agenttesla | 538d9e95c02b259735337453d5e06269c2247ab65720730ba5c5d41290c2008e

General

Target

Quotation.doc
Size

356KB
MD5

0c191ec4b68efda3d1eab2b406ddf095
SHA1

167db0f69865dd84768c9ecc4ab35a0dfce53a58
SHA256

538d9e95c02b259735337453d5e06269c2247ab65720730ba5c5d41290c2008e
SHA512

e0e087ac43df9cc9fc580f7d34800383f1d8ec3774d879ba3d2e7654cfb7624421ab611c68cd2d77870027b81fea75248fd55a2347386475cc8e4c7c74575dd8

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ariahotel.md
Port:
587
Username:
[email protected]
Password:
ariahotel9997

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

yara_rule
family_agenttesla
\Users\Public\908.exe	family_agenttesla
\Users\Public\908.exe	family_agenttesla
C:\Users\Public\908.exe	family_agenttesla
C:\Users\Public\908.exe	family_agenttesla

Blocklisted process makes network request 5 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 792 EQNEDT32.EXE
6 792 EQNEDT32.EXE
8 792 EQNEDT32.EXE
10 792 EQNEDT32.EXE
12 792 EQNEDT32.EXE
Executes dropped EXE 1 IoCs

Processes:

908.exe

pid process

1844 908.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid process

792 EQNEDT32.EXE
792 EQNEDT32.EXE
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

flow	pid	process
4	792	EQNEDT32.EXE
6	792	EQNEDT32.EXE
8	792	EQNEDT32.EXE
10	792	EQNEDT32.EXE
12	792	EQNEDT32.EXE

pid	process
1844	908.exe

pid	process
792	EQNEDT32.EXE
792	EQNEDT32.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

908.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\DZqzte = "C:\\Users\\Admin\\AppData\\Roaming\\DZqzte\\DZqzte.exe"	908.exe

Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

792 EQNEDT32.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1500 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

908.exe

pid process

1844 908.exe
1844 908.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

908.exe

description pid process

Token: SeDebugPrivilege 1844 908.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

WINWORD.EXE908.exe

pid process

1500 WINWORD.EXE
1500 WINWORD.EXE
1844 908.exe

pid	process
792	EQNEDT32.EXE

pid	process
1500	WINWORD.EXE

pid	process
1844	908.exe
1844	908.exe

description	pid	process
Token: SeDebugPrivilege	1844	908.exe

pid	process
1500	WINWORD.EXE
1500	WINWORD.EXE
1844	908.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EQNEDT32.EXE

description	pid	process	target process
PID 792 wrote to memory of 1844	792	EQNEDT32.EXE	908.exe
PID 792 wrote to memory of 1844	792	EQNEDT32.EXE	908.exe
PID 792 wrote to memory of 1844	792	EQNEDT32.EXE	908.exe
PID 792 wrote to memory of 1844	792	EQNEDT32.EXE	908.exe

C:\Program Files\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Quotation.doc"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1500

C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:792

C:\Users\Public\908.exe
C:\Users\Public\908.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1844

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

1

T1203

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

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Public\908.exe

MD5
272897d36eb416327967b1fa05c718b2

SHA1
1b5a7143464e4ac945f276f24d8cb6693bd19242

SHA256
de2a5ebcd53cdfdff69dfbcefc41bacfd210a286b8b4db221fd1f8b01ecfdca5

SHA512
fd468defd565ee28a6cc7c235cea1b1ad8bad52b116fb3952aeb0813aea37981bcff025904f36f3ffd21e4686effa4b50964a55ccfc00b61841f416d73dec538

Download Submit
C:\Users\Public\908.exe

MD5
272897d36eb416327967b1fa05c718b2

SHA1
1b5a7143464e4ac945f276f24d8cb6693bd19242

SHA256
de2a5ebcd53cdfdff69dfbcefc41bacfd210a286b8b4db221fd1f8b01ecfdca5

SHA512
fd468defd565ee28a6cc7c235cea1b1ad8bad52b116fb3952aeb0813aea37981bcff025904f36f3ffd21e4686effa4b50964a55ccfc00b61841f416d73dec538

Download Submit
\Users\Public\908.exe

MD5
272897d36eb416327967b1fa05c718b2

SHA1
1b5a7143464e4ac945f276f24d8cb6693bd19242

SHA256
de2a5ebcd53cdfdff69dfbcefc41bacfd210a286b8b4db221fd1f8b01ecfdca5

SHA512
fd468defd565ee28a6cc7c235cea1b1ad8bad52b116fb3952aeb0813aea37981bcff025904f36f3ffd21e4686effa4b50964a55ccfc00b61841f416d73dec538

Download Submit
\Users\Public\908.exe

MD5
272897d36eb416327967b1fa05c718b2

SHA1
1b5a7143464e4ac945f276f24d8cb6693bd19242

SHA256
de2a5ebcd53cdfdff69dfbcefc41bacfd210a286b8b4db221fd1f8b01ecfdca5

SHA512
fd468defd565ee28a6cc7c235cea1b1ad8bad52b116fb3952aeb0813aea37981bcff025904f36f3ffd21e4686effa4b50964a55ccfc00b61841f416d73dec538

Download Submit
memory/1844-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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