agenttesla | 2bfc51c6faabbc9e86cd76326b4e1bf94107abca7d933c66d63624dea8f4f51c

Analysis

max time kernel
137s
max time network
17s
platform
windows7_x64
resource
win7v200722
submitted
04/08/2020, 11:07

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General

Target
20200804.exe
Size 1.1MB
Sample200804-cwtqv7hc2n
SHA256 2bfc51c6faabbc9e86cd76326b4e1bf94107abca7d933c66d63624dea8f4f51c
MD5 9b4a8222862b3eb2e5b94d84aebd35d3
SHA1 840c391457aeb5b8bf366ece06db7bfac6d50e14
SHA512 493673195b9871678e6e01159ab0bde3c66114a65882782683136518021a794c74983dc0445a7297f7f31be632c204a486d1f09b80e69a750496fd50ede33c33
MD5 SHA1 SHA512

Score

10^/10

keylogger stealer spyware trojan agenttesla

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 108 set thread context of 1840	108	20200804.exe	26

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1840	20200804.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1840	20200804.exe
1840	20200804.exe

AgentTesla Payload 7 IoCs

keylogger stealer

resource	yara_rule
behavioral1/memory/1840-0-0x0000000000400000-0x000000000044A000-memory.dmp	agent_tesla
behavioral1/memory/1840-0-0x0000000000400000-0x000000000044A000-memory.dmp	agent_tesla
behavioral1/memory/1840-1-0x00000000004458BE-mapping.dmp	agent_tesla
behavioral1/memory/1840-2-0x0000000000400000-0x000000000044A000-memory.dmp	agent_tesla
behavioral1/memory/1840-2-0x0000000000400000-0x000000000044A000-memory.dmp	agent_tesla
behavioral1/memory/1840-3-0x0000000000400000-0x000000000044A000-memory.dmp	agent_tesla
behavioral1/memory/1840-3-0x0000000000400000-0x000000000044A000-memory.dmp	agent_tesla

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 108 wrote to memory of 1840	108	20200804.exe	26
PID 108 wrote to memory of 1840	108	20200804.exe	26
PID 108 wrote to memory of 1840	108	20200804.exe	26
PID 108 wrote to memory of 1840	108	20200804.exe	26
PID 108 wrote to memory of 1840	108	20200804.exe	26
PID 108 wrote to memory of 1840	108	20200804.exe	26
PID 108 wrote to memory of 1840	108	20200804.exe	26
PID 108 wrote to memory of 1840	108	20200804.exe	26
PID 108 wrote to memory of 1840	108	20200804.exe	26

C:\Users\Admin\AppData\Local\Temp\20200804.exe
"C:\Users\Admin\AppData\Local\Temp\20200804.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:108
- C:\Users\Admin\AppData\Local\Temp\20200804.exe
  "C:\Users\Admin\AppData\Local\Temp\20200804.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: EnumeratesProcesses
  PID:1840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1840-0-0x0000000000400000-0x000000000044A000-memory.dmp

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memory/1840-2-0x0000000000400000-0x000000000044A000-memory.dmp

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memory/1840-3-0x0000000000400000-0x000000000044A000-memory.dmp

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