agenttesla | acc4f3dec5d471c28db29b9e7877fa419d157ebaa44b51039fbae33d6e33ca02

Analysis

max time kernel
144s
max time network
111s
platform
windows10_x64
resource
win10v20201028
submitted
31/03/2021, 07:27

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General

Target
a29303f9b744d67a80643cc0b5d07a73.exe
Size 802KB
Sample210331-73x6gmsnsn
SHA256 acc4f3dec5d471c28db29b9e7877fa419d157ebaa44b51039fbae33d6e33ca02
MD5 a29303f9b744d67a80643cc0b5d07a73
SHA1 65223c839671f35951ea7d46afa51d42d1f5a3bb
SHA512 d63522dc7b03e9a18cb88ba44001f55e6377bdfd7c5449b86f7b2bc3b76b2debd7e2efdce5c87b912083d6a68a7ab5fbe14126f9a6b4bb2e7d330ea0e057b02a
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
webmail.1300dentrepair.com.au
Port
587
Username
[email protected]
Password
money123@@@

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/584-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/584-16-0x00000000004374FE-mapping.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4640 set thread context of 584	4640	a29303f9b744d67a80643cc0b5d07a73.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
3140	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4640	a29303f9b744d67a80643cc0b5d07a73.exe
584	a29303f9b744d67a80643cc0b5d07a73.exe
584	a29303f9b744d67a80643cc0b5d07a73.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4640	a29303f9b744d67a80643cc0b5d07a73.exe
Token: SeDebugPrivilege	584	a29303f9b744d67a80643cc0b5d07a73.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 3140	4640	a29303f9b744d67a80643cc0b5d07a73.exe	78
PID 4640 wrote to memory of 3140	4640	a29303f9b744d67a80643cc0b5d07a73.exe	78
PID 4640 wrote to memory of 3140	4640	a29303f9b744d67a80643cc0b5d07a73.exe	78
PID 4640 wrote to memory of 584	4640	a29303f9b744d67a80643cc0b5d07a73.exe	80
PID 4640 wrote to memory of 584	4640	a29303f9b744d67a80643cc0b5d07a73.exe	80
PID 4640 wrote to memory of 584	4640	a29303f9b744d67a80643cc0b5d07a73.exe	80
PID 4640 wrote to memory of 584	4640	a29303f9b744d67a80643cc0b5d07a73.exe	80
PID 4640 wrote to memory of 584	4640	a29303f9b744d67a80643cc0b5d07a73.exe	80
PID 4640 wrote to memory of 584	4640	a29303f9b744d67a80643cc0b5d07a73.exe	80
PID 4640 wrote to memory of 584	4640	a29303f9b744d67a80643cc0b5d07a73.exe	80
PID 4640 wrote to memory of 584	4640	a29303f9b744d67a80643cc0b5d07a73.exe	80

C:\Users\Admin\AppData\Local\Temp\a29303f9b744d67a80643cc0b5d07a73.exe
"C:\Users\Admin\AppData\Local\Temp\a29303f9b744d67a80643cc0b5d07a73.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4640
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wzuKZK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE5BD.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3140
- C:\Users\Admin\AppData\Local\Temp\a29303f9b744d67a80643cc0b5d07a73.exe
  "C:\Users\Admin\AppData\Local\Temp\a29303f9b744d67a80643cc0b5d07a73.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:584

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/584-24-0x0000000005E10000-0x0000000005E11000-memory.dmp

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memory/584-23-0x0000000005660000-0x0000000005661000-memory.dmp

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memory/584-22-0x00000000050B0000-0x00000000050B1000-memory.dmp

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memory/584-17-0x0000000073D60000-0x000000007444E000-memory.dmp

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memory/584-15-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/4640-7-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

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memory/4640-12-0x0000000004F60000-0x0000000004FC3000-memory.dmp

Download

memory/4640-11-0x00000000049E0000-0x00000000049E1000-memory.dmp

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memory/4640-10-0x0000000004A20000-0x0000000004A29000-memory.dmp

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memory/4640-9-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

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memory/4640-8-0x0000000004A00000-0x0000000004A01000-memory.dmp

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

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memory/4640-6-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

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memory/4640-5-0x0000000004A40000-0x0000000004A41000-memory.dmp

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

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