agenttesla | cf16f6af27aef277eb68e81dce012ce2b3a5724ab9f0a6b95e53e50143743ec8

General

Target

PO_SBK4128332S.exe
Size

396KB
MD5

21f8f0c7c3a20cf495b776f34a9700ab
SHA1

dbccc05967ca5dba0957b980861414ad00f9a1f1
SHA256

cf16f6af27aef277eb68e81dce012ce2b3a5724ab9f0a6b95e53e50143743ec8
SHA512

80383dd3f913299958cf65d7e2c835b4220bda9c596b094aa8db0f7ad03dbe459f5daceb986f1f8930cf415f7b4e662881faaf595e6ed0669c24fb737604182b

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.mail.ru
Port:
587
Username:
[email protected]
Password:
xxxlahot2

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2268-127-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2268-128-0x00000000004375EE-mapping.dmp	family_agenttesla
behavioral2/memory/2268-133-0x00000000054A0000-0x000000000599E000-memory.dmp	family_agenttesla
behavioral2/memory/2268-138-0x00000000054A0000-0x000000000599E000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\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-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\TmZaMAa = "C:\\Users\\Admin\\AppData\\Roaming\\TmZaMAa\\TmZaMAa.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO_SBK4128332S.exe

description pid process target process

PID 2320 set thread context of 2268 2320 PO_SBK4128332S.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4532 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

PO_SBK4128332S.exeRegSvcs.exe

pid process

2320 PO_SBK4128332S.exe
2320 PO_SBK4128332S.exe
2268 RegSvcs.exe
2268 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO_SBK4128332S.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2320 PO_SBK4128332S.exe
Token: SeDebugPrivilege 2268 RegSvcs.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

PO_SBK4128332S.exe

pid process

2320 PO_SBK4128332S.exe
2320 PO_SBK4128332S.exe

description	pid	process	target process
PID 2320 set thread context of 2268	2320	PO_SBK4128332S.exe	RegSvcs.exe

pid	process
4532	schtasks.exe

pid	process
2320	PO_SBK4128332S.exe
2320	PO_SBK4128332S.exe
2268	RegSvcs.exe
2268	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2320	PO_SBK4128332S.exe
Token: SeDebugPrivilege	2268	RegSvcs.exe

pid	process
2320	PO_SBK4128332S.exe
2320	PO_SBK4128332S.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

PO_SBK4128332S.exe

description	pid	process	target process
PID 2320 wrote to memory of 4532	2320	PO_SBK4128332S.exe	schtasks.exe
PID 2320 wrote to memory of 4532	2320	PO_SBK4128332S.exe	schtasks.exe
PID 2320 wrote to memory of 4532	2320	PO_SBK4128332S.exe	schtasks.exe
PID 2320 wrote to memory of 4600	2320	PO_SBK4128332S.exe	RegSvcs.exe
PID 2320 wrote to memory of 4600	2320	PO_SBK4128332S.exe	RegSvcs.exe
PID 2320 wrote to memory of 4600	2320	PO_SBK4128332S.exe	RegSvcs.exe
PID 2320 wrote to memory of 2268	2320	PO_SBK4128332S.exe	RegSvcs.exe
PID 2320 wrote to memory of 2268	2320	PO_SBK4128332S.exe	RegSvcs.exe
PID 2320 wrote to memory of 2268	2320	PO_SBK4128332S.exe	RegSvcs.exe
PID 2320 wrote to memory of 2268	2320	PO_SBK4128332S.exe	RegSvcs.exe
PID 2320 wrote to memory of 2268	2320	PO_SBK4128332S.exe	RegSvcs.exe
PID 2320 wrote to memory of 2268	2320	PO_SBK4128332S.exe	RegSvcs.exe
PID 2320 wrote to memory of 2268	2320	PO_SBK4128332S.exe	RegSvcs.exe
PID 2320 wrote to memory of 2268	2320	PO_SBK4128332S.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\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-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PO_SBK4128332S.exe
"C:\Users\Admin\AppData\Local\Temp\PO_SBK4128332S.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2320

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tYlvIYWZky" /XML "C:\Users\Admin\AppData\Local\Temp\tmp86DF.tmp"
2⤵
- Creates scheduled task(s)
PID:4532

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:4600

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2268

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2268-127-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2268-138-0x00000000054A0000-0x000000000599E000-memory.dmp

Filesize
5.0MB

Download
memory/2268-135-0x0000000006160000-0x0000000006161000-memory.dmp

Filesize
4KB

Download
memory/2268-134-0x00000000060D0000-0x00000000060D1000-memory.dmp

Filesize
4KB

Download
memory/2268-133-0x00000000054A0000-0x000000000599E000-memory.dmp

Filesize
5.0MB

Download
memory/2268-128-0x00000000004375EE-mapping.dmp

Download
memory/2320-120-0x0000000005740000-0x0000000005741000-memory.dmp

Filesize
4KB

Download
memory/2320-123-0x0000000009A40000-0x0000000009A48000-memory.dmp

Filesize
32KB

Download
memory/2320-124-0x0000000009B00000-0x0000000009B01000-memory.dmp

Filesize
4KB

Download
memory/2320-125-0x0000000009BA0000-0x0000000009BF8000-memory.dmp

Filesize
352KB

Download
memory/2320-122-0x0000000005770000-0x0000000005C6E000-memory.dmp

Filesize
5.0MB

Download
memory/2320-121-0x0000000005770000-0x0000000005C6E000-memory.dmp

Filesize
5.0MB

Download
memory/2320-115-0x0000000000D60000-0x0000000000D61000-memory.dmp

Filesize
4KB

Download
memory/2320-119-0x0000000005770000-0x0000000005C6E000-memory.dmp

Filesize
5.0MB

Download
memory/2320-118-0x0000000005770000-0x0000000005771000-memory.dmp

Filesize
4KB

Download
memory/2320-117-0x0000000005C70000-0x0000000005C71000-memory.dmp

Filesize
4KB

Download
memory/4532-126-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads