agenttesla | f7b29f5ba346c9e357b8d0c8a33df8c0e6f810d2e387d1bfa15fa2224c90db7c

General

Target

swift copy.exe
Size

496KB
MD5

88c063ba896591127a15f451f029e881
SHA1

f6f1e3e0657d254f2c11be2ecae3a93b488db769
SHA256

c30238e31d4321ab8b4169269e6e635e59b6700d40e712c5fc85a0a1554dfd2a
SHA512

41ed0f6068ab1fd3d154ae0b33cf2031d9fa1069f0c0cfa8f8f2d7bc7c021776922333478acfd8887d598f14ca74034be9d2fa16049e053baeeeb5028c771117

Score

10^/10

agenttesla collection coreentity evasion keylogger persistence rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.microtechlab.in
Port:
587
Username:
[email protected]
Password:
pune@123

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/2020-56-0x0000000000280000-0x0000000000288000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/944-61-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/944-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/944-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/944-64-0x000000000044CF5E-mapping.dmp	family_agenttesla
behavioral1/memory/944-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/944-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/2020-57-0x00000000007E0000-0x0000000000838000-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

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

swift copy.exe

description pid process target process

PID 2020 set thread context of 944 2020 swift copy.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1236 REG.exe

description	pid	process	target process
PID 2020 set thread context of 944	2020	swift copy.exe	RegSvcs.exe

pid	process
1236	REG.exe

Suspicious behavior: EnumeratesProcesses 49 IoCs

Processes:

swift copy.exeRegSvcs.exe

pid	process
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
944	RegSvcs.exe
944	RegSvcs.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe
2020	swift copy.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

swift copy.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2020 swift copy.exe
Token: SeDebugPrivilege 944 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2020	swift copy.exe
Token: SeDebugPrivilege	944	RegSvcs.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

swift copy.exeRegSvcs.exe

description	pid	process	target process
PID 2020 wrote to memory of 1884	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 1884	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 1884	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 1884	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 1884	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 1884	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 1884	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 1948	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 1948	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 1948	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 1948	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 1948	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 1948	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 1948	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 944	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 944	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 944	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 944	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 944	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 944	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 944	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 944	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 944	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 944	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 944	2020	swift copy.exe	RegSvcs.exe
PID 2020 wrote to memory of 944	2020	swift copy.exe	RegSvcs.exe
PID 944 wrote to memory of 1236	944	RegSvcs.exe	REG.exe
PID 944 wrote to memory of 1236	944	RegSvcs.exe	REG.exe
PID 944 wrote to memory of 1236	944	RegSvcs.exe	REG.exe
PID 944 wrote to memory of 1236	944	RegSvcs.exe	REG.exe
PID 944 wrote to memory of 856	944	RegSvcs.exe	netsh.exe
PID 944 wrote to memory of 856	944	RegSvcs.exe	netsh.exe
PID 944 wrote to memory of 856	944	RegSvcs.exe	netsh.exe
PID 944 wrote to memory of 856	944	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\swift copy.exe
"C:\Users\Admin\AppData\Local\Temp\swift copy.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:1884

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:1948

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:944

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:1236

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:856

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/856-71-0x0000000000000000-mapping.dmp

Download
memory/944-64-0x000000000044CF5E-mapping.dmp

Download
memory/944-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/944-69-0x0000000076261000-0x0000000076263000-memory.dmp

Filesize
8KB

Download
memory/944-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/944-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/944-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/944-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/944-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/944-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1236-70-0x0000000000000000-mapping.dmp

Download
memory/2020-54-0x00000000001F0000-0x0000000000274000-memory.dmp

Filesize
528KB

Download
memory/2020-56-0x0000000000280000-0x0000000000288000-memory.dmp

Filesize
32KB

Download
memory/2020-57-0x00000000007E0000-0x0000000000838000-memory.dmp

Filesize
352KB

Download
memory/2020-55-0x0000000000490000-0x00000000004F2000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads