agenttesla | 8306f3cdd40467e2c851d850e7d8850add41b732a57382562ae9f8b949abc5dc

General

Target

Commerical invoice.exe
Size

474KB
MD5

29e84bff08f40b0ad47e415e284c2b6d
SHA1

cd4ecfb91c6504bd8fe2da366298a28877f4da9a
SHA256

55a99c172ecc21abb477851da63336dbc01c67bc90f11d08dacd3ac2995e82be
SHA512

a39de205f7c07a8268acd4e9986d76ffa5b17849d7a7afa67283a509649a3d0b2e1d61533bc3bbc5c6a1c827cc18492175c5233e1c045a4f502794c4e78623be

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
vicanto1994

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/828-63-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/828-64-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/828-65-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/828-66-0x000000000045473E-mapping.dmp	family_agenttesla
behavioral1/memory/828-68-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/828-70-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Commerical invoice.exe

description pid process target process

PID 284 set thread context of 828 284 Commerical invoice.exe MSBuild.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

1728 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Commerical invoice.exeMSBuild.exe

pid process

284 Commerical invoice.exe
284 Commerical invoice.exe
284 Commerical invoice.exe
828 MSBuild.exe
828 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Commerical invoice.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 284 Commerical invoice.exe
Token: SeDebugPrivilege 828 MSBuild.exe

description	pid	process	target process
PID 284 set thread context of 828	284	Commerical invoice.exe	MSBuild.exe

pid	process
1728	schtasks.exe

pid	process
284	Commerical invoice.exe
284	Commerical invoice.exe
284	Commerical invoice.exe
828	MSBuild.exe
828	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	284	Commerical invoice.exe
Token: SeDebugPrivilege	828	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Commerical invoice.exe

description	pid	process	target process
PID 284 wrote to memory of 1728	284	Commerical invoice.exe	schtasks.exe
PID 284 wrote to memory of 1728	284	Commerical invoice.exe	schtasks.exe
PID 284 wrote to memory of 1728	284	Commerical invoice.exe	schtasks.exe
PID 284 wrote to memory of 1728	284	Commerical invoice.exe	schtasks.exe
PID 284 wrote to memory of 828	284	Commerical invoice.exe	MSBuild.exe
PID 284 wrote to memory of 828	284	Commerical invoice.exe	MSBuild.exe
PID 284 wrote to memory of 828	284	Commerical invoice.exe	MSBuild.exe
PID 284 wrote to memory of 828	284	Commerical invoice.exe	MSBuild.exe
PID 284 wrote to memory of 828	284	Commerical invoice.exe	MSBuild.exe
PID 284 wrote to memory of 828	284	Commerical invoice.exe	MSBuild.exe
PID 284 wrote to memory of 828	284	Commerical invoice.exe	MSBuild.exe
PID 284 wrote to memory of 828	284	Commerical invoice.exe	MSBuild.exe
PID 284 wrote to memory of 828	284	Commerical invoice.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Commerical invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Commerical invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:284

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NOBmSmPCwYqK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF049.tmp"
2⤵
- Creates scheduled task(s)
PID:1728

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:828

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\tmpF049.tmp
Filesize
1KB

MD5
4b4b092d3997836fa7e62c21cc3cf3e9

SHA1
099e0c9a452da49224205d2fe7ea9e423c0e3a78

SHA256
d28b14cb88d5b9809c1701bffaa622ccf58888dfc3210a91fd4c309a86098457

SHA512
f4b890c13735c481d45687879e4bcfc83d3d7d3d5e06bca8268b0502413bb5a3ce7d6ee3b7fdee96f08723eedd4a03d0f462d20b2b839e252bd742e46260119a

Download Submit
memory/284-55-0x0000000000300000-0x0000000000310000-memory.dmp

Filesize
64KB

Download
memory/284-56-0x0000000004DF0000-0x0000000004E5A000-memory.dmp

Filesize
424KB

Download
memory/284-57-0x0000000004D50000-0x0000000004DA8000-memory.dmp

Filesize
352KB

Download
memory/284-54-0x0000000000BC0000-0x0000000000C3C000-memory.dmp

Filesize
496KB

Download
memory/828-60-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/828-61-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/828-63-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/828-64-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/828-65-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/828-66-0x000000000045473E-mapping.dmp

Download
memory/828-68-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/828-70-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/828-71-0x0000000076431000-0x0000000076433000-memory.dmp

Filesize
8KB

Download
memory/1728-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads