

Inquiry Copy.exe

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

Inquiry Copy.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Inquiry Copy.exe

description pid process target process

PID 1204 set thread context of 1036 1204 Inquiry Copy.exe MSBuild.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

480 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

1036 MSBuild.exe
1036 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1036 MSBuild.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

1036 MSBuild.exe

description	pid	process	target process
PID 1204 set thread context of 1036	1204	Inquiry Copy.exe	MSBuild.exe

pid	process
480	schtasks.exe

pid	process
1036	MSBuild.exe
1036	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1036	MSBuild.exe

pid	process
1036	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Inquiry Copy.exeMSBuild.exe

description	pid	process	target process
PID 1204 wrote to memory of 480	1204	Inquiry Copy.exe	schtasks.exe
PID 1204 wrote to memory of 480	1204	Inquiry Copy.exe	schtasks.exe
PID 1204 wrote to memory of 480	1204	Inquiry Copy.exe	schtasks.exe
PID 1204 wrote to memory of 480	1204	Inquiry Copy.exe	schtasks.exe
PID 1204 wrote to memory of 1036	1204	Inquiry Copy.exe	MSBuild.exe
PID 1204 wrote to memory of 1036	1204	Inquiry Copy.exe	MSBuild.exe
PID 1204 wrote to memory of 1036	1204	Inquiry Copy.exe	MSBuild.exe
PID 1204 wrote to memory of 1036	1204	Inquiry Copy.exe	MSBuild.exe
PID 1204 wrote to memory of 1036	1204	Inquiry Copy.exe	MSBuild.exe
PID 1204 wrote to memory of 1036	1204	Inquiry Copy.exe	MSBuild.exe
PID 1204 wrote to memory of 1036	1204	Inquiry Copy.exe	MSBuild.exe
PID 1204 wrote to memory of 1036	1204	Inquiry Copy.exe	MSBuild.exe
PID 1204 wrote to memory of 1036	1204	Inquiry Copy.exe	MSBuild.exe
PID 1036 wrote to memory of 1860	1036	MSBuild.exe	netsh.exe
PID 1036 wrote to memory of 1860	1036	MSBuild.exe	netsh.exe
PID 1036 wrote to memory of 1860	1036	MSBuild.exe	netsh.exe
PID 1036 wrote to memory of 1860	1036	MSBuild.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Inquiry Copy.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry Copy.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1204

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ttACusphqnbFa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9877.tmp"
2⤵
- Creates scheduled task(s)
PID:480

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1036

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1860

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

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9877.tmp
MD5
3d856782f8b077cfdec30afdb8dea00b

SHA1
6810a4defa1cf7df7ad7aa5e3f8e87e8e6fbab8c

SHA256
8ba60adb8e2c21090088efa4e978a25a6b45bc16e217f4a4adb7d841a8cc815b

SHA512
50f62d0616d2f83ce0aa1db86e73195b6686734ec13bba6f7e8a7e799c56a436b0e5fe7616e7ebd8e0c6d2fe72eb1e35a54ab39856b979314cf259919759a518

Download Submit
memory/480-2-0x0000000000000000-mapping.dmp

Download
memory/1036-4-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1036-5-0x000000000044CB2E-mapping.dmp

Download
memory/1036-6-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1036-7-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1204-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1860-8-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads