9c94c0ed0fbd1d5f998b0987b20943ed38b020ca01fd6014fda8020bad2b256f

Analysis

max time kernel
187s
max time network
112s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29-12-2023 21:23

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General

Target

045dc8058cb94c3ad1ed194ef99f8c03.exe
Size

5.0MB
MD5

045dc8058cb94c3ad1ed194ef99f8c03
SHA1

40ca603cafc0e1900dd4b71b1b6c3e9beafcff99
SHA256

9c94c0ed0fbd1d5f998b0987b20943ed38b020ca01fd6014fda8020bad2b256f
SHA512

64a2ffcc82946c7bc4050de703ffa7ebdf0239a7d50a67465b3b55864a0f1b843a7337669e28e18bc5e3c2ddc1acb7c141691148e999e518027571f305aad426
SSDEEP

98304:Q6qoaYIlQ2M5cYE6o6ySrmfvh7t+c8vpYTUfdv3LyXTcri:Q6sZo5cYRoVvRt+Rh0CdvbyX

Score

8^/10

evasion persistence themida

Malware Config

Signatures

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
656	netsh.exe

Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Uses Session Manager for persistence 2 TTPs 3 IoCs

Creates Session Manager registry key to run executable early in system boot.

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Control\Session Manager\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	reg.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SESSION MANAGER\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	reg.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SESSION MANAGER\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	reg.exe

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/3036-0-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-6-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-19-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-25-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-29-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-32-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-42-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-43-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-47-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-48-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-49-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-50-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-51-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-52-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-53-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-54-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-55-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida
behavioral1/memory/3036-56-0x0000000000400000-0x0000000001CD5000-memory.dmp	themida

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Winexec32 = "C:\\windows\\winexec32.exe"	045dc8058cb94c3ad1ed194ef99f8c03.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\reg_0001.txt	045dc8058cb94c3ad1ed194ef99f8c03.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\windows\system\win.exe	045dc8058cb94c3ad1ed194ef99f8c03.exe
File opened for modification	C:\windows\system\win.exe	045dc8058cb94c3ad1ed194ef99f8c03.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1068	sc.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2044	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3036	045dc8058cb94c3ad1ed194ef99f8c03.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3036	045dc8058cb94c3ad1ed194ef99f8c03.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2044	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	29
PID 3036 wrote to memory of 2044	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	29
PID 3036 wrote to memory of 2044	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	29
PID 3036 wrote to memory of 2044	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	29
PID 3036 wrote to memory of 1068	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	31
PID 3036 wrote to memory of 1068	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	31
PID 3036 wrote to memory of 1068	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	31
PID 3036 wrote to memory of 1068	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	31
PID 3036 wrote to memory of 2780	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	32
PID 3036 wrote to memory of 2780	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	32
PID 3036 wrote to memory of 2780	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	32
PID 3036 wrote to memory of 2780	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	32
PID 3036 wrote to memory of 2460	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	34
PID 3036 wrote to memory of 2460	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	34
PID 3036 wrote to memory of 2460	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	34
PID 3036 wrote to memory of 2460	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	34
PID 3036 wrote to memory of 740	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	35
PID 3036 wrote to memory of 740	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	35
PID 3036 wrote to memory of 740	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	35
PID 3036 wrote to memory of 740	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	35
PID 3036 wrote to memory of 656	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	39
PID 3036 wrote to memory of 656	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	39
PID 3036 wrote to memory of 656	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	39
PID 3036 wrote to memory of 656	3036	045dc8058cb94c3ad1ed194ef99f8c03.exe	39

C:\Users\Admin\AppData\Local\Temp\045dc8058cb94c3ad1ed194ef99f8c03.exe
"C:\Users\Admin\AppData\Local\Temp\045dc8058cb94c3ad1ed194ef99f8c03.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn startt /tr c:\setup.bat /sc onstart /ru system
  2⤵
  - Creates scheduled task(s)
  PID:2044
- C:\Windows\SysWOW64\sc.exe
  sc delete GbpSv
  2⤵
  - Launches sc.exe
  PID:1068
- C:\Windows\SysWOW64\reg.exe
  reg add "HKLM\SYSTEM\ControlSet001\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
  2⤵
  - Uses Session Manager for persistence
  PID:2780
- C:\Windows\SysWOW64\reg.exe
  reg add "HKLM\SYSTEM\ControlSet002\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
  2⤵
  - Uses Session Manager for persistence
  PID:2460
- C:\Windows\SysWOW64\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
  2⤵
  - Uses Session Manager for persistence
  PID:740
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram C:\windows\system\win.exe RPCCC
  2⤵
  - Modifies Windows Firewall
  PID:656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

memory/3036-0-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-2-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/3036-1-0x00000000002E0000-0x00000000003C1000-memory.dmp

Filesize
900KB

Download
memory/3036-4-0x0000000006DF0000-0x0000000006DF1000-memory.dmp

Filesize
4KB

Download
memory/3036-6-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-7-0x0000000006E70000-0x0000000006E71000-memory.dmp

Filesize
4KB

Download
memory/3036-9-0x0000000006E10000-0x0000000006E12000-memory.dmp

Filesize
8KB

Download
memory/3036-8-0x0000000006E50000-0x0000000006E51000-memory.dmp

Filesize
4KB

Download
memory/3036-10-0x0000000006E60000-0x0000000006E61000-memory.dmp

Filesize
4KB

Download
memory/3036-18-0x0000000006F90000-0x0000000006F91000-memory.dmp

Filesize
4KB

Download
memory/3036-17-0x0000000006F00000-0x0000000006F01000-memory.dmp

Filesize
4KB

Download
memory/3036-16-0x0000000006E90000-0x0000000006E91000-memory.dmp

Filesize
4KB

Download
memory/3036-15-0x0000000006F40000-0x0000000006F41000-memory.dmp

Filesize
4KB

Download
memory/3036-14-0x0000000006EA0000-0x0000000006EA1000-memory.dmp

Filesize
4KB

Download
memory/3036-13-0x0000000006EF0000-0x0000000006EF2000-memory.dmp

Filesize
8KB

Download
memory/3036-12-0x0000000006ED0000-0x0000000006ED1000-memory.dmp

Filesize
4KB

Download
memory/3036-11-0x0000000006E00000-0x0000000006E01000-memory.dmp

Filesize
4KB

Download
memory/3036-19-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-21-0x0000000006F50000-0x0000000006F51000-memory.dmp

Filesize
4KB

Download
memory/3036-20-0x0000000006E80000-0x0000000006E81000-memory.dmp

Filesize
4KB

Download
memory/3036-22-0x0000000006FA0000-0x0000000006FA1000-memory.dmp

Filesize
4KB

Download
memory/3036-23-0x0000000006FD0000-0x0000000006FD1000-memory.dmp

Filesize
4KB

Download
memory/3036-24-0x0000000001D70000-0x0000000001D71000-memory.dmp

Filesize
4KB

Download
memory/3036-25-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-27-0x0000000007280000-0x0000000007282000-memory.dmp

Filesize
8KB

Download
memory/3036-26-0x0000000006EE0000-0x0000000006EE1000-memory.dmp

Filesize
4KB

Download
memory/3036-28-0x0000000006F10000-0x0000000006F11000-memory.dmp

Filesize
4KB

Download
memory/3036-29-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-30-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/3036-31-0x0000000006FC0000-0x0000000006FC1000-memory.dmp

Filesize
4KB

Download
memory/3036-32-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-33-0x0000000006F80000-0x0000000006F81000-memory.dmp

Filesize
4KB

Download
memory/3036-34-0x0000000006E40000-0x0000000006E41000-memory.dmp

Filesize
4KB

Download
memory/3036-37-0x0000000006E20000-0x0000000006E21000-memory.dmp

Filesize
4KB

Download
memory/3036-36-0x0000000006E30000-0x0000000006E31000-memory.dmp

Filesize
4KB

Download
memory/3036-40-0x0000000006F20000-0x0000000006F21000-memory.dmp

Filesize
4KB

Download
memory/3036-38-0x0000000001D70000-0x0000000001D71000-memory.dmp

Filesize
4KB

Download
memory/3036-41-0x0000000006EC0000-0x0000000006EC1000-memory.dmp

Filesize
4KB

Download
memory/3036-42-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-43-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-44-0x0000000006F60000-0x0000000006F61000-memory.dmp

Filesize
4KB

Download
memory/3036-46-0x0000000006F70000-0x0000000006F71000-memory.dmp

Filesize
4KB

Download
memory/3036-45-0x0000000007190000-0x0000000007192000-memory.dmp

Filesize
8KB

Download
memory/3036-47-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-48-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-49-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-50-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-51-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-52-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-53-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-54-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-55-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download
memory/3036-56-0x0000000000400000-0x0000000001CD5000-memory.dmp

Filesize
24.8MB

Download