agenttesla | c8e78966daecc2153849bca8aae0918baa8ef2ca610d23a4cdfccedaffc9fc7d

General

Target

PO00211.exe
Size

670KB
MD5

2b12a266317f002c205011fa1958072c
SHA1

07e6859611698f37aa9c4011f76907aafe524218
SHA256

dff297acb567f990471dca2871adee15229e572c35fef5fd20eb9a1428946c04
SHA512

444f0444202f3c4c67cdf3deeb479233041edd4d7a16c0240b729173b5781322278d21abb9e55eb09668795e1121a77ea9ffd11735823a08b109f064969f67b8
SSDEEP

12288:J0FJzi8LkpEaAxx1Qy0+9+WTehgXkWP3DdFsOFHplgCIQlHzWH4jdmeO1W+TLTuU:KT2jE3LS7+99fXxP3DdFnFJ2CIQBgcdO

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.activefreightpak.com
Port:
587
Username:
[email protected]
Password:
AFSPL**77**
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

1312 powershell.exe
3060 powershell.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
1312	powershell.exe
3060	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

PO00211.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\bnFClsT = "C:\\Users\\Admin\\AppData\\Roaming\\bnFClsT\\bnFClsT.exe"	PO00211.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 api.ipify.org
3 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO00211.exe

description pid process target process

PID 1224 set thread context of 2784 1224 PO00211.exe PO00211.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

2644 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

PO00211.exePO00211.exepowershell.exepowershell.exe

pid process

1224 PO00211.exe
1224 PO00211.exe
2784 PO00211.exe
2784 PO00211.exe
3060 powershell.exe
1312 powershell.exe

flow	ioc
2	api.ipify.org
3	api.ipify.org

description	pid	process	target process
PID 1224 set thread context of 2784	1224	PO00211.exe	PO00211.exe

pid	process
2644	schtasks.exe

pid	process
1224	PO00211.exe
1224	PO00211.exe
2784	PO00211.exe
2784	PO00211.exe
3060	powershell.exe
1312	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

PO00211.exePO00211.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1224	PO00211.exe
Token: SeDebugPrivilege	2784	PO00211.exe
Token: SeDebugPrivilege	3060	powershell.exe
Token: SeDebugPrivilege	1312	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO00211.exe

pid process

2784 PO00211.exe

pid	process
2784	PO00211.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

PO00211.exe

description	pid	process	target process
PID 1224 wrote to memory of 1312	1224	PO00211.exe	powershell.exe
PID 1224 wrote to memory of 1312	1224	PO00211.exe	powershell.exe
PID 1224 wrote to memory of 1312	1224	PO00211.exe	powershell.exe
PID 1224 wrote to memory of 1312	1224	PO00211.exe	powershell.exe
PID 1224 wrote to memory of 3060	1224	PO00211.exe	powershell.exe
PID 1224 wrote to memory of 3060	1224	PO00211.exe	powershell.exe
PID 1224 wrote to memory of 3060	1224	PO00211.exe	powershell.exe
PID 1224 wrote to memory of 3060	1224	PO00211.exe	powershell.exe
PID 1224 wrote to memory of 2644	1224	PO00211.exe	schtasks.exe
PID 1224 wrote to memory of 2644	1224	PO00211.exe	schtasks.exe
PID 1224 wrote to memory of 2644	1224	PO00211.exe	schtasks.exe
PID 1224 wrote to memory of 2644	1224	PO00211.exe	schtasks.exe
PID 1224 wrote to memory of 2784	1224	PO00211.exe	PO00211.exe
PID 1224 wrote to memory of 2784	1224	PO00211.exe	PO00211.exe
PID 1224 wrote to memory of 2784	1224	PO00211.exe	PO00211.exe
PID 1224 wrote to memory of 2784	1224	PO00211.exe	PO00211.exe
PID 1224 wrote to memory of 2784	1224	PO00211.exe	PO00211.exe
PID 1224 wrote to memory of 2784	1224	PO00211.exe	PO00211.exe
PID 1224 wrote to memory of 2784	1224	PO00211.exe	PO00211.exe
PID 1224 wrote to memory of 2784	1224	PO00211.exe	PO00211.exe
PID 1224 wrote to memory of 2784	1224	PO00211.exe	PO00211.exe

C:\Users\Admin\AppData\Local\Temp\PO00211.exe
"C:\Users\Admin\AppData\Local\Temp\PO00211.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO00211.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1312
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eeOuEr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3060
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eeOuEr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5C72.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2644
- C:\Users\Admin\AppData\Local\Temp\PO00211.exe
  "C:\Users\Admin\AppData\Local\Temp\PO00211.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5C72.tmp

Filesize
1KB

MD5
0cf7d82cff3913757423435288cbac91

SHA1
46da68500f92c958a0b3c488931879d405f58314

SHA256
665d98e20fcf5d4c71ad65df50a2530a8a8278d1e94e875b4653703abd7aacf8

SHA512
f14868ba130e4808b1e841e97c634dbd56ec7f21fcf440b784c193ee1ea71e51786784feacd655c4b99693c1b914229e1d4bc8cfb84bd996e120cef01a10d0e1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\597YTLGU08YLUNQNWQSC.temp

Filesize
7KB

MD5
bc4d72cb9e81222fcd775ebe61283516

SHA1
5c696afc6609cd64dfc692a237970a3a8eb02ab4

SHA256
836908d5e6d368f00963dce437d80affa58f751b282114965138396f7b4a5345

SHA512
66fff733d1bf52c46c7c4b521576b5b631242f4c7b9d88b5fa7a4414fc0c0e151708db489ae307036eaab7fe0ed32e2f20ce2236d35c34229c1062f1f1b50eb8

Download Submit
memory/1224-31-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/1224-1-0x00000000002C0000-0x000000000036A000-memory.dmp

Filesize
680KB

Download
memory/1224-2-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/1224-3-0x00000000007C0000-0x00000000007DA000-memory.dmp

Filesize
104KB

Download
memory/1224-4-0x0000000000450000-0x0000000000460000-memory.dmp

Filesize
64KB

Download
memory/1224-5-0x00000000052B0000-0x0000000005334000-memory.dmp

Filesize
528KB

Download
memory/1224-0-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/2784-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2784-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2784-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2784-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2784-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2784-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2784-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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