agenttesla | 674ff8b627f6d0e5c294518e5272a82230099a74dd87466941233f5091f05666

General

Target

YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe
Size

438KB
MD5

1fb477f037a5781626e07de476928154
SHA1

d73e53aba93e68cd66c9f68bdce0d1a61d8e7cfe
SHA256

cdbac6d4c4c6c722cf135d95f1c0e3d818dc660039ff4ad802c8ce4cc0f7145b
SHA512

60d41f5b320d3f29f89b163ebb70e4b06301d0ea6906acafb99e413258fe4d0976580f3f393f10f15590ba30b47edcf6c963163c62e91a02d300a73c6036517c

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:
g#BE=fpMXx@B

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/1076-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1076-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1076-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1076-64-0x0000000000447B1E-mapping.dmp	family_agenttesla
behavioral1/memory/1076-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1076-68-0x0000000000400000-0x000000000044C000-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\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
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

Suspicious use of SetThreadContext 1 IoCs

Processes:

YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe

description pid process target process

PID 1080 set thread context of 1076 1080 YOKOHAMA TYRE VIETNAM INC 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

1348 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

568 REG.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exeRegSvcs.exe

pid process

1080 YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe
1076 RegSvcs.exe
1076 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1080 YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe
Token: SeDebugPrivilege 1076 RegSvcs.exe

description	pid	process	target process
PID 1080 set thread context of 1076	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	RegSvcs.exe

pid	process
1348	schtasks.exe

pid	process
568	REG.exe

pid	process
1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe
1076	RegSvcs.exe
1076	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe
Token: SeDebugPrivilege	1076	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exeRegSvcs.exe

description	pid	process	target process
PID 1080 wrote to memory of 1348	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	schtasks.exe
PID 1080 wrote to memory of 1348	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	schtasks.exe
PID 1080 wrote to memory of 1348	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	schtasks.exe
PID 1080 wrote to memory of 1348	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	schtasks.exe
PID 1080 wrote to memory of 1076	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	RegSvcs.exe
PID 1080 wrote to memory of 1076	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	RegSvcs.exe
PID 1080 wrote to memory of 1076	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	RegSvcs.exe
PID 1080 wrote to memory of 1076	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	RegSvcs.exe
PID 1080 wrote to memory of 1076	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	RegSvcs.exe
PID 1080 wrote to memory of 1076	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	RegSvcs.exe
PID 1080 wrote to memory of 1076	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	RegSvcs.exe
PID 1080 wrote to memory of 1076	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	RegSvcs.exe
PID 1080 wrote to memory of 1076	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	RegSvcs.exe
PID 1080 wrote to memory of 1076	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	RegSvcs.exe
PID 1080 wrote to memory of 1076	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	RegSvcs.exe
PID 1080 wrote to memory of 1076	1080	YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe	RegSvcs.exe
PID 1076 wrote to memory of 568	1076	RegSvcs.exe	REG.exe
PID 1076 wrote to memory of 568	1076	RegSvcs.exe	REG.exe
PID 1076 wrote to memory of 568	1076	RegSvcs.exe	REG.exe
PID 1076 wrote to memory of 568	1076	RegSvcs.exe	REG.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\YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\YOKOHAMA TYRE VIETNAM INC RFQ_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1080

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\weKIli" /XML "C:\Users\Admin\AppData\Local\Temp\tmp363E.tmp"
2⤵
- Creates scheduled task(s)
PID:1348

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1076

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer / v NoRun / t REG_DWORD / d 1 / f
3⤵
- Modifies registry key
PID:568

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

Modify Registry

1

T1112

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\tmp363E.tmp
Filesize
1KB

MD5
252bd96e80567dd80d8ca597b22ffb00

SHA1
497093a8a4e56093224cb7b67e7a1425b0be4999

SHA256
108fe759ff3e03511d8df4c40355daba49af355a7ee7ab25a02f3a8c742802ef

SHA512
f10f21dda586b8ed22decc37c15cda953fdbdb6eae14bd0b0e28a56ba74a2ee5bf0a619cd1f58e51fda7db89e6666d73d6efc6775744a65c9f617658d2e5d347

Download Submit
memory/568-71-0x0000000000000000-mapping.dmp

Download
memory/1076-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1076-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1076-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1076-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1076-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1076-64-0x0000000000447B1E-mapping.dmp

Download
memory/1076-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1076-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1076-70-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/1080-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/1080-55-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/1348-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads