agenttesla | 5fe027cf78cba3c3e99db784eff2511d0d98b0f651fb840098f4a2a3f6c7ad60

General

Target

PO 0017709220.pdf (68KB).exe
Size

871KB
MD5

94370cac5c6a71ef3b1ac252d8c2d1f0
SHA1

99e3a287c919446a51a29bb41b15e392381eb4d7
SHA256

5fe027cf78cba3c3e99db784eff2511d0d98b0f651fb840098f4a2a3f6c7ad60
SHA512

1a5a4123aae1036a29b20f559f1d0b78ff88fdceeb842106fdb27e34ff7e0a150f1e200ebd07bef56ba2b580b34eac4513e07719ab6ebc1482f9c7364ae3e431
SSDEEP

24576:X8DsTl9mUzgCzfsWfJHDxtMcKQ1Qj2SoYQi3:XAsT3dJltb1Qj6Yf

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5988122207:AAF1_KgDENpI5X2i7Phd669ok2u6BhL3kK0/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

PO 0017709220.pdf (68KB).exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions PO 0017709220.pdf (68KB).exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

PO 0017709220.pdf (68KB).exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools PO 0017709220.pdf (68KB).exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	PO 0017709220.pdf (68KB).exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	PO 0017709220.pdf (68KB).exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

PO 0017709220.pdf (68KB).exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	PO 0017709220.pdf (68KB).exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	PO 0017709220.pdf (68KB).exe

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

Processes:

PO 0017709220.pdf (68KB).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 0017709220.pdf (68KB).exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 0017709220.pdf (68KB).exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 0017709220.pdf (68KB).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

4 api.ipify.org
5 api.ipify.org

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

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

PO 0017709220.pdf (68KB).exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	PO 0017709220.pdf (68KB).exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	PO 0017709220.pdf (68KB).exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO 0017709220.pdf (68KB).exe

description pid process target process

PID 1348 set thread context of 1676 1348 PO 0017709220.pdf (68KB).exe PO 0017709220.pdf (68KB).exe
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

Processes:

schtasks.exe

pid process

1992 schtasks.exe

description	pid	process	target process
PID 1348 set thread context of 1676	1348	PO 0017709220.pdf (68KB).exe	PO 0017709220.pdf (68KB).exe

pid	process
1992	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

PO 0017709220.pdf (68KB).exePO 0017709220.pdf (68KB).exepowershell.exe

pid	process
1348	PO 0017709220.pdf (68KB).exe
1348	PO 0017709220.pdf (68KB).exe
1676	PO 0017709220.pdf (68KB).exe
1676	PO 0017709220.pdf (68KB).exe
1264	powershell.exe
1676	PO 0017709220.pdf (68KB).exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO 0017709220.pdf (68KB).exePO 0017709220.pdf (68KB).exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1348	PO 0017709220.pdf (68KB).exe
Token: SeDebugPrivilege	1676	PO 0017709220.pdf (68KB).exe
Token: SeDebugPrivilege	1264	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

PO 0017709220.pdf (68KB).exe

description	pid	process	target process
PID 1348 wrote to memory of 1264	1348	PO 0017709220.pdf (68KB).exe	powershell.exe
PID 1348 wrote to memory of 1264	1348	PO 0017709220.pdf (68KB).exe	powershell.exe
PID 1348 wrote to memory of 1264	1348	PO 0017709220.pdf (68KB).exe	powershell.exe
PID 1348 wrote to memory of 1264	1348	PO 0017709220.pdf (68KB).exe	powershell.exe
PID 1348 wrote to memory of 1992	1348	PO 0017709220.pdf (68KB).exe	schtasks.exe
PID 1348 wrote to memory of 1992	1348	PO 0017709220.pdf (68KB).exe	schtasks.exe
PID 1348 wrote to memory of 1992	1348	PO 0017709220.pdf (68KB).exe	schtasks.exe
PID 1348 wrote to memory of 1992	1348	PO 0017709220.pdf (68KB).exe	schtasks.exe
PID 1348 wrote to memory of 1724	1348	PO 0017709220.pdf (68KB).exe	PO 0017709220.pdf (68KB).exe
PID 1348 wrote to memory of 1724	1348	PO 0017709220.pdf (68KB).exe	PO 0017709220.pdf (68KB).exe
PID 1348 wrote to memory of 1724	1348	PO 0017709220.pdf (68KB).exe	PO 0017709220.pdf (68KB).exe
PID 1348 wrote to memory of 1724	1348	PO 0017709220.pdf (68KB).exe	PO 0017709220.pdf (68KB).exe
PID 1348 wrote to memory of 1676	1348	PO 0017709220.pdf (68KB).exe	PO 0017709220.pdf (68KB).exe
PID 1348 wrote to memory of 1676	1348	PO 0017709220.pdf (68KB).exe	PO 0017709220.pdf (68KB).exe
PID 1348 wrote to memory of 1676	1348	PO 0017709220.pdf (68KB).exe	PO 0017709220.pdf (68KB).exe
PID 1348 wrote to memory of 1676	1348	PO 0017709220.pdf (68KB).exe	PO 0017709220.pdf (68KB).exe
PID 1348 wrote to memory of 1676	1348	PO 0017709220.pdf (68KB).exe	PO 0017709220.pdf (68KB).exe
PID 1348 wrote to memory of 1676	1348	PO 0017709220.pdf (68KB).exe	PO 0017709220.pdf (68KB).exe
PID 1348 wrote to memory of 1676	1348	PO 0017709220.pdf (68KB).exe	PO 0017709220.pdf (68KB).exe
PID 1348 wrote to memory of 1676	1348	PO 0017709220.pdf (68KB).exe	PO 0017709220.pdf (68KB).exe
PID 1348 wrote to memory of 1676	1348	PO 0017709220.pdf (68KB).exe	PO 0017709220.pdf (68KB).exe

outlook_office_path 1 IoCs

Processes:

PO 0017709220.pdf (68KB).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 0017709220.pdf (68KB).exe

outlook_win_path 1 IoCs

Processes:

PO 0017709220.pdf (68KB).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO 0017709220.pdf (68KB).exe

C:\Users\Admin\AppData\Local\Temp\PO 0017709220.pdf (68KB).exe
"C:\Users\Admin\AppData\Local\Temp\PO 0017709220.pdf (68KB).exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1348
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BATNhTK.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1264
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BATNhTK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC3DC.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1992
- C:\Users\Admin\AppData\Local\Temp\PO 0017709220.pdf (68KB).exe
  "C:\Users\Admin\AppData\Local\Temp\PO 0017709220.pdf (68KB).exe"
  2⤵
  PID:1724
- C:\Users\Admin\AppData\Local\Temp\PO 0017709220.pdf (68KB).exe
  "C:\Users\Admin\AppData\Local\Temp\PO 0017709220.pdf (68KB).exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

3

T1081

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC3DC.tmp

Filesize
1KB

MD5
82f0104172338e9159b11c17e6c54508

SHA1
017628ea99f292d6ff177fb25cf6130c5a40e129

SHA256
98edb88998ea88799b2d11765af5d823de466937da89c710221e4fab2b5c0a93

SHA512
9236e113a387675feaa88fe275c4001c758c5df6b9d946ef69535ade2900579147b1e1b1f970a98c544587b748a24ba4bc51af4a1208a60973ea89c1978ef482

Download Submit
memory/1264-59-0x0000000000000000-mapping.dmp

Download
memory/1264-77-0x000000006C7E0000-0x000000006CD8B000-memory.dmp

Filesize
5.7MB

Download
memory/1264-76-0x000000006C7E0000-0x000000006CD8B000-memory.dmp

Filesize
5.7MB

Download
memory/1348-63-0x0000000005460000-0x0000000005498000-memory.dmp

Filesize
224KB

Download
memory/1348-58-0x0000000005550000-0x00000000055C0000-memory.dmp

Filesize
448KB

Download
memory/1348-55-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1348-57-0x0000000000BB0000-0x0000000000BBE000-memory.dmp

Filesize
56KB

Download
memory/1348-54-0x0000000000D40000-0x0000000000E20000-memory.dmp

Filesize
896KB

Download
memory/1348-56-0x0000000000A40000-0x0000000000A62000-memory.dmp

Filesize
136KB

Download
memory/1676-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1676-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1676-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1676-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1676-70-0x00000000004324AE-mapping.dmp

Download
memory/1676-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1676-74-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1676-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1992-60-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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