agenttesla | 743e9ab3afececaddd02c6402d7099f7e5c19f54799225f396c6808da207e78a

General

Target

WaybillDoc_1009893562_pdf.exe
Size

790KB
MD5

5ea10085db645a0c943cae3e079c1365
SHA1

39477e60fe3a1a0365e36e82988f61aa858b928e
SHA256

743e9ab3afececaddd02c6402d7099f7e5c19f54799225f396c6808da207e78a
SHA512

241a79d8e137de843c3f053723ac34bc19f6ac4c37060c97f8b9dabb9c75f764330472eae8536dc922179f111ea5070bddfcd98cb8a9047821fcb233b5fac976
SSDEEP

24576:EcVZ9QGb2Zz4Ps43botB1bBqIwW3ZNC4Mj:33uOlopbQgpg

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.valtronics-ae.com
Port:
587
Username:
eby@valtronics-ae.com
Password:
YTMIlIR0
Email To:
eby@valtronics-ae.com

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

WaybillDoc_1009893562_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	WaybillDoc_1009893562_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	WaybillDoc_1009893562_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	WaybillDoc_1009893562_pdf.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

WaybillDoc_1009893562_pdf.exe

description pid process target process

PID 1264 set thread context of 1128 1264 WaybillDoc_1009893562_pdf.exe WaybillDoc_1009893562_pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

384 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

WaybillDoc_1009893562_pdf.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1128 WaybillDoc_1009893562_pdf.exe
Token: SeDebugPrivilege 384 powershell.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 1264 set thread context of 1128	1264	WaybillDoc_1009893562_pdf.exe	WaybillDoc_1009893562_pdf.exe

pid	process
384	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1128	WaybillDoc_1009893562_pdf.exe
Token: SeDebugPrivilege	384	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

WaybillDoc_1009893562_pdf.exe

description	pid	process	target process
PID 1264 wrote to memory of 384	1264	WaybillDoc_1009893562_pdf.exe	powershell.exe
PID 1264 wrote to memory of 384	1264	WaybillDoc_1009893562_pdf.exe	powershell.exe
PID 1264 wrote to memory of 384	1264	WaybillDoc_1009893562_pdf.exe	powershell.exe
PID 1264 wrote to memory of 384	1264	WaybillDoc_1009893562_pdf.exe	powershell.exe
PID 1264 wrote to memory of 1128	1264	WaybillDoc_1009893562_pdf.exe	WaybillDoc_1009893562_pdf.exe
PID 1264 wrote to memory of 1128	1264	WaybillDoc_1009893562_pdf.exe	WaybillDoc_1009893562_pdf.exe
PID 1264 wrote to memory of 1128	1264	WaybillDoc_1009893562_pdf.exe	WaybillDoc_1009893562_pdf.exe
PID 1264 wrote to memory of 1128	1264	WaybillDoc_1009893562_pdf.exe	WaybillDoc_1009893562_pdf.exe
PID 1264 wrote to memory of 1128	1264	WaybillDoc_1009893562_pdf.exe	WaybillDoc_1009893562_pdf.exe
PID 1264 wrote to memory of 1128	1264	WaybillDoc_1009893562_pdf.exe	WaybillDoc_1009893562_pdf.exe
PID 1264 wrote to memory of 1128	1264	WaybillDoc_1009893562_pdf.exe	WaybillDoc_1009893562_pdf.exe
PID 1264 wrote to memory of 1128	1264	WaybillDoc_1009893562_pdf.exe	WaybillDoc_1009893562_pdf.exe
PID 1264 wrote to memory of 1128	1264	WaybillDoc_1009893562_pdf.exe	WaybillDoc_1009893562_pdf.exe

outlook_office_path 1 IoCs

Processes:

WaybillDoc_1009893562_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	WaybillDoc_1009893562_pdf.exe

outlook_win_path 1 IoCs

Processes:

WaybillDoc_1009893562_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	WaybillDoc_1009893562_pdf.exe

C:\Users\Admin\AppData\Local\Temp\WaybillDoc_1009893562_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\WaybillDoc_1009893562_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1264

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\WaybillDoc_1009893562_pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:384

C:\Users\Admin\AppData\Local\Temp\WaybillDoc_1009893562_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\WaybillDoc_1009893562_pdf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1128

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/384-74-0x0000000002490000-0x00000000024D0000-memory.dmp

Filesize
256KB

Download
memory/384-75-0x0000000002490000-0x00000000024D0000-memory.dmp

Filesize
256KB

Download
memory/1128-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1128-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1128-93-0x0000000004F30000-0x0000000004F70000-memory.dmp

Filesize
256KB

Download
memory/1128-73-0x0000000004F30000-0x0000000004F70000-memory.dmp

Filesize
256KB

Download
memory/1128-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1128-61-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1128-62-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1128-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1128-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1128-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1264-54-0x0000000000F40000-0x000000000100C000-memory.dmp

Filesize
816KB

Download
memory/1264-57-0x0000000004A00000-0x0000000004A40000-memory.dmp

Filesize
256KB

Download
memory/1264-60-0x0000000004590000-0x00000000045C2000-memory.dmp

Filesize
200KB

Download
memory/1264-56-0x00000000004E0000-0x0000000000500000-memory.dmp

Filesize
128KB

Download
memory/1264-59-0x0000000005760000-0x000000000580A000-memory.dmp

Filesize
680KB

Download
memory/1264-55-0x0000000004A00000-0x0000000004A40000-memory.dmp

Filesize
256KB

Download
memory/1264-58-0x0000000000510000-0x000000000051C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads