agenttesla | ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3 | Triage

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 05:08

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General

Target

ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe
Size

1009KB
MD5

72b1dfb60cae17dc577fa43347f69c41
SHA1

5eeb711eb6ade3532a11443fe10941ab15c47a52
SHA256

ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3
SHA512

627e70d818922bc93784f977e6111f5ec5e87da5c6053317854be7de78dfe31d73783a36cae61d1b8e3c2a7b8a5108c2a0a2a06d49f56fd5377556e8d19f9e01
SSDEEP

24576:TAHnh+eWsN3skA4RV1Hom2KXMmHaukON3e7NDR1kt45:eh+ZkldoPK8YauNI7NV1ko

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.gruporequena.com
Port:
587
Username:
[email protected]
Password:
flandealmendra
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. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5028-11-0x0000000000740000-0x0000000000780000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5028-11-0x0000000000740000-0x0000000000780000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5028-11-0x0000000000740000-0x0000000000780000-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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5028-11-0x0000000000740000-0x0000000000780000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5028-11-0x0000000000740000-0x0000000000780000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5028-11-0x0000000000740000-0x0000000000780000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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

19 api.ipify.org
20 api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe

description	pid	process	target process
PID 4740 set thread context of 5028	4740	ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

5028 RegSvcs.exe
5028 RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe

pid	process
4740	ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe
4740	ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 5028 RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe

pid	process
4740	ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe
4740	ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe

pid	process
4740	ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe
4740	ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe

description	pid	process	target process
PID 4740 wrote to memory of 5028	4740	ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe	RegSvcs.exe
PID 4740 wrote to memory of 5028	4740	ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe	RegSvcs.exe
PID 4740 wrote to memory of 5028	4740	ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe	RegSvcs.exe
PID 4740 wrote to memory of 5028	4740	ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe
"C:\Users\Admin\AppData\Local\Temp\ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\ab67341a64bb5e48f68d3d942f96ef10fbc59c118a43ba2dad0c533ffd391be3.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5028

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4740-10-0x0000000001030000-0x0000000001034000-memory.dmp

Filesize
16KB

Download
memory/5028-11-0x0000000000740000-0x0000000000780000-memory.dmp

Filesize
256KB

Download
memory/5028-12-0x000000007421E000-0x000000007421F000-memory.dmp

Filesize
4KB

Download
memory/5028-13-0x0000000005260000-0x0000000005804000-memory.dmp

Filesize
5.6MB

Download
memory/5028-14-0x0000000004EB0000-0x0000000004F16000-memory.dmp

Filesize
408KB

Download
memory/5028-15-0x0000000074210000-0x00000000749C0000-memory.dmp

Filesize
7.7MB

Download
memory/5028-16-0x0000000006300000-0x0000000006350000-memory.dmp

Filesize
320KB

Download
memory/5028-17-0x00000000063F0000-0x0000000006482000-memory.dmp

Filesize
584KB

Download
memory/5028-18-0x0000000006370000-0x000000000637A000-memory.dmp

Filesize
40KB

Download
memory/5028-19-0x000000007421E000-0x000000007421F000-memory.dmp

Filesize
4KB

Download
memory/5028-20-0x0000000074210000-0x00000000749C0000-memory.dmp

Filesize
7.7MB

Download