agenttesla | cc51d534334fded9ebc813c4ffa0f7c46e97d17592b9973020075c91f2534105

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-09-2024 18:44

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General

Target

$TEMP/Holotype.dll
Size

41KB
MD5

4b02b0b9a0cc891ff025510c605f08bd
SHA1

42c00ef177b2b4900eb982096c31c55ea636abe9
SHA256

383d775daef2b8cb6c5d055851ca23b1328d3a75edc01d0801ae72f429b667df
SHA512

a77ee6c2ef97f2898a4d3007c03a6856d98581251e6160bddd3d5f86ed433a06c5d2edba378abad5a664478b803ac1dd3161de0c74e1f4eacfb8718a08b8843c
SSDEEP

768:zSIY+guIUaTVNRhwUmnTEDm3vyU12wftb:HYnlhNv+4U1rfZ

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ozgunakkoyun.com
Port:
587
Username:
[email protected]
Password:
FXESf0kv?lB@

Signatures

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

AgentTesla payload 3 IoCs

resource	yara_rule
behavioral17/memory/2736-6-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral17/memory/2736-4-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral17/memory/2736-3-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2696	rundll32.exe
2736	MSBuild.exe
2736	MSBuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2696	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	MSBuild.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2696	2316	rundll32.exe	30
PID 2316 wrote to memory of 2696	2316	rundll32.exe	30
PID 2316 wrote to memory of 2696	2316	rundll32.exe	30
PID 2316 wrote to memory of 2696	2316	rundll32.exe	30
PID 2316 wrote to memory of 2696	2316	rundll32.exe	30
PID 2316 wrote to memory of 2696	2316	rundll32.exe	30
PID 2316 wrote to memory of 2696	2316	rundll32.exe	30
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2696 wrote to memory of 2736	2696	rundll32.exe	31
PID 2736 wrote to memory of 2616	2736	MSBuild.exe	32
PID 2736 wrote to memory of 2616	2736	MSBuild.exe	32
PID 2736 wrote to memory of 2616	2736	MSBuild.exe	32
PID 2736 wrote to memory of 2616	2736	MSBuild.exe	32
PID 2736 wrote to memory of 2708	2736	MSBuild.exe	33
PID 2736 wrote to memory of 2708	2736	MSBuild.exe	33
PID 2736 wrote to memory of 2708	2736	MSBuild.exe	33
PID 2736 wrote to memory of 2708	2736	MSBuild.exe	33
PID 2736 wrote to memory of 2936	2736	MSBuild.exe	36
PID 2736 wrote to memory of 2936	2736	MSBuild.exe	36
PID 2736 wrote to memory of 2936	2736	MSBuild.exe	36
PID 2736 wrote to memory of 2936	2736	MSBuild.exe	36
PID 2736 wrote to memory of 2628	2736	MSBuild.exe	38
PID 2736 wrote to memory of 2628	2736	MSBuild.exe	38
PID 2736 wrote to memory of 2628	2736	MSBuild.exe	38
PID 2736 wrote to memory of 2628	2736	MSBuild.exe	38
PID 2736 wrote to memory of 776	2736	MSBuild.exe	40
PID 2736 wrote to memory of 776	2736	MSBuild.exe	40
PID 2736 wrote to memory of 776	2736	MSBuild.exe	40

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\Holotype.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\Holotype.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2736
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
      dw20.exe -x -s 516
      4⤵
      System Location Discovery: System Language Discovery
      PID:2616
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Adobe\mavinject.exe""
      4⤵
      System Location Discovery: System Language Discovery
      PID:2708
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Adobe\mavinject.exe""
      4⤵
      System Location Discovery: System Language Discovery
      PID:2936
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Adobe\mavinject.exe""
      4⤵
      System Location Discovery: System Language Discovery
      PID:2628
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Adobe\mavinject.exe""
      4⤵
      System Location Discovery: System Language Discovery
      PID:776
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Adobe\mavinject.exe""
      4⤵
      System Location Discovery: System Language Discovery
      PID:652
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Adobe\mavinject.exe""
      4⤵
      System Location Discovery: System Language Discovery
      PID:2040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2616-16-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/2616-14-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/2696-1-0x0000000000110000-0x0000000000112000-memory.dmp

Filesize
8KB

Download
memory/2696-0-0x00000000746A0000-0x00000000746F8000-memory.dmp

Filesize
352KB

Download
memory/2696-2-0x00000000750A0000-0x00000000750D5000-memory.dmp

Filesize
212KB

Download
memory/2696-11-0x00000000746A0000-0x00000000746F8000-memory.dmp

Filesize
352KB

Download
memory/2736-9-0x0000000073F40000-0x00000000744EB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-8-0x0000000073F40000-0x00000000744EB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-7-0x0000000073F41000-0x0000000073F42000-memory.dmp

Filesize
4KB

Download
memory/2736-12-0x0000000073F40000-0x00000000744EB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-3-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2736-10-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2736-13-0x0000000073F40000-0x00000000744EB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-4-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2736-15-0x0000000073F40000-0x00000000744EB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download