agenttesla | 983925427fd1488a162e2af402b04ecf4ebb7b2b2e3c39aa0fe12f08a9c4f5c5

General

Target

cec5221ea002fae424e9a21d8364aa83.exe
Size

743KB
MD5

cec5221ea002fae424e9a21d8364aa83
SHA1

4bf180341bc1e1ceabe22349c7f022a9802ae0d1
SHA256

983925427fd1488a162e2af402b04ecf4ebb7b2b2e3c39aa0fe12f08a9c4f5c5
SHA512

0ff3592710df0367d56071766e51978b82058bc7f9162a0e4ceb4b40051a3aeb46ea6921cee20906eb4e105398055f4d2024e3b75c05fa46ce63e49b714f6607
SSDEEP

12288:gL42L541isaJ4fNn6B/tToreyA9UdYXhtwdcFCrLnP5Q5wrWlx:gL2sC1n6LIAKdYcdcsr7P5Q5o

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sunyoktoy.com
Port:
587
Username:
[email protected]
Password:
Alibaba@#HTMLcovidwor

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/2944-13-0x0000000000400000-0x000000000044C000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	cec5221ea002fae424e9a21d8364aa83.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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cec5221ea002fae424e9a21d8364aa83.exe
Key opened	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cec5221ea002fae424e9a21d8364aa83.exe
Key opened	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cec5221ea002fae424e9a21d8364aa83.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3608 set thread context of 2944	3608	cec5221ea002fae424e9a21d8364aa83.exe	101

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job

T1053

pid	Process
2380	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3608	cec5221ea002fae424e9a21d8364aa83.exe
2944	cec5221ea002fae424e9a21d8364aa83.exe
2944	cec5221ea002fae424e9a21d8364aa83.exe
2944	cec5221ea002fae424e9a21d8364aa83.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3608	cec5221ea002fae424e9a21d8364aa83.exe
Token: SeDebugPrivilege	2944	cec5221ea002fae424e9a21d8364aa83.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3608 wrote to memory of 2380	3608	cec5221ea002fae424e9a21d8364aa83.exe	99
PID 3608 wrote to memory of 2380	3608	cec5221ea002fae424e9a21d8364aa83.exe	99
PID 3608 wrote to memory of 2380	3608	cec5221ea002fae424e9a21d8364aa83.exe	99
PID 3608 wrote to memory of 2944	3608	cec5221ea002fae424e9a21d8364aa83.exe	101
PID 3608 wrote to memory of 2944	3608	cec5221ea002fae424e9a21d8364aa83.exe	101
PID 3608 wrote to memory of 2944	3608	cec5221ea002fae424e9a21d8364aa83.exe	101
PID 3608 wrote to memory of 2944	3608	cec5221ea002fae424e9a21d8364aa83.exe	101
PID 3608 wrote to memory of 2944	3608	cec5221ea002fae424e9a21d8364aa83.exe	101
PID 3608 wrote to memory of 2944	3608	cec5221ea002fae424e9a21d8364aa83.exe	101
PID 3608 wrote to memory of 2944	3608	cec5221ea002fae424e9a21d8364aa83.exe	101
PID 3608 wrote to memory of 2944	3608	cec5221ea002fae424e9a21d8364aa83.exe	101

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cec5221ea002fae424e9a21d8364aa83.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	cec5221ea002fae424e9a21d8364aa83.exe

C:\Users\Admin\AppData\Local\Temp\cec5221ea002fae424e9a21d8364aa83.exe
"C:\Users\Admin\AppData\Local\Temp\cec5221ea002fae424e9a21d8364aa83.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3608
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XPZNocnowGspvP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA0CF.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2380
- C:\Users\Admin\AppData\Local\Temp\cec5221ea002fae424e9a21d8364aa83.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\cec5221ea002fae424e9a21d8364aa83.exe.log

Filesize
507B

MD5
76ffb2f33cb32ade8fc862a67599e9d8

SHA1
920cc4ab75b36d2f9f6e979b74db568973c49130

SHA256
f1a3724670e3379318ec9c73f6f39058cab0ab013ba3cd90c047c3d701362310

SHA512
f33502c2e1bb30c05359bfc6819ca934642a1e01874e3060349127d792694d56ad22fccd6c9477b8ee50d66db35785779324273f509576b48b7f85577e001b4e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA0CF.tmp

Filesize
1KB

MD5
57d05602573f524e4a1c1c796debc7e6

SHA1
3cfb7893905b7ae52cacbdc3c87ec1528d92cc1a

SHA256
4fa59c1f63f9ecf468983fe0790a06c4a9738f209ec5ae9d906125bae48a1245

SHA512
798d5916a99acb8307651804802798ba3a7731ea4edeec66ff6a9184b34880d9fcb4474da79cd26dc7864088b91b9741c094724dddda8686643a61f861ddf0f3

Download Submit
memory/2944-21-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/2944-16-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/2944-29-0x0000000005220000-0x0000000005230000-memory.dmp

Filesize
64KB

Download
memory/2944-28-0x0000000006670000-0x000000000667A000-memory.dmp

Filesize
40KB

Download
memory/2944-27-0x0000000005220000-0x0000000005230000-memory.dmp

Filesize
64KB

Download
memory/2944-23-0x00000000066D0000-0x0000000006720000-memory.dmp

Filesize
320KB

Download
memory/2944-22-0x0000000005220000-0x0000000005230000-memory.dmp

Filesize
64KB

Download
memory/2944-20-0x00000000060F0000-0x0000000006156000-memory.dmp

Filesize
408KB

Download
memory/2944-19-0x0000000006060000-0x0000000006078000-memory.dmp

Filesize
96KB

Download
memory/2944-18-0x0000000005220000-0x0000000005230000-memory.dmp

Filesize
64KB

Download
memory/2944-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3608-8-0x00000000065B0000-0x000000000664C000-memory.dmp

Filesize
624KB

Download
memory/3608-3-0x00000000057B0000-0x0000000005842000-memory.dmp

Filesize
584KB

Download
memory/3608-17-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/3608-2-0x0000000005C70000-0x0000000006214000-memory.dmp

Filesize
5.6MB

Download
memory/3608-9-0x0000000005760000-0x0000000005770000-memory.dmp

Filesize
64KB

Download
memory/3608-0-0x0000000000D10000-0x0000000000DD0000-memory.dmp

Filesize
768KB

Download
memory/3608-1-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/3608-7-0x00000000064C0000-0x0000000006514000-memory.dmp

Filesize
336KB

Download
memory/3608-6-0x0000000005760000-0x0000000005770000-memory.dmp

Filesize
64KB

Download
memory/3608-5-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/3608-4-0x0000000005740000-0x0000000005748000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads