agenttesla | 2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
30-06-2024 01:06

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General

Target

2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
Size

1.0MB
MD5

a8d1735c5702af0faf5cc806f6b0a5e0
SHA1

2379a9d51228b5dbad2b7a38dccd0afdf68ac489
SHA256

2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e
SHA512

854e497658327930c7f5e8c2ea2e6a8239e86b522a74f11d1cd5e40fb1b29fcf8aaaea5ee6563702ed9c3a99a4d7424ee89ec83ddc8c963d39cc094814727618
SSDEEP

24576:nAHnh+eWsN3skA4RV1Hom2KXMmHaJ5OSwZcc5:ah+ZkldoPK8YaJ87Zv

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.laboratoriosvilla.com.mx
Port:
587
Username:
[email protected]
Password:
WZ,2pliw#L)D
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. 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2728-30-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2728-39-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2728-36-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2728-32-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2728-30-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2728-39-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2728-36-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2728-32-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2728-30-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2728-39-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2728-36-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2728-32-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables referencing Windows vault credential objects. Observed in infostealers 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2728-30-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2728-39-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2728-36-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2728-32-0x0000000000090000-0x00000000000D2000-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 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2728-30-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2728-39-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2728-36-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2728-32-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2728-30-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2728-39-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2728-36-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2728-32-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2728-30-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2728-39-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2728-36-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2728-32-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Drops startup file 1 IoCs

Processes:

name.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs name.exe
Executes dropped EXE 1 IoCs

Processes:

name.exe

pid process

2884 name.exe
Loads dropped DLL 1 IoCs

Processes:

2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe

pid process

2416 2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs	name.exe

pid	process
2884	name.exe

pid	process
2416	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\KaGeys = "C:\\Users\\Admin\\AppData\\Roaming\\KaGeys\\KaGeys.exe"	RegSvcs.exe

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
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.

Processes:

resource yara_rule

\Users\Admin\AppData\Local\directory\name.exe autoit_exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

name.exe

description pid process target process

PID 2884 set thread context of 2728 2884 name.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2728 RegSvcs.exe
2728 RegSvcs.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

name.exe

pid process

2884 name.exe
2884 name.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2728 RegSvcs.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exename.exe

pid process

2416 2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
2416 2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
2884 name.exe
2884 name.exe
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exename.exe

pid process

2416 2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
2416 2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
2884 name.exe
2884 name.exe

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

resource	yara_rule
\Users\Admin\AppData\Local\directory\name.exe	autoit_exe

description	pid	process	target process
PID 2884 set thread context of 2728	2884	name.exe	RegSvcs.exe

pid	process
2728	RegSvcs.exe
2728	RegSvcs.exe

pid	process
2884	name.exe
2884	name.exe

description	pid	process
Token: SeDebugPrivilege	2728	RegSvcs.exe

pid	process
2416	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
2416	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
2884	name.exe
2884	name.exe

pid	process
2416	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
2416	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
2884	name.exe
2884	name.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exename.exe

description	pid	process	target process
PID 2416 wrote to memory of 2884	2416	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe	name.exe
PID 2416 wrote to memory of 2884	2416	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe	name.exe
PID 2416 wrote to memory of 2884	2416	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe	name.exe
PID 2416 wrote to memory of 2884	2416	2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe	name.exe
PID 2884 wrote to memory of 2728	2884	name.exe	RegSvcs.exe
PID 2884 wrote to memory of 2728	2884	name.exe	RegSvcs.exe
PID 2884 wrote to memory of 2728	2884	name.exe	RegSvcs.exe
PID 2884 wrote to memory of 2728	2884	name.exe	RegSvcs.exe
PID 2884 wrote to memory of 2728	2884	name.exe	RegSvcs.exe
PID 2884 wrote to memory of 2728	2884	name.exe	RegSvcs.exe
PID 2884 wrote to memory of 2728	2884	name.exe	RegSvcs.exe
PID 2884 wrote to memory of 2728	2884	name.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe
"C:\Users\Admin\AppData\Local\Temp\2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2416

C:\Users\Admin\AppData\Local\directory\name.exe
"C:\Users\Admin\AppData\Local\Temp\2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2884

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e.exe"
3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2728

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\unprickly
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Users\Admin\AppData\Local\directory\name.exe
Filesize
1.0MB

MD5
a8d1735c5702af0faf5cc806f6b0a5e0

SHA1
2379a9d51228b5dbad2b7a38dccd0afdf68ac489

SHA256
2c38956763bb9c8df8d9eb32a8f30252e3e4ac0249f650f609d0036a16e01b9e

SHA512
854e497658327930c7f5e8c2ea2e6a8239e86b522a74f11d1cd5e40fb1b29fcf8aaaea5ee6563702ed9c3a99a4d7424ee89ec83ddc8c963d39cc094814727618

Download Submit
memory/2416-10-0x00000000000B0000-0x00000000000B4000-memory.dmp

Filesize
16KB

Download
memory/2728-30-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2728-39-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2728-36-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2728-32-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2728-40-0x000000007426E000-0x000000007426F000-memory.dmp

Filesize
4KB

Download
memory/2728-41-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-43-0x000000007426E000-0x000000007426F000-memory.dmp

Filesize
4KB

Download
memory/2728-44-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download