agenttesla | 2393c64f19e5818eb506a2f8660be2a81ad6ec357baf132fa62ee30828d01fe9

General

Target

CL00485Q1902589CLSCTB.exe
Size

505KB
MD5

714917e5b4ddcfe8f1aed4a31944ee8b
SHA1

32a82506a74300c541983b66ebc7179bb674374f
SHA256

2393c64f19e5818eb506a2f8660be2a81ad6ec357baf132fa62ee30828d01fe9
SHA512

bb607a11cd9b45325bda1c42776a6e205210eaa73939ad28bfa5cb0cbe8424a85fbb4660c45a68cf108d8e14938efc9d827247c319868b3abdc219cf32490c01

Score

10^/10

agenttesla coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
gabby.anthony@yandex.com
Password:
43210001234

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
gabby.anthony@yandex.com
Password:
43210001234

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

CoreEntity .NET Packer 1 IoCs

A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

coreentity

Processes:

resource	yara_rule
behavioral2/memory/3976-6-0x0000000004A20000-0x0000000004A23000-memory.dmp	coreentity

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3612-9-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral2/memory/3612-10-0x000000000044AE5E-mapping.dmp	family_agenttesla

rezer0 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral2/memory/3976-7-0x000000000ACF0000-0x000000000AD41000-memory.dmp	rezer0

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

CL00485Q1902589CLSCTB.exe

description pid process target process

PID 3976 set thread context of 3612 3976 CL00485Q1902589CLSCTB.exe CL00485Q1902589CLSCTB.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

CL00485Q1902589CLSCTB.exe

pid process

3612 CL00485Q1902589CLSCTB.exe
3612 CL00485Q1902589CLSCTB.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

CL00485Q1902589CLSCTB.exeCL00485Q1902589CLSCTB.exe

description pid process

Token: SeDebugPrivilege 3976 CL00485Q1902589CLSCTB.exe
Token: SeDebugPrivilege 3612 CL00485Q1902589CLSCTB.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

CL00485Q1902589CLSCTB.exeCL00485Q1902589CLSCTB.exe

pid process

3976 CL00485Q1902589CLSCTB.exe
3976 CL00485Q1902589CLSCTB.exe
3612 CL00485Q1902589CLSCTB.exe

description	pid	process	target process
PID 3976 set thread context of 3612	3976	CL00485Q1902589CLSCTB.exe	CL00485Q1902589CLSCTB.exe

pid	process
3612	CL00485Q1902589CLSCTB.exe
3612	CL00485Q1902589CLSCTB.exe

description	pid	process
Token: SeDebugPrivilege	3976	CL00485Q1902589CLSCTB.exe
Token: SeDebugPrivilege	3612	CL00485Q1902589CLSCTB.exe

pid	process
3976	CL00485Q1902589CLSCTB.exe
3976	CL00485Q1902589CLSCTB.exe
3612	CL00485Q1902589CLSCTB.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

CL00485Q1902589CLSCTB.exeCL00485Q1902589CLSCTB.exe

description	pid	process	target process
PID 3976 wrote to memory of 3612	3976	CL00485Q1902589CLSCTB.exe	CL00485Q1902589CLSCTB.exe
PID 3976 wrote to memory of 3612	3976	CL00485Q1902589CLSCTB.exe	CL00485Q1902589CLSCTB.exe
PID 3976 wrote to memory of 3612	3976	CL00485Q1902589CLSCTB.exe	CL00485Q1902589CLSCTB.exe
PID 3976 wrote to memory of 3612	3976	CL00485Q1902589CLSCTB.exe	CL00485Q1902589CLSCTB.exe
PID 3976 wrote to memory of 3612	3976	CL00485Q1902589CLSCTB.exe	CL00485Q1902589CLSCTB.exe
PID 3976 wrote to memory of 3612	3976	CL00485Q1902589CLSCTB.exe	CL00485Q1902589CLSCTB.exe
PID 3976 wrote to memory of 3612	3976	CL00485Q1902589CLSCTB.exe	CL00485Q1902589CLSCTB.exe
PID 3976 wrote to memory of 3612	3976	CL00485Q1902589CLSCTB.exe	CL00485Q1902589CLSCTB.exe
PID 3612 wrote to memory of 1496	3612	CL00485Q1902589CLSCTB.exe	netsh.exe
PID 3612 wrote to memory of 1496	3612	CL00485Q1902589CLSCTB.exe	netsh.exe
PID 3612 wrote to memory of 1496	3612	CL00485Q1902589CLSCTB.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\CL00485Q1902589CLSCTB.exe
"C:\Users\Admin\AppData\Local\Temp\CL00485Q1902589CLSCTB.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3976

C:\Users\Admin\AppData\Local\Temp\CL00485Q1902589CLSCTB.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3612

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1496

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\CL00485Q1902589CLSCTB.exe.log
MD5
b4f7a6a57cb46d94b72410eb6a6d45a9

SHA1
69f3596ffa027202d391444b769ceea0ae14c5f7

SHA256
23994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b

SHA512
be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c

Download Submit
memory/1496-19-0x0000000000000000-mapping.dmp

Download
memory/3612-9-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3612-18-0x0000000005C90000-0x0000000005C91000-memory.dmp

Filesize
4KB

Download
memory/3612-17-0x00000000050E0000-0x00000000050E1000-memory.dmp

Filesize
4KB

Download
memory/3612-12-0x0000000073920000-0x000000007400E000-memory.dmp

Filesize
6.9MB

Download
memory/3612-10-0x000000000044AE5E-mapping.dmp

Download
memory/3976-4-0x0000000007490000-0x0000000007491000-memory.dmp

Filesize
4KB

Download
memory/3976-8-0x000000000AC50000-0x000000000AC51000-memory.dmp

Filesize
4KB

Download
memory/3976-7-0x000000000ACF0000-0x000000000AD41000-memory.dmp

Filesize
324KB

Download
memory/3976-6-0x0000000004A20000-0x0000000004A23000-memory.dmp

Filesize
12KB

Download
memory/3976-5-0x0000000007480000-0x0000000007481000-memory.dmp

Filesize
4KB

Download
memory/3976-0-0x0000000073920000-0x000000007400E000-memory.dmp

Filesize
6.9MB

Download
memory/3976-3-0x00000000078F0000-0x00000000078F1000-memory.dmp

Filesize
4KB

Download
memory/3976-1-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads