agenttesla | ffcb2695595edb1038f01ac39dc24830d955352ae9880f983ff2e22137357f18

General

Target

Purchase Order.exe
Size

518KB
MD5

8feb32e81b0c570b023e62ccaa62459b
SHA1

1d31d28aceb106ee34ed91e17b7d6b26b5bd4025
SHA256

66a821494ff2c4e9d5dbe663572f4f46df6993b0a661a29cd4a3da18414b9527
SHA512

be8bd41f5ff1b93dd7e8f4171a8158876b9f2db3ad13471ed76a10c57ae89782d45b80d8ccd9a23adda0b5002bc3f97e52ecfbf054838fd01db024c5b65041f8

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.amexworldwide.com
Port:
587
Username:
sujit@amexworldwide.com
Password:
sujit@41#

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/4424-141-0x0000000000400000-0x000000000045A000-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:

Purchase Order.exe

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

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:

Purchase Order.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	Purchase Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase Order.exe

description pid process target process

PID 1520 set thread context of 4424 1520 Purchase Order.exe Purchase Order.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

1204 schtasks.exe

description	pid	process	target process
PID 1520 set thread context of 4424	1520	Purchase Order.exe	Purchase Order.exe

pid	process
1204	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

Purchase Order.exePurchase Order.exe

pid	process
1520	Purchase Order.exe
1520	Purchase Order.exe
1520	Purchase Order.exe
1520	Purchase Order.exe
1520	Purchase Order.exe
1520	Purchase Order.exe
1520	Purchase Order.exe
1520	Purchase Order.exe
1520	Purchase Order.exe
1520	Purchase Order.exe
4424	Purchase Order.exe
4424	Purchase Order.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order.exePurchase Order.exe

description pid process

Token: SeDebugPrivilege 1520 Purchase Order.exe
Token: SeDebugPrivilege 4424 Purchase Order.exe

description	pid	process
Token: SeDebugPrivilege	1520	Purchase Order.exe
Token: SeDebugPrivilege	4424	Purchase Order.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Purchase Order.exe

description	pid	process	target process
PID 1520 wrote to memory of 1204	1520	Purchase Order.exe	schtasks.exe
PID 1520 wrote to memory of 1204	1520	Purchase Order.exe	schtasks.exe
PID 1520 wrote to memory of 1204	1520	Purchase Order.exe	schtasks.exe
PID 1520 wrote to memory of 2708	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 2708	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 2708	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 1176	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 1176	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 1176	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 380	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 380	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 380	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 4424	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 4424	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 4424	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 4424	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 4424	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 4424	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 4424	1520	Purchase Order.exe	Purchase Order.exe
PID 1520 wrote to memory of 4424	1520	Purchase Order.exe	Purchase Order.exe

outlook_office_path 1 IoCs

Processes:

Purchase Order.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	Purchase Order.exe

outlook_win_path 1 IoCs

Processes:

Purchase Order.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	Purchase Order.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iIShCyNf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAA3A.tmp"
2⤵
- Creates scheduled task(s)
PID:1204

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"{path}"
2⤵
PID:2708

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"{path}"
2⤵
PID:1176

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"{path}"
2⤵
PID:380

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4424

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

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\CLR_v4.0_32\UsageLogs\Purchase Order.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAA3A.tmp
Filesize
1KB

MD5
57db82d6de1366181ad42ad658817286

SHA1
4b9dfb98dd5f6897221083ecac724fe7b700d55d

SHA256
f59353f9218afaa0ae8b48b9d02b4bbaa63e90d33a5760e3160b8539423a2d92

SHA512
7373903cd0cd09780a3964878ed5a301b2bf0bc70385bd173b3e29005829306d291d068eff6bb4c1ada1f8924234714ee50e0a97ec471ae02e368dada53a3299

Download Submit
memory/380-139-0x0000000000000000-mapping.dmp

Download
memory/1176-138-0x0000000000000000-mapping.dmp

Download
memory/1204-135-0x0000000000000000-mapping.dmp

Download
memory/1520-133-0x0000000007010000-0x000000000701A000-memory.dmp

Filesize
40KB

Download
memory/1520-134-0x00000000094A0000-0x000000000953C000-memory.dmp

Filesize
624KB

Download
memory/1520-132-0x0000000006F70000-0x0000000007002000-memory.dmp

Filesize
584KB

Download
memory/1520-130-0x0000000000060000-0x00000000000E8000-memory.dmp

Filesize
544KB

Download
memory/1520-131-0x0000000007480000-0x0000000007A24000-memory.dmp

Filesize
5.6MB

Download
memory/2708-137-0x0000000000000000-mapping.dmp

Download
memory/4424-140-0x0000000000000000-mapping.dmp

Download
memory/4424-141-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4424-143-0x00000000060C0000-0x0000000006126000-memory.dmp

Filesize
408KB

Download
memory/4424-144-0x0000000006A90000-0x0000000006AE0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads