agenttesla | b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12/06/2024, 02:03

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General

Target
b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe
Size 2.3MB
Sample240612-cgnglaydja
SHA256 b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106
MD5 39b87e27d213375bb5c94cf386a6aaf5
SHA1 8ff9e7355ad1691a675dc0e86686266fd509d4d6
SHA512 20f168eadf44aa82efb6ded020310b0a8cd215cc86c2c86c4fb53620921ecb70dd14756b542d0fba06862ddc3cca76d471b7c7590a87c232c356bed9d7438657
SSDEEP 3072:LnJX2tdtyOHWZV59Sr8wv+mI8UYQw4eY1ZVyd/BRfFglJhlwYxveNwa9KqwX9Tp2:LnJ0
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
ftp
Host
ftp://ftp.normagroup.com.tr
Port
21
Username
[email protected]
Password
Qb.X[.j.Yfm[

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/3640-4-0x0000000000400000-0x0000000000440000-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/3640-4-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

resource	yara_rule
behavioral2/memory/1416-3-0x0000025A46C60000-0x0000025A46CF2000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

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

resource	yara_rule
behavioral2/memory/3640-4-0x0000000000400000-0x0000000000440000-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/3640-4-0x0000000000400000-0x0000000000440000-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/3640-4-0x0000000000400000-0x0000000000440000-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/3640-4-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1416 set thread context of 3640	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3640	regsvcs.exe
3640	regsvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3640	regsvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3640	regsvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1416 wrote to memory of 2472	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	85
PID 1416 wrote to memory of 2472	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	85
PID 1416 wrote to memory of 2472	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	85
PID 1416 wrote to memory of 3640	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	86
PID 1416 wrote to memory of 3640	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	86
PID 1416 wrote to memory of 3640	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	86
PID 1416 wrote to memory of 3640	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	86
PID 1416 wrote to memory of 3640	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	86
PID 1416 wrote to memory of 3640	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	86
PID 1416 wrote to memory of 3640	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	86
PID 1416 wrote to memory of 3640	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	86
PID 1416 wrote to memory of 3792	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	87
PID 1416 wrote to memory of 3792	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	87
PID 1416 wrote to memory of 3792	1416	b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe	87

C:\Users\Admin\AppData\Local\Temp\b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe
"C:\Users\Admin\AppData\Local\Temp\b61ac5944e5ea917cdfafc56beff6b0c14c073aea71336f939bae1a7bb432106.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:2472
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3640
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
  2⤵
  PID:3792

Network

MITRE ATT&CK Matrix

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Downloads

memory/1416-9-0x00007FFA4C3A0000-0x00007FFA4CE61000-memory.dmp

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memory/1416-1-0x0000025A2BFE0000-0x0000025A2C226000-memory.dmp

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memory/1416-2-0x00007FFA4C3A0000-0x00007FFA4CE61000-memory.dmp

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memory/1416-3-0x0000025A46C60000-0x0000025A46CF2000-memory.dmp

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memory/1416-0-0x00007FFA4C3A3000-0x00007FFA4C3A5000-memory.dmp

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memory/3640-10-0x0000000006050000-0x00000000060A0000-memory.dmp

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memory/3640-5-0x000000007545E000-0x000000007545F000-memory.dmp

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memory/3640-8-0x0000000075450000-0x0000000075C00000-memory.dmp

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memory/3640-6-0x00000000055D0000-0x0000000005B74000-memory.dmp

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memory/3640-4-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/3640-7-0x0000000005120000-0x0000000005186000-memory.dmp

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memory/3640-11-0x0000000006140000-0x00000000061D2000-memory.dmp

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memory/3640-12-0x00000000062E0000-0x00000000062EA000-memory.dmp

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memory/3640-13-0x000000007545E000-0x000000007545F000-memory.dmp

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memory/3640-14-0x0000000075450000-0x0000000075C00000-memory.dmp

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