agenttesla | 3363075fd1a09ada8858a47b099c702028f26705c5967633ee92f341817db3b3

General

Target

CETC-Request.exe
Size

704KB
MD5

effed7e2c9577b71101867f764e647c4
SHA1

136751dc76b63296ca977a044bf71f85ef860d06
SHA256

3363075fd1a09ada8858a47b099c702028f26705c5967633ee92f341817db3b3
SHA512

6411bc672650af696c15fd4bdf36577c9a9ce4fa1ba0465c9f01ca97965545e22c4a87545162d2dd6ca23ed9264fc4f6e53175da744fe617049701be8d1b7179

Score

10^/10

agenttesla keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
dmkozlovd@yandex.ru
Password:
Starboy@22

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
dmkozlovd@yandex.ru
Password:
Starboy@22

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3912-15-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral2/memory/3912-16-0x000000000044A6CE-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/4684-12-0x0000000007A10000-0x0000000007A62000-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:

CETC-Request.exe

description pid process target process

PID 4684 set thread context of 3912 4684 CETC-Request.exe CETC-Request.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

784 schtasks.exe

description	pid	process	target process
PID 4684 set thread context of 3912	4684	CETC-Request.exe	CETC-Request.exe

pid	process
784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

CETC-Request.exeCETC-Request.exe

pid	process
4684	CETC-Request.exe
4684	CETC-Request.exe
4684	CETC-Request.exe
4684	CETC-Request.exe
4684	CETC-Request.exe
3912	CETC-Request.exe
3912	CETC-Request.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

CETC-Request.exeCETC-Request.exe

description pid process

Token: SeDebugPrivilege 4684 CETC-Request.exe
Token: SeDebugPrivilege 3912 CETC-Request.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

CETC-Request.exe

pid process

3912 CETC-Request.exe

description	pid	process
Token: SeDebugPrivilege	4684	CETC-Request.exe
Token: SeDebugPrivilege	3912	CETC-Request.exe

pid	process
3912	CETC-Request.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

CETC-Request.exe

description	pid	process	target process
PID 4684 wrote to memory of 784	4684	CETC-Request.exe	schtasks.exe
PID 4684 wrote to memory of 784	4684	CETC-Request.exe	schtasks.exe
PID 4684 wrote to memory of 784	4684	CETC-Request.exe	schtasks.exe
PID 4684 wrote to memory of 3896	4684	CETC-Request.exe	CETC-Request.exe
PID 4684 wrote to memory of 3896	4684	CETC-Request.exe	CETC-Request.exe
PID 4684 wrote to memory of 3896	4684	CETC-Request.exe	CETC-Request.exe
PID 4684 wrote to memory of 3912	4684	CETC-Request.exe	CETC-Request.exe
PID 4684 wrote to memory of 3912	4684	CETC-Request.exe	CETC-Request.exe
PID 4684 wrote to memory of 3912	4684	CETC-Request.exe	CETC-Request.exe
PID 4684 wrote to memory of 3912	4684	CETC-Request.exe	CETC-Request.exe
PID 4684 wrote to memory of 3912	4684	CETC-Request.exe	CETC-Request.exe
PID 4684 wrote to memory of 3912	4684	CETC-Request.exe	CETC-Request.exe
PID 4684 wrote to memory of 3912	4684	CETC-Request.exe	CETC-Request.exe
PID 4684 wrote to memory of 3912	4684	CETC-Request.exe	CETC-Request.exe

C:\Users\Admin\AppData\Local\Temp\CETC-Request.exe
"C:\Users\Admin\AppData\Local\Temp\CETC-Request.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4684

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FpCHLvb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5B74.tmp"
2⤵
- Creates scheduled task(s)
PID:784

C:\Users\Admin\AppData\Local\Temp\CETC-Request.exe
"{path}"
2⤵
PID:3896

C:\Users\Admin\AppData\Local\Temp\CETC-Request.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3912

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

SHA1
69f3596ffa027202d391444b769ceea0ae14c5f7

SHA256
23994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b

SHA512
be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5B74.tmp
MD5
0ddacf767005d07916a9c4f5c7a0169c

SHA1
81e86ae4a7b217b1997f5beba3c7d8dcda92a3b5

SHA256
dcd50a1314ccb70e0610b1adb3d7eefa02c5932a7274d5b2b149473579bb3c89

SHA512
00fd62f8d18b5ec7b12a85a95531aa64f5e6407c18bfb8c436a3683fd3b9697f325c90572bc3a4841c6b705e8312d909b6f102dcecac4e390ad1d05e381054fb

Download Submit
memory/784-13-0x0000000000000000-mapping.dmp

Download
memory/3912-24-0x0000000005F40000-0x0000000005F41000-memory.dmp

Filesize
4KB

Download
memory/3912-23-0x0000000005990000-0x0000000005991000-memory.dmp

Filesize
4KB

Download
memory/3912-18-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/3912-16-0x000000000044A6CE-mapping.dmp

Download
memory/3912-15-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4684-5-0x0000000005770000-0x0000000005771000-memory.dmp

Filesize
4KB

Download
memory/4684-12-0x0000000007A10000-0x0000000007A62000-memory.dmp

Filesize
328KB

Download
memory/4684-11-0x00000000078F0000-0x00000000078F1000-memory.dmp

Filesize
4KB

Download
memory/4684-10-0x0000000005A70000-0x0000000005A73000-memory.dmp

Filesize
12KB

Download
memory/4684-9-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/4684-0-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/4684-4-0x0000000005AD0000-0x0000000005AD1000-memory.dmp

Filesize
4KB

Download
memory/4684-3-0x00000000052D0000-0x0000000005329000-memory.dmp

Filesize
356KB

Download
memory/4684-1-0x0000000000960000-0x0000000000961000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads