agenttesla | 23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79

Analysis

max time kernel
67s
max time network
54s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
01-05-2024 01:09

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General

Target

23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe
Size

3.1MB
MD5

446de202491c9e236094f393ec6d2e2b
SHA1

bd346858ad56960bf2c859a345095d25ba935edb
SHA256

23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79
SHA512

2a80cb198944f5234dfeedf94b09a1ecfa6e0700a3e26a33d9cb14b00ae017228f571dc4bfd707312aa4531336303de36a3c37cf8f2b0dce2a1695d0ac5e7369
SSDEEP

49152:4zBfc7DCBU8DVHcGwlZFuWUYKcxJ6E4Xw84LLIwrSOpGBNGCh+LBnOZ7mc+KT:4zuwj96KS4gzpn0p9vT

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.kenvue.cam
Port:
21
Username:
[email protected]
Password:
fmreport12345

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral2/memory/3092-5-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

resource	yara_rule
behavioral2/memory/3092-5-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs

resource	yara_rule
behavioral2/memory/3092-5-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables packed with or use KoiVM 1 IoCs

resource	yara_rule
behavioral2/memory/2948-4-0x0000021A584E0000-0x0000021A58576000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

resource	yara_rule
behavioral2/memory/3092-5-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/3092-5-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/3092-5-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/3092-5-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "C:\\Users\\Admin\\AppData\\Roaming\\chrome\\chrome.exe"	msbuild.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2948 set thread context of 3092	2948	23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3092	msbuild.exe
3092	msbuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2948	23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe
Token: SeDebugPrivilege	3092	msbuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 3092	2948	23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe	89
PID 2948 wrote to memory of 3092	2948	23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe	89
PID 2948 wrote to memory of 3092	2948	23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe	89
PID 2948 wrote to memory of 3092	2948	23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe	89
PID 2948 wrote to memory of 3092	2948	23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe	89
PID 2948 wrote to memory of 3092	2948	23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe	89
PID 2948 wrote to memory of 3092	2948	23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe	89
PID 2948 wrote to memory of 3092	2948	23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe	89
PID 2948 wrote to memory of 4524	2948	23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe	90
PID 2948 wrote to memory of 4524	2948	23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe	90
PID 2948 wrote to memory of 4524	2948	23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe	90

C:\Users\Admin\AppData\Local\Temp\23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe
"C:\Users\Admin\AppData\Local\Temp\23f7673e7c2c82ad3fc28053b843654f6b8c6001ea61f33c9bb8ecad069d4d79.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948
- 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:3092
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:4524

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/2948-0-0x0000021A3DAB0000-0x0000021A3DD36000-memory.dmp

Filesize
2.5MB

Download
memory/2948-1-0x00007FFBF4740000-0x00007FFBF5201000-memory.dmp

Filesize
10.8MB

Download
memory/2948-2-0x0000021A3E100000-0x0000021A3E110000-memory.dmp

Filesize
64KB

Download
memory/2948-3-0x0000021A581C0000-0x0000021A58446000-memory.dmp

Filesize
2.5MB

Download
memory/2948-4-0x0000021A584E0000-0x0000021A58576000-memory.dmp

Filesize
600KB

Download
memory/2948-10-0x00007FFBF4740000-0x00007FFBF5201000-memory.dmp

Filesize
10.8MB

Download
memory/3092-8-0x00000000059C0000-0x00000000059D0000-memory.dmp

Filesize
64KB

Download
memory/3092-6-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/3092-7-0x0000000005F80000-0x0000000006524000-memory.dmp

Filesize
5.6MB

Download
memory/3092-9-0x0000000005920000-0x0000000005986000-memory.dmp

Filesize
408KB

Download
memory/3092-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3092-13-0x0000000006C00000-0x0000000006C50000-memory.dmp

Filesize
320KB

Download
memory/3092-14-0x0000000006CF0000-0x0000000006D82000-memory.dmp

Filesize
584KB

Download
memory/3092-15-0x0000000006C80000-0x0000000006C8A000-memory.dmp

Filesize
40KB

Download
memory/3092-16-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/3092-17-0x00000000059C0000-0x00000000059D0000-memory.dmp

Filesize
64KB

Download