agenttesla | 4c0ba445450f16973c204aaab8265d888df2d38f822fbfcdf15249fbc3863356

Analysis

max time kernel
109s
max time network
98s
platform
windows10_x64
resource
win10v200722
submitted
27/08/2020, 05:40

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General

Target
PO.exe
Size 672KB
Sample200827-dn8lfge6c2
SHA256 4c0ba445450f16973c204aaab8265d888df2d38f822fbfcdf15249fbc3863356
MD5 3402e6194d0c64353d4faa339848d3d8
SHA1 c87d1dba3b9d2dd87ea468c56c263c304a65d3b9
SHA512 b0095127a37f65eb76ef9358c6bf44aec4f2b29c45782a72556e55dec6219ef7f32e19c631c933a777f14a5f70fa3dac50c5995acf0ebb034e6b0aa11827e103
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
Thegame1

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/3852-11-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral2/memory/3852-12-0x000000000046148E-mapping.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3056 set thread context of 3852	3056	PO.exe	76

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
3736	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3056	PO.exe
3056	PO.exe
3056	PO.exe
3056	PO.exe
3056	PO.exe
3056	PO.exe
3852	PO.exe
3852	PO.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3056	PO.exe
Token: SeDebugPrivilege	3852	PO.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 3736	3056	PO.exe	73
PID 3056 wrote to memory of 3736	3056	PO.exe	73
PID 3056 wrote to memory of 3736	3056	PO.exe	73
PID 3056 wrote to memory of 1468	3056	PO.exe	75
PID 3056 wrote to memory of 1468	3056	PO.exe	75
PID 3056 wrote to memory of 1468	3056	PO.exe	75
PID 3056 wrote to memory of 3852	3056	PO.exe	76
PID 3056 wrote to memory of 3852	3056	PO.exe	76
PID 3056 wrote to memory of 3852	3056	PO.exe	76
PID 3056 wrote to memory of 3852	3056	PO.exe	76
PID 3056 wrote to memory of 3852	3056	PO.exe	76
PID 3056 wrote to memory of 3852	3056	PO.exe	76
PID 3056 wrote to memory of 3852	3056	PO.exe	76
PID 3056 wrote to memory of 3852	3056	PO.exe	76

C:\Users\Admin\AppData\Local\Temp\PO.exe
"C:\Users\Admin\AppData\Local\Temp\PO.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NcgSKXJTiw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1320.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3736
- C:\Users\Admin\AppData\Local\Temp\PO.exe
  "{path}"
  2⤵
  PID:1468
- C:\Users\Admin\AppData\Local\Temp\PO.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3852

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

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3056-5-0x0000000005BC0000-0x0000000005BC1000-memory.dmp

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memory/3056-3-0x0000000002E20000-0x0000000002E27000-memory.dmp

Download

memory/3056-0-0x0000000073FF0000-0x00000000746DE000-memory.dmp

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memory/3056-6-0x0000000005FA0000-0x0000000006029000-memory.dmp

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memory/3056-7-0x0000000008600000-0x000000000867A000-memory.dmp

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memory/3056-8-0x000000000BED0000-0x000000000BED1000-memory.dmp

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memory/3056-1-0x0000000000C40000-0x0000000000C41000-memory.dmp

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memory/3056-4-0x00000000055D0000-0x00000000055D1000-memory.dmp

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memory/3852-11-0x0000000000400000-0x0000000000466000-memory.dmp

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memory/3852-14-0x0000000073FF0000-0x00000000746DE000-memory.dmp

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memory/3852-17-0x0000000005A80000-0x0000000005A81000-memory.dmp

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memory/3852-19-0x0000000005390000-0x0000000005391000-memory.dmp

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memory/3852-20-0x00000000059E0000-0x00000000059E1000-memory.dmp

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memory/3852-22-0x0000000006850000-0x0000000006851000-memory.dmp

Download