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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3696-138-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Commerical invoice.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	Commerical invoice.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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 3020 set thread context of 3696 3020 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

3880 schtasks.exe

description	pid	process	target process
PID 3020 set thread context of 3696	3020	Commerical invoice.exe	MSBuild.exe

pid	process
3880	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Commerical invoice.exeMSBuild.exe

pid	process
3020	Commerical invoice.exe
3020	Commerical invoice.exe
3020	Commerical invoice.exe
3020	Commerical invoice.exe
3020	Commerical invoice.exe
3020	Commerical invoice.exe
3696	MSBuild.exe
3696	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Commerical invoice.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 3020 Commerical invoice.exe
Token: SeDebugPrivilege 3696 MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	3020	Commerical invoice.exe
Token: SeDebugPrivilege	3696	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Commerical invoice.exe

description	pid	process	target process
PID 3020 wrote to memory of 3880	3020	Commerical invoice.exe	schtasks.exe
PID 3020 wrote to memory of 3880	3020	Commerical invoice.exe	schtasks.exe
PID 3020 wrote to memory of 3880	3020	Commerical invoice.exe	schtasks.exe
PID 3020 wrote to memory of 1572	3020	Commerical invoice.exe	MSBuild.exe
PID 3020 wrote to memory of 1572	3020	Commerical invoice.exe	MSBuild.exe
PID 3020 wrote to memory of 1572	3020	Commerical invoice.exe	MSBuild.exe
PID 3020 wrote to memory of 3696	3020	Commerical invoice.exe	MSBuild.exe
PID 3020 wrote to memory of 3696	3020	Commerical invoice.exe	MSBuild.exe
PID 3020 wrote to memory of 3696	3020	Commerical invoice.exe	MSBuild.exe
PID 3020 wrote to memory of 3696	3020	Commerical invoice.exe	MSBuild.exe
PID 3020 wrote to memory of 3696	3020	Commerical invoice.exe	MSBuild.exe
PID 3020 wrote to memory of 3696	3020	Commerical invoice.exe	MSBuild.exe
PID 3020 wrote to memory of 3696	3020	Commerical invoice.exe	MSBuild.exe
PID 3020 wrote to memory of 3696	3020	Commerical invoice.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3020

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NOBmSmPCwYqK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4892.tmp"
2⤵
- Creates scheduled task(s)
PID:3880

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
2⤵
PID:1572

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:3696

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

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4892.tmp
Filesize
1KB

MD5
cd27f0dfe82200a0ed5990104662706c

SHA1
1f3ba375278ace9a326fddf276e36bfd65d064fa

SHA256
31918359453d719b0b697c8fe73d7259945ee7a099902ce519c19dd0de6b1c0d

SHA512
9877ffe61f12dcb1c4ec18c6e503906c49e4d6be35b43d752c07c7c587013b98ae6269994a69426c0455af766495caf9b5bcea27d3c8cd356f89c94d8a58d639

Download Submit
memory/1572-136-0x0000000000000000-mapping.dmp

Download
memory/3020-130-0x00000000003B0000-0x000000000042C000-memory.dmp

Filesize
496KB

Download
memory/3020-131-0x0000000005310000-0x00000000058B4000-memory.dmp

Filesize
5.6MB

Download
memory/3020-132-0x0000000004F10000-0x0000000004FA2000-memory.dmp

Filesize
584KB

Download
memory/3020-133-0x000000000B570000-0x000000000B60C000-memory.dmp

Filesize
624KB

Download
memory/3696-137-0x0000000000000000-mapping.dmp

Download
memory/3696-138-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/3696-139-0x0000000006020000-0x0000000006086000-memory.dmp

Filesize
408KB

Download
memory/3696-140-0x0000000006D00000-0x0000000006D50000-memory.dmp

Filesize
320KB

Download
memory/3696-141-0x0000000006C90000-0x0000000006C9A000-memory.dmp

Filesize
40KB

Download
memory/3880-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads