agenttesla | 0f69e45987ceaa32367537a7d745cde7cacdee5385e157d19a4799dde8dbf5ac

General

Target

davincii.exe
Size

109KB
MD5

8806d043a732233b3f67303b04a9d6ae
SHA1

cf20cbe1b3faf096b37803b6cfd7879804a4223c
SHA256

0f69e45987ceaa32367537a7d745cde7cacdee5385e157d19a4799dde8dbf5ac
SHA512

fce92071fe63c7499e7bb37fd97bff491ff51140e89ea4da6541afc372359947ab2568c868f06f9cb3138c120d123b71d0811da3c8f074b301f3851d7462051d

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.atulvideo.com
Port:
587
Username:
davincii@atulvideo.com
Password:
WR@Q]rUZ-eQ#

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1400-10-0x00000000063A0000-0x00000000063FE000-memory.dmp	family_agenttesla
behavioral2/memory/3016-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3016-14-0x000000000043770E-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

davincii.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts davincii.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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	davincii.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

davincii.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\LFSRb = "C:\\Users\\Admin\\AppData\\Roaming\\LFSRb\\LFSRb.exe"	davincii.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs

Processes:

davincii.exe

pid	process
1400	davincii.exe
1400	davincii.exe
1400	davincii.exe
1400	davincii.exe
1400	davincii.exe
1400	davincii.exe
1400	davincii.exe
1400	davincii.exe
1400	davincii.exe
1400	davincii.exe
1400	davincii.exe
1400	davincii.exe
1400	davincii.exe

Suspicious use of SetThreadContext 5 IoCs

Processes:

davincii.exe

description	pid	process	target process
PID 1400 set thread context of 3436	1400	davincii.exe	davincii.exe
PID 1400 set thread context of 3016	1400	davincii.exe	davincii.exe
PID 1400 set thread context of 3992	1400	davincii.exe	davincii.exe
PID 1400 set thread context of 2904	1400	davincii.exe	davincii.exe
PID 1400 set thread context of 2180	1400	davincii.exe	davincii.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3168 3436 WerFault.exe davincii.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

davincii.exedavincii.exe

pid process

1400 davincii.exe
3016 davincii.exe
3016 davincii.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

davincii.exedavincii.exe

description pid process

Token: SeDebugPrivilege 1400 davincii.exe
Token: SeDebugPrivilege 3016 davincii.exe

pid	pid_target	process	target process
3168	3436	WerFault.exe	davincii.exe

description	pid	process
Token: SeDebugPrivilege	1400	davincii.exe
Token: SeDebugPrivilege	3016	davincii.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

davincii.exe

description	pid	process	target process
PID 1400 wrote to memory of 3436	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3436	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3436	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3436	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3436	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3436	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3016	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3016	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3016	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3016	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3016	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3016	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3016	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3016	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3992	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3992	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3992	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3992	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3992	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3992	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3992	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 3992	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 2904	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 2904	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 2904	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 2904	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 2904	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 2904	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 2904	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 2904	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 2180	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 2180	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 2180	1400	davincii.exe	davincii.exe
PID 1400 wrote to memory of 2180	1400	davincii.exe	davincii.exe

C:\Users\Admin\AppData\Local\Temp\davincii.exe
"C:\Users\Admin\AppData\Local\Temp\davincii.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1400

C:\Users\Admin\AppData\Local\Temp\davincii.exe
"C:\Users\Admin\AppData\Local\Temp\davincii.exe"
2⤵
PID:3436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3436 -s 88
3⤵
- Program crash
PID:3168

C:\Users\Admin\AppData\Local\Temp\davincii.exe
"C:\Users\Admin\AppData\Local\Temp\davincii.exe"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3016

C:\Users\Admin\AppData\Local\Temp\davincii.exe
"C:\Users\Admin\AppData\Local\Temp\davincii.exe"
2⤵
PID:3992

C:\Users\Admin\AppData\Local\Temp\davincii.exe
"C:\Users\Admin\AppData\Local\Temp\davincii.exe"
2⤵
PID:2904

C:\Users\Admin\AppData\Local\Temp\davincii.exe
"C:\Users\Admin\AppData\Local\Temp\davincii.exe"
2⤵
PID:2180

Network

MITRE ATT&CK Matrix ATT&CK 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

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/1400-2-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/1400-3-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/1400-5-0x00000000057A0000-0x00000000057A1000-memory.dmp

Filesize
4KB

Download
memory/1400-6-0x0000000005340000-0x0000000005341000-memory.dmp

Filesize
4KB

Download
memory/1400-7-0x00000000052E0000-0x00000000052E1000-memory.dmp

Filesize
4KB

Download
memory/1400-8-0x0000000002D80000-0x0000000002D81000-memory.dmp

Filesize
4KB

Download
memory/1400-9-0x00000000055C0000-0x00000000055C1000-memory.dmp

Filesize
4KB

Download
memory/1400-10-0x00000000063A0000-0x00000000063FE000-memory.dmp

Filesize
376KB

Download
memory/1400-26-0x00000000055A0000-0x00000000055A1000-memory.dmp

Filesize
4KB

Download
memory/2180-27-0x000000000043770E-mapping.dmp

Download
memory/2904-23-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-21-0x000000000043770E-mapping.dmp

Download
memory/3016-16-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/3016-14-0x000000000043770E-mapping.dmp

Download
memory/3016-28-0x00000000054D0000-0x00000000054D1000-memory.dmp

Filesize
4KB

Download
memory/3016-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3016-33-0x00000000057D0000-0x00000000057D1000-memory.dmp

Filesize
4KB

Download
memory/3016-34-0x0000000006060000-0x0000000006061000-memory.dmp

Filesize
4KB

Download
memory/3016-37-0x00000000054D1000-0x00000000054D2000-memory.dmp

Filesize
4KB

Download
memory/3168-32-0x00000000048E0000-0x00000000048E1000-memory.dmp

Filesize
4KB

Download
memory/3436-12-0x000000000043770E-mapping.dmp

Download
memory/3992-17-0x000000000043770E-mapping.dmp

Download
memory/3992-19-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads