agenttesla | 733eb03ef38af546cb67e52d53cfa696ae978fd7884fbdf1971c577c08b70c27

Analysis

max time kernel
146s
max time network
112s
platform
windows10_x64
resource
win10v20201028
submitted
06/03/2021, 19:06

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General

Target
e8a3a64aee39042a3c71889b62a76f46.exe
Size 553KB
Sample210306-a286pykdxs
SHA256 733eb03ef38af546cb67e52d53cfa696ae978fd7884fbdf1971c577c08b70c27
MD5 e8a3a64aee39042a3c71889b62a76f46
SHA1 ac81de0cec44eb4521705f2d779c6637041c8e74
SHA512 d0c7f85580586616b5c0e468c0cfa63bd72dd793d735f5235f018b6ca248663ac103034686b75b5197358cd80ddda9578a6a6af07be7c70fc63247a041d922b4
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.yandex.com
Port
587
Username
[email protected]
Password
browse9ja

Signatures

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

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3168-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3168-16-0x000000000043762E-mapping.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4640 set thread context of 3168	4640	e8a3a64aee39042a3c71889b62a76f46.exe	80

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
4184	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3168	e8a3a64aee39042a3c71889b62a76f46.exe
3168	e8a3a64aee39042a3c71889b62a76f46.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3168	e8a3a64aee39042a3c71889b62a76f46.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 4184	4640	e8a3a64aee39042a3c71889b62a76f46.exe	78
PID 4640 wrote to memory of 4184	4640	e8a3a64aee39042a3c71889b62a76f46.exe	78
PID 4640 wrote to memory of 4184	4640	e8a3a64aee39042a3c71889b62a76f46.exe	78
PID 4640 wrote to memory of 3168	4640	e8a3a64aee39042a3c71889b62a76f46.exe	80
PID 4640 wrote to memory of 3168	4640	e8a3a64aee39042a3c71889b62a76f46.exe	80
PID 4640 wrote to memory of 3168	4640	e8a3a64aee39042a3c71889b62a76f46.exe	80
PID 4640 wrote to memory of 3168	4640	e8a3a64aee39042a3c71889b62a76f46.exe	80
PID 4640 wrote to memory of 3168	4640	e8a3a64aee39042a3c71889b62a76f46.exe	80
PID 4640 wrote to memory of 3168	4640	e8a3a64aee39042a3c71889b62a76f46.exe	80
PID 4640 wrote to memory of 3168	4640	e8a3a64aee39042a3c71889b62a76f46.exe	80
PID 4640 wrote to memory of 3168	4640	e8a3a64aee39042a3c71889b62a76f46.exe	80

C:\Users\Admin\AppData\Local\Temp\e8a3a64aee39042a3c71889b62a76f46.exe
"C:\Users\Admin\AppData\Local\Temp\e8a3a64aee39042a3c71889b62a76f46.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4640
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rHNeDeNpYGtlOu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEACE.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4184
- C:\Users\Admin\AppData\Local\Temp\e8a3a64aee39042a3c71889b62a76f46.exe
  "C:\Users\Admin\AppData\Local\Temp\e8a3a64aee39042a3c71889b62a76f46.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3168

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/3168-25-0x0000000006500000-0x0000000006501000-memory.dmp

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memory/3168-24-0x0000000005960000-0x0000000005961000-memory.dmp

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memory/3168-23-0x0000000005980000-0x0000000005981000-memory.dmp

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memory/3168-18-0x0000000073D60000-0x000000007444E000-memory.dmp

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memory/3168-15-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/4640-7-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

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memory/4640-12-0x0000000005610000-0x000000000566D000-memory.dmp

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memory/4640-11-0x00000000049A0000-0x00000000049A1000-memory.dmp

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memory/4640-10-0x00000000049C0000-0x00000000049C7000-memory.dmp

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memory/4640-9-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

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memory/4640-8-0x0000000004990000-0x0000000004991000-memory.dmp

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memory/4640-2-0x0000000073D60000-0x000000007444E000-memory.dmp

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memory/4640-6-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

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memory/4640-5-0x0000000004A10000-0x0000000004A11000-memory.dmp

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memory/4640-3-0x0000000000100000-0x0000000000101000-memory.dmp

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