agenttesla | b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de | Triage

Analysis

max time kernel
120s
max time network
128s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28-04-2024 01:06

Sharing

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General

Target

b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe
Size

689KB
MD5

1ada035e5d065c9f72c0edaede3d23fb
SHA1

a078f140862da6ea430f4eb6090a674f1625c437
SHA256

b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de
SHA512

3fc582cb2d4989c62d3341afcdc197b179b65e845fd33c1321a88338d1c443c9f210f97e623062cb9ebe8eae7a65e4555f965407af545b15d2c625766b41e48d
SSDEEP

12288:3YV6MorX7qzuC3QHO9FQVHPF51jgcdBQ+3TTuJ3sOi:EBXu9HGaVHd9i3s/

Score

10^/10

agenttesla keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://inhanoi.net.vn
Port:
21
Username:
[email protected]
Password:
^TSt3!FK$UBA

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

Processes:

resource	yara_rule
behavioral1/memory/1576-0-0x0000000001070000-0x00000000011F5000-memory.dmp	upx
behavioral1/memory/1576-23-0x0000000001070000-0x00000000011F5000-memory.dmp	upx

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

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral1/memory/1576-23-0x0000000001070000-0x00000000011F5000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe

description	pid	process	target process
PID 1576 set thread context of 2156	1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2156 RegSvcs.exe
2156 RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe

pid	process
1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe
1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2156 RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe

pid	process
1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe
1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe

pid	process
1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe
1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe

description	pid	process	target process
PID 1576 wrote to memory of 2156	1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe	RegSvcs.exe
PID 1576 wrote to memory of 2156	1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe	RegSvcs.exe
PID 1576 wrote to memory of 2156	1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe	RegSvcs.exe
PID 1576 wrote to memory of 2156	1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe	RegSvcs.exe
PID 1576 wrote to memory of 2156	1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe	RegSvcs.exe
PID 1576 wrote to memory of 2156	1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe	RegSvcs.exe
PID 1576 wrote to memory of 2156	1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe	RegSvcs.exe
PID 1576 wrote to memory of 2156	1576	b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe
"C:\Users\Admin\AppData\Local\Temp\b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1576

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\b8ba367e0e847db97a2df73f6edb2b0c6656bf9d275f6ba6c0e3e8f1be1975de.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2156

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1576-0-0x0000000001070000-0x00000000011F5000-memory.dmp

Filesize
1.5MB

Download
memory/1576-11-0x0000000000160000-0x0000000000164000-memory.dmp

Filesize
16KB

Download
memory/1576-23-0x0000000001070000-0x00000000011F5000-memory.dmp

Filesize
1.5MB

Download
memory/2156-12-0x0000000000090000-0x00000000000D0000-memory.dmp

Filesize
256KB

Download
memory/2156-18-0x0000000000090000-0x00000000000D0000-memory.dmp

Filesize
256KB

Download
memory/2156-21-0x0000000000090000-0x00000000000D0000-memory.dmp

Filesize
256KB

Download
memory/2156-14-0x0000000000090000-0x00000000000D0000-memory.dmp

Filesize
256KB

Download
memory/2156-24-0x0000000074A60000-0x000000007514E000-memory.dmp

Filesize
6.9MB

Download
memory/2156-39-0x0000000074A60000-0x000000007514E000-memory.dmp

Filesize
6.9MB

Download