agenttesla | e6eb2ae2e4e6d4ee40266c80f99169f284c67a901c7fff826d4156663910180d

General

Target

SOA.exe
Size

524KB
MD5

5c35980b02c0b8d7215bed3cce049a0c
SHA1

91c0cf0dc6099389d3c9994b9090796b6b1837b2
SHA256

e6eb2ae2e4e6d4ee40266c80f99169f284c67a901c7fff826d4156663910180d
SHA512

61d12686a47afbd27754f06b245b091e38ee4cd5fc44f1842ce575268b735e06eccfbc107a956df25219836cd5fdff883fbca82c8ee952abdaacef99574d3154

Score

10^/10

agenttesla coreentity evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dianaglobalmandiri.com
Port:
587
Username:
info@dianaglobalmandiri.com
Password:
Batam2019

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/688-6-0x0000000004650000-0x0000000004653000-memory.dmp	coreentity

AgentTesla Payload 14 IoCs

Processes:

resource	yara_rule
behavioral2/memory/204-9-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral2/memory/204-10-0x000000000044CDFE-mapping.dmp	family_agenttesla
behavioral2/memory/204-22-0x000000000044CDFE-mapping.dmp	family_agenttesla
behavioral2/memory/204-21-0x000000000044CDFE-mapping.dmp	family_agenttesla
behavioral2/memory/204-23-0x000000000044CDFE-mapping.dmp	family_agenttesla
behavioral2/memory/204-24-0x000000000044CDFE-mapping.dmp	family_agenttesla
behavioral2/memory/204-25-0x000000000044CDFE-mapping.dmp	family_agenttesla
behavioral2/memory/204-26-0x000000000044CDFE-mapping.dmp	family_agenttesla
behavioral2/memory/204-27-0x000000000044CDFE-mapping.dmp	family_agenttesla
behavioral2/memory/204-30-0x000000000044CDFE-mapping.dmp	family_agenttesla
behavioral2/memory/204-29-0x000000000044CDFE-mapping.dmp	family_agenttesla
behavioral2/memory/204-31-0x000000000044CDFE-mapping.dmp	family_agenttesla
behavioral2/memory/204-32-0x000000000044CDFE-mapping.dmp	family_agenttesla
behavioral2/memory/204-28-0x000000000044CDFE-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/688-7-0x000000000A6A0000-0x000000000A6F3000-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:

SOA.exe

description pid process target process

PID 688 set thread context of 204 688 SOA.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4072 204 WerFault.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

2104 REG.exe

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

description	pid	process	target process
PID 688 set thread context of 204	688	SOA.exe	RegSvcs.exe

pid	pid_target	process	target process
4072	204	WerFault.exe	RegSvcs.exe

pid	process
2104	REG.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

RegSvcs.exeWerFault.exe

pid	process
204	RegSvcs.exe
204	RegSvcs.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

SOA.exeRegSvcs.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	688	SOA.exe
Token: SeDebugPrivilege	204	RegSvcs.exe
Token: SeRestorePrivilege	4072	WerFault.exe
Token: SeBackupPrivilege	4072	WerFault.exe
Token: SeDebugPrivilege	4072	WerFault.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

SOA.exe

pid process

688 SOA.exe
688 SOA.exe

pid	process
688	SOA.exe
688	SOA.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

SOA.exeRegSvcs.exe

description	pid	process	target process
PID 688 wrote to memory of 204	688	SOA.exe	RegSvcs.exe
PID 688 wrote to memory of 204	688	SOA.exe	RegSvcs.exe
PID 688 wrote to memory of 204	688	SOA.exe	RegSvcs.exe
PID 688 wrote to memory of 204	688	SOA.exe	RegSvcs.exe
PID 688 wrote to memory of 204	688	SOA.exe	RegSvcs.exe
PID 688 wrote to memory of 204	688	SOA.exe	RegSvcs.exe
PID 688 wrote to memory of 204	688	SOA.exe	RegSvcs.exe
PID 688 wrote to memory of 204	688	SOA.exe	RegSvcs.exe
PID 204 wrote to memory of 2104	204	RegSvcs.exe	REG.exe
PID 204 wrote to memory of 2104	204	RegSvcs.exe	REG.exe
PID 204 wrote to memory of 2104	204	RegSvcs.exe	REG.exe
PID 204 wrote to memory of 4004	204	RegSvcs.exe	netsh.exe
PID 204 wrote to memory of 4004	204	RegSvcs.exe	netsh.exe
PID 204 wrote to memory of 4004	204	RegSvcs.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"C:\Users\Admin\AppData\Local\Temp\SOA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:688

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:204

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:2104

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 204 -s 1528
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4072

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

Loading Replay Monitor...

Downloads

memory/204-9-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/204-29-0x000000000044CDFE-mapping.dmp

Download
memory/204-21-0x000000000044CDFE-mapping.dmp

Download
memory/204-31-0x000000000044CDFE-mapping.dmp

Download
memory/204-10-0x000000000044CDFE-mapping.dmp

Download
memory/204-30-0x000000000044CDFE-mapping.dmp

Download
memory/204-27-0x000000000044CDFE-mapping.dmp

Download
memory/204-11-0x0000000073BB0000-0x000000007429E000-memory.dmp

Filesize
6.9MB

Download
memory/204-32-0x000000000044CDFE-mapping.dmp

Download
memory/204-28-0x000000000044CDFE-mapping.dmp

Download
memory/204-26-0x000000000044CDFE-mapping.dmp

Download
memory/204-16-0x0000000005970000-0x0000000005971000-memory.dmp

Filesize
4KB

Download
memory/204-17-0x00000000064D0000-0x00000000064D1000-memory.dmp

Filesize
4KB

Download
memory/204-25-0x000000000044CDFE-mapping.dmp

Download
memory/204-24-0x000000000044CDFE-mapping.dmp

Download
memory/204-23-0x000000000044CDFE-mapping.dmp

Download
memory/204-22-0x000000000044CDFE-mapping.dmp

Download
memory/688-8-0x000000000A7A0000-0x000000000A7A1000-memory.dmp

Filesize
4KB

Download
memory/688-0-0x0000000073BB0000-0x000000007429E000-memory.dmp

Filesize
6.9MB

Download
memory/688-7-0x000000000A6A0000-0x000000000A6F3000-memory.dmp

Filesize
332KB

Download
memory/688-6-0x0000000004650000-0x0000000004653000-memory.dmp

Filesize
12KB

Download
memory/688-5-0x0000000004C80000-0x0000000004C81000-memory.dmp

Filesize
4KB

Download
memory/688-4-0x0000000007120000-0x0000000007121000-memory.dmp

Filesize
4KB

Download
memory/688-3-0x0000000007620000-0x0000000007621000-memory.dmp

Filesize
4KB

Download
memory/688-1-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2104-18-0x0000000000000000-mapping.dmp

Download
memory/4004-19-0x0000000000000000-mapping.dmp

Download
memory/4072-20-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

Filesize
4KB

Download
memory/4072-33-0x00000000055F0000-0x00000000055F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads