agenttesla | 5712a2391ceea014323d4e43edd48069d4c2887b694df861db4a35ff32b20d64

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14-05-2024 16:18

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General

Target

INVOICE.exe
Size

205KB
MD5

494992eed787907766ef59dbec953d6b
SHA1

ff02df9c31bd5462c912c84b040430682ac0304c
SHA256

92fa9b6f4856cfd35907ac59a621ab7dcbb49550ae29b9131d570f5c1b6c4313
SHA512

7c7318962a1273d1635f5fbf9dbd27f667148a6a2c30bcbf9a33440dabf1f566d40eaeee3a635d1742816bfa5c3fe2fe0efd48eb8b1a43e81fc575105c161943
SSDEEP

3072:P8ANnCDDRvLGprOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/FPYm21KLbDoUssNXA:UkstvLGcxLbMUMK2dH

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:
YuWsikfV67lD
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/2256-3-0x0000000008540000-0x0000000008770000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-4-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-11-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-9-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-7-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-5-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-19-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-23-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-21-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-17-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-15-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-13-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-29-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-33-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-31-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-27-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-25-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-35-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-57-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-61-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-63-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-59-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-55-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-53-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-51-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-49-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-47-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-45-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-43-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-41-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-39-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-37-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-65-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2256-67-0x0000000008540000-0x000000000876A000-memory.dmp	family_zgrat_v1

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

INVOICE.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\savef = "C:\\Users\\Admin\\AppData\\Roaming\\savef.exe"	INVOICE.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
6	api.ipify.org
7	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

INVOICE.exe

description	pid	Process	procid_target
PID 2256 set thread context of 3372	2256	INVOICE.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

INVOICE.exe

pid	Process
3372	INVOICE.exe
3372	INVOICE.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

INVOICE.exeINVOICE.exe

description	pid	Process
Token: SeDebugPrivilege	2256	INVOICE.exe
Token: SeDebugPrivilege	2256	INVOICE.exe
Token: SeDebugPrivilege	3372	INVOICE.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

INVOICE.exe

description	pid	Process	procid_target
PID 2256 wrote to memory of 3372	2256	INVOICE.exe	30
PID 2256 wrote to memory of 3372	2256	INVOICE.exe	30
PID 2256 wrote to memory of 3372	2256	INVOICE.exe	30
PID 2256 wrote to memory of 3372	2256	INVOICE.exe	30
PID 2256 wrote to memory of 3372	2256	INVOICE.exe	30
PID 2256 wrote to memory of 3372	2256	INVOICE.exe	30
PID 2256 wrote to memory of 3372	2256	INVOICE.exe	30
PID 2256 wrote to memory of 3372	2256	INVOICE.exe	30
PID 2256 wrote to memory of 3372	2256	INVOICE.exe	30

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
  "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3372

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/2256-59-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-4889-0x00000000050B0000-0x0000000005104000-memory.dmp

Filesize
336KB

Download
memory/2256-2-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2256-3-0x0000000008540000-0x0000000008770000-memory.dmp

Filesize
2.2MB

Download
memory/2256-4-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-11-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-9-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-7-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-5-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-19-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-23-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-21-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-17-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-15-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-61-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-29-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-33-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-31-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-27-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-25-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-35-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-57-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-13-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-1-0x0000000000390000-0x00000000003C6000-memory.dmp

Filesize
216KB

Download
memory/2256-41-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-55-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-53-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-51-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-49-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-47-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-45-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-43-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-0-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2256-39-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-37-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-65-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-67-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-4885-0x0000000004CF0000-0x0000000004D3C000-memory.dmp

Filesize
304KB

Download
memory/2256-4886-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2256-4884-0x0000000005040000-0x00000000050AC000-memory.dmp

Filesize
432KB

Download
memory/2256-4887-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2256-4888-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2256-63-0x0000000008540000-0x000000000876A000-memory.dmp

Filesize
2.2MB

Download
memory/2256-4902-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/3372-4903-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/3372-4904-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3372-4905-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/3372-4906-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download