95f7a1337f9f8d3c1fe306a14920e1c045c52cd91152a8e457ac264fdfe69dd3

Analysis

max time kernel
30s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
10-01-2024 05:34

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General

Target

4fb7b4638c7339017fea94f19f0fb4d8.exe
Size

1.3MB
MD5

4fb7b4638c7339017fea94f19f0fb4d8
SHA1

fdaf4ea4112c0739b7bab55b3a5258918a739cd8
SHA256

95f7a1337f9f8d3c1fe306a14920e1c045c52cd91152a8e457ac264fdfe69dd3
SHA512

0c931963b1e049c73283b13167480034b48bb3d78cbb2fb3edc409a35a82d15b25fbadc32f5f3cdda59a13de257aa9149a07fff70700dbd3b291b5834073f6b7
SSDEEP

24576:7CSTSXo9EgkiIQheJ8JnnKzAmXC5bzgi/yBianG2iMtTu8ucR+2ePTs11zVntLF:7CSTeYBkizQnczgi/eVGetx/R+2ePwp

Score

7^/10

evasion themida

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2036	wintask.exe
1804	wintask.exe
1304	wintask.exe

Identifies Wine through registry keys 2 TTPs 4 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Wine	wintask.exe
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Wine	4fb7b4638c7339017fea94f19f0fb4d8.exe
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Wine	wintask.exe
Key opened	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Wine	wintask.exe

Loads dropped DLL 6 IoCs

pid	Process
1720	4fb7b4638c7339017fea94f19f0fb4d8.exe
1720	4fb7b4638c7339017fea94f19f0fb4d8.exe
2036	wintask.exe
2036	wintask.exe
1804	wintask.exe
1804	wintask.exe

Themida packer 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1720-51-0x0000000000400000-0x00000000006F4000-memory.dmp	themida
behavioral1/files/0x000a000000012251-50.dat	themida
behavioral1/memory/2036-35-0x0000000000400000-0x00000000006F4000-memory.dmp	themida
behavioral1/memory/2036-31-0x0000000000400000-0x00000000006F4000-memory.dmp	themida
behavioral1/memory/1720-30-0x0000000004A70000-0x0000000004D64000-memory.dmp	themida
behavioral1/memory/1720-6-0x0000000000400000-0x00000000006F4000-memory.dmp	themida
behavioral1/memory/1720-0-0x0000000000400000-0x00000000006F4000-memory.dmp	themida
behavioral1/memory/1804-83-0x0000000000400000-0x00000000006F4000-memory.dmp	themida
behavioral1/memory/1804-108-0x0000000000400000-0x00000000006F4000-memory.dmp	themida
behavioral1/memory/1304-135-0x0000000000400000-0x00000000006F4000-memory.dmp	themida
behavioral1/memory/2564-138-0x0000000000400000-0x00000000006F4000-memory.dmp	themida

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wintask.exe	wintask.exe
File created	C:\Windows\SysWOW64\wintask.exe	wintask.exe
File created	C:\Windows\SysWOW64\wintask.exe	4fb7b4638c7339017fea94f19f0fb4d8.exe
File opened for modification	C:\Windows\SysWOW64\wintask.exe	4fb7b4638c7339017fea94f19f0fb4d8.exe
File opened for modification	C:\Windows\SysWOW64\wintask.exe	wintask.exe
File created	C:\Windows\SysWOW64\wintask.exe	wintask.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1720	4fb7b4638c7339017fea94f19f0fb4d8.exe
2036	wintask.exe
1804	wintask.exe
1304	wintask.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2036	1720	4fb7b4638c7339017fea94f19f0fb4d8.exe	15
PID 1720 wrote to memory of 2036	1720	4fb7b4638c7339017fea94f19f0fb4d8.exe	15
PID 1720 wrote to memory of 2036	1720	4fb7b4638c7339017fea94f19f0fb4d8.exe	15
PID 1720 wrote to memory of 2036	1720	4fb7b4638c7339017fea94f19f0fb4d8.exe	15
PID 2036 wrote to memory of 1804	2036	wintask.exe	29
PID 2036 wrote to memory of 1804	2036	wintask.exe	29
PID 2036 wrote to memory of 1804	2036	wintask.exe	29
PID 2036 wrote to memory of 1804	2036	wintask.exe	29
PID 1804 wrote to memory of 1304	1804	wintask.exe	30
PID 1804 wrote to memory of 1304	1804	wintask.exe	30
PID 1804 wrote to memory of 1304	1804	wintask.exe	30
PID 1804 wrote to memory of 1304	1804	wintask.exe	30

C:\Users\Admin\AppData\Local\Temp\4fb7b4638c7339017fea94f19f0fb4d8.exe
"C:\Users\Admin\AppData\Local\Temp\4fb7b4638c7339017fea94f19f0fb4d8.exe"
1⤵
- Identifies Wine through registry keys
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\wintask.exe
  C:\Windows\system32\wintask.exe 648 "C:\Users\Admin\AppData\Local\Temp\4fb7b4638c7339017fea94f19f0fb4d8.exe"
  2⤵
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2036
- - C:\Windows\SysWOW64\wintask.exe
    C:\Windows\system32\wintask.exe 704 "C:\Windows\SysWOW64\wintask.exe"
    3⤵
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Loads dropped DLL
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1804
  - - C:\Windows\SysWOW64\wintask.exe
      C:\Windows\system32\wintask.exe 708 "C:\Windows\SysWOW64\wintask.exe"
      4⤵
      Executes dropped EXE
      Identifies Wine through registry keys
      Suspicious behavior: EnumeratesProcesses
      PID:1304
    - - C:\Windows\SysWOW64\wintask.exe
        
        C:\Windows\system32\wintask.exe 716 "C:\Windows\SysWOW64\wintask.exe"
        5⤵
        
        PID:2564
      - C:\Windows\SysWOW64\wintask.exe
        
        C:\Windows\system32\wintask.exe 712 "C:\Windows\SysWOW64\wintask.exe"
        6⤵
        
        PID:1404
        
        C:\Windows\SysWOW64\wintask.exe
        
        C:\Windows\system32\wintask.exe 720 "C:\Windows\SysWOW64\wintask.exe"
        7⤵
        
        PID:1760
        
        C:\Windows\SysWOW64\wintask.exe
        
        C:\Windows\system32\wintask.exe 724 "C:\Windows\SysWOW64\wintask.exe"
        8⤵
        
        PID:2740
        
        C:\Windows\SysWOW64\wintask.exe
        
        C:\Windows\system32\wintask.exe 736 "C:\Windows\SysWOW64\wintask.exe"
        9⤵
        
        PID:1320
        
        C:\Windows\SysWOW64\wintask.exe
        
        C:\Windows\system32\wintask.exe 732 "C:\Windows\SysWOW64\wintask.exe"
        10⤵
        
        PID:2248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\wintask.exe

Filesize
1.3MB

MD5
4fb7b4638c7339017fea94f19f0fb4d8

SHA1
fdaf4ea4112c0739b7bab55b3a5258918a739cd8

SHA256
95f7a1337f9f8d3c1fe306a14920e1c045c52cd91152a8e457ac264fdfe69dd3

SHA512
0c931963b1e049c73283b13167480034b48bb3d78cbb2fb3edc409a35a82d15b25fbadc32f5f3cdda59a13de257aa9149a07fff70700dbd3b291b5834073f6b7

Download Submit
memory/1304-110-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1304-135-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1320-284-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1320-258-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1404-195-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1404-167-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1720-6-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1720-11-0x00000000041F0000-0x00000000041F1000-memory.dmp

Filesize
4KB

Download
memory/1720-51-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1720-16-0x00000000041E0000-0x00000000041E1000-memory.dmp

Filesize
4KB

Download
memory/1720-33-0x00000000041D0000-0x00000000041D1000-memory.dmp

Filesize
4KB

Download
memory/1720-23-0x0000000004230000-0x0000000004231000-memory.dmp

Filesize
4KB

Download
memory/1720-2-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/1720-0-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1720-1-0x0000000001F50000-0x0000000002041000-memory.dmp

Filesize
964KB

Download
memory/1720-15-0x0000000004240000-0x0000000004241000-memory.dmp

Filesize
4KB

Download
memory/1720-8-0x0000000004270000-0x0000000004271000-memory.dmp

Filesize
4KB

Download
memory/1720-9-0x0000000004220000-0x0000000004222000-memory.dmp

Filesize
8KB

Download
memory/1720-10-0x00000000042C0000-0x00000000042C1000-memory.dmp

Filesize
4KB

Download
memory/1720-17-0x00000000042D0000-0x00000000042D1000-memory.dmp

Filesize
4KB

Download
memory/1720-12-0x0000000004200000-0x0000000004201000-memory.dmp

Filesize
4KB

Download
memory/1720-34-0x0000000004A70000-0x0000000004D64000-memory.dmp

Filesize
3.0MB

Download
memory/1720-13-0x00000000042B0000-0x00000000042B2000-memory.dmp

Filesize
8KB

Download
memory/1720-14-0x00000000042E0000-0x00000000042E1000-memory.dmp

Filesize
4KB

Download
memory/1720-30-0x0000000004A70000-0x0000000004D64000-memory.dmp

Filesize
3.0MB

Download
memory/1720-22-0x0000000004260000-0x0000000004261000-memory.dmp

Filesize
4KB

Download
memory/1720-21-0x0000000004300000-0x0000000004301000-memory.dmp

Filesize
4KB

Download
memory/1720-20-0x00000000042A0000-0x00000000042A1000-memory.dmp

Filesize
4KB

Download
memory/1720-19-0x0000000004290000-0x0000000004292000-memory.dmp

Filesize
8KB

Download
memory/1720-18-0x00000000041B0000-0x00000000041B1000-memory.dmp

Filesize
4KB

Download
memory/1760-198-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1760-225-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1804-66-0x0000000004270000-0x0000000004271000-memory.dmp

Filesize
4KB

Download
memory/1804-68-0x00000000042B0000-0x00000000042B1000-memory.dmp

Filesize
4KB

Download
memory/1804-108-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1804-83-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1804-63-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1804-65-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1804-67-0x0000000004220000-0x0000000004222000-memory.dmp

Filesize
8KB

Download
memory/1804-69-0x00000000041F0000-0x00000000041F1000-memory.dmp

Filesize
4KB

Download
memory/1804-70-0x0000000004200000-0x0000000004201000-memory.dmp

Filesize
4KB

Download
memory/1804-71-0x00000000042A0000-0x00000000042A2000-memory.dmp

Filesize
8KB

Download
memory/1804-72-0x00000000042D0000-0x00000000042D1000-memory.dmp

Filesize
4KB

Download
memory/1804-73-0x00000000042C0000-0x00000000042C1000-memory.dmp

Filesize
4KB

Download
memory/1804-64-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1804-78-0x00000000042E0000-0x00000000042E1000-memory.dmp

Filesize
4KB

Download
memory/1804-79-0x0000000004260000-0x0000000004261000-memory.dmp

Filesize
4KB

Download
memory/1804-74-0x0000000004240000-0x0000000004241000-memory.dmp

Filesize
4KB

Download
memory/1804-77-0x0000000004290000-0x0000000004291000-memory.dmp

Filesize
4KB

Download
memory/1804-76-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download
memory/1804-75-0x00000000041E0000-0x00000000041E1000-memory.dmp

Filesize
4KB

Download
memory/2036-59-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2036-42-0x00000000042D0000-0x00000000042D1000-memory.dmp

Filesize
4KB

Download
memory/2036-58-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/2036-41-0x00000000042A0000-0x00000000042A2000-memory.dmp

Filesize
8KB

Download
memory/2036-40-0x00000000041F0000-0x00000000041F1000-memory.dmp

Filesize
4KB

Download
memory/2036-39-0x00000000041E0000-0x00000000041E1000-memory.dmp

Filesize
4KB

Download
memory/2036-31-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/2036-38-0x00000000042B0000-0x00000000042B1000-memory.dmp

Filesize
4KB

Download
memory/2036-43-0x00000000042C0000-0x00000000042C1000-memory.dmp

Filesize
4KB

Download
memory/2036-37-0x0000000004220000-0x0000000004221000-memory.dmp

Filesize
4KB

Download
memory/2036-36-0x0000000004270000-0x0000000004271000-memory.dmp

Filesize
4KB

Download
memory/2036-62-0x00000000049A0000-0x0000000004C94000-memory.dmp

Filesize
3.0MB

Download
memory/2036-61-0x0000000004200000-0x0000000004201000-memory.dmp

Filesize
4KB

Download
memory/2036-60-0x0000000000B30000-0x0000000000B32000-memory.dmp

Filesize
8KB

Download
memory/2036-49-0x0000000004260000-0x0000000004261000-memory.dmp

Filesize
4KB

Download
memory/2036-54-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/2036-35-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/2036-32-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2036-44-0x0000000004240000-0x0000000004241000-memory.dmp

Filesize
4KB

Download
memory/2036-45-0x00000000041D0000-0x00000000041D1000-memory.dmp

Filesize
4KB

Download
memory/2036-80-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/2036-48-0x00000000042E0000-0x00000000042E1000-memory.dmp

Filesize
4KB

Download
memory/2036-46-0x00000000008D0000-0x00000000008D1000-memory.dmp

Filesize
4KB

Download
memory/2036-52-0x0000000004230000-0x0000000004231000-memory.dmp

Filesize
4KB

Download
memory/2036-53-0x0000000004250000-0x0000000004251000-memory.dmp

Filesize
4KB

Download
memory/2036-47-0x0000000004290000-0x0000000004291000-memory.dmp

Filesize
4KB

Download
memory/2564-164-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/2564-138-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/2740-228-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/2740-254-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download