agenttesla | feb7300da45537d68546b3e17b29a589450fc8422cd386dafd5410365fb5128b

General

Target

DHLDOCUMENTS27011222.exe
Size

838KB
MD5

58077ced076708815fa29dd0868d99e2
SHA1

f8d7f9c739c8c30efea7ee7e8a05a33319b0dd79
SHA256

e7b95197fb910258fc23e03856af901ad54e0e824a707b5605a275296c85dc40
SHA512

1e99132d9b2ecbadd21d9c81e993ad4741f4fb1f95c62a38b0848b449fec88d147ee0455e23495c4e4f4741f12c08bf14767280b7815e2f768e0ff3ff6c4d6ef
SSDEEP

24576:VC1Gudz+ZoRu+VI1SBllryZcZhaUIgvpjRpY:VTudquRuz1SBbyWaZgxjb

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5702698141:AAH3zArxBJTzE6y3KAwr-22tBuWNisJ3iEg/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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:

DHLDOCUMENTS27011222.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHLDOCUMENTS27011222.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHLDOCUMENTS27011222.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHLDOCUMENTS27011222.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

DHLDOCUMENTS27011222.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\Skype\\Skype.exe"	DHLDOCUMENTS27011222.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

36 api.ipify.org
37 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

DHLDOCUMENTS27011222.exe

description pid process target process

PID 4788 set thread context of 5092 4788 DHLDOCUMENTS27011222.exe DHLDOCUMENTS27011222.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

DHLDOCUMENTS27011222.exe

pid process

5092 DHLDOCUMENTS27011222.exe
5092 DHLDOCUMENTS27011222.exe
5092 DHLDOCUMENTS27011222.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

DHLDOCUMENTS27011222.exe

description pid process

Token: SeDebugPrivilege 5092 DHLDOCUMENTS27011222.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

DHLDOCUMENTS27011222.exe

pid process

5092 DHLDOCUMENTS27011222.exe

flow	ioc
36	api.ipify.org
37	api.ipify.org

description	pid	process	target process
PID 4788 set thread context of 5092	4788	DHLDOCUMENTS27011222.exe	DHLDOCUMENTS27011222.exe

pid	process
5092	DHLDOCUMENTS27011222.exe
5092	DHLDOCUMENTS27011222.exe
5092	DHLDOCUMENTS27011222.exe

description	pid	process
Token: SeDebugPrivilege	5092	DHLDOCUMENTS27011222.exe

pid	process
5092	DHLDOCUMENTS27011222.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

DHLDOCUMENTS27011222.exe

description	pid	process	target process
PID 4788 wrote to memory of 5092	4788	DHLDOCUMENTS27011222.exe	DHLDOCUMENTS27011222.exe
PID 4788 wrote to memory of 5092	4788	DHLDOCUMENTS27011222.exe	DHLDOCUMENTS27011222.exe
PID 4788 wrote to memory of 5092	4788	DHLDOCUMENTS27011222.exe	DHLDOCUMENTS27011222.exe
PID 4788 wrote to memory of 5092	4788	DHLDOCUMENTS27011222.exe	DHLDOCUMENTS27011222.exe
PID 4788 wrote to memory of 5092	4788	DHLDOCUMENTS27011222.exe	DHLDOCUMENTS27011222.exe
PID 4788 wrote to memory of 5092	4788	DHLDOCUMENTS27011222.exe	DHLDOCUMENTS27011222.exe
PID 4788 wrote to memory of 5092	4788	DHLDOCUMENTS27011222.exe	DHLDOCUMENTS27011222.exe
PID 4788 wrote to memory of 5092	4788	DHLDOCUMENTS27011222.exe	DHLDOCUMENTS27011222.exe

outlook_office_path 1 IoCs

Processes:

DHLDOCUMENTS27011222.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHLDOCUMENTS27011222.exe

outlook_win_path 1 IoCs

Processes:

DHLDOCUMENTS27011222.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHLDOCUMENTS27011222.exe

C:\Users\Admin\AppData\Local\Temp\DHLDOCUMENTS27011222.exe
"C:\Users\Admin\AppData\Local\Temp\DHLDOCUMENTS27011222.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4788

C:\Users\Admin\AppData\Local\Temp\DHLDOCUMENTS27011222.exe
"C:\Users\Admin\AppData\Local\Temp\DHLDOCUMENTS27011222.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:5092

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DHLDOCUMENTS27011222.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4788-132-0x0000000000AE0000-0x0000000000BB8000-memory.dmp

Filesize
864KB

Download
memory/4788-133-0x0000000005B00000-0x00000000060A4000-memory.dmp

Filesize
5.6MB

Download
memory/4788-134-0x00000000055F0000-0x0000000005682000-memory.dmp

Filesize
584KB

Download
memory/4788-135-0x0000000005550000-0x000000000555A000-memory.dmp

Filesize
40KB

Download
memory/4788-136-0x0000000009170000-0x000000000920C000-memory.dmp

Filesize
624KB

Download
memory/5092-137-0x0000000000000000-mapping.dmp

Download
memory/5092-138-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5092-140-0x00000000060A0000-0x0000000006106000-memory.dmp

Filesize
408KB

Download
memory/5092-141-0x0000000006EE0000-0x0000000006F30000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads