agenttesla | e99bae3896aa527b7e77c3ecda493364d913cfa2ddf1ef0b1a072d9f4289764f

Analysis

max time kernel
148s
max time network
115s
platform
windows10_x64
resource
win10v20201028
submitted
03/03/2021, 07:18

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General

Target
89cb887819a7dd60c71a3cc010f5650f.exe
Size 687KB
Sample210303-beem9ga2ze
SHA256 e99bae3896aa527b7e77c3ecda493364d913cfa2ddf1ef0b1a072d9f4289764f
MD5 89cb887819a7dd60c71a3cc010f5650f
SHA1 e555f7217103455ad22c146046c88048b5c2c2e5
SHA512 6df31c5e47cd87fc8ae6b81639342a8ac2a41957e593dc92b1fcc99c6e8872f7ed8f1cc961080efd4292941fe8ce3d4a1d09ed84b26e200a12d3990307c5d49b
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.privateemail.com
Port
587
Username
[email protected]
Password
Blessings@12345

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/4076-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4076-16-0x00000000004374AE-mapping.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 744 set thread context of 4076	744	89cb887819a7dd60c71a3cc010f5650f.exe	82

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
1504	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
744	89cb887819a7dd60c71a3cc010f5650f.exe
744	89cb887819a7dd60c71a3cc010f5650f.exe
744	89cb887819a7dd60c71a3cc010f5650f.exe
4076	89cb887819a7dd60c71a3cc010f5650f.exe
4076	89cb887819a7dd60c71a3cc010f5650f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	744	89cb887819a7dd60c71a3cc010f5650f.exe
Token: SeDebugPrivilege	4076	89cb887819a7dd60c71a3cc010f5650f.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 744 wrote to memory of 1504	744	89cb887819a7dd60c71a3cc010f5650f.exe	79
PID 744 wrote to memory of 1504	744	89cb887819a7dd60c71a3cc010f5650f.exe	79
PID 744 wrote to memory of 1504	744	89cb887819a7dd60c71a3cc010f5650f.exe	79
PID 744 wrote to memory of 3960	744	89cb887819a7dd60c71a3cc010f5650f.exe	81
PID 744 wrote to memory of 3960	744	89cb887819a7dd60c71a3cc010f5650f.exe	81
PID 744 wrote to memory of 3960	744	89cb887819a7dd60c71a3cc010f5650f.exe	81
PID 744 wrote to memory of 4076	744	89cb887819a7dd60c71a3cc010f5650f.exe	82
PID 744 wrote to memory of 4076	744	89cb887819a7dd60c71a3cc010f5650f.exe	82
PID 744 wrote to memory of 4076	744	89cb887819a7dd60c71a3cc010f5650f.exe	82
PID 744 wrote to memory of 4076	744	89cb887819a7dd60c71a3cc010f5650f.exe	82
PID 744 wrote to memory of 4076	744	89cb887819a7dd60c71a3cc010f5650f.exe	82
PID 744 wrote to memory of 4076	744	89cb887819a7dd60c71a3cc010f5650f.exe	82
PID 744 wrote to memory of 4076	744	89cb887819a7dd60c71a3cc010f5650f.exe	82
PID 744 wrote to memory of 4076	744	89cb887819a7dd60c71a3cc010f5650f.exe	82

C:\Users\Admin\AppData\Local\Temp\89cb887819a7dd60c71a3cc010f5650f.exe
"C:\Users\Admin\AppData\Local\Temp\89cb887819a7dd60c71a3cc010f5650f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:744
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CeFrXiN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4C38.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1504
- C:\Users\Admin\AppData\Local\Temp\89cb887819a7dd60c71a3cc010f5650f.exe
  "C:\Users\Admin\AppData\Local\Temp\89cb887819a7dd60c71a3cc010f5650f.exe"
  2⤵
  PID:3960
- C:\Users\Admin\AppData\Local\Temp\89cb887819a7dd60c71a3cc010f5650f.exe
  "C:\Users\Admin\AppData\Local\Temp\89cb887819a7dd60c71a3cc010f5650f.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4076

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/744-11-0x00000000058E0000-0x00000000058E7000-memory.dmp

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memory/744-12-0x0000000001990000-0x00000000019EE000-memory.dmp

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memory/744-6-0x0000000005F20000-0x0000000005F21000-memory.dmp

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memory/744-7-0x0000000005A20000-0x0000000005A21000-memory.dmp

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memory/744-8-0x00000000058A0000-0x00000000058A1000-memory.dmp

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memory/744-9-0x0000000005BD0000-0x0000000005BD1000-memory.dmp

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memory/744-10-0x0000000005AC0000-0x0000000005AC1000-memory.dmp

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memory/744-2-0x0000000073A20000-0x000000007410E000-memory.dmp

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memory/744-5-0x0000000005910000-0x0000000005911000-memory.dmp

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memory/744-3-0x0000000000FE0000-0x0000000000FE1000-memory.dmp

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memory/4076-15-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/4076-17-0x0000000073A20000-0x000000007410E000-memory.dmp

Download

memory/4076-22-0x0000000002BD0000-0x0000000002BD1000-memory.dmp

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memory/4076-23-0x0000000005DD0000-0x0000000005DD1000-memory.dmp

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memory/4076-24-0x0000000005E60000-0x0000000005E61000-memory.dmp

Download