agenttesla | cd301ca1c374c26aca9bf5381a3b491ae384f06868617c6c16b563213854d159

General

Target

PO000170.exe
Size

509KB
MD5

080cfd17bd94ff40a8813cd7c8d03b67
SHA1

4a100e472fce2d52d58d153cd0ac4a82c6b79e7b
SHA256

cd301ca1c374c26aca9bf5381a3b491ae384f06868617c6c16b563213854d159
SHA512

7a7635ed2c14644a813c1d2a60cad09bb6d4c728cc2d3bdfd75f9e13ce4b8b044482b4eb20f942bc95144c48ae286ae5295003563bdb17296a8f3e9b16c0d3c0

Score

10^/10

agenttesla coreentity evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tolipgoldenplaza.com
Port:
587
Username:
dir.fb@tolipgoldenplaza.com
Password:
Golden@#$2019

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/784-4-0x00000000004C0000-0x00000000004C3000-memory.dmp	coreentity

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1380-6-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1380-7-0x000000000044CB2E-mapping.dmp	family_agenttesla
behavioral1/memory/1380-8-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1380-9-0x0000000000400000-0x0000000000452000-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/784-5-0x0000000008220000-0x0000000008273000-memory.dmp	rezer0

Disables Task Manager via registry modification
evasion
Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO000170.exe

description pid process target process

PID 784 set thread context of 1380 784 PO000170.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1476 REG.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1380 RegSvcs.exe
1380 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO000170.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 784 PO000170.exe
Token: SeDebugPrivilege 1380 RegSvcs.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

PO000170.exe

pid process

784 PO000170.exe
784 PO000170.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

description	pid	process	target process
PID 784 set thread context of 1380	784	PO000170.exe	RegSvcs.exe

pid	process
1476	REG.exe

pid	process
1380	RegSvcs.exe
1380	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	784	PO000170.exe
Token: SeDebugPrivilege	1380	RegSvcs.exe

pid	process
784	PO000170.exe
784	PO000170.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

PO000170.exeRegSvcs.exe

description	pid	process	target process
PID 784 wrote to memory of 1380	784	PO000170.exe	RegSvcs.exe
PID 784 wrote to memory of 1380	784	PO000170.exe	RegSvcs.exe
PID 784 wrote to memory of 1380	784	PO000170.exe	RegSvcs.exe
PID 784 wrote to memory of 1380	784	PO000170.exe	RegSvcs.exe
PID 784 wrote to memory of 1380	784	PO000170.exe	RegSvcs.exe
PID 784 wrote to memory of 1380	784	PO000170.exe	RegSvcs.exe
PID 784 wrote to memory of 1380	784	PO000170.exe	RegSvcs.exe
PID 784 wrote to memory of 1380	784	PO000170.exe	RegSvcs.exe
PID 784 wrote to memory of 1380	784	PO000170.exe	RegSvcs.exe
PID 784 wrote to memory of 1380	784	PO000170.exe	RegSvcs.exe
PID 784 wrote to memory of 1380	784	PO000170.exe	RegSvcs.exe
PID 784 wrote to memory of 1380	784	PO000170.exe	RegSvcs.exe
PID 1380 wrote to memory of 1476	1380	RegSvcs.exe	REG.exe
PID 1380 wrote to memory of 1476	1380	RegSvcs.exe	REG.exe
PID 1380 wrote to memory of 1476	1380	RegSvcs.exe	REG.exe
PID 1380 wrote to memory of 1476	1380	RegSvcs.exe	REG.exe
PID 1380 wrote to memory of 1696	1380	RegSvcs.exe	netsh.exe
PID 1380 wrote to memory of 1696	1380	RegSvcs.exe	netsh.exe
PID 1380 wrote to memory of 1696	1380	RegSvcs.exe	netsh.exe
PID 1380 wrote to memory of 1696	1380	RegSvcs.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\PO000170.exe
"C:\Users\Admin\AppData\Local\Temp\PO000170.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1380

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
3⤵
- Modifies registry key
PID:1476

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1696

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/784-0-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/784-1-0x0000000001290000-0x0000000001291000-memory.dmp

Filesize
4KB

Download
memory/784-4-0x00000000004C0000-0x00000000004C3000-memory.dmp

Filesize
12KB

Download
memory/784-5-0x0000000008220000-0x0000000008273000-memory.dmp

Filesize
332KB

Download
memory/1380-6-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1380-7-0x000000000044CB2E-mapping.dmp

Download
memory/1380-8-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1380-9-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1380-10-0x0000000073B70000-0x000000007425E000-memory.dmp

Filesize
6.9MB

Download
memory/1476-13-0x0000000000000000-mapping.dmp

Download
memory/1696-14-0x0000000000000000-mapping.dmp

Download
memory/1760-3-0x000007FEF6B80000-0x000007FEF6DFA000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads