agenttesla | 3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6

General

Target

3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
Size

684KB
MD5

9a6474186b145552217cf4d421309733
SHA1

b21733889432abe65233736ce0e0289f8f3bddc4
SHA256

3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6
SHA512

33f247c4ef21221d983927b7f2f54a63d51d23840bfb4edfb9aac32f8a2b6856566c78c00e3ce147e574b1b61526f16c2c7f818f4a291d006183be6e73b7b416
SSDEEP

12288:urfrr2rrDirIlL3zxlDB3gHSmlNyqrCysnM8f/zR0NIV8ngQItKxKQCHrdWnuS:5lL3zxlD5aTl0VpM4/F0NA8ngQPird8X

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.italiacanda-it.com
Port:
587
Username:
[email protected]
Password:
dsrociz1
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs

resource	yara_rule
behavioral1/memory/2668-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2668-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2668-22-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2668-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2668-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

resource	yara_rule
behavioral1/memory/2668-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2668-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2668-22-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2668-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2668-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
behavioral1/memory/780-6-0x00000000006D0000-0x00000000006DC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

resource	yara_rule
behavioral1/memory/2668-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2668-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2668-22-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2668-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2668-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs

resource	yara_rule
behavioral1/memory/2668-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2668-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2668-22-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2668-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2668-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

resource	yara_rule
behavioral1/memory/2668-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2668-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2668-22-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2668-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2668-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

resource	yara_rule
behavioral1/memory/2668-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2668-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2668-22-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2668-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2668-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001

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
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 780 set thread context of 2668	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe	29

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
2668	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
2668	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
Token: SeDebugPrivilege	2668	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 2664	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe	28
PID 780 wrote to memory of 2664	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe	28
PID 780 wrote to memory of 2664	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe	28
PID 780 wrote to memory of 2664	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe	28
PID 780 wrote to memory of 2668	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe	29
PID 780 wrote to memory of 2668	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe	29
PID 780 wrote to memory of 2668	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe	29
PID 780 wrote to memory of 2668	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe	29
PID 780 wrote to memory of 2668	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe	29
PID 780 wrote to memory of 2668	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe	29
PID 780 wrote to memory of 2668	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe	29
PID 780 wrote to memory of 2668	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe	29
PID 780 wrote to memory of 2668	780	3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe	29

C:\Users\Admin\AppData\Local\Temp\3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
"C:\Users\Admin\AppData\Local\Temp\3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:780
- C:\Users\Admin\AppData\Local\Temp\3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
  "C:\Users\Admin\AppData\Local\Temp\3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe"
  2⤵
  PID:2664
- C:\Users\Admin\AppData\Local\Temp\3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe
  "C:\Users\Admin\AppData\Local\Temp\3815bc3a78dc96a0af4aca4446b3afa741d3910530ae69b06895b0e499d49aa6.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/780-23-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/780-1-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/780-2-0x0000000004A10000-0x0000000004A50000-memory.dmp

Filesize
256KB

Download
memory/780-3-0x00000000048B0000-0x000000000494C000-memory.dmp

Filesize
624KB

Download
memory/780-4-0x00000000002F0000-0x0000000000304000-memory.dmp

Filesize
80KB

Download
memory/780-5-0x0000000000550000-0x0000000000558000-memory.dmp

Filesize
32KB

Download
memory/780-6-0x00000000006D0000-0x00000000006DC000-memory.dmp

Filesize
48KB

Download
memory/780-7-0x0000000004CD0000-0x0000000004D52000-memory.dmp

Filesize
520KB

Download
memory/780-8-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/780-9-0x0000000004A10000-0x0000000004A50000-memory.dmp

Filesize
256KB

Download
memory/780-0-0x0000000000300000-0x00000000003B0000-memory.dmp

Filesize
704KB

Download
memory/2668-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2668-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2668-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2668-22-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2668-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2668-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2668-24-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2668-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2668-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2668-39-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing