agenttesla | 6636069de87428b1b27fa6863952eb2a88608ddb5b298701751724143df482b2

General

Target

Swift Copy.exe
Size

503KB
MD5

561978ce5c5027ddd74ab9958c89569e
SHA1

dbf352dd70a714e9f1f0b03832c0eca8eab17754
SHA256

34604c450edccb519e89347afd87707ca455038abfc2cc0e5b2919a4a677f93c
SHA512

b262294b164202685a9a6cf4b829bc2e2db820a254315bc1386e080c3617212673300d93a076ccef1d28c5e2ff5769c2d46eb1296a731e7edfaaaad0f6f14ca3

Score

10^/10

agenttesla collection coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.pptoursperu.com
Port:
587
Username:
[email protected]
Password:
mailppt2019-

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/1116-56-0x0000000000560000-0x0000000000568000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/956-61-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/956-62-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/956-64-0x000000000044BE5E-mapping.dmp	family_agenttesla
behavioral1/memory/956-63-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/956-66-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/956-68-0x0000000000400000-0x0000000000450000-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/1116-57-0x0000000000FA0000-0x0000000000FF8000-memory.dmp	rezer0

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Swift Copy.exe

description pid process target process

PID 1116 set thread context of 956 1116 Swift Copy.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

956 RegSvcs.exe
956 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 956 RegSvcs.exe

description	pid	process	target process
PID 1116 set thread context of 956	1116	Swift Copy.exe	RegSvcs.exe

pid	process
956	RegSvcs.exe
956	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	956	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Swift Copy.exe

description	pid	process	target process
PID 1116 wrote to memory of 956	1116	Swift Copy.exe	RegSvcs.exe
PID 1116 wrote to memory of 956	1116	Swift Copy.exe	RegSvcs.exe
PID 1116 wrote to memory of 956	1116	Swift Copy.exe	RegSvcs.exe
PID 1116 wrote to memory of 956	1116	Swift Copy.exe	RegSvcs.exe
PID 1116 wrote to memory of 956	1116	Swift Copy.exe	RegSvcs.exe
PID 1116 wrote to memory of 956	1116	Swift Copy.exe	RegSvcs.exe
PID 1116 wrote to memory of 956	1116	Swift Copy.exe	RegSvcs.exe
PID 1116 wrote to memory of 956	1116	Swift Copy.exe	RegSvcs.exe
PID 1116 wrote to memory of 956	1116	Swift Copy.exe	RegSvcs.exe
PID 1116 wrote to memory of 956	1116	Swift Copy.exe	RegSvcs.exe
PID 1116 wrote to memory of 956	1116	Swift Copy.exe	RegSvcs.exe
PID 1116 wrote to memory of 956	1116	Swift Copy.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\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 use of WriteProcessMemory
PID:1116

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:956

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/956-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/956-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/956-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/956-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/956-64-0x000000000044BE5E-mapping.dmp

Download
memory/956-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/956-66-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/956-68-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1116-54-0x0000000001010000-0x0000000001094000-memory.dmp

Filesize
528KB

Download
memory/1116-55-0x00000000755C1000-0x00000000755C3000-memory.dmp

Filesize
8KB

Download
memory/1116-56-0x0000000000560000-0x0000000000568000-memory.dmp

Filesize
32KB

Download
memory/1116-57-0x0000000000FA0000-0x0000000000FF8000-memory.dmp

Filesize
352KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads