agenttesla | c6ac9cfcd382c5db7107667e3d9c9f2c2271833c159dd474d29222fa0f0fa73f

General

Target

iHUVFOQGB2PVfdq.exe
Size

573KB
MD5

4d8d7d2ab774df479f925333f8a4ae92
SHA1

c981adf81fe5609ff238511a70999236458dc54a
SHA256

c6ac9cfcd382c5db7107667e3d9c9f2c2271833c159dd474d29222fa0f0fa73f
SHA512

bace05eb0d1a042c432496de0319a4a22a3793b927a550570eb9d7e67d0fae37c51a88bc02b743b637e7ba28ea12b0a1d030dc731fe82835eab018fbc065a226

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
behavioral1/memory/748-11-0x0000000000250000-0x0000000000252000-memory.dmp	coreentity

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1344-13-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1344-14-0x0000000000447DDE-mapping.dmp	family_agenttesla
behavioral1/memory/1344-15-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1344-18-0x0000000000400000-0x000000000044C000-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/748-12-0x0000000000B20000-0x0000000000B6E000-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:

iHUVFOQGB2PVfdq.exe

description pid process target process

PID 748 set thread context of 1344 748 iHUVFOQGB2PVfdq.exe iHUVFOQGB2PVfdq.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

iHUVFOQGB2PVfdq.exe

pid process

1344 iHUVFOQGB2PVfdq.exe
1344 iHUVFOQGB2PVfdq.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

iHUVFOQGB2PVfdq.exeiHUVFOQGB2PVfdq.exe

description pid process

Token: SeDebugPrivilege 748 iHUVFOQGB2PVfdq.exe
Token: SeDebugPrivilege 1344 iHUVFOQGB2PVfdq.exe

description	pid	process	target process
PID 748 set thread context of 1344	748	iHUVFOQGB2PVfdq.exe	iHUVFOQGB2PVfdq.exe

pid	process
1344	iHUVFOQGB2PVfdq.exe
1344	iHUVFOQGB2PVfdq.exe

description	pid	process
Token: SeDebugPrivilege	748	iHUVFOQGB2PVfdq.exe
Token: SeDebugPrivilege	1344	iHUVFOQGB2PVfdq.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

iHUVFOQGB2PVfdq.exe

description	pid	process	target process
PID 748 wrote to memory of 1344	748	iHUVFOQGB2PVfdq.exe	iHUVFOQGB2PVfdq.exe
PID 748 wrote to memory of 1344	748	iHUVFOQGB2PVfdq.exe	iHUVFOQGB2PVfdq.exe
PID 748 wrote to memory of 1344	748	iHUVFOQGB2PVfdq.exe	iHUVFOQGB2PVfdq.exe
PID 748 wrote to memory of 1344	748	iHUVFOQGB2PVfdq.exe	iHUVFOQGB2PVfdq.exe
PID 748 wrote to memory of 1344	748	iHUVFOQGB2PVfdq.exe	iHUVFOQGB2PVfdq.exe
PID 748 wrote to memory of 1344	748	iHUVFOQGB2PVfdq.exe	iHUVFOQGB2PVfdq.exe
PID 748 wrote to memory of 1344	748	iHUVFOQGB2PVfdq.exe	iHUVFOQGB2PVfdq.exe
PID 748 wrote to memory of 1344	748	iHUVFOQGB2PVfdq.exe	iHUVFOQGB2PVfdq.exe
PID 748 wrote to memory of 1344	748	iHUVFOQGB2PVfdq.exe	iHUVFOQGB2PVfdq.exe

C:\Users\Admin\AppData\Local\Temp\iHUVFOQGB2PVfdq.exe
"C:\Users\Admin\AppData\Local\Temp\iHUVFOQGB2PVfdq.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748

C:\Users\Admin\AppData\Local\Temp\iHUVFOQGB2PVfdq.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1344

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

memory/748-0-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/748-1-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/748-3-0x0000000000590000-0x00000000005E9000-memory.dmp

Filesize
356KB

Download
memory/748-4-0x0000000000230000-0x0000000000241000-memory.dmp

Filesize
68KB

Download
memory/748-11-0x0000000000250000-0x0000000000252000-memory.dmp

Filesize
8KB

Download
memory/748-12-0x0000000000B20000-0x0000000000B6E000-memory.dmp

Filesize
312KB

Download
memory/748-16-0x00000000002B0000-0x00000000002E0000-memory.dmp

Filesize
192KB

Download
memory/1344-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1344-14-0x0000000000447DDE-mapping.dmp

Download
memory/1344-15-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1344-18-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1344-20-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads