agenttesla | 43102baba4383d06d675a03ae51962493a841b6d15389bc82145df70fbbd47b7

General

Target

6 x 40ft Containers.exe
Size

465KB
MD5

aed60ac814a62d82531d6bd327570320
SHA1

863c5a7b2525ad3a3acd80cd9eb4a582dea5ab8f
SHA256

43102baba4383d06d675a03ae51962493a841b6d15389bc82145df70fbbd47b7
SHA512

a40a9aac4e5917ee75f962e2291fc96c5d384b253115194c31c06f5766fabd6b486ea76eafd562ba17c1f9ed25ca1f0e41d9fd5e9506d096396fb89c1609d1ae

Score

10^/10

agenttesla keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
sales01@seedwellresources.xyz
Password:
coronavirus2020

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/1292-7-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1292-8-0x0000000000446E8E-mapping.dmp	family_agenttesla
behavioral1/memory/1292-10-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1292-9-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

rezer0 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1320-4-0x0000000000A40000-0x0000000000A8D000-memory.dmp	rezer0

Suspicious use of SetThreadContext 1 IoCs

Processes:

6 x 40ft Containers.exe

description pid process target process

PID 1320 set thread context of 1292 1320 6 x 40ft Containers.exe RegSvcs.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

828 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1292 RegSvcs.exe
1292 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1292 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

1292 RegSvcs.exe

description	pid	process	target process
PID 1320 set thread context of 1292	1320	6 x 40ft Containers.exe	RegSvcs.exe

pid	process
828	schtasks.exe

pid	process
1292	RegSvcs.exe
1292	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1292	RegSvcs.exe

pid	process
1292	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

6 x 40ft Containers.exe

description	pid	process	target process
PID 1320 wrote to memory of 828	1320	6 x 40ft Containers.exe	schtasks.exe
PID 1320 wrote to memory of 828	1320	6 x 40ft Containers.exe	schtasks.exe
PID 1320 wrote to memory of 828	1320	6 x 40ft Containers.exe	schtasks.exe
PID 1320 wrote to memory of 828	1320	6 x 40ft Containers.exe	schtasks.exe
PID 1320 wrote to memory of 1292	1320	6 x 40ft Containers.exe	RegSvcs.exe
PID 1320 wrote to memory of 1292	1320	6 x 40ft Containers.exe	RegSvcs.exe
PID 1320 wrote to memory of 1292	1320	6 x 40ft Containers.exe	RegSvcs.exe
PID 1320 wrote to memory of 1292	1320	6 x 40ft Containers.exe	RegSvcs.exe
PID 1320 wrote to memory of 1292	1320	6 x 40ft Containers.exe	RegSvcs.exe
PID 1320 wrote to memory of 1292	1320	6 x 40ft Containers.exe	RegSvcs.exe
PID 1320 wrote to memory of 1292	1320	6 x 40ft Containers.exe	RegSvcs.exe
PID 1320 wrote to memory of 1292	1320	6 x 40ft Containers.exe	RegSvcs.exe
PID 1320 wrote to memory of 1292	1320	6 x 40ft Containers.exe	RegSvcs.exe
PID 1320 wrote to memory of 1292	1320	6 x 40ft Containers.exe	RegSvcs.exe
PID 1320 wrote to memory of 1292	1320	6 x 40ft Containers.exe	RegSvcs.exe
PID 1320 wrote to memory of 1292	1320	6 x 40ft Containers.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\6 x 40ft Containers.exe
"C:\Users\Admin\AppData\Local\Temp\6 x 40ft Containers.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1320

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vaYOZqrR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp15A3.tmp"
2⤵
- Creates scheduled task(s)
PID:828

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1292

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

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp15A3.tmp
MD5
79e8fd9889a80ef4e31fd6e63f1e464b

SHA1
975ef59afec1c51fbf47eb1b9773429cc274faf4

SHA256
30b18a2a177380a22f1138bb11999fe1d894dcaba977f373cf7c47b8c4df1f81

SHA512
ff64f3d54a18d228baec622f2e68784bf42b729077b7e8fe9741387012d625e640f847fa4998174f20cf7d0cd2cb59d2049865caa35685100e21373bea1d4e3a

Download Submit
memory/828-5-0x0000000000000000-mapping.dmp

Download
memory/1292-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1292-8-0x0000000000446E8E-mapping.dmp

Download
memory/1292-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1292-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1292-11-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/1320-0-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/1320-1-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download
memory/1320-3-0x00000000004B0000-0x00000000004BF000-memory.dmp

Filesize
60KB

Download
memory/1320-4-0x0000000000A40000-0x0000000000A8D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads