agenttesla | db802f34784957d3338aeb17fa23e3206d00dba3c5874e9bdfae25edb0691dda

Analysis

max time kernel
142s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2023, 00:32

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General

Target

SecuriteInfo.com.Win32.CrypterX-gen.2687.24925.exe
Size

1.1MB
MD5

d7d8b4814ef189a5038a0c72d3db507a
SHA1

a4857611f1da196593a390ad9cfce380399ffc8f
SHA256

db802f34784957d3338aeb17fa23e3206d00dba3c5874e9bdfae25edb0691dda
SHA512

5d33a48b4adef572c06144821716cef3bee3e8b7affcac66c3cec65ae1778f4b64f5bfd188d0c63022ae21a36e139f03d8ff19e3a2f8a5d1ba833f22309e9077
SSDEEP

24576:8s82gTbQXfAgN2T5Oma9p1DqOkmdq0asUSzDfO/1yHas8k:oOmnOkKasUSaf

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.exceltruea.com
Port:
587
Username:
[email protected]
Password:
innocentchinedu
Email To:
[email protected]

Signatures

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Atuzuuma = "C:\\Users\\Admin\\AppData\\Roaming\\Atuzuuma.exe"	SecuriteInfo.com.Win32.CrypterX-gen.2687.24925.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wSStSI = "C:\\Users\\Admin\\AppData\\Roaming\\wSStSI\\wSStSI.exe"	MSBuild.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
16	api.ipify.org
17	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4108 set thread context of 3484	4108	SecuriteInfo.com.Win32.CrypterX-gen.2687.24925.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3484	MSBuild.exe
3484	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4108	SecuriteInfo.com.Win32.CrypterX-gen.2687.24925.exe
Token: SeDebugPrivilege	3484	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 3484	4108	SecuriteInfo.com.Win32.CrypterX-gen.2687.24925.exe	86
PID 4108 wrote to memory of 3484	4108	SecuriteInfo.com.Win32.CrypterX-gen.2687.24925.exe	86
PID 4108 wrote to memory of 3484	4108	SecuriteInfo.com.Win32.CrypterX-gen.2687.24925.exe	86
PID 4108 wrote to memory of 3484	4108	SecuriteInfo.com.Win32.CrypterX-gen.2687.24925.exe	86
PID 4108 wrote to memory of 3484	4108	SecuriteInfo.com.Win32.CrypterX-gen.2687.24925.exe	86
PID 4108 wrote to memory of 3484	4108	SecuriteInfo.com.Win32.CrypterX-gen.2687.24925.exe	86
PID 4108 wrote to memory of 3484	4108	SecuriteInfo.com.Win32.CrypterX-gen.2687.24925.exe	86
PID 4108 wrote to memory of 3484	4108	SecuriteInfo.com.Win32.CrypterX-gen.2687.24925.exe	86

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.2687.24925.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.2687.24925.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4108
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3484-1088-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3484-1095-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download
memory/3484-1094-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3484-1093-0x0000000006B00000-0x0000000006B50000-memory.dmp

Filesize
320KB

Download
memory/3484-1091-0x00000000056F0000-0x0000000005756000-memory.dmp

Filesize
408KB

Download
memory/3484-1090-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download
memory/3484-1087-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4108-41-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-49-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-11-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-13-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-15-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-17-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-19-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-21-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-23-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-25-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-27-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-29-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-31-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-33-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-35-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-37-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-39-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-0-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4108-43-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-45-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-47-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-9-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-51-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-53-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-55-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-57-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-59-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-61-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-63-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-65-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-67-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-69-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-1082-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4108-1083-0x0000000005F10000-0x0000000005F11000-memory.dmp

Filesize
4KB

Download
memory/4108-7-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-6-0x00000000084B0000-0x0000000008575000-memory.dmp

Filesize
788KB

Download
memory/4108-5-0x0000000005AB0000-0x0000000005ABA000-memory.dmp

Filesize
40KB

Download
memory/4108-1089-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4108-4-0x0000000005C50000-0x0000000005C60000-memory.dmp

Filesize
64KB

Download
memory/4108-3-0x0000000005B00000-0x0000000005B92000-memory.dmp

Filesize
584KB

Download
memory/4108-2-0x0000000006010000-0x00000000065B4000-memory.dmp

Filesize
5.6MB

Download
memory/4108-1-0x0000000000FD0000-0x00000000010E4000-memory.dmp

Filesize
1.1MB

Download