agenttesla | b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
15-05-2024 01:46

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General

Target

b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe
Size

4.3MB
MD5

7bdae307fc1ff1f771114c1d5a0ebef6
SHA1

e8178de766e4df45677155415d6425f5260da3c8
SHA256

b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b
SHA512

7ad744b879c570548c667e284c574bdaf38eb2cc7f649012f475e2c5b911a69ab0d9f8caa58940ee43c26777887b2984c130e583305aa5f3e5b6bc090e188fca
SSDEEP

24576:aDJW1P5u0ngg4Q/71W68A05k6+peVq99YvXk6XhMKMVEvZekbJqz6Y3+droBEC:

Score

10^/10

agenttesla zgrat keylogger rat spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.gencoldfire.com
Port:
587
Username:
[email protected]
Password:
mh7B/7[hSO#bYHw1

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.gencoldfire.com
Port:
587
Username:
[email protected]
Password:
mh7B/7[hSO#bYHw1
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
behavioral2/memory/3000-2-0x0000000006C20000-0x0000000006E52000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-10-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-6-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-22-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-5-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-8-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-26-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-38-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-68-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-66-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-64-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-60-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-58-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-56-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-54-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-62-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-50-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-48-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-46-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-44-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-42-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-40-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-36-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-34-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-32-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-28-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-52-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-30-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-24-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-20-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-18-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-16-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-14-0x0000000006C20000-0x0000000006E4B000-memory.dmp	family_zgrat_v1
behavioral2/memory/3000-12-0x0000000006C20000-0x0000000006E4B000-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
behavioral2/memory/3660-4894-0x0000000000900000-0x0000000000942000-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
behavioral2/memory/3660-4894-0x0000000000900000-0x0000000000942000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3660-4894-0x0000000000900000-0x0000000000942000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

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

Processes:

resource	yara_rule
behavioral2/memory/3660-4894-0x0000000000900000-0x0000000000942000-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
behavioral2/memory/3660-4894-0x0000000000900000-0x0000000000942000-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
behavioral2/memory/3660-4894-0x0000000000900000-0x0000000000942000-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
behavioral2/memory/3660-4894-0x0000000000900000-0x0000000000942000-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

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
22	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe

description	pid	Process	procid_target
PID 3000 set thread context of 3660	3000	b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe	87

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe

pid	Process
3660	b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe
3660	b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exeb84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe

description	pid	Process
Token: SeDebugPrivilege	3000	b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe
Token: SeDebugPrivilege	3000	b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe
Token: SeDebugPrivilege	3660	b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe

description	pid	Process	procid_target
PID 3000 wrote to memory of 3660	3000	b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe	87
PID 3000 wrote to memory of 3660	3000	b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe	87
PID 3000 wrote to memory of 3660	3000	b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe	87
PID 3000 wrote to memory of 3660	3000	b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe	87
PID 3000 wrote to memory of 3660	3000	b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe	87
PID 3000 wrote to memory of 3660	3000	b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe	87
PID 3000 wrote to memory of 3660	3000	b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe	87
PID 3000 wrote to memory of 3660	3000	b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe	87

C:\Users\Admin\AppData\Local\Temp\b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe
"C:\Users\Admin\AppData\Local\Temp\b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Users\Admin\AppData\Local\Temp\b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe
  "C:\Users\Admin\AppData\Local\Temp\b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe.log

Filesize
805B

MD5
58a9108e39c2ea50e65c23be3a9407cf

SHA1
fb21f7b9330aa1a77080a3243b81b49035102d7b

SHA256
6049be83020702896a539b5c8c13270add224d7b91b3ee0bebc328791b74a84b

SHA512
93804ee8a4560503e47c07f5fa4a959e23355a01aba406c103d339debc9b2b1d20a345cdbb8d8069dac97b9151f228cf559ac3dde1500e3484fba1a4126842bf

Download Submit
memory/3000-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/3000-1-0x0000000000B70000-0x0000000000FCE000-memory.dmp

Filesize
4.4MB

Download
memory/3000-2-0x0000000006C20000-0x0000000006E52000-memory.dmp

Filesize
2.2MB

Download
memory/3000-3-0x0000000007400000-0x00000000079A4000-memory.dmp

Filesize
5.6MB

Download
memory/3000-4-0x0000000006EF0000-0x0000000006F82000-memory.dmp

Filesize
584KB

Download
memory/3000-10-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-6-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-22-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-5-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-8-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-26-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-38-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-68-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-66-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-64-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-60-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-58-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-56-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-54-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-62-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-50-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-48-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-46-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-44-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-42-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-40-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-36-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-34-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-32-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-28-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-52-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-30-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-24-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-20-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-18-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-16-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-14-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-12-0x0000000006C20000-0x0000000006E4B000-memory.dmp

Filesize
2.2MB

Download
memory/3000-4885-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/3000-4886-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/3000-4888-0x0000000007000000-0x000000000704C000-memory.dmp

Filesize
304KB

Download
memory/3000-4887-0x0000000006F90000-0x0000000006FFC000-memory.dmp

Filesize
432KB

Download
memory/3000-4889-0x0000000007060000-0x00000000070B4000-memory.dmp

Filesize
336KB

Download
memory/3000-4892-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/3660-4894-0x0000000000900000-0x0000000000942000-memory.dmp

Filesize
264KB

Download
memory/3660-4893-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/3660-4895-0x0000000004E10000-0x0000000004E76000-memory.dmp

Filesize
408KB

Download
memory/3660-4896-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/3660-4897-0x00000000064C0000-0x0000000006510000-memory.dmp

Filesize
320KB

Download
memory/3660-4898-0x00000000065B0000-0x000000000664C000-memory.dmp

Filesize
624KB

Download
memory/3660-4899-0x00000000067B0000-0x00000000067BA000-memory.dmp

Filesize
40KB

Download
memory/3660-4900-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download