agenttesla | d46ccbfb32d6c514c41f244b5bd4f26d58e5f20e3c47ce04e8140d232a4b4e59

General

Target

FWD_2020080317368428389989134962381931603322231765263557.exe
Size

730KB
MD5

0d61b4602c75404e9602028386be0b64
SHA1

205e954e6482520aa4b0a83010839d4e2a74a3ad
SHA256

b5f13642aea2fab7e7172b1b93f7d154e80b1675de919b4b7b9f0c5b943ab67e
SHA512

705687cbf0fa908945b7b81252e493a42e26a3fdc0f74b2c9018776399d00b3657218ef3bb280010b6ae9b68937da74681ab0b4c2b2b0c0f5bab3f8e9a789c69

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.dragon-pack.com
Port:
587
Username:
[email protected]
Password:
LYNAHRDt12

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/852-64-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/852-65-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/852-66-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/852-67-0x00000000004546DE-mapping.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:

FWD_2020080317368428389989134962381931603322231765263557.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	FWD_2020080317368428389989134962381931603322231765263557.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	FWD_2020080317368428389989134962381931603322231765263557.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:

FWD_2020080317368428389989134962381931603322231765263557.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	FWD_2020080317368428389989134962381931603322231765263557.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	FWD_2020080317368428389989134962381931603322231765263557.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

FWD_2020080317368428389989134962381931603322231765263557.exe

description	pid	process	target process
PID 1884 set thread context of 852	1884	FWD_2020080317368428389989134962381931603322231765263557.exe	FWD_2020080317368428389989134962381931603322231765263557.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

1192 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

FWD_2020080317368428389989134962381931603322231765263557.exe

pid process

1884 FWD_2020080317368428389989134962381931603322231765263557.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

FWD_2020080317368428389989134962381931603322231765263557.exe

description pid process

Token: SeDebugPrivilege 1884 FWD_2020080317368428389989134962381931603322231765263557.exe

pid	process
1192	schtasks.exe

pid	process
1884	FWD_2020080317368428389989134962381931603322231765263557.exe

description	pid	process
Token: SeDebugPrivilege	1884	FWD_2020080317368428389989134962381931603322231765263557.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

FWD_2020080317368428389989134962381931603322231765263557.exe

description	pid	process	target process
PID 1884 wrote to memory of 1192	1884	FWD_2020080317368428389989134962381931603322231765263557.exe	schtasks.exe
PID 1884 wrote to memory of 1192	1884	FWD_2020080317368428389989134962381931603322231765263557.exe	schtasks.exe
PID 1884 wrote to memory of 1192	1884	FWD_2020080317368428389989134962381931603322231765263557.exe	schtasks.exe
PID 1884 wrote to memory of 1192	1884	FWD_2020080317368428389989134962381931603322231765263557.exe	schtasks.exe
PID 1884 wrote to memory of 852	1884	FWD_2020080317368428389989134962381931603322231765263557.exe	FWD_2020080317368428389989134962381931603322231765263557.exe
PID 1884 wrote to memory of 852	1884	FWD_2020080317368428389989134962381931603322231765263557.exe	FWD_2020080317368428389989134962381931603322231765263557.exe
PID 1884 wrote to memory of 852	1884	FWD_2020080317368428389989134962381931603322231765263557.exe	FWD_2020080317368428389989134962381931603322231765263557.exe
PID 1884 wrote to memory of 852	1884	FWD_2020080317368428389989134962381931603322231765263557.exe	FWD_2020080317368428389989134962381931603322231765263557.exe
PID 1884 wrote to memory of 852	1884	FWD_2020080317368428389989134962381931603322231765263557.exe	FWD_2020080317368428389989134962381931603322231765263557.exe
PID 1884 wrote to memory of 852	1884	FWD_2020080317368428389989134962381931603322231765263557.exe	FWD_2020080317368428389989134962381931603322231765263557.exe
PID 1884 wrote to memory of 852	1884	FWD_2020080317368428389989134962381931603322231765263557.exe	FWD_2020080317368428389989134962381931603322231765263557.exe
PID 1884 wrote to memory of 852	1884	FWD_2020080317368428389989134962381931603322231765263557.exe	FWD_2020080317368428389989134962381931603322231765263557.exe
PID 1884 wrote to memory of 852	1884	FWD_2020080317368428389989134962381931603322231765263557.exe	FWD_2020080317368428389989134962381931603322231765263557.exe

C:\Users\Admin\AppData\Local\Temp\FWD_2020080317368428389989134962381931603322231765263557.exe
"C:\Users\Admin\AppData\Local\Temp\FWD_2020080317368428389989134962381931603322231765263557.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:1884

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TrZOOeSc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1739.tmp"
2⤵
- Creates scheduled task(s)
PID:1192

C:\Users\Admin\AppData\Local\Temp\FWD_2020080317368428389989134962381931603322231765263557.exe
"C:\Users\Admin\AppData\Local\Temp\FWD_2020080317368428389989134962381931603322231765263557.exe"
2⤵
PID:852

Network

MITRE ATT&CK Enterprise 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

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1739.tmp

Filesize
1KB

MD5
7d2b6530826ac6621c729de5f90245cd

SHA1
73e039954e2dd0db6a411d327586fec83e958899

SHA256
fe13120acd99bad3baf893cfdc52d55e0e7012c56c736a5309c3f281e6248528

SHA512
83a60ca4f9494f4504db59a2c5d61a19c15ea11731eab49fd569cbee2d050b54abe9ded732b534c6faf30fdaf3017123edbfd25a328c0cd92a574265117941b6

Download Submit
memory/852-64-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/852-61-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/852-62-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/852-65-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/852-66-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/852-67-0x00000000004546DE-mapping.dmp

Download
memory/1192-59-0x0000000000000000-mapping.dmp

Download
memory/1884-56-0x0000000000920000-0x0000000000932000-memory.dmp

Filesize
72KB

Download
memory/1884-57-0x0000000005220000-0x0000000005294000-memory.dmp

Filesize
464KB

Download
memory/1884-58-0x0000000005290000-0x00000000052EA000-memory.dmp

Filesize
360KB

Download
memory/1884-55-0x00000000754A1000-0x00000000754A3000-memory.dmp

Filesize
8KB

Download
memory/1884-54-0x0000000000B80000-0x0000000000C3E000-memory.dmp

Filesize
760KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads