agenttesla | 0efa252ce7d31beceed0a8e7479a32acedf886ecf2f6fb98e7edb19fa8895d0f

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231130-en
resource tags

arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
submitted
11-12-2023 14:17

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General

Target

Uqzqkjvjt.exe
Size

667KB
MD5

d840d8828c7d653df6e528c5839c58e1
SHA1

2200c0209a437889afe3b268301fdfc467b70fd7
SHA256

4a27c12a8f4fb92e14521406e64dee16c6e888ba8de479b56d273241f514883b
SHA512

1fa04c5285db39fd177d6e5498d5af7e60bfb3446d9b756acfeed0d86121dd0e037feed483362a2a790e63a4559b073231147c4f974603be959327c286a6b608
SSDEEP

12288:8JCwrKHetRgFqSFa7y0iL/M8GXem/rZcsMW2g7dyEL3uG5:aCJH3PTtD0/dclW20d+

Score

10^/10

agenttesla zgrat keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.asiaparadisehotel.com
Port:
587
Username:
[email protected]
Password:
^b2ycDldex$@
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/2992-2-0x0000000004290000-0x000000000433A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-4-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-5-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-13-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-21-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-31-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-43-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-45-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-59-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-63-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-65-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-67-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-61-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-57-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-55-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-53-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-51-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-49-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-47-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-41-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-39-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-37-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-35-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-33-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-29-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-27-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-25-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-23-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-19-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-17-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-15-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-11-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-9-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1
behavioral1/memory/2992-7-0x0000000004290000-0x0000000004333000-memory.dmp	family_zgrat_v1

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

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Uqzqkjvjt.exeRegAsm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2058106572-1146578376-825901627-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mudnhtwci = "C:\\Users\\Admin\\AppData\\Roaming\\Mudnhtwci.exe"	Uqzqkjvjt.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2058106572-1146578376-825901627-1000\Software\Microsoft\Windows\CurrentVersion\Run\M yApp = "C:\\Users\\Admin\\AppData\\Roaming\\M yApp\\M yApp.exe"	RegAsm.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Uqzqkjvjt.exe

description pid process target process

PID 2992 set thread context of 1452 2992 Uqzqkjvjt.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

1452 RegAsm.exe
1452 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Uqzqkjvjt.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 2992 Uqzqkjvjt.exe
Token: SeDebugPrivilege 1452 RegAsm.exe

flow	ioc
2	api.ipify.org

description	pid	process	target process
PID 2992 set thread context of 1452	2992	Uqzqkjvjt.exe	RegAsm.exe

pid	process
1452	RegAsm.exe
1452	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2992	Uqzqkjvjt.exe
Token: SeDebugPrivilege	1452	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Uqzqkjvjt.exe

description	pid	process	target process
PID 2992 wrote to memory of 1452	2992	Uqzqkjvjt.exe	RegAsm.exe
PID 2992 wrote to memory of 1452	2992	Uqzqkjvjt.exe	RegAsm.exe
PID 2992 wrote to memory of 1452	2992	Uqzqkjvjt.exe	RegAsm.exe
PID 2992 wrote to memory of 1452	2992	Uqzqkjvjt.exe	RegAsm.exe
PID 2992 wrote to memory of 1452	2992	Uqzqkjvjt.exe	RegAsm.exe
PID 2992 wrote to memory of 1452	2992	Uqzqkjvjt.exe	RegAsm.exe
PID 2992 wrote to memory of 1452	2992	Uqzqkjvjt.exe	RegAsm.exe
PID 2992 wrote to memory of 1452	2992	Uqzqkjvjt.exe	RegAsm.exe
PID 2992 wrote to memory of 1452	2992	Uqzqkjvjt.exe	RegAsm.exe
PID 2992 wrote to memory of 1452	2992	Uqzqkjvjt.exe	RegAsm.exe
PID 2992 wrote to memory of 1452	2992	Uqzqkjvjt.exe	RegAsm.exe
PID 2992 wrote to memory of 1452	2992	Uqzqkjvjt.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Uqzqkjvjt.exe
"C:\Users\Admin\AppData\Local\Temp\Uqzqkjvjt.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2992

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1452

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

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1452-942-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2992-49-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-31-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-3-0x0000000000810000-0x0000000000850000-memory.dmp

Filesize
256KB

Download
memory/2992-47-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-5-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-39-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-21-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-41-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-43-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-45-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-59-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-63-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-65-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-67-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-61-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-57-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-55-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-53-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-51-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-0-0x00000000009A0000-0x0000000000A4E000-memory.dmp

Filesize
696KB

Download
memory/2992-4-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-2-0x0000000004290000-0x000000000433A000-memory.dmp

Filesize
680KB

Download
memory/2992-13-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-37-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-35-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-33-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-29-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-27-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-25-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-23-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-19-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-17-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-15-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-11-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-9-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-7-0x0000000004290000-0x0000000004333000-memory.dmp

Filesize
652KB

Download
memory/2992-926-0x0000000000860000-0x0000000000861000-memory.dmp

Filesize
4KB

Download
memory/2992-927-0x0000000002110000-0x0000000002152000-memory.dmp

Filesize
264KB

Download
memory/2992-928-0x0000000004340000-0x000000000438C000-memory.dmp

Filesize
304KB

Download
memory/2992-938-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2992-1-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download