agenttesla | 26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394

General

Target

26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe
Size

397KB
MD5

30d8b124d51fdb2e5eaeffa3f3866a8a
SHA1

e96071bf6f27a3ceab8faca62efeb22cea272ad6
SHA256

26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394
SHA512

7aaf30ba99a40ac2f1df477798f5487fc2e7fd27cce7ed637cf83d16ce645a14e43f0218a70757e267de0c959fae8bbdd4b281bf70c988ba38c392a6ce6138b2

Score

10^/10

agenttesla coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rbt.co.th
Port:
587
Username:
sale@rbt.co.th
Password:
EV8fUWLv

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/4648-7-0x00000000056D0000-0x00000000056D2000-memory.dmp	coreentity

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3084-11-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral2/memory/3084-12-0x000000000044B29E-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/4648-8-0x0000000008970000-0x00000000089C1000-memory.dmp	rezer0

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:

26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe

description	pid	process	target process
PID 4648 set thread context of 3084	4648	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.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

3724 schtasks.exe

pid	process
3724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe

pid	process
3084	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe
3084	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe

description pid process

Token: SeDebugPrivilege 3084 26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe

description	pid	process
Token: SeDebugPrivilege	3084	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe

description	pid	process	target process
PID 4648 wrote to memory of 3724	4648	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe	schtasks.exe
PID 4648 wrote to memory of 3724	4648	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe	schtasks.exe
PID 4648 wrote to memory of 3724	4648	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe	schtasks.exe
PID 4648 wrote to memory of 3084	4648	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe
PID 4648 wrote to memory of 3084	4648	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe
PID 4648 wrote to memory of 3084	4648	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe
PID 4648 wrote to memory of 3084	4648	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe
PID 4648 wrote to memory of 3084	4648	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe
PID 4648 wrote to memory of 3084	4648	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe
PID 4648 wrote to memory of 3084	4648	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe
PID 4648 wrote to memory of 3084	4648	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe	26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe

C:\Users\Admin\AppData\Local\Temp\26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe
"C:\Users\Admin\AppData\Local\Temp\26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4648

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\epuVYVfu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D8B.tmp"
2⤵
- Creates scheduled task(s)
PID:3724

C:\Users\Admin\AppData\Local\Temp\26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3084

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

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\26c5098fbb4be4871383a901013288d16a6a2aad7d0952c28fd888e080aea394.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3D8B.tmp
MD5
5293159164a61f2674e2f90c5f732559

SHA1
6d14ea7545c9c3e67d88d59d193081abebd2a48c

SHA256
b12ac2915c3147fd9e024b61e33549ec6b3605e64a21432657ee64c598c96672

SHA512
b1cc7edf89e30d6dc711f7d0a4dfe4e632a741d2cb75a8df7629a52897f7fd3b8eb6cbefb9d1a4c21d362cb605ca27ca4c604302f056f44631f71eefbc19d95b

Download Submit
memory/3084-20-0x0000000006530000-0x0000000006531000-memory.dmp

Filesize
4KB

Download
memory/3084-19-0x0000000005A20000-0x0000000005A21000-memory.dmp

Filesize
4KB

Download
memory/3084-14-0x0000000073E30000-0x000000007451E000-memory.dmp

Filesize
6.9MB

Download
memory/3084-12-0x000000000044B29E-mapping.dmp

Download
memory/3084-11-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3724-9-0x0000000000000000-mapping.dmp

Download
memory/4648-0-0x0000000073E30000-0x000000007451E000-memory.dmp

Filesize
6.9MB

Download
memory/4648-8-0x0000000008970000-0x00000000089C1000-memory.dmp

Filesize
324KB

Download
memory/4648-7-0x00000000056D0000-0x00000000056D2000-memory.dmp

Filesize
8KB

Download
memory/4648-6-0x00000000086D0000-0x00000000086D1000-memory.dmp

Filesize
4KB

Download
memory/4648-5-0x0000000005440000-0x0000000005441000-memory.dmp

Filesize
4KB

Download
memory/4648-4-0x00000000051B0000-0x00000000051B1000-memory.dmp

Filesize
4KB

Download
memory/4648-3-0x0000000005760000-0x0000000005761000-memory.dmp

Filesize
4KB

Download
memory/4648-1-0x00000000008D0000-0x00000000008D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads