agenttesla | 8bacca094f83e0486702d5c22a551a5a52ee7dab8ed6daad0b2881c57a1127ce

General

Target

Shipment Details.exe
Size

493KB
MD5

ade7e98755e204c575754c578d9806b8
SHA1

5c833bf110f91e5ec7f541a2af60a7faf46fe0c8
SHA256

8bacca094f83e0486702d5c22a551a5a52ee7dab8ed6daad0b2881c57a1127ce
SHA512

f667354b0158c2f31c8c6253b4abdf77e214cac1f9bba083b5728dc980ea671630c47e370506a5df17588357074b966ec9ab4fc2314f8ee95fcb9291ec65dae2

Score

10^/10

agenttesla coreentity evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.hotel71.com.bd
Port:
587
Username:
[email protected]
Password:
9+^va&phP1v9

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/4804-7-0x0000000002D60000-0x0000000002D63000-memory.dmp	coreentity

AgentTesla Payload 17 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3112-10-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral2/memory/3112-11-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-22-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-23-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-24-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-25-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-26-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-27-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-28-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-29-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-30-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-32-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-31-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-33-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-34-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-35-0x000000000044AC5E-mapping.dmp	family_agenttesla
behavioral2/memory/3112-36-0x000000000044AC5E-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/4804-8-0x000000000A150000-0x000000000A1A1000-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:

Shipment Details.exe

description pid process target process

PID 4804 set thread context of 3112 4804 Shipment Details.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2592 3112 WerFault.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1344 REG.exe

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

description	pid	process	target process
PID 4804 set thread context of 3112	4804	Shipment Details.exe	RegSvcs.exe

pid	pid_target	process	target process
2592	3112	WerFault.exe	RegSvcs.exe

pid	process
1344	REG.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

Shipment Details.exeRegSvcs.exeWerFault.exe

pid	process
4804	Shipment Details.exe
4804	Shipment Details.exe
4804	Shipment Details.exe
4804	Shipment Details.exe
4804	Shipment Details.exe
4804	Shipment Details.exe
4804	Shipment Details.exe
4804	Shipment Details.exe
4804	Shipment Details.exe
4804	Shipment Details.exe
4804	Shipment Details.exe
3112	RegSvcs.exe
3112	RegSvcs.exe
2592	WerFault.exe
2592	WerFault.exe
2592	WerFault.exe
2592	WerFault.exe
2592	WerFault.exe
2592	WerFault.exe
2592	WerFault.exe
2592	WerFault.exe
2592	WerFault.exe
2592	WerFault.exe
2592	WerFault.exe
2592	WerFault.exe
2592	WerFault.exe
2592	WerFault.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

Shipment Details.exeRegSvcs.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	4804	Shipment Details.exe
Token: SeDebugPrivilege	3112	RegSvcs.exe
Token: SeRestorePrivilege	2592	WerFault.exe
Token: SeBackupPrivilege	2592	WerFault.exe
Token: SeDebugPrivilege	2592	WerFault.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

Shipment Details.exeRegSvcs.exe

description	pid	process	target process
PID 4804 wrote to memory of 4396	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 4396	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 4396	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 4420	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 4420	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 4420	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 4412	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 4412	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 4412	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 3376	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 3376	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 3376	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 3112	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 3112	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 3112	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 3112	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 3112	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 3112	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 3112	4804	Shipment Details.exe	RegSvcs.exe
PID 4804 wrote to memory of 3112	4804	Shipment Details.exe	RegSvcs.exe
PID 3112 wrote to memory of 1344	3112	RegSvcs.exe	REG.exe
PID 3112 wrote to memory of 1344	3112	RegSvcs.exe	REG.exe
PID 3112 wrote to memory of 1344	3112	RegSvcs.exe	REG.exe
PID 3112 wrote to memory of 2068	3112	RegSvcs.exe	netsh.exe
PID 3112 wrote to memory of 2068	3112	RegSvcs.exe	netsh.exe
PID 3112 wrote to memory of 2068	3112	RegSvcs.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Shipment Details.exe
"C:\Users\Admin\AppData\Local\Temp\Shipment Details.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4804

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:4396

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:4420

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:4412

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:3376

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:3112

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:1344

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:2068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3112 -s 1548
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2592

Network

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/1344-19-0x0000000000000000-mapping.dmp

Download
memory/2068-20-0x0000000000000000-mapping.dmp

Download
memory/2592-38-0x0000000005270000-0x0000000005271000-memory.dmp

Filesize
4KB

Download
memory/2592-37-0x0000000004E70000-0x0000000004E71000-memory.dmp

Filesize
4KB

Download
memory/2592-21-0x00000000045C0000-0x00000000045C1000-memory.dmp

Filesize
4KB

Download
memory/3112-29-0x000000000044AC5E-mapping.dmp

Download
memory/3112-25-0x000000000044AC5E-mapping.dmp

Download
memory/3112-36-0x000000000044AC5E-mapping.dmp

Download
memory/3112-35-0x000000000044AC5E-mapping.dmp

Download
memory/3112-10-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3112-11-0x000000000044AC5E-mapping.dmp

Download
memory/3112-12-0x00000000739D0000-0x00000000740BE000-memory.dmp

Filesize
6.9MB

Download
memory/3112-17-0x0000000005500000-0x0000000005501000-memory.dmp

Filesize
4KB

Download
memory/3112-18-0x0000000006010000-0x0000000006011000-memory.dmp

Filesize
4KB

Download
memory/3112-34-0x000000000044AC5E-mapping.dmp

Download
memory/3112-33-0x000000000044AC5E-mapping.dmp

Download
memory/3112-31-0x000000000044AC5E-mapping.dmp

Download
memory/3112-22-0x000000000044AC5E-mapping.dmp

Download
memory/3112-23-0x000000000044AC5E-mapping.dmp

Download
memory/3112-24-0x000000000044AC5E-mapping.dmp

Download
memory/3112-32-0x000000000044AC5E-mapping.dmp

Download
memory/3112-26-0x000000000044AC5E-mapping.dmp

Download
memory/3112-27-0x000000000044AC5E-mapping.dmp

Download
memory/3112-28-0x000000000044AC5E-mapping.dmp

Download
memory/3112-30-0x000000000044AC5E-mapping.dmp

Download
memory/4804-0-0x00000000739D0000-0x00000000740BE000-memory.dmp

Filesize
6.9MB

Download
memory/4804-7-0x0000000002D60000-0x0000000002D63000-memory.dmp

Filesize
12KB

Download
memory/4804-4-0x0000000008170000-0x0000000008171000-memory.dmp

Filesize
4KB

Download
memory/4804-5-0x0000000007D50000-0x0000000007D51000-memory.dmp

Filesize
4KB

Download
memory/4804-6-0x0000000007CE0000-0x0000000007CE1000-memory.dmp

Filesize
4KB

Download
memory/4804-9-0x000000000A250000-0x000000000A251000-memory.dmp

Filesize
4KB

Download
memory/4804-8-0x000000000A150000-0x000000000A1A1000-memory.dmp

Filesize
324KB

Download
memory/4804-3-0x00000000054D0000-0x000000000552A000-memory.dmp

Filesize
360KB

Download
memory/4804-1-0x0000000000A60000-0x0000000000A61000-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