agenttesla | e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7

Analysis

max time kernel
120s
max time network
135s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-03-2024 02:56

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General

Target

e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
Size

705KB
MD5

1c2e10456d4941fc03b4505745df986d
SHA1

8e4a49017e5906846ed12440dae27f7c702bc64d
SHA256

e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7
SHA512

33480167a4cb3f0703e4f053b8ad83f9b2291a804e1cf6d14c27ac9272fce414a7a5793ff6ecd36c808a085fdb6e9b41b630322fa61de4fd2baff06847c7143b
SSDEEP

12288:a/US0YOwqOp67LHOv8AzfetftWQkPV48wjNk+KmTGvUbIu0xCBUK4kogNCGSkR:qO7HLMzWf+CEmTGvK8CqK4kbNCGh

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
nl9.nlkoddos.com
Port:
587
Username:
[email protected]
Password:
Myname321@
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. 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2652-8-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2652-9-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2652-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2652-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2652-19-0x0000000004A00000-0x0000000004A40000-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/2652-8-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2652-9-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2652-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2652-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2652-19-0x0000000004A00000-0x0000000004A40000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2652-8-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2652-9-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2652-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2652-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2652-19-0x0000000004A00000-0x0000000004A40000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2180-4-0x00000000004B0000-0x00000000004BC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

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

Processes:

resource	yara_rule
behavioral1/memory/2652-8-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2652-9-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2652-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2652-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2652-19-0x0000000004A00000-0x0000000004A40000-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/2652-8-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2652-9-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2652-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2652-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2652-19-0x0000000004A00000-0x0000000004A40000-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/2652-8-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2652-9-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2652-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2652-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2652-19-0x0000000004A00000-0x0000000004A40000-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/2652-8-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2652-9-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2652-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2652-16-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2652-19-0x0000000004A00000-0x0000000004A40000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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 3 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
6 ip-api.com

flow	ioc
4	api.ipify.org
5	api.ipify.org
6	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe

description	pid	process	target process
PID 2180 set thread context of 2652	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exee9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe

pid	process
2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
2652	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
2652	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exee9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe

description	pid	process
Token: SeDebugPrivilege	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
Token: SeDebugPrivilege	2652	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe

pid process

2652 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe

pid	process
2652	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe

description	pid	process	target process
PID 2180 wrote to memory of 2648	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
PID 2180 wrote to memory of 2648	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
PID 2180 wrote to memory of 2648	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
PID 2180 wrote to memory of 2648	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
PID 2180 wrote to memory of 2652	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
PID 2180 wrote to memory of 2652	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
PID 2180 wrote to memory of 2652	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
PID 2180 wrote to memory of 2652	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
PID 2180 wrote to memory of 2652	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
PID 2180 wrote to memory of 2652	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
PID 2180 wrote to memory of 2652	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
PID 2180 wrote to memory of 2652	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
PID 2180 wrote to memory of 2652	2180	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe	e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe

C:\Users\Admin\AppData\Local\Temp\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
"C:\Users\Admin\AppData\Local\Temp\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2180

C:\Users\Admin\AppData\Local\Temp\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
"C:\Users\Admin\AppData\Local\Temp\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe"
2⤵
PID:2648

C:\Users\Admin\AppData\Local\Temp\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
"C:\Users\Admin\AppData\Local\Temp\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2652

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2180-0-0x0000000000D90000-0x0000000000E44000-memory.dmp

Filesize
720KB

Download
memory/2180-1-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2180-2-0x0000000004C80000-0x0000000004CC0000-memory.dmp

Filesize
256KB

Download
memory/2180-3-0x0000000000610000-0x000000000062A000-memory.dmp

Filesize
104KB

Download
memory/2180-4-0x00000000004B0000-0x00000000004BC000-memory.dmp

Filesize
48KB

Download
memory/2180-5-0x0000000004D90000-0x0000000004E14000-memory.dmp

Filesize
528KB

Download
memory/2180-17-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2652-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2652-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2652-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2652-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2652-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2652-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2652-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2652-18-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2652-19-0x0000000004A00000-0x0000000004A40000-memory.dmp

Filesize
256KB

Download
memory/2652-20-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download