agenttesla | cd9b157326d34a9c50e9d2c997b127c4a0b55be835674546359860a36abeb998

General

Target

PRODUCT LISTS_____PDF_____0011.exe
Size

499KB
MD5

bc9fd8f4ea37c6b294ff3a7b4c4f66ce
SHA1

48c7c0476a8f55c73be4ff8a2e1938f65514a5da
SHA256

145d6a68dc07f5ed56f660761fa8412600d1c553bfcf67b321db725482ff991c
SHA512

632e81ce8118a5a52b5008f2cf6dd91896bb8742591ae5a5e7470ea0c72eab06054543e977476bcf5f378f27fe3af1915100b2d34c065e21c53b077308ce9196

Score

10^/10

agenttesla collection coreentity keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
Ijeomam288

Signatures

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

CoreEntity .NET Packer 1 IoCs

A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

coreentity

Processes:

resource	yara_rule
behavioral1/memory/968-56-0x00000000003E0000-0x00000000003E8000-memory.dmp	coreentity

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1364-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1364-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1364-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1364-66-0x000000000044C5DE-mapping.dmp	family_agenttesla
behavioral1/memory/1364-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1364-70-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/968-57-0x0000000004AA0000-0x0000000004AF8000-memory.dmp	rezer0

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:

PRODUCT LISTS_____PDF_____0011.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRODUCT LISTS_____PDF_____0011.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRODUCT LISTS_____PDF_____0011.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRODUCT LISTS_____PDF_____0011.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PRODUCT LISTS_____PDF_____0011.exe

description pid process target process

PID 968 set thread context of 1364 968 PRODUCT LISTS_____PDF_____0011.exe PRODUCT LISTS_____PDF_____0011.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

1428 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PRODUCT LISTS_____PDF_____0011.exe

pid process

1364 PRODUCT LISTS_____PDF_____0011.exe
1364 PRODUCT LISTS_____PDF_____0011.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PRODUCT LISTS_____PDF_____0011.exePRODUCT LISTS_____PDF_____0011.exe

description pid process

Token: SeDebugPrivilege 968 PRODUCT LISTS_____PDF_____0011.exe
Token: SeDebugPrivilege 1364 PRODUCT LISTS_____PDF_____0011.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PRODUCT LISTS_____PDF_____0011.exe

pid process

1364 PRODUCT LISTS_____PDF_____0011.exe

description	pid	process	target process
PID 968 set thread context of 1364	968	PRODUCT LISTS_____PDF_____0011.exe	PRODUCT LISTS_____PDF_____0011.exe

pid	process
1428	schtasks.exe

pid	process
1364	PRODUCT LISTS_____PDF_____0011.exe
1364	PRODUCT LISTS_____PDF_____0011.exe

description	pid	process
Token: SeDebugPrivilege	968	PRODUCT LISTS_____PDF_____0011.exe
Token: SeDebugPrivilege	1364	PRODUCT LISTS_____PDF_____0011.exe

pid	process
1364	PRODUCT LISTS_____PDF_____0011.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

PRODUCT LISTS_____PDF_____0011.exePRODUCT LISTS_____PDF_____0011.exe

description	pid	process	target process
PID 968 wrote to memory of 1428	968	PRODUCT LISTS_____PDF_____0011.exe	schtasks.exe
PID 968 wrote to memory of 1428	968	PRODUCT LISTS_____PDF_____0011.exe	schtasks.exe
PID 968 wrote to memory of 1428	968	PRODUCT LISTS_____PDF_____0011.exe	schtasks.exe
PID 968 wrote to memory of 1428	968	PRODUCT LISTS_____PDF_____0011.exe	schtasks.exe
PID 968 wrote to memory of 1364	968	PRODUCT LISTS_____PDF_____0011.exe	PRODUCT LISTS_____PDF_____0011.exe
PID 968 wrote to memory of 1364	968	PRODUCT LISTS_____PDF_____0011.exe	PRODUCT LISTS_____PDF_____0011.exe
PID 968 wrote to memory of 1364	968	PRODUCT LISTS_____PDF_____0011.exe	PRODUCT LISTS_____PDF_____0011.exe
PID 968 wrote to memory of 1364	968	PRODUCT LISTS_____PDF_____0011.exe	PRODUCT LISTS_____PDF_____0011.exe
PID 968 wrote to memory of 1364	968	PRODUCT LISTS_____PDF_____0011.exe	PRODUCT LISTS_____PDF_____0011.exe
PID 968 wrote to memory of 1364	968	PRODUCT LISTS_____PDF_____0011.exe	PRODUCT LISTS_____PDF_____0011.exe
PID 968 wrote to memory of 1364	968	PRODUCT LISTS_____PDF_____0011.exe	PRODUCT LISTS_____PDF_____0011.exe
PID 968 wrote to memory of 1364	968	PRODUCT LISTS_____PDF_____0011.exe	PRODUCT LISTS_____PDF_____0011.exe
PID 968 wrote to memory of 1364	968	PRODUCT LISTS_____PDF_____0011.exe	PRODUCT LISTS_____PDF_____0011.exe
PID 1364 wrote to memory of 1872	1364	PRODUCT LISTS_____PDF_____0011.exe	netsh.exe
PID 1364 wrote to memory of 1872	1364	PRODUCT LISTS_____PDF_____0011.exe	netsh.exe
PID 1364 wrote to memory of 1872	1364	PRODUCT LISTS_____PDF_____0011.exe	netsh.exe
PID 1364 wrote to memory of 1872	1364	PRODUCT LISTS_____PDF_____0011.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

PRODUCT LISTS_____PDF_____0011.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRODUCT LISTS_____PDF_____0011.exe

outlook_win_path 1 IoCs

Processes:

PRODUCT LISTS_____PDF_____0011.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PRODUCT LISTS_____PDF_____0011.exe

C:\Users\Admin\AppData\Local\Temp\PRODUCT LISTS_____PDF_____0011.exe
"C:\Users\Admin\AppData\Local\Temp\PRODUCT LISTS_____PDF_____0011.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:968
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RNSGPnYt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF75A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1428
- C:\Users\Admin\AppData\Local\Temp\PRODUCT LISTS_____PDF_____0011.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1364
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:1872

Network

MITRE ATT&CK Enterprise 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

System Information Discovery

1

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\Temp\tmpF75A.tmp

Filesize
1KB

MD5
3e1276e6b0cec7b97ff41607370a632c

SHA1
69e347ce6f899028a5d6a0f263a8e1145ab3da69

SHA256
094a07855a616f4eaaffb0aecf9ce4afc7ad82f9efcb48360e6a0b0296cba48b

SHA512
ca07fa210d7b1ebd0d0069b87052d5c951787a7b3cbc4e7b7c99b420a804bed94ec8d07125dac4d57044a1330c61cd1a26fa1259c1a8b2b230c072cf89491910

Download Submit
memory/968-55-0x0000000002400000-0x0000000002462000-memory.dmp

Filesize
392KB

Download
memory/968-56-0x00000000003E0000-0x00000000003E8000-memory.dmp

Filesize
32KB

Download
memory/968-57-0x0000000004AA0000-0x0000000004AF8000-memory.dmp

Filesize
352KB

Download
memory/968-54-0x0000000000990000-0x0000000000A16000-memory.dmp

Filesize
536KB

Download
memory/1364-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1364-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1364-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1364-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1364-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1364-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1364-66-0x000000000044C5DE-mapping.dmp

Download
memory/1364-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1364-71-0x0000000075B61000-0x0000000075B63000-memory.dmp

Filesize
8KB

Download
memory/1428-58-0x0000000000000000-mapping.dmp

Download
memory/1872-72-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads