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

2320 powershell.exe
1584 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
2320	powershell.exe
1584	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-1-5-21-1298544033-3225604241-2703760938-1000\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

5 api.ipify.org
4 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO00211.exe

description pid process target process

PID 2148 set thread context of 2648 2148 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

2312 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

PO00211.exePO00211.exepowershell.exepowershell.exe

pid process

2148 PO00211.exe
2148 PO00211.exe
2648 PO00211.exe
2648 PO00211.exe
1584 powershell.exe
2320 powershell.exe

flow	ioc
5	api.ipify.org
4	api.ipify.org

description	pid	process	target process
PID 2148 set thread context of 2648	2148	PO00211.exe	PO00211.exe

pid	process
2312	schtasks.exe

pid	process
2148	PO00211.exe
2148	PO00211.exe
2648	PO00211.exe
2648	PO00211.exe
1584	powershell.exe
2320	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

PO00211.exePO00211.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2148	PO00211.exe
Token: SeDebugPrivilege	2648	PO00211.exe
Token: SeDebugPrivilege	1584	powershell.exe
Token: SeDebugPrivilege	2320	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO00211.exe

pid process

2648 PO00211.exe

pid	process
2648	PO00211.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

PO00211.exe

description	pid	process	target process
PID 2148 wrote to memory of 2320	2148	PO00211.exe	powershell.exe
PID 2148 wrote to memory of 2320	2148	PO00211.exe	powershell.exe
PID 2148 wrote to memory of 2320	2148	PO00211.exe	powershell.exe
PID 2148 wrote to memory of 2320	2148	PO00211.exe	powershell.exe
PID 2148 wrote to memory of 1584	2148	PO00211.exe	powershell.exe
PID 2148 wrote to memory of 1584	2148	PO00211.exe	powershell.exe
PID 2148 wrote to memory of 1584	2148	PO00211.exe	powershell.exe
PID 2148 wrote to memory of 1584	2148	PO00211.exe	powershell.exe
PID 2148 wrote to memory of 2312	2148	PO00211.exe	schtasks.exe
PID 2148 wrote to memory of 2312	2148	PO00211.exe	schtasks.exe
PID 2148 wrote to memory of 2312	2148	PO00211.exe	schtasks.exe
PID 2148 wrote to memory of 2312	2148	PO00211.exe	schtasks.exe
PID 2148 wrote to memory of 2648	2148	PO00211.exe	PO00211.exe
PID 2148 wrote to memory of 2648	2148	PO00211.exe	PO00211.exe
PID 2148 wrote to memory of 2648	2148	PO00211.exe	PO00211.exe
PID 2148 wrote to memory of 2648	2148	PO00211.exe	PO00211.exe
PID 2148 wrote to memory of 2648	2148	PO00211.exe	PO00211.exe
PID 2148 wrote to memory of 2648	2148	PO00211.exe	PO00211.exe
PID 2148 wrote to memory of 2648	2148	PO00211.exe	PO00211.exe
PID 2148 wrote to memory of 2648	2148	PO00211.exe	PO00211.exe
PID 2148 wrote to memory of 2648	2148	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:2148
- 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:2320
- 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:1584
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eeOuEr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D55.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2312
- 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:2648

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\tmp4D55.tmp

Filesize
1KB

MD5
3d5ff93bf096c180d0a2a6cd95c6d83f

SHA1
8c45eb482f14319092184c72479ce6a7161c616e

SHA256
40c9d44255563b3bb60978b84ec1354ee72ec377800a11367d141e710dfc2672

SHA512
ecc6f37306e0e14f4af29a201fdbd92fed0c7605f97b672f9c7cae57a7cc567ae83acf01f7fd26fa27b79b8e3fd14bbc60746f4dd6d3828167e5fc79e332fc6f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\9DHRBO1Y504EA50IHZ9J.temp

Filesize
7KB

MD5
56f463b002d2a689cf64a124e09866b4

SHA1
f957353b63b4c5520cea755254b6fc3fae4f463f

SHA256
a9a05957a4b75c2362534496e8a30b71d3e1c10cfea5174e5740357005bcb936

SHA512
157f0c7bd4bfcb3c4b5397bcf9851d55fce6a445a3a20daf5fa654a167a5188d8c1134230b014f77574277438d25024be622078530723d5e45acf2d8e60a4057

Download Submit
memory/2148-30-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2148-1-0x0000000000B40000-0x0000000000BEA000-memory.dmp

Filesize
680KB

Download
memory/2148-2-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2148-3-0x0000000000390000-0x00000000003AA000-memory.dmp

Filesize
104KB

Download
memory/2148-4-0x0000000000350000-0x0000000000360000-memory.dmp

Filesize
64KB

Download
memory/2148-5-0x0000000005410000-0x0000000005494000-memory.dmp

Filesize
528KB

Download
memory/2148-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2648-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2648-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2648-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2648-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2648-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2648-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2648-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2648-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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