agenttesla | 5d76a173559f80d48cdd566e29eca3f8b04e6b58b0cb9859360c994a3ec70ea2

Analysis

max time kernel
142s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 11:43

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General

Target
786f84dc31f801a33ccf031ba8ac9af9.exe
Size 745KB
Sample210503-mkabxb725e
SHA256 5d76a173559f80d48cdd566e29eca3f8b04e6b58b0cb9859360c994a3ec70ea2
MD5 786f84dc31f801a33ccf031ba8ac9af9
SHA1 4d4e9042d3b4bda199a50d76545ec3eac5d48522
SHA512 cedd393165f763a454df53c2bdeabc3c563b4e306a3f4c933d963a0a220351f8bf62f8845ecc759f4e91b12cf7eb37b5ab09ceb0d1f1f894e8d09260c97f706b
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.nilkarnal.com
Port
587
Username
[email protected]
Password
company1960

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral2/memory/4016-127-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4016-128-0x00000000004375FE-mapping.dmp	family_agenttesla
behavioral2/memory/4016-134-0x0000000005640000-0x0000000005B3E000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4064 set thread context of 4016	4064	786f84dc31f801a33ccf031ba8ac9af9.exe	81

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

pid	Process
3960	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4064	786f84dc31f801a33ccf031ba8ac9af9.exe
4016	786f84dc31f801a33ccf031ba8ac9af9.exe
4016	786f84dc31f801a33ccf031ba8ac9af9.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4064	786f84dc31f801a33ccf031ba8ac9af9.exe
Token: SeDebugPrivilege	4016	786f84dc31f801a33ccf031ba8ac9af9.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 3960	4064	786f84dc31f801a33ccf031ba8ac9af9.exe	79
PID 4064 wrote to memory of 3960	4064	786f84dc31f801a33ccf031ba8ac9af9.exe	79
PID 4064 wrote to memory of 3960	4064	786f84dc31f801a33ccf031ba8ac9af9.exe	79
PID 4064 wrote to memory of 4016	4064	786f84dc31f801a33ccf031ba8ac9af9.exe	81
PID 4064 wrote to memory of 4016	4064	786f84dc31f801a33ccf031ba8ac9af9.exe	81
PID 4064 wrote to memory of 4016	4064	786f84dc31f801a33ccf031ba8ac9af9.exe	81
PID 4064 wrote to memory of 4016	4064	786f84dc31f801a33ccf031ba8ac9af9.exe	81
PID 4064 wrote to memory of 4016	4064	786f84dc31f801a33ccf031ba8ac9af9.exe	81
PID 4064 wrote to memory of 4016	4064	786f84dc31f801a33ccf031ba8ac9af9.exe	81
PID 4064 wrote to memory of 4016	4064	786f84dc31f801a33ccf031ba8ac9af9.exe	81
PID 4064 wrote to memory of 4016	4064	786f84dc31f801a33ccf031ba8ac9af9.exe	81

C:\Users\Admin\AppData\Local\Temp\786f84dc31f801a33ccf031ba8ac9af9.exe
"C:\Users\Admin\AppData\Local\Temp\786f84dc31f801a33ccf031ba8ac9af9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4064
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\upztKiHrDLyXf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA009.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3960
- C:\Users\Admin\AppData\Local\Temp\786f84dc31f801a33ccf031ba8ac9af9.exe
  "C:\Users\Admin\AppData\Local\Temp\786f84dc31f801a33ccf031ba8ac9af9.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4016

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4016-136-0x00000000063A0000-0x00000000063A1000-memory.dmp

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memory/4016-135-0x0000000005820000-0x0000000005821000-memory.dmp

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memory/4016-134-0x0000000005640000-0x0000000005B3E000-memory.dmp

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memory/4016-127-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/4064-119-0x00000000050C0000-0x00000000050C1000-memory.dmp

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memory/4064-124-0x00000000083B0000-0x000000000841F000-memory.dmp

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memory/4064-123-0x0000000005E50000-0x0000000005EFC000-memory.dmp

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memory/4064-122-0x00000000050C0000-0x00000000055BE000-memory.dmp

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memory/4064-121-0x0000000005560000-0x000000000556E000-memory.dmp

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memory/4064-120-0x0000000005380000-0x0000000005381000-memory.dmp

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memory/4064-114-0x0000000000750000-0x0000000000751000-memory.dmp

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memory/4064-118-0x0000000005160000-0x0000000005161000-memory.dmp

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memory/4064-117-0x00000000055C0000-0x00000000055C1000-memory.dmp

Download

memory/4064-116-0x0000000004FF0000-0x0000000004FF1000-memory.dmp

Download