agenttesla | 526d6cde87c2b1c82a4d15da609e6661f7e13983d2ed2c53f061e994668a047e

Analysis

max time kernel
121s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 21:30

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General

Target

SecuriteInfo.com.Win32.CrypterX-gen.13618.8536.exe
Size

985KB
MD5

40ecdcf0eb8804ebfcd7b6cf80459349
SHA1

2ba3b24de2e94dd6d72a5c0f93abca878b96e67b
SHA256

526d6cde87c2b1c82a4d15da609e6661f7e13983d2ed2c53f061e994668a047e
SHA512

b2271e8f1e30b26eeb5494b70ec5a9f2bda060d580857c42ea3fa9a12b90a5f3b3dce474cf3104264d67649c5792df2e9ba1a8efbbb1d16b6d44343dddfc5b77
SSDEEP

24576:4av3XrjJQ5B8pnzTMMFEOBW3UuSa9oFhcr:4uJDZvMOnMExk06

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/sendDocument

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/4236-138-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	MSBuild.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2340 set thread context of 4236	2340	SecuriteInfo.com.Win32.CrypterX-gen.13618.8536.exe	85

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2340	SecuriteInfo.com.Win32.CrypterX-gen.13618.8536.exe
4236	MSBuild.exe
4236	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2340	SecuriteInfo.com.Win32.CrypterX-gen.13618.8536.exe
Token: SeDebugPrivilege	4236	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 4236	2340	SecuriteInfo.com.Win32.CrypterX-gen.13618.8536.exe	85
PID 2340 wrote to memory of 4236	2340	SecuriteInfo.com.Win32.CrypterX-gen.13618.8536.exe	85
PID 2340 wrote to memory of 4236	2340	SecuriteInfo.com.Win32.CrypterX-gen.13618.8536.exe	85
PID 2340 wrote to memory of 4236	2340	SecuriteInfo.com.Win32.CrypterX-gen.13618.8536.exe	85
PID 2340 wrote to memory of 4236	2340	SecuriteInfo.com.Win32.CrypterX-gen.13618.8536.exe	85
PID 2340 wrote to memory of 4236	2340	SecuriteInfo.com.Win32.CrypterX-gen.13618.8536.exe	85
PID 2340 wrote to memory of 4236	2340	SecuriteInfo.com.Win32.CrypterX-gen.13618.8536.exe	85
PID 2340 wrote to memory of 4236	2340	SecuriteInfo.com.Win32.CrypterX-gen.13618.8536.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.13618.8536.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.13618.8536.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4236

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2340-132-0x0000000000010000-0x000000000010C000-memory.dmp

Filesize
1008KB

Download
memory/2340-133-0x0000000005160000-0x0000000005704000-memory.dmp

Filesize
5.6MB

Download
memory/2340-134-0x0000000004AB0000-0x0000000004B42000-memory.dmp

Filesize
584KB

Download
memory/2340-135-0x0000000004BB0000-0x0000000004C4C000-memory.dmp

Filesize
624KB

Download
memory/2340-136-0x0000000004AA0000-0x0000000004AAA000-memory.dmp

Filesize
40KB

Download
memory/4236-138-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4236-139-0x00000000065A0000-0x0000000006606000-memory.dmp

Filesize
408KB

Download
memory/4236-140-0x0000000006710000-0x0000000006760000-memory.dmp

Filesize
320KB

Download