agenttesla | 7505bdf96dd102139d059cd1e0ccf938dd4e4ec1626b14d4ccbb6cf0cf09c669

General

Target

Remittance_Advice 26042024.exe
Size

837KB
MD5

f78fac7fbb75ddcc67dd7cb5b6b6ea97
SHA1

a9b9c8f3121cb128882d3e59b7ba2b045ce0792f
SHA256

cd3e530bfaf604d4e59e78d8d8761ab63f0d3d57beff38c1f4802993226af6bb
SHA512

ec39ce438175b8e431f28ec559f707fd631c66f7e9c4160e28639e12930be14163439b2f03b834433cf1cebcad0e87fa93028ce70148103bff09ee664970341c
SSDEEP

12288:9bqnHvjNIrpf9rN/mc/CbTrMSrJjxddkDEb8LjkyUtGWpGwvNqKdzPjzow4bkR:9uPjKr5BNDKvBn0kySRpGwoKFzow7

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.innomedjsc.com
Port:
587
Username:
[email protected]
Password:
s]~5ai)IFpr-
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/2540-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2540-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2540-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2540-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2540-16-0x0000000000400000-0x0000000000442000-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/2540-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2540-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2540-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2540-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2540-16-0x0000000000400000-0x0000000000442000-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/2540-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2540-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2540-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2540-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2540-16-0x0000000000400000-0x0000000000442000-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/2540-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2540-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2540-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2540-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2540-16-0x0000000000400000-0x0000000000442000-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/2540-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2540-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2540-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2540-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2540-16-0x0000000000400000-0x0000000000442000-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/2540-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2540-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2540-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2540-18-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2540-16-0x0000000000400000-0x0000000000442000-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
Suspicious use of SetThreadContext 1 IoCs

Processes:

Remittance_Advice 26042024.exe

description pid process target process

PID 2072 set thread context of 2540 2072 Remittance_Advice 26042024.exe Remittance_Advice 26042024.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Remittance_Advice 26042024.exe

pid process

2540 Remittance_Advice 26042024.exe
2540 Remittance_Advice 26042024.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Remittance_Advice 26042024.exe

description pid process

Token: SeDebugPrivilege 2540 Remittance_Advice 26042024.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Remittance_Advice 26042024.exe

pid process

2540 Remittance_Advice 26042024.exe

description	pid	process	target process
PID 2072 set thread context of 2540	2072	Remittance_Advice 26042024.exe	Remittance_Advice 26042024.exe

pid	process
2540	Remittance_Advice 26042024.exe
2540	Remittance_Advice 26042024.exe

description	pid	process
Token: SeDebugPrivilege	2540	Remittance_Advice 26042024.exe

pid	process
2540	Remittance_Advice 26042024.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Remittance_Advice 26042024.exe

description	pid	process	target process
PID 2072 wrote to memory of 2540	2072	Remittance_Advice 26042024.exe	Remittance_Advice 26042024.exe
PID 2072 wrote to memory of 2540	2072	Remittance_Advice 26042024.exe	Remittance_Advice 26042024.exe
PID 2072 wrote to memory of 2540	2072	Remittance_Advice 26042024.exe	Remittance_Advice 26042024.exe
PID 2072 wrote to memory of 2540	2072	Remittance_Advice 26042024.exe	Remittance_Advice 26042024.exe
PID 2072 wrote to memory of 2540	2072	Remittance_Advice 26042024.exe	Remittance_Advice 26042024.exe
PID 2072 wrote to memory of 2540	2072	Remittance_Advice 26042024.exe	Remittance_Advice 26042024.exe
PID 2072 wrote to memory of 2540	2072	Remittance_Advice 26042024.exe	Remittance_Advice 26042024.exe
PID 2072 wrote to memory of 2540	2072	Remittance_Advice 26042024.exe	Remittance_Advice 26042024.exe
PID 2072 wrote to memory of 2540	2072	Remittance_Advice 26042024.exe	Remittance_Advice 26042024.exe

C:\Users\Admin\AppData\Local\Temp\Remittance_Advice 26042024.exe
"C:\Users\Admin\AppData\Local\Temp\Remittance_Advice 26042024.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2072

C:\Users\Admin\AppData\Local\Temp\Remittance_Advice 26042024.exe
"C:\Users\Admin\AppData\Local\Temp\Remittance_Advice 26042024.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2540

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

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Downloads

memory/2072-0-0x0000000000A70000-0x0000000000B44000-memory.dmp

Filesize
848KB

Download
memory/2072-1-0x0000000074990000-0x000000007507E000-memory.dmp

Filesize
6.9MB

Download
memory/2072-2-0x0000000004D60000-0x0000000004DA0000-memory.dmp

Filesize
256KB

Download
memory/2072-3-0x00000000008C0000-0x00000000008E0000-memory.dmp

Filesize
128KB

Download
memory/2072-4-0x00000000008F0000-0x0000000000904000-memory.dmp

Filesize
80KB

Download
memory/2072-5-0x00000000059C0000-0x0000000005A44000-memory.dmp

Filesize
528KB

Download
memory/2072-23-0x0000000074990000-0x000000007507E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2540-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2540-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2540-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2540-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2540-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2540-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2540-22-0x0000000004CA0000-0x0000000004CE0000-memory.dmp

Filesize
256KB

Download
memory/2540-21-0x0000000074990000-0x000000007507E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2540-24-0x0000000074990000-0x000000007507E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-25-0x0000000004CA0000-0x0000000004CE0000-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