agenttesla | f1025b89665ace7e32564ca897a4adb46c081b859320717599d46d58d63b0ee4

General

Target

lista de facturas.exe
Size

700KB
MD5

1a80681b652922e86f9db47a182710b0
SHA1

dc3646f348ec52b789e86ab665032478b4fc846b
SHA256

f1025b89665ace7e32564ca897a4adb46c081b859320717599d46d58d63b0ee4
SHA512

8b6ea789aa21821fc280b33323f4de697649e43c68a993ce7e210c6e4dff70d116ce599bc21d38de188e897e8ee886b761273a3f6fdec2fb8cc77e0400067177

Score

10^/10

agenttesla coreentity keylogger rezer0 spyware stealer trojan

Malware Config

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/4756-8-0x0000000005170000-0x0000000005172000-memory.dmp	coreentity

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4228-13-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral2/memory/4228-14-0x000000000045523E-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/4756-9-0x0000000006080000-0x00000000060DB000-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:

lista de facturas.exe

description pid process target process

PID 4756 set thread context of 4228 4756 lista de facturas.exe lista de facturas.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

3892 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

lista de facturas.exe

pid process

4228 lista de facturas.exe
4228 lista de facturas.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

lista de facturas.exelista de facturas.exe

description pid process

Token: SeDebugPrivilege 4756 lista de facturas.exe
Token: SeDebugPrivilege 4228 lista de facturas.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

lista de facturas.exe

pid process

4228 lista de facturas.exe

description	pid	process	target process
PID 4756 set thread context of 4228	4756	lista de facturas.exe	lista de facturas.exe

pid	process
3892	schtasks.exe

pid	process
4228	lista de facturas.exe
4228	lista de facturas.exe

description	pid	process
Token: SeDebugPrivilege	4756	lista de facturas.exe
Token: SeDebugPrivilege	4228	lista de facturas.exe

pid	process
4228	lista de facturas.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

lista de facturas.exe

description	pid	process	target process
PID 4756 wrote to memory of 3892	4756	lista de facturas.exe	schtasks.exe
PID 4756 wrote to memory of 3892	4756	lista de facturas.exe	schtasks.exe
PID 4756 wrote to memory of 3892	4756	lista de facturas.exe	schtasks.exe
PID 4756 wrote to memory of 4228	4756	lista de facturas.exe	lista de facturas.exe
PID 4756 wrote to memory of 4228	4756	lista de facturas.exe	lista de facturas.exe
PID 4756 wrote to memory of 4228	4756	lista de facturas.exe	lista de facturas.exe
PID 4756 wrote to memory of 4228	4756	lista de facturas.exe	lista de facturas.exe
PID 4756 wrote to memory of 4228	4756	lista de facturas.exe	lista de facturas.exe
PID 4756 wrote to memory of 4228	4756	lista de facturas.exe	lista de facturas.exe
PID 4756 wrote to memory of 4228	4756	lista de facturas.exe	lista de facturas.exe
PID 4756 wrote to memory of 4228	4756	lista de facturas.exe	lista de facturas.exe

C:\Users\Admin\AppData\Local\Temp\lista de facturas.exe
"C:\Users\Admin\AppData\Local\Temp\lista de facturas.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4756

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yjgKqpWwx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp713E.tmp"
2⤵
- Creates scheduled task(s)
PID:3892

C:\Users\Admin\AppData\Local\Temp\lista de facturas.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4228

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\Microsoft\CLR_v4.0_32\UsageLogs\lista de facturas.exe.log
MD5
b4f7a6a57cb46d94b72410eb6a6d45a9

SHA1
69f3596ffa027202d391444b769ceea0ae14c5f7

SHA256
23994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b

SHA512
be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp713E.tmp
MD5
0cce573ee11b580a7797f641951286c8

SHA1
bf0b9db4223f3c8be5bdfaab23640bb13b60ce8c

SHA256
16ce521c2b7c36018040d5d48fe3163da1393cc38b14e1fb0be51365768dbc70

SHA512
591ae3beb32e2cd1037442fdf3b31fa8ba9616dc4dede6954aee1abe38b98a4fb4fffd58d7ae6c81cf4a1fd04b47096e56b15764ee92e7b0be1439cc673693b7

Download Submit
memory/3892-11-0x0000000000000000-mapping.dmp

Download
memory/4228-25-0x00000000067E0000-0x00000000067E1000-memory.dmp

Filesize
4KB

Download
memory/4228-24-0x0000000005810000-0x0000000005815000-memory.dmp

Filesize
20KB

Download
memory/4228-23-0x0000000005830000-0x0000000005831000-memory.dmp

Filesize
4KB

Download
memory/4228-22-0x00000000050F0000-0x00000000050F1000-memory.dmp

Filesize
4KB

Download
memory/4228-16-0x0000000073150000-0x000000007383E000-memory.dmp

Filesize
6.9MB

Download
memory/4228-14-0x000000000045523E-mapping.dmp

Download
memory/4228-13-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4756-5-0x00000000051C0000-0x00000000051C1000-memory.dmp

Filesize
4KB

Download
memory/4756-10-0x0000000009700000-0x0000000009701000-memory.dmp

Filesize
4KB

Download
memory/4756-9-0x0000000006080000-0x00000000060DB000-memory.dmp

Filesize
364KB

Download
memory/4756-8-0x0000000005170000-0x0000000005172000-memory.dmp

Filesize
8KB

Download
memory/4756-7-0x0000000002A40000-0x0000000002A41000-memory.dmp

Filesize
4KB

Download
memory/4756-0-0x0000000073150000-0x000000007383E000-memory.dmp

Filesize
6.9MB

Download
memory/4756-4-0x0000000009A20000-0x0000000009A21000-memory.dmp

Filesize
4KB

Download
memory/4756-3-0x00000000074A0000-0x000000000751D000-memory.dmp

Filesize
500KB

Download
memory/4756-1-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads