agenttesla | ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a

General

Target

ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
Size

831KB
MD5

18ab2aad8e5efd35242fbd95df4e7dd8
SHA1

72f5eb04ed362a77235283d634d499edda685bf7
SHA256

ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a
SHA512

34701b20f0afc8694c5bb42a5ecea9daa86b7c59e9b8cf6ce2aaf9598dc39215382c36efa2c8d216e84e3a978a2bd8d6215a937952c69889b698d077f02cfdd9
SSDEEP

12288:UFLUZoWBwIyww0vWfueEQEarTXNmuKXevwN0GQ+l3y34SI1Vt/L5r3BD1Ry09yz:UaomwIjGGUfHwuuNvSIb1LN

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sintecno.gr
Port:
587
Username:
info@sintecno.gr
Password:
k$&v8@,q0Pf#
Email To:
donj5425@gmail.com

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. 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2612-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2612-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2612-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2612-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2612-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2612-20-0x0000000004B80000-0x0000000004BC0000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2612-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2612-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2612-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2612-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2612-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2612-20-0x0000000004B80000-0x0000000004BC0000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1540-4-0x00000000004F0000-0x00000000004FC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2612-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2612-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2612-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2612-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2612-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2612-20-0x0000000004B80000-0x0000000004BC0000-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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2612-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2612-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2612-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2612-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2612-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2612-20-0x0000000004B80000-0x0000000004BC0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2612-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2612-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2612-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2612-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2612-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2612-20-0x0000000004B80000-0x0000000004BC0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2612-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2612-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2612-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2612-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2612-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2612-20-0x0000000004B80000-0x0000000004BC0000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\cUsRDu = "C:\\Users\\Admin\\AppData\\Roaming\\cUsRDu\\cUsRDu.exe"	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.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

Suspicious use of SetThreadContext 1 IoCs

Processes:

ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe

description	pid	process	target process
PID 1540 set thread context of 2612	1540	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exead5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe

pid	process
1540	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
1540	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
1540	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
2612	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
2612	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exead5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe

description	pid	process
Token: SeDebugPrivilege	1540	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
Token: SeDebugPrivilege	2612	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe

pid process

2612 ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe

pid	process
2612	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe

description	pid	process	target process
PID 1540 wrote to memory of 2612	1540	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
PID 1540 wrote to memory of 2612	1540	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
PID 1540 wrote to memory of 2612	1540	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
PID 1540 wrote to memory of 2612	1540	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
PID 1540 wrote to memory of 2612	1540	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
PID 1540 wrote to memory of 2612	1540	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
PID 1540 wrote to memory of 2612	1540	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
PID 1540 wrote to memory of 2612	1540	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
PID 1540 wrote to memory of 2612	1540	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe	ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe

C:\Users\Admin\AppData\Local\Temp\ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
"C:\Users\Admin\AppData\Local\Temp\ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540

C:\Users\Admin\AppData\Local\Temp\ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe
"C:\Users\Admin\AppData\Local\Temp\ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2612

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/1540-0-0x0000000001180000-0x0000000001256000-memory.dmp

Filesize
856KB

Download
memory/1540-1-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/1540-2-0x0000000007370000-0x00000000073B0000-memory.dmp

Filesize
256KB

Download
memory/1540-3-0x00000000004D0000-0x00000000004E2000-memory.dmp

Filesize
72KB

Download
memory/1540-4-0x00000000004F0000-0x00000000004FC000-memory.dmp

Filesize
48KB

Download
memory/1540-5-0x0000000007490000-0x0000000007512000-memory.dmp

Filesize
520KB

Download
memory/1540-21-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2612-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2612-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2612-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2612-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2612-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2612-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2612-19-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2612-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2612-20-0x0000000004B80000-0x0000000004BC0000-memory.dmp

Filesize
256KB

Download
memory/2612-23-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2612-24-0x0000000004B80000-0x0000000004BC0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads