agenttesla | 3e0a789cc12973067922e99e9c1553170ec89449e93a7e9d61966959d7892abb

General

Target

NEWORDER.exe
Size

408KB
MD5

b0506b5cb266ea0b26a3a96734b74a98
SHA1

64cae8138f8192c0a6a54ce7ef7044a5edce6dc7
SHA256

3e0a789cc12973067922e99e9c1553170ec89449e93a7e9d61966959d7892abb
SHA512

431c555910ec52d2ce5a8033ac1a19f08e23bba3117cc3c9ef72b57cafd9b6f910cf144c31170c5305793aa6ca9a880b72658dee1bb665ea73d9f715dc1c6245

Score

10^/10

agenttesla keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.cleanprolaundryparts.com/
Port:
21
Username:
abs001@cleanprolaundryparts.com
Password:
.ID5OT57T}BQ

Protocol: ftp
Host:
ftp://ftp.cleanprolaundryparts.com/
Port:
21
Username:
abs001@cleanprolaundryparts.com
Password:
.ID5OT57T}BQ

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1436-8-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/1436-9-0x000000000044946E-mapping.dmp	family_agenttesla
behavioral1/memory/1436-10-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/1436-11-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla

rezer0 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral1/memory/740-5-0x0000000005090000-0x00000000050E0000-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:

NEWORDER.exe

description pid process target process

PID 740 set thread context of 1436 740 NEWORDER.exe NEWORDER.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

1492 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

NEWORDER.exe

pid process

1436 NEWORDER.exe
1436 NEWORDER.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

NEWORDER.exe

description pid process

Token: SeDebugPrivilege 1436 NEWORDER.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

NEWORDER.exe

pid process

1436 NEWORDER.exe

description	pid	process	target process
PID 740 set thread context of 1436	740	NEWORDER.exe	NEWORDER.exe

pid	process
1492	schtasks.exe

pid	process
1436	NEWORDER.exe
1436	NEWORDER.exe

description	pid	process
Token: SeDebugPrivilege	1436	NEWORDER.exe

pid	process
1436	NEWORDER.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

NEWORDER.exe

description	pid	process	target process
PID 740 wrote to memory of 1492	740	NEWORDER.exe	schtasks.exe
PID 740 wrote to memory of 1492	740	NEWORDER.exe	schtasks.exe
PID 740 wrote to memory of 1492	740	NEWORDER.exe	schtasks.exe
PID 740 wrote to memory of 1492	740	NEWORDER.exe	schtasks.exe
PID 740 wrote to memory of 1436	740	NEWORDER.exe	NEWORDER.exe
PID 740 wrote to memory of 1436	740	NEWORDER.exe	NEWORDER.exe
PID 740 wrote to memory of 1436	740	NEWORDER.exe	NEWORDER.exe
PID 740 wrote to memory of 1436	740	NEWORDER.exe	NEWORDER.exe
PID 740 wrote to memory of 1436	740	NEWORDER.exe	NEWORDER.exe
PID 740 wrote to memory of 1436	740	NEWORDER.exe	NEWORDER.exe
PID 740 wrote to memory of 1436	740	NEWORDER.exe	NEWORDER.exe
PID 740 wrote to memory of 1436	740	NEWORDER.exe	NEWORDER.exe
PID 740 wrote to memory of 1436	740	NEWORDER.exe	NEWORDER.exe

C:\Users\Admin\AppData\Local\Temp\NEWORDER.exe
"C:\Users\Admin\AppData\Local\Temp\NEWORDER.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:740

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RZQyCFUpSkhA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp538C.tmp"
2⤵
- Creates scheduled task(s)
PID:1492

C:\Users\Admin\AppData\Local\Temp\NEWORDER.exe
"C:\Users\Admin\AppData\Local\Temp\NEWORDER.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1436

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp538C.tmp
MD5
851c1d1c7255d12ce87d956b0ec8c0d4

SHA1
9e8bf8ec9935db08d82a57dbf9c5bf3e3635e197

SHA256
bc0f9040c92050a57783f2c44b66b905edd1a37032b2c2db21cb9d31ffd08176

SHA512
c1c403aa05de82d153b63ffcf35e645f849d24b3e4c15a1496762426c144b8bee640190800e2d98f7fce4d7267ecf8dcd73e9c4b334f55954f65081016eb89d0

Download Submit
memory/740-0-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/740-1-0x0000000000810000-0x0000000000811000-memory.dmp

Filesize
4KB

Download
memory/740-3-0x0000000000430000-0x0000000000433000-memory.dmp

Filesize
12KB

Download
memory/740-4-0x0000000004B60000-0x0000000004BC7000-memory.dmp

Filesize
412KB

Download
memory/740-5-0x0000000005090000-0x00000000050E0000-memory.dmp

Filesize
320KB

Download
memory/1436-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1436-9-0x000000000044946E-mapping.dmp

Download
memory/1436-10-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1436-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1436-12-0x0000000074310000-0x00000000749FE000-memory.dmp

Filesize
6.9MB

Download
memory/1492-6-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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