agenttesla | f4d3d1d7abd51b08b3bad84d718cb3beaf9d0513422ce276ea2cc2617c3cf889

Analysis

max time kernel
133s
max time network
181s
platform
windows7_x64
resource
win7v20210410
submitted
18/08/2021, 14:21

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General

Target
529e59864d8d624d0b6f50ed3f29ab1a.exe
Size 297KB
Sample210818-64fkmn9c8x
SHA256 f4d3d1d7abd51b08b3bad84d718cb3beaf9d0513422ce276ea2cc2617c3cf889
MD5 529e59864d8d624d0b6f50ed3f29ab1a
SHA1 ab9f4da9370828a2f03c186b99ab0fb09f397f22
SHA512 4227d264665fd926d1b633301bc37da0bb1858b1101847ba22527743e17b23371d1841c7bc971feeabca0ca658e3aafb22216c0eaa88423e1046e104910ffeab
MD5 SHA1 SHA512

Score

10^/10

agenttesla warzonerat infostealer keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

warzonerat

tobi12345.hopto.org:50501

Extracted

Family

agenttesla

https://api.telegram.org/bot1941938286:AAGAe0D246xCexnnIlc5tnVIKUh9X2ishD0/sendDocument

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
rat infostealer warzonerat

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral1/memory/1484-120-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1484-121-0x000000000043776E-mapping.dmp	family_agenttesla
behavioral1/memory/1484-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Downloads MZ/PE file

Executes dropped EXE 4 IoCs

pid	Process
1464	win32.exe
1332	win32.exe
1992	kslbkdIxJ.exe
1484	kslbkdIxJ.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\programs.bat	529e59864d8d624d0b6f50ed3f29ab1a.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\programs.bat:start	529e59864d8d624d0b6f50ed3f29ab1a.exe

Loads dropped DLL 10 IoCs

pid	Process
368	529e59864d8d624d0b6f50ed3f29ab1a.exe
1464	win32.exe
1332	win32.exe
1332	win32.exe
1332	win32.exe
1332	win32.exe
1332	win32.exe
1332	win32.exe
1332	win32.exe
1992	kslbkdIxJ.exe

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

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1656 set thread context of 368	1656	529e59864d8d624d0b6f50ed3f29ab1a.exe	29
PID 1464 set thread context of 1332	1464	win32.exe	34
PID 1992 set thread context of 1484	1992	kslbkdIxJ.exe	41

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\ProgramData:ApplicationData	529e59864d8d624d0b6f50ed3f29ab1a.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1656	529e59864d8d624d0b6f50ed3f29ab1a.exe
1656	529e59864d8d624d0b6f50ed3f29ab1a.exe
1464	win32.exe
1992	kslbkdIxJ.exe
1992	kslbkdIxJ.exe
1484	kslbkdIxJ.exe
1484	kslbkdIxJ.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1656	529e59864d8d624d0b6f50ed3f29ab1a.exe
Token: SeDebugPrivilege	1464	win32.exe
Token: SeDebugPrivilege	1992	kslbkdIxJ.exe
Token: SeDebugPrivilege	1484	kslbkdIxJ.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1332	win32.exe

Suspicious use of WriteProcessMemory 53 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 368	1656	529e59864d8d624d0b6f50ed3f29ab1a.exe	29
PID 1656 wrote to memory of 368	1656	529e59864d8d624d0b6f50ed3f29ab1a.exe	29
PID 1656 wrote to memory of 368	1656	529e59864d8d624d0b6f50ed3f29ab1a.exe	29
PID 1656 wrote to memory of 368	1656	529e59864d8d624d0b6f50ed3f29ab1a.exe	29
PID 1656 wrote to memory of 368	1656	529e59864d8d624d0b6f50ed3f29ab1a.exe	29
PID 1656 wrote to memory of 368	1656	529e59864d8d624d0b6f50ed3f29ab1a.exe	29
PID 1656 wrote to memory of 368	1656	529e59864d8d624d0b6f50ed3f29ab1a.exe	29
PID 1656 wrote to memory of 368	1656	529e59864d8d624d0b6f50ed3f29ab1a.exe	29
PID 1656 wrote to memory of 368	1656	529e59864d8d624d0b6f50ed3f29ab1a.exe	29
PID 1656 wrote to memory of 368	1656	529e59864d8d624d0b6f50ed3f29ab1a.exe	29
PID 1656 wrote to memory of 368	1656	529e59864d8d624d0b6f50ed3f29ab1a.exe	29
PID 368 wrote to memory of 552	368	529e59864d8d624d0b6f50ed3f29ab1a.exe	30
PID 368 wrote to memory of 552	368	529e59864d8d624d0b6f50ed3f29ab1a.exe	30
PID 368 wrote to memory of 552	368	529e59864d8d624d0b6f50ed3f29ab1a.exe	30
PID 368 wrote to memory of 552	368	529e59864d8d624d0b6f50ed3f29ab1a.exe	30
PID 368 wrote to memory of 1464	368	529e59864d8d624d0b6f50ed3f29ab1a.exe	32
PID 368 wrote to memory of 1464	368	529e59864d8d624d0b6f50ed3f29ab1a.exe	32
PID 368 wrote to memory of 1464	368	529e59864d8d624d0b6f50ed3f29ab1a.exe	32
PID 368 wrote to memory of 1464	368	529e59864d8d624d0b6f50ed3f29ab1a.exe	32
PID 552 wrote to memory of 1188	552	cmd.exe	33
PID 552 wrote to memory of 1188	552	cmd.exe	33
PID 552 wrote to memory of 1188	552	cmd.exe	33
PID 552 wrote to memory of 1188	552	cmd.exe	33
PID 1464 wrote to memory of 1332	1464	win32.exe	34
PID 1464 wrote to memory of 1332	1464	win32.exe	34
PID 1464 wrote to memory of 1332	1464	win32.exe	34
PID 1464 wrote to memory of 1332	1464	win32.exe	34
PID 1464 wrote to memory of 1332	1464	win32.exe	34
PID 1464 wrote to memory of 1332	1464	win32.exe	34
PID 1464 wrote to memory of 1332	1464	win32.exe	34
PID 1464 wrote to memory of 1332	1464	win32.exe	34
PID 1464 wrote to memory of 1332	1464	win32.exe	34
PID 1464 wrote to memory of 1332	1464	win32.exe	34
PID 1464 wrote to memory of 1332	1464	win32.exe	34
PID 1332 wrote to memory of 1552	1332	win32.exe	35
PID 1332 wrote to memory of 1552	1332	win32.exe	35
PID 1332 wrote to memory of 1552	1332	win32.exe	35
PID 1332 wrote to memory of 1552	1332	win32.exe	35
PID 1332 wrote to memory of 1552	1332	win32.exe	35
PID 1332 wrote to memory of 1552	1332	win32.exe	35
PID 1332 wrote to memory of 1992	1332	win32.exe	40
PID 1332 wrote to memory of 1992	1332	win32.exe	40
PID 1332 wrote to memory of 1992	1332	win32.exe	40
PID 1332 wrote to memory of 1992	1332	win32.exe	40
PID 1992 wrote to memory of 1484	1992	kslbkdIxJ.exe	41
PID 1992 wrote to memory of 1484	1992	kslbkdIxJ.exe	41
PID 1992 wrote to memory of 1484	1992	kslbkdIxJ.exe	41
PID 1992 wrote to memory of 1484	1992	kslbkdIxJ.exe	41
PID 1992 wrote to memory of 1484	1992	kslbkdIxJ.exe	41
PID 1992 wrote to memory of 1484	1992	kslbkdIxJ.exe	41
PID 1992 wrote to memory of 1484	1992	kslbkdIxJ.exe	41
PID 1992 wrote to memory of 1484	1992	kslbkdIxJ.exe	41
PID 1992 wrote to memory of 1484	1992	kslbkdIxJ.exe	41

C:\Users\Admin\AppData\Local\Temp\529e59864d8d624d0b6f50ed3f29ab1a.exe
"C:\Users\Admin\AppData\Local\Temp\529e59864d8d624d0b6f50ed3f29ab1a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Local\Temp\529e59864d8d624d0b6f50ed3f29ab1a.exe
  C:\Users\Admin\AppData\Local\Temp\529e59864d8d624d0b6f50ed3f29ab1a.exe
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - NTFS ADS
  - Suspicious use of WriteProcessMemory
  PID:368
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\win32.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:552
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\win32.exe"
      4⤵
      PID:1188
- - C:\ProgramData\win32.exe
    "C:\ProgramData\win32.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1464
  - - C:\Users\Admin\AppData\Local\Temp\win32.exe
      C:\Users\Admin\AppData\Local\Temp\win32.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1332
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe"
        5⤵
        
        PID:1552
    - - C:\Users\Admin\AppData\Roaming\kslbkdIxJ.exe
        
        "C:\Users\Admin\AppData\Roaming\kslbkdIxJ.exe"
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1992
      - C:\Users\Admin\AppData\Local\Temp\kslbkdIxJ.exe
        
        C:\Users\Admin\AppData\Local\Temp\kslbkdIxJ.exe
        6⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1484

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/368-69-0x0000000000400000-0x000000000055E000-memory.dmp

Download

memory/368-71-0x0000000075281000-0x0000000075283000-memory.dmp

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memory/368-72-0x0000000000400000-0x000000000055E000-memory.dmp

Download

memory/1332-106-0x0000000004A60000-0x00000000056AA000-memory.dmp

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memory/1332-98-0x0000000003140000-0x0000000003240000-memory.dmp

Download

memory/1332-94-0x0000000000400000-0x000000000055E000-memory.dmp

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memory/1464-79-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Download

memory/1464-82-0x00000000020E0000-0x00000000020E1000-memory.dmp

Download

memory/1484-120-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1484-126-0x0000000004310000-0x0000000004311000-memory.dmp

Download

memory/1484-124-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/1552-97-0x0000000000120000-0x0000000000121000-memory.dmp

Download

memory/1656-60-0x0000000001180000-0x0000000001181000-memory.dmp

Download

memory/1656-62-0x0000000004D00000-0x0000000004D01000-memory.dmp

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memory/1656-68-0x00000000051C0000-0x000000000521A000-memory.dmp

Download

memory/1656-63-0x0000000000E30000-0x0000000000E78000-memory.dmp

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memory/1992-105-0x0000000004C30000-0x0000000004C31000-memory.dmp

Download

memory/1992-118-0x0000000004F90000-0x0000000004FEA000-memory.dmp

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memory/1992-113-0x0000000000630000-0x000000000067E000-memory.dmp

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memory/1992-103-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

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