agenttesla | fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e

Analysis

max time kernel
119s
max time network
138s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-03-2024 05:39

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General

Target

fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
Size

2.8MB
MD5

388a85182dd3fe6c6e9d96617d8a8149
SHA1

8685e212db44fbf7df85e6e12b9ac973418e33b5
SHA256

fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e
SHA512

831c79bbf936a400078c39d90e60ca0753c9e8bdffc5872096d9171362c0fdeef06d7433316385b827595c0c6c0e1422aaa53b50f5ee4967778db74c2ffca1a2
SSDEEP

49152:rUbVXnEoeQV8oI3BosehgnxlEstphJyle5Hdfd1HtYA3Fr:rUZ8CenXyiHdfnHtr1r

Score

10^/10

agenttesla zgrat keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sturmsgroup.com
Port:
587
Username:
[email protected]
Password:
y[/wk46uE}y(|Xn[
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/2724-2-0x0000000004D50000-0x0000000004F80000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-3-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-4-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-6-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-8-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-10-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-12-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-14-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-16-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-18-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-20-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-22-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-24-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-26-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-28-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-30-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-32-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-34-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-36-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-38-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-40-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-42-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-44-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-46-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-48-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-50-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-52-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-54-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-56-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-58-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-60-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-62-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-64-0x0000000004D50000-0x0000000004F7A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2724-66-0x0000000004D50000-0x0000000004F7A000-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/1016-4900-0x0000000000400000-0x0000000000442000-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/1016-4900-0x0000000000400000-0x0000000000442000-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
behavioral1/memory/1016-4900-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

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

Processes:

resource	yara_rule
behavioral1/memory/1016-4900-0x0000000000400000-0x0000000000442000-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/1016-4900-0x0000000000400000-0x0000000000442000-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/1016-4900-0x0000000000400000-0x0000000000442000-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/1016-4900-0x0000000000400000-0x0000000000442000-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
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

4 ip-api.com

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe

description	pid	process	target process
PID 2724 set thread context of 1016	2724	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe

pid	process
1016	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
1016	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exefe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe

description	pid	process
Token: SeDebugPrivilege	2724	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
Token: SeDebugPrivilege	2724	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
Token: SeDebugPrivilege	1016	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe

description	pid	process	target process
PID 2724 wrote to memory of 1016	2724	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
PID 2724 wrote to memory of 1016	2724	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
PID 2724 wrote to memory of 1016	2724	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
PID 2724 wrote to memory of 1016	2724	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
PID 2724 wrote to memory of 1016	2724	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
PID 2724 wrote to memory of 1016	2724	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
PID 2724 wrote to memory of 1016	2724	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
PID 2724 wrote to memory of 1016	2724	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
PID 2724 wrote to memory of 1016	2724	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe	fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe

C:\Users\Admin\AppData\Local\Temp\fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
"C:\Users\Admin\AppData\Local\Temp\fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2724

C:\Users\Admin\AppData\Local\Temp\fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe
"C:\Users\Admin\AppData\Local\Temp\fe83d5e9847e8cf0cfa719135a98734ed8e89c55c2c328f446b4a983d4c92c0e.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1016

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1016-4900-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1016-4904-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/1016-4903-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1016-4902-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/1016-4901-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2724-40-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-48-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-10-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-12-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-14-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-16-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-18-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-20-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-22-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-24-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-26-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-28-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-30-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-32-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-34-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-36-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-38-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-0-0x0000000001020000-0x00000000012F8000-memory.dmp

Filesize
2.8MB

Download
memory/2724-42-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-44-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-46-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-8-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-50-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-52-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-54-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-56-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-58-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-60-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-62-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-64-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-66-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-4883-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download
memory/2724-4884-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download
memory/2724-4886-0x0000000000DA0000-0x0000000000DEC000-memory.dmp

Filesize
304KB

Download
memory/2724-4885-0x0000000000AF0000-0x0000000000B5C000-memory.dmp

Filesize
432KB

Download
memory/2724-4887-0x0000000000FD0000-0x0000000001024000-memory.dmp

Filesize
336KB

Download
memory/2724-4896-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download
memory/2724-6-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-4-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-3-0x0000000004D50000-0x0000000004F7A000-memory.dmp

Filesize
2.2MB

Download
memory/2724-2-0x0000000004D50000-0x0000000004F80000-memory.dmp

Filesize
2.2MB

Download
memory/2724-1-0x0000000074190000-0x000000007487E000-memory.dmp

Filesize
6.9MB

Download