agenttesla | 5fb81184151a7a59ce4f0a626aead2fbfd75ec8d0de69341c7e57d4c98e07507

General

Target

Docs.exe
Size

748KB
MD5

28da32c1cf8ead709f4888f84a697c28
SHA1

45122f3c46fb3400cc6710a830a259da54b07298
SHA256

c10f8bc18521b4c90063ae5fc1e0e95e40ed35be3758d90f597d7cc1e3853ade
SHA512

6d67f361a2f126e35f31e0ff5298bed2ee36e0262a8d71ec5254277c2ed122d9769bb7cc168d00b47616fd381f625a1a6542854c84d9c7cc184c607312fdef13
SSDEEP

12288:90K/pbM4nsSz3ITyeYmaNKiz4xrreLpSYHK6rPILRwwAF9:90iM4nuTyVXNDz4xIYGK2Wg9

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.alkuwaiti.com
Port:
587
Username:
[email protected]
Password:
Ele@1804
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

Processes:

resource	yara_rule
behavioral1/memory/2460-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2460-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2460-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2460-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2460-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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

Processes:

resource	yara_rule
behavioral1/memory/2460-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2460-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2460-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2460-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2460-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

Processes:

resource	yara_rule
behavioral1/memory/2460-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2460-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2460-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2460-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2460-9-0x0000000000400000-0x0000000000440000-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

Processes:

resource	yara_rule
behavioral1/memory/2460-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2460-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2460-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2460-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2460-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

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

Processes:

resource	yara_rule
behavioral1/memory/2460-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2460-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2460-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2460-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2460-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

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

Processes:

resource	yara_rule
behavioral1/memory/2460-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2460-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2460-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2460-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2460-9-0x0000000000400000-0x0000000000440000-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.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Docs.exe

description pid process target process

PID 2908 set thread context of 2460 2908 Docs.exe Docs.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Docs.exeDocs.exe

pid process

2908 Docs.exe
2908 Docs.exe
2908 Docs.exe
2460 Docs.exe
2460 Docs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Docs.exeDocs.exe

description pid process

Token: SeDebugPrivilege 2908 Docs.exe
Token: SeDebugPrivilege 2460 Docs.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 2908 set thread context of 2460	2908	Docs.exe	Docs.exe

pid	process
2908	Docs.exe
2908	Docs.exe
2908	Docs.exe
2460	Docs.exe
2460	Docs.exe

description	pid	process
Token: SeDebugPrivilege	2908	Docs.exe
Token: SeDebugPrivilege	2460	Docs.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Docs.exe

description	pid	process	target process
PID 2908 wrote to memory of 2460	2908	Docs.exe	Docs.exe
PID 2908 wrote to memory of 2460	2908	Docs.exe	Docs.exe
PID 2908 wrote to memory of 2460	2908	Docs.exe	Docs.exe
PID 2908 wrote to memory of 2460	2908	Docs.exe	Docs.exe
PID 2908 wrote to memory of 2460	2908	Docs.exe	Docs.exe
PID 2908 wrote to memory of 2460	2908	Docs.exe	Docs.exe
PID 2908 wrote to memory of 2460	2908	Docs.exe	Docs.exe
PID 2908 wrote to memory of 2460	2908	Docs.exe	Docs.exe
PID 2908 wrote to memory of 2460	2908	Docs.exe	Docs.exe

C:\Users\Admin\AppData\Local\Temp\Docs.exe
"C:\Users\Admin\AppData\Local\Temp\Docs.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2908

C:\Users\Admin\AppData\Local\Temp\Docs.exe
"C:\Users\Admin\AppData\Local\Temp\Docs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2460

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2460-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2460-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2460-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2460-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2460-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2460-18-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2460-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2460-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2460-20-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2460-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2908-4-0x0000000000720000-0x000000000072E000-memory.dmp

Filesize
56KB

Download
memory/2908-3-0x0000000000700000-0x0000000000718000-memory.dmp

Filesize
96KB

Download
memory/2908-0-0x00000000008B0000-0x000000000096E000-memory.dmp

Filesize
760KB

Download
memory/2908-2-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

Filesize
256KB

Download
memory/2908-6-0x0000000000760000-0x00000000007E2000-memory.dmp

Filesize
520KB

Download
memory/2908-1-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2908-19-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2908-5-0x00000000007E0000-0x00000000007F4000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads