agenttesla | 3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d

Analysis

max time kernel
118s
max time network
138s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
15-05-2024 01:15

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General

Target

3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe
Size

205KB
MD5

aeeb6a8f7b4f4e465b3ce9dc62ec024e
SHA1

e6b8fb14f9cf2f524ae706fbf1bbdf91b7615e76
SHA256

3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d
SHA512

a2aa125e2f927dc3336e444fd0be9a8519c42480173f90a2f677d6d5433187bcd51d99b5637006576ea7ef751c1b7024a53840833104df2698fd03ae0ec3ab3e
SSDEEP

3072:44NnCDDRvLGprOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/FPYm21KLbDoUssNXN2:1stvLGcxLbMUMK21H

Score

10^/10

agenttesla zgrat keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
66.29.151.236
Port:
587
Username:
[email protected]
Password:
s9jjoVvaZchS
Email To:
[email protected]

Signatures

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

Detect ZGRat V1 34 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3000-3-0x0000000008920000-0x0000000008B50000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-4-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-11-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-5-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-7-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-9-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-15-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-13-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-17-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-19-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-21-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-27-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-29-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-25-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-23-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-31-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-33-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-47-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-45-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-43-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-41-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-39-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-37-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-35-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-67-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-65-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-63-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-61-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-59-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-57-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-55-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-53-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-51-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-49-0x0000000008920000-0x0000000008B4A000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2436-4904-0x0000000000400000-0x0000000000442000-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
behavioral1/memory/2436-4904-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

Processes:

resource	yara_rule
behavioral1/memory/2436-4904-0x0000000000400000-0x0000000000442000-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

Processes:

resource	yara_rule
behavioral1/memory/2436-4904-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

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

Processes:

resource	yara_rule
behavioral1/memory/2436-4904-0x0000000000400000-0x0000000000442000-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
behavioral1/memory/2436-4904-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\savef = "C:\\Users\\Admin\\AppData\\Roaming\\savef.exe"	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe

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
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe

description	pid	Process	procid_target
PID 3000 set thread context of 2436	3000	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe

pid	Process
2436	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe
2436	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe

description	pid	Process
Token: SeDebugPrivilege	3000	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe
Token: SeDebugPrivilege	3000	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe
Token: SeDebugPrivilege	2436	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe

description	pid	Process	procid_target
PID 3000 wrote to memory of 2436	3000	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe	28
PID 3000 wrote to memory of 2436	3000	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe	28
PID 3000 wrote to memory of 2436	3000	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe	28
PID 3000 wrote to memory of 2436	3000	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe	28
PID 3000 wrote to memory of 2436	3000	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe	28
PID 3000 wrote to memory of 2436	3000	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe	28
PID 3000 wrote to memory of 2436	3000	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe	28
PID 3000 wrote to memory of 2436	3000	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe	28
PID 3000 wrote to memory of 2436	3000	3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe	28

C:\Users\Admin\AppData\Local\Temp\3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe
"C:\Users\Admin\AppData\Local\Temp\3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Users\Admin\AppData\Local\Temp\3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe
  "C:\Users\Admin\AppData\Local\Temp\3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2436-4903-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-4907-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-4906-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-4904-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3000-39-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-2-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-5-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-35-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-9-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-15-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-13-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-17-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-19-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-21-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-27-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-29-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-25-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-23-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-31-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-33-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-47-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-65-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-43-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-41-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-0-0x0000000073F9E000-0x0000000073F9F000-memory.dmp

Filesize
4KB

Download
memory/3000-37-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-7-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-11-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-45-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-63-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-61-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-59-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-57-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-4884-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-55-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-53-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-51-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-49-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-4886-0x0000000004810000-0x000000000485C000-memory.dmp

Filesize
304KB

Download
memory/3000-4885-0x00000000053B0000-0x000000000541C000-memory.dmp

Filesize
432KB

Download
memory/3000-4887-0x0000000073F9E000-0x0000000073F9F000-memory.dmp

Filesize
4KB

Download
memory/3000-4888-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-4889-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-4890-0x0000000002060000-0x00000000020B4000-memory.dmp

Filesize
336KB

Download
memory/3000-4-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-3-0x0000000008920000-0x0000000008B50000-memory.dmp

Filesize
2.2MB

Download
memory/3000-4905-0x0000000073F90000-0x000000007467E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-67-0x0000000008920000-0x0000000008B4A000-memory.dmp

Filesize
2.2MB

Download
memory/3000-1-0x0000000000C20000-0x0000000000C56000-memory.dmp

Filesize
216KB

Download