agenttesla | ca4e8df916bd6585f7f2ca0fd326f06ee145895d01a829805a7ae1408473c9c0

General

Target

TAX INVOICE.exe
Size

803KB
MD5

6401706cc7de542faa0c49444d2d4213
SHA1

cab13cb770d1b3daeb005b2b3944abe89113a4a2
SHA256

ca4e8df916bd6585f7f2ca0fd326f06ee145895d01a829805a7ae1408473c9c0
SHA512

934748729d87a38ab9474fe9bf4288923d136df07443d9b1e37513588f6c2b3e5d3596b4882e44096eefa38b6f3e3bfebed388b3a7f15cae3ee085df0c56f881
SSDEEP

12288:IxbI2iNQ2qoCGouu5bF7jv1AKz6nwbNGoRqsHADqjJ5nU:L1n9Muu/v1Mnj6xjrU

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.sseximclearing.com
Port:
587
Username:
[email protected]
Password:
Ssxm@9854

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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:

TAX INVOICE.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TAX INVOICE.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TAX INVOICE.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TAX INVOICE.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

TAX INVOICE.exe

description pid process target process

PID 1076 set thread context of 1432 1076 TAX INVOICE.exe TAX INVOICE.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

1752 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

TAX INVOICE.exeTAX INVOICE.exe

pid process

1076 TAX INVOICE.exe
1432 TAX INVOICE.exe
1432 TAX INVOICE.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TAX INVOICE.exeTAX INVOICE.exe

description pid process

Token: SeDebugPrivilege 1076 TAX INVOICE.exe
Token: SeDebugPrivilege 1432 TAX INVOICE.exe

description	pid	process	target process
PID 1076 set thread context of 1432	1076	TAX INVOICE.exe	TAX INVOICE.exe

pid	process
1752	schtasks.exe

pid	process
1076	TAX INVOICE.exe
1432	TAX INVOICE.exe
1432	TAX INVOICE.exe

description	pid	process
Token: SeDebugPrivilege	1076	TAX INVOICE.exe
Token: SeDebugPrivilege	1432	TAX INVOICE.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

TAX INVOICE.exe

description	pid	process	target process
PID 1076 wrote to memory of 1752	1076	TAX INVOICE.exe	schtasks.exe
PID 1076 wrote to memory of 1752	1076	TAX INVOICE.exe	schtasks.exe
PID 1076 wrote to memory of 1752	1076	TAX INVOICE.exe	schtasks.exe
PID 1076 wrote to memory of 1752	1076	TAX INVOICE.exe	schtasks.exe
PID 1076 wrote to memory of 1432	1076	TAX INVOICE.exe	TAX INVOICE.exe
PID 1076 wrote to memory of 1432	1076	TAX INVOICE.exe	TAX INVOICE.exe
PID 1076 wrote to memory of 1432	1076	TAX INVOICE.exe	TAX INVOICE.exe
PID 1076 wrote to memory of 1432	1076	TAX INVOICE.exe	TAX INVOICE.exe
PID 1076 wrote to memory of 1432	1076	TAX INVOICE.exe	TAX INVOICE.exe
PID 1076 wrote to memory of 1432	1076	TAX INVOICE.exe	TAX INVOICE.exe
PID 1076 wrote to memory of 1432	1076	TAX INVOICE.exe	TAX INVOICE.exe
PID 1076 wrote to memory of 1432	1076	TAX INVOICE.exe	TAX INVOICE.exe
PID 1076 wrote to memory of 1432	1076	TAX INVOICE.exe	TAX INVOICE.exe

outlook_office_path 1 IoCs

Processes:

TAX INVOICE.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TAX INVOICE.exe

outlook_win_path 1 IoCs

Processes:

TAX INVOICE.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TAX INVOICE.exe

C:\Users\Admin\AppData\Local\Temp\TAX INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\TAX INVOICE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1076

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rQjZzWgeZIPbo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7965.tmp"
2⤵
- Creates scheduled task(s)
PID:1752

C:\Users\Admin\AppData\Local\Temp\TAX INVOICE.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1432

Network

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

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7965.tmp
Filesize
1KB

MD5
ee20d740697cb5a1b38118f53bf37f9f

SHA1
64f4ee39d2de5071e73cdd4f11c0a7fe0c9c9ec5

SHA256
ea4feaa0491fd35a4424b497f7c4eff6fc35215fcdf73aae2981432c44801553

SHA512
c379083c1e4efe1da9c8104f6258e26ba30de6a8845a0f6bfe82f0c7c07b9d384da15cc8940aa2260f1bad869f8b74414c13f1e5357d16afeef5f6d3123bdde6

Download Submit
memory/1076-57-0x00000000054C0000-0x0000000005546000-memory.dmp

Filesize
536KB

Download
memory/1076-55-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/1076-54-0x0000000000B10000-0x0000000000BDE000-memory.dmp

Filesize
824KB

Download
memory/1076-58-0x00000000009D0000-0x0000000000A0A000-memory.dmp

Filesize
232KB

Download
memory/1076-56-0x0000000000720000-0x0000000000740000-memory.dmp

Filesize
128KB

Download
memory/1432-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1432-61-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1432-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1432-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1432-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1432-67-0x0000000000435B2E-mapping.dmp

Download
memory/1432-69-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1432-71-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1752-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads