agenttesla | 3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377

Analysis

max time kernel
156s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/02/2024, 05:21

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General

Target

3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe
Size

577KB
MD5

0bd3ba54e625948b9378c9ff8f2905ad
SHA1

aa2de74b5fdfd4e92bd5f8ee46b4cc2768d5b6b6
SHA256

3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377
SHA512

9dd6d3c845c30b244bc717c6a5be7e37fcbc3e947403fa21bff107c60019a92dd474dd44de19dd77774363079a0709f6718b06d067fc22dffd8effd0f0cee24d
SSDEEP

12288:VOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPin2Acooe1GJqAAdR5VOkO:Vq5TfcdHj4fmb4HTbr5I

Score

10^/10

agenttesla keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.elquijotebanquetes.com
Port:
21
Username:
[email protected]
Password:
4r@d15PS!-!h

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

resource	yara_rule
behavioral2/memory/2336-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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

resource	yara_rule
behavioral2/memory/2336-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs

resource	yara_rule
behavioral2/memory/2336-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

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

resource	yara_rule
behavioral2/memory/2336-14-0x0000000000400000-0x0000000000442000-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 1 IoCs

resource	yara_rule
behavioral2/memory/2336-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

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

resource	yara_rule
behavioral2/memory/2336-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

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

resource	yara_rule
behavioral2/memory/2336-14-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/2204-0-0x0000000000990000-0x0000000000AE1000-memory.dmp	UPX
behavioral2/memory/2204-1-0x0000000000990000-0x0000000000AE1000-memory.dmp	UPX
behavioral2/memory/2204-13-0x0000000000990000-0x0000000000AE1000-memory.dmp	UPX
behavioral2/memory/2204-15-0x0000000000990000-0x0000000000AE1000-memory.dmp	UPX

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2204-0-0x0000000000990000-0x0000000000AE1000-memory.dmp	upx
behavioral2/memory/2204-1-0x0000000000990000-0x0000000000AE1000-memory.dmp	upx
behavioral2/memory/2204-13-0x0000000000990000-0x0000000000AE1000-memory.dmp	upx
behavioral2/memory/2204-15-0x0000000000990000-0x0000000000AE1000-memory.dmp	upx

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
63	ip-api.com

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2204-13-0x0000000000990000-0x0000000000AE1000-memory.dmp	autoit_exe
behavioral2/memory/2204-15-0x0000000000990000-0x0000000000AE1000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2204 set thread context of 2336	2204	3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe	100

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2336	RegSvcs.exe
2336	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2204	3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2336	RegSvcs.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2204	3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe
2204	3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe
2204	3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2204	3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe
2204	3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe
2204	3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2336	2204	3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe	100
PID 2204 wrote to memory of 2336	2204	3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe	100
PID 2204 wrote to memory of 2336	2204	3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe	100
PID 2204 wrote to memory of 2336	2204	3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe	100

C:\Users\Admin\AppData\Local\Temp\3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe
"C:\Users\Admin\AppData\Local\Temp\3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\3c2e45ec9a4b0e3b05b964f8cc1b5a124101e223aaad08f060c90e9140a34377.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2336

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3856 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
1⤵
PID:3620

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2204-15-0x0000000000990000-0x0000000000AE1000-memory.dmp

Filesize
1.3MB

Download
memory/2204-1-0x0000000000990000-0x0000000000AE1000-memory.dmp

Filesize
1.3MB

Download
memory/2204-12-0x00000000043F0000-0x00000000043F4000-memory.dmp

Filesize
16KB

Download
memory/2204-13-0x0000000000990000-0x0000000000AE1000-memory.dmp

Filesize
1.3MB

Download
memory/2204-0-0x0000000000990000-0x0000000000AE1000-memory.dmp

Filesize
1.3MB

Download
memory/2336-16-0x00000000740F0000-0x00000000748A0000-memory.dmp

Filesize
7.7MB

Download
memory/2336-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2336-17-0x0000000005E40000-0x00000000063E4000-memory.dmp

Filesize
5.6MB

Download
memory/2336-18-0x00000000740F0000-0x00000000748A0000-memory.dmp

Filesize
7.7MB

Download
memory/2336-19-0x0000000005860000-0x0000000005870000-memory.dmp

Filesize
64KB

Download
memory/2336-20-0x0000000005CC0000-0x0000000005D26000-memory.dmp

Filesize
408KB

Download
memory/2336-21-0x0000000005860000-0x0000000005870000-memory.dmp

Filesize
64KB

Download
memory/2336-22-0x0000000006D50000-0x0000000006DA0000-memory.dmp

Filesize
320KB

Download
memory/2336-23-0x0000000006E40000-0x0000000006ED2000-memory.dmp

Filesize
584KB

Download
memory/2336-24-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

Filesize
40KB

Download