agenttesla | dcf25c53393531d6afc2680fcedbb77d4826e4d109fbb001d3aaaed01798b867

Analysis

max time kernel
148s
max time network
152s
platform
windows10_x64
resource
win10v20201028
submitted
08/03/2021, 14:04

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General

Target
982964da6635c5f730d427fee80c3e5a.exe
Size 3.8MB
Sample210308-s44jtngjdn
SHA256 dcf25c53393531d6afc2680fcedbb77d4826e4d109fbb001d3aaaed01798b867
MD5 982964da6635c5f730d427fee80c3e5a
SHA1 30899b5f2ae660185885527a4050fa976ea54abd
SHA512 a6b3fe997eba49472d3b45bc4caae28570a1c8a9caa37be03f8b38e87100ec2e7ac625519147208d37affbcc1806e62da584f2b6a5a85297af6044bb35a93da1
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/1800-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1800-16-0x000000000043762E-mapping.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 728 set thread context of 1800	728	982964da6635c5f730d427fee80c3e5a.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
2724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1800	982964da6635c5f730d427fee80c3e5a.exe
1800	982964da6635c5f730d427fee80c3e5a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1800	982964da6635c5f730d427fee80c3e5a.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 2724	728	982964da6635c5f730d427fee80c3e5a.exe	78
PID 728 wrote to memory of 2724	728	982964da6635c5f730d427fee80c3e5a.exe	78
PID 728 wrote to memory of 2724	728	982964da6635c5f730d427fee80c3e5a.exe	78
PID 728 wrote to memory of 1800	728	982964da6635c5f730d427fee80c3e5a.exe	80
PID 728 wrote to memory of 1800	728	982964da6635c5f730d427fee80c3e5a.exe	80
PID 728 wrote to memory of 1800	728	982964da6635c5f730d427fee80c3e5a.exe	80
PID 728 wrote to memory of 1800	728	982964da6635c5f730d427fee80c3e5a.exe	80
PID 728 wrote to memory of 1800	728	982964da6635c5f730d427fee80c3e5a.exe	80
PID 728 wrote to memory of 1800	728	982964da6635c5f730d427fee80c3e5a.exe	80
PID 728 wrote to memory of 1800	728	982964da6635c5f730d427fee80c3e5a.exe	80
PID 728 wrote to memory of 1800	728	982964da6635c5f730d427fee80c3e5a.exe	80

C:\Users\Admin\AppData\Local\Temp\982964da6635c5f730d427fee80c3e5a.exe
"C:\Users\Admin\AppData\Local\Temp\982964da6635c5f730d427fee80c3e5a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:728
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nHiBkeRpYL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE2CF.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2724
- C:\Users\Admin\AppData\Local\Temp\982964da6635c5f730d427fee80c3e5a.exe
  "C:\Users\Admin\AppData\Local\Temp\982964da6635c5f730d427fee80c3e5a.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1800

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

Replay Monitor

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Downloads

memory/728-11-0x0000000007D00000-0x0000000007D07000-memory.dmp

Download

memory/728-5-0x00000000078C0000-0x00000000078C1000-memory.dmp

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memory/728-7-0x0000000007960000-0x0000000007961000-memory.dmp

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memory/728-8-0x0000000005390000-0x0000000005391000-memory.dmp

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memory/728-9-0x00000000053D0000-0x00000000053D1000-memory.dmp

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memory/728-10-0x0000000007B30000-0x0000000007B31000-memory.dmp

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memory/728-2-0x00000000730E0000-0x00000000737CE000-memory.dmp

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memory/728-12-0x0000000008640000-0x00000000086E1000-memory.dmp

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memory/728-3-0x0000000000790000-0x0000000000791000-memory.dmp

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memory/728-6-0x0000000007E60000-0x0000000007E61000-memory.dmp

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memory/1800-15-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1800-18-0x00000000730E0000-0x00000000737CE000-memory.dmp

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memory/1800-23-0x0000000003150000-0x0000000003151000-memory.dmp

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memory/1800-24-0x0000000006310000-0x0000000006311000-memory.dmp

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memory/1800-25-0x00000000063B0000-0x00000000063B1000-memory.dmp

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