agenttesla | 1c61ddda86408d39192c8ad768fb2c0625af5f5cdbca79476e4c9359b61d5648

General

Target

P.O.exe
Size

1.0MB
MD5

2cb582090ac253860995b7844f7872f7
SHA1

dd9af5c059ee15378169231bb78056994b729174
SHA256

c77cb990d8c1292bc7e5c26336b1c38eaab5d8534e39ba7e63b10870acaecac4
SHA512

16011b3034956e620a37820c537a6de13a336a1e89d57490894724fa8bb6b735e38d5b89e9570e7b39838ec3252fc31be588cf87ef54b702cd0550aad56193a2

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

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

Extracted

Family

agenttesla

Credentials

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

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/224-139-0x0000000000400000-0x0000000000466000-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:

P.O.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation P.O.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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	P.O.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

P.O.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P.O.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P.O.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P.O.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

P.O.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe"	P.O.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

P.O.exe

description pid process target process

PID 4444 set thread context of 224 4444 P.O.exe P.O.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

3520 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

P.O.exe

pid process

224 P.O.exe
224 P.O.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

P.O.exe

description pid process

Token: SeDebugPrivilege 224 P.O.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

P.O.exe

pid process

224 P.O.exe

description	pid	process	target process
PID 4444 set thread context of 224	4444	P.O.exe	P.O.exe

pid	process
3520	schtasks.exe

pid	process
224	P.O.exe
224	P.O.exe

description	pid	process
Token: SeDebugPrivilege	224	P.O.exe

pid	process
224	P.O.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

P.O.exe

description	pid	process	target process
PID 4444 wrote to memory of 3520	4444	P.O.exe	schtasks.exe
PID 4444 wrote to memory of 3520	4444	P.O.exe	schtasks.exe
PID 4444 wrote to memory of 3520	4444	P.O.exe	schtasks.exe
PID 4444 wrote to memory of 224	4444	P.O.exe	P.O.exe
PID 4444 wrote to memory of 224	4444	P.O.exe	P.O.exe
PID 4444 wrote to memory of 224	4444	P.O.exe	P.O.exe
PID 4444 wrote to memory of 224	4444	P.O.exe	P.O.exe
PID 4444 wrote to memory of 224	4444	P.O.exe	P.O.exe
PID 4444 wrote to memory of 224	4444	P.O.exe	P.O.exe
PID 4444 wrote to memory of 224	4444	P.O.exe	P.O.exe
PID 4444 wrote to memory of 224	4444	P.O.exe	P.O.exe

outlook_office_path 1 IoCs

Processes:

P.O.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P.O.exe

outlook_win_path 1 IoCs

Processes:

P.O.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	P.O.exe

C:\Users\Admin\AppData\Local\Temp\P.O.exe
"C:\Users\Admin\AppData\Local\Temp\P.O.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4444

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WdUQXkI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E53.tmp"
2⤵
- Creates scheduled task(s)
PID:3520

C:\Users\Admin\AppData\Local\Temp\P.O.exe
"C:\Users\Admin\AppData\Local\Temp\P.O.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:224

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

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\P.O.exe.log
Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9E53.tmp
Filesize
1KB

MD5
29f748df47740f3c7bbbf34a8328acf9

SHA1
1d37b144b75957be0a8038e8f102777941497f17

SHA256
3ad5c2f9f8672be4e7c5a5dae18a9f7f4055cb059e212b71f75872ad6410db26

SHA512
d2441761e2b0eccbe62cebceabd3ee207214939c130851066ca4c92f6846155e3829dc2a374659574c359370d821f9c015ab3f5bff7721d8f518658de29c16a7

Download Submit
memory/224-142-0x00000000065A0000-0x00000000065F0000-memory.dmp

Filesize
320KB

Download
memory/224-141-0x0000000005DA0000-0x0000000005E06000-memory.dmp

Filesize
408KB

Download
memory/224-139-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/224-138-0x0000000000000000-mapping.dmp

Download
memory/3520-136-0x0000000000000000-mapping.dmp

Download
memory/4444-130-0x0000000000380000-0x0000000000488000-memory.dmp

Filesize
1.0MB

Download
memory/4444-135-0x0000000005160000-0x00000000051B6000-memory.dmp

Filesize
344KB

Download
memory/4444-134-0x0000000004E20000-0x0000000004E2A000-memory.dmp

Filesize
40KB

Download
memory/4444-133-0x0000000004F80000-0x0000000005012000-memory.dmp

Filesize
584KB

Download
memory/4444-132-0x0000000005530000-0x0000000005AD4000-memory.dmp

Filesize
5.6MB

Download
memory/4444-131-0x0000000004EE0000-0x0000000004F7C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads