agenttesla | 99d45cc516fd1fc2298975543fe3138179e40745396eca31cb99aa5f3226f9a9

General

Target

EMIN Vietnam Joint Stock Company RFQ_PDF.exe
Size

453KB
MD5

58bdb475e3b1b9d62407d94b5afd94c6
SHA1

14b8687de5b59217db4c675565a751bb1e2833f6
SHA256

a6a980334df0adebccc1a432ecf2d2ada83dbeb91b0dd5c47889d2e0f68dec89
SHA512

96dd490aa1baad8692f814d4c5a1df1b492607de8db9c83e9e74565ee5328db948efe45f87ac53635a952aef751ca0eb31f9fdb5e949b621c5688b857ad6f276

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.greebals.gr
Port:
587
Username:
[email protected]
Password:
2pvkb35mPGU#

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1432-61-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/1432-62-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/1432-63-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/1432-64-0x000000000044578E-mapping.dmp	family_agenttesla
behavioral1/memory/1432-66-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/1432-68-0x0000000000400000-0x000000000044A000-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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

EMIN Vietnam Joint Stock Company RFQ_PDF.exe

description pid process target process

PID 1384 set thread context of 1432 1384 EMIN Vietnam Joint Stock Company RFQ_PDF.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

2028 schtasks.exe

description	pid	process	target process
PID 1384 set thread context of 1432	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	RegSvcs.exe

pid	process
2028	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

EMIN Vietnam Joint Stock Company RFQ_PDF.exeRegSvcs.exe

pid	process
1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe
1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe
1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe
1432	RegSvcs.exe
1432	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

EMIN Vietnam Joint Stock Company RFQ_PDF.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1384 EMIN Vietnam Joint Stock Company RFQ_PDF.exe
Token: SeDebugPrivilege 1432 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe
Token: SeDebugPrivilege	1432	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

EMIN Vietnam Joint Stock Company RFQ_PDF.exe

description	pid	process	target process
PID 1384 wrote to memory of 2028	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	schtasks.exe
PID 1384 wrote to memory of 2028	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	schtasks.exe
PID 1384 wrote to memory of 2028	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	schtasks.exe
PID 1384 wrote to memory of 2028	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	schtasks.exe
PID 1384 wrote to memory of 1432	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	RegSvcs.exe
PID 1384 wrote to memory of 1432	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	RegSvcs.exe
PID 1384 wrote to memory of 1432	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	RegSvcs.exe
PID 1384 wrote to memory of 1432	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	RegSvcs.exe
PID 1384 wrote to memory of 1432	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	RegSvcs.exe
PID 1384 wrote to memory of 1432	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	RegSvcs.exe
PID 1384 wrote to memory of 1432	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	RegSvcs.exe
PID 1384 wrote to memory of 1432	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	RegSvcs.exe
PID 1384 wrote to memory of 1432	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	RegSvcs.exe
PID 1384 wrote to memory of 1432	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	RegSvcs.exe
PID 1384 wrote to memory of 1432	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	RegSvcs.exe
PID 1384 wrote to memory of 1432	1384	EMIN Vietnam Joint Stock Company RFQ_PDF.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\EMIN Vietnam Joint Stock Company RFQ_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\EMIN Vietnam Joint Stock Company RFQ_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1384

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NYtkuthydnZHu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp61C0.tmp"
2⤵
- Creates scheduled task(s)
PID:2028

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1432

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp61C0.tmp
Filesize
1KB

MD5
f9e6988feefbea14c1077148de820708

SHA1
f479b090651a531a4e74a0fa35c60c53ab41b676

SHA256
8503f28d8cf3d9b4c92d9f1f9952a9b8037bc851b9205a494531ea669d1de5bd

SHA512
a7ebb15658b6c184c767d151cfbbc05b9d83f55323de35100c94609359424a92b1bc6d54f2c9f61d65fe21096145db6aba8e8a06f1a184046536fc0ae327219a

Download Submit
memory/1384-55-0x0000000074580000-0x0000000074B2B000-memory.dmp

Filesize
5.7MB

Download
memory/1384-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/1432-61-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1432-58-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1432-59-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1432-62-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1432-63-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1432-64-0x000000000044578E-mapping.dmp

Download
memory/1432-66-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1432-68-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1432-70-0x0000000074510000-0x0000000074ABB000-memory.dmp

Filesize
5.7MB

Download
memory/2028-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads