agenttesla | 43b957e57a959571b4ee4dedf823b4122dd2774b1290daa5848a4ea830673124

General

Target

DHL_AWB_NO_#907853880911_pdf .exe
Size

18KB
MD5

16b03e4e5bc0ff1dbef3918cfad2b735
SHA1

fcba7690aa8b5fd59530018117c9a23d1d9479d8
SHA256

43b957e57a959571b4ee4dedf823b4122dd2774b1290daa5848a4ea830673124
SHA512

99e5980733a2c1416e0cd5d498549ef6dbc1b52ecbb7c9fdcd828dc1f3c14e3f9fd80bece1e393ae1b87a8084936c2356e213cb0771d25fd3c68eabf13de0c79
SSDEEP

192:HaTdQS53M58auD28GSALhtGfygJrBhIf3jdZ:6TuS53uuDV2LhtGfygJ8fTd

Score

10^/10

agenttesla purecrypter collection downloader keylogger loader spyware stealer trojan

Malware Config

Extracted

Family

purecrypter

C2

http://45.84.1.117/3478/Uwdznaoe.png

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5846767138:AAHbrIUF1epdWlFQ2_64LCd8vdF121y1XGE/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter
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
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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_AWB_NO_#907853880911_pdf .exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_AWB_NO_#907853880911_pdf .exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_AWB_NO_#907853880911_pdf .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.

flow	ioc
5	api.ipify.org
6	api.ipify.org

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
320	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2000	DHL_AWB_NO_#907853880911_pdf .exe
Token: SeDebugPrivilege	320	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 320	2000	DHL_AWB_NO_#907853880911_pdf .exe	28
PID 2000 wrote to memory of 320	2000	DHL_AWB_NO_#907853880911_pdf .exe	28
PID 2000 wrote to memory of 320	2000	DHL_AWB_NO_#907853880911_pdf .exe	28
PID 2000 wrote to memory of 320	2000	DHL_AWB_NO_#907853880911_pdf .exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_AWB_NO_#907853880911_pdf .exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_AWB_NO_#907853880911_pdf .exe

C:\Users\Admin\AppData\Local\Temp\DHL_AWB_NO_#907853880911_pdf .exe
"C:\Users\Admin\AppData\Local\Temp\DHL_AWB_NO_#907853880911_pdf .exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2000
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:320

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/320-61-0x0000000000250000-0x0000000000290000-memory.dmp

Filesize
256KB

Download
memory/320-60-0x0000000000250000-0x0000000000290000-memory.dmp

Filesize
256KB

Download
memory/320-64-0x0000000000250000-0x0000000000290000-memory.dmp

Filesize
256KB

Download
memory/320-63-0x0000000000250000-0x0000000000290000-memory.dmp

Filesize
256KB

Download
memory/320-65-0x0000000000250000-0x0000000000290000-memory.dmp

Filesize
256KB

Download
memory/2000-54-0x0000000000EA0000-0x0000000000EAA000-memory.dmp

Filesize
40KB

Download
memory/2000-55-0x00000000045E0000-0x0000000004620000-memory.dmp

Filesize
256KB

Download
memory/2000-56-0x00000000056C0000-0x0000000005774000-memory.dmp

Filesize
720KB

Download
memory/2000-57-0x00000000004A0000-0x00000000004BA000-memory.dmp

Filesize
104KB

Download
memory/2000-62-0x00000000045E0000-0x0000000004620000-memory.dmp

Filesize
256KB

Download
memory/2000-66-0x00000000048F0000-0x0000000004920000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads