agenttesla | 519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86

Analysis

max time kernel
146s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/04/2024, 01:19

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General

Target

519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe
Size

218KB
MD5

50681fe59265316a9e7ee37aa1701d40
SHA1

0d0a72613be20e838c69c1bfbeb64bf4390a0c75
SHA256

519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86
SHA512

5ae5cadc40e419b8bd93485f95cc8cdc24c97302a763112131377b089c0497149180a1c7ab10d16aee969dd122296be8a728ca79cf887262bafc41c98eb96b06
SSDEEP

3072:MjbQw5tKM/717+wUPnS21mQbnc+BR0pKREX/WONBuwrhmc7U1iIyx1IhNXOXcal0:Z+86uwrhmkErFDnXAgpH

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:
hpJvOH%*JutO
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

resource	yara_rule
behavioral1/memory/2124-5-0x0000000008D30000-0x0000000008F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-6-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-7-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-9-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-13-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-15-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-17-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-21-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-23-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-19-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-11-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-25-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-29-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-33-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-35-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-37-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-39-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-43-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-45-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-41-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-47-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-49-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-51-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-55-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-57-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-53-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-59-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-63-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-61-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-65-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-69-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-67-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-31-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1
behavioral1/memory/2124-27-0x0000000008D30000-0x0000000008F73000-memory.dmp	family_zgrat_v1

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral1/memory/292-4922-0x00000000000C0000-0x0000000000100000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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

resource	yara_rule
behavioral1/memory/292-4922-0x00000000000C0000-0x0000000000100000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

resource	yara_rule
behavioral1/memory/292-4922-0x00000000000C0000-0x0000000000100000-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
behavioral1/memory/292-4922-0x00000000000C0000-0x0000000000100000-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
behavioral1/memory/292-4922-0x00000000000C0000-0x0000000000100000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

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

resource	yara_rule
behavioral1/memory/292-4922-0x00000000000C0000-0x0000000000100000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Executes dropped EXE 1 IoCs

pid	Process
1708	asn34.exe

Loads dropped DLL 1 IoCs

pid	Process
2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hobebo = "C:\\Users\\Admin\\AppData\\Roaming\\Hobebo.exe"	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.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.

flow	ioc
8	api.ipify.org
9	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 292	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
292	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe
292	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe
Token: SeDebugPrivilege	1708	asn34.exe
Token: SeDebugPrivilege	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe
Token: SeDebugPrivilege	292	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1708	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe	30
PID 2124 wrote to memory of 1708	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe	30
PID 2124 wrote to memory of 1708	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe	30
PID 2124 wrote to memory of 1708	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe	30
PID 2124 wrote to memory of 292	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe	31
PID 2124 wrote to memory of 292	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe	31
PID 2124 wrote to memory of 292	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe	31
PID 2124 wrote to memory of 292	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe	31
PID 2124 wrote to memory of 292	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe	31
PID 2124 wrote to memory of 292	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe	31
PID 2124 wrote to memory of 292	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe	31
PID 2124 wrote to memory of 292	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe	31
PID 2124 wrote to memory of 292	2124	519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe	31

C:\Users\Admin\AppData\Local\Temp\519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe
"C:\Users\Admin\AppData\Local\Temp\519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\asn34.exe
  "C:\Users\Admin\AppData\Local\Temp\asn34.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1708
- C:\Users\Admin\AppData\Local\Temp\519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe
  "C:\Users\Admin\AppData\Local\Temp\519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:292

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

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asn34.exe

Filesize
218KB

MD5
f98d4b94de5e81a9a9ab1de6a0e4aa3b

SHA1
aae2963d5e2d0af0a69e1e587bf4855e88cba495

SHA256
4877973f76021ff1976dd177a2e651b493c8aa2d6b3a0eaf050442d4ecf9ddce

SHA512
6d396c51fdfd56a07a981ac9e882bee517f4c770ed56729c73bb4aa436545de4f9e9003ac70bb1c071e1f37cd11a25953381ef16cedff5651cfd35e19b55432f

Download Submit
memory/292-4923-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download
memory/292-4922-0x00000000000C0000-0x0000000000100000-memory.dmp

Filesize
256KB

Download
memory/1708-4898-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download
memory/1708-4897-0x0000000001170000-0x00000000011AA000-memory.dmp

Filesize
232KB

Download
memory/1708-4900-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Filesize
256KB

Download
memory/2124-35-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-43-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-3-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download
memory/2124-4-0x0000000002260000-0x00000000022A0000-memory.dmp

Filesize
256KB

Download
memory/2124-5-0x0000000008D30000-0x0000000008F7A000-memory.dmp

Filesize
2.3MB

Download
memory/2124-6-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-7-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-9-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-13-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-15-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-17-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-21-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-23-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-19-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-11-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-25-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-29-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-33-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-1-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download
memory/2124-37-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-39-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-2-0x0000000002260000-0x00000000022A0000-memory.dmp

Filesize
256KB

Download
memory/2124-45-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-41-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-47-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-49-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-51-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-55-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-57-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-53-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-59-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-63-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-61-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-65-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-69-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-67-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-31-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-27-0x0000000008D30000-0x0000000008F73000-memory.dmp

Filesize
2.3MB

Download
memory/2124-4886-0x00000000020B0000-0x00000000020B1000-memory.dmp

Filesize
4KB

Download
memory/2124-4888-0x0000000004EA0000-0x0000000004EEC000-memory.dmp

Filesize
304KB

Download
memory/2124-4887-0x0000000004F60000-0x0000000004FE6000-memory.dmp

Filesize
536KB

Download
memory/2124-4896-0x00000000052E0000-0x0000000005334000-memory.dmp

Filesize
336KB

Download
memory/2124-0-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/2124-4913-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download