fcbbd9fa4e2458a10241b4d50e9fce9de68a64a1afc53b5a647f90fae7ba3efa

Analysis

max time kernel
127s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 04:51

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General

Target

0f1acd4f9e721e22897073985f9e2116.exe
Size

4.0MB
MD5

0f1acd4f9e721e22897073985f9e2116
SHA1

a3271f82509676cbbdb4e74a6425a54443443881
SHA256

fcbbd9fa4e2458a10241b4d50e9fce9de68a64a1afc53b5a647f90fae7ba3efa
SHA512

1aadfcc5fdb9e767a3823f60e659817845d08ab0cb8b7307b1e92865abd6e12782ea2d4b115af0ae445a8b1da1429c8d4e3086bab1fac3951c371d830acefbdc
SSDEEP

98304:Idk4JfSKbza2K3YUu7hoBBjiKiy/ZCvwaFo9OSku:I+6bpK3LT2KDIoaF6OSk

Score

8^/10

evasion persistence themida

Malware Config

Signatures

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\ControlSet001\Control\SESSION MANAGER\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	reg.exe
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

Themida packer 16 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1720-1-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-37-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-38-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-40-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-41-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-42-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-43-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-44-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-45-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-46-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-47-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-48-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-49-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-50-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-51-0x0000000000400000-0x00000000017A7000-memory.dmp	themida
behavioral1/memory/1720-52-0x0000000000400000-0x00000000017A7000-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\Windows Movie Maker = "C:\\Arquivos de programas\\RunDLL31.exe"	0f1acd4f9e721e22897073985f9e2116.exe

Launches sc.exe 1 IoCs

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

pid	Process
2272	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
2140	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1720	0f1acd4f9e721e22897073985f9e2116.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1720	0f1acd4f9e721e22897073985f9e2116.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2140	1720	0f1acd4f9e721e22897073985f9e2116.exe	19
PID 1720 wrote to memory of 2140	1720	0f1acd4f9e721e22897073985f9e2116.exe	19
PID 1720 wrote to memory of 2140	1720	0f1acd4f9e721e22897073985f9e2116.exe	19
PID 1720 wrote to memory of 2140	1720	0f1acd4f9e721e22897073985f9e2116.exe	19
PID 1720 wrote to memory of 2272	1720	0f1acd4f9e721e22897073985f9e2116.exe	28
PID 1720 wrote to memory of 2272	1720	0f1acd4f9e721e22897073985f9e2116.exe	28
PID 1720 wrote to memory of 2272	1720	0f1acd4f9e721e22897073985f9e2116.exe	28
PID 1720 wrote to memory of 2272	1720	0f1acd4f9e721e22897073985f9e2116.exe	28
PID 1720 wrote to memory of 2288	1720	0f1acd4f9e721e22897073985f9e2116.exe	26
PID 1720 wrote to memory of 2288	1720	0f1acd4f9e721e22897073985f9e2116.exe	26
PID 1720 wrote to memory of 2288	1720	0f1acd4f9e721e22897073985f9e2116.exe	26
PID 1720 wrote to memory of 2288	1720	0f1acd4f9e721e22897073985f9e2116.exe	26
PID 1720 wrote to memory of 1812	1720	0f1acd4f9e721e22897073985f9e2116.exe	25
PID 1720 wrote to memory of 1812	1720	0f1acd4f9e721e22897073985f9e2116.exe	25
PID 1720 wrote to memory of 1812	1720	0f1acd4f9e721e22897073985f9e2116.exe	25
PID 1720 wrote to memory of 1812	1720	0f1acd4f9e721e22897073985f9e2116.exe	25
PID 1720 wrote to memory of 2292	1720	0f1acd4f9e721e22897073985f9e2116.exe	24
PID 1720 wrote to memory of 2292	1720	0f1acd4f9e721e22897073985f9e2116.exe	24
PID 1720 wrote to memory of 2292	1720	0f1acd4f9e721e22897073985f9e2116.exe	24
PID 1720 wrote to memory of 2292	1720	0f1acd4f9e721e22897073985f9e2116.exe	24

C:\Users\Admin\AppData\Local\Temp\0f1acd4f9e721e22897073985f9e2116.exe
"C:\Users\Admin\AppData\Local\Temp\0f1acd4f9e721e22897073985f9e2116.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
  2⤵
  - Creates scheduled task(s)
  PID:2140
- 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:2292
- 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:1812
- 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:2288
- C:\Windows\SysWOW64\sc.exe
  sc delete GbpSv
  2⤵
  - Launches sc.exe
  PID:2272

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/1720-31-0x00000000064A0000-0x00000000064A1000-memory.dmp

Filesize
4KB

Download
memory/1720-32-0x0000000006580000-0x0000000006581000-memory.dmp

Filesize
4KB

Download
memory/1720-30-0x0000000001880000-0x0000000001881000-memory.dmp

Filesize
4KB

Download
memory/1720-33-0x0000000006600000-0x0000000006601000-memory.dmp

Filesize
4KB

Download
memory/1720-29-0x0000000006450000-0x0000000006452000-memory.dmp

Filesize
8KB

Download
memory/1720-26-0x00000000064E0000-0x00000000064E1000-memory.dmp

Filesize
4KB

Download
memory/1720-25-0x0000000006530000-0x0000000006531000-memory.dmp

Filesize
4KB

Download
memory/1720-24-0x0000000006880000-0x0000000006882000-memory.dmp

Filesize
8KB

Download
memory/1720-23-0x00000000065C0000-0x00000000065C1000-memory.dmp

Filesize
4KB

Download
memory/1720-22-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1720-21-0x00000000065D0000-0x00000000065D1000-memory.dmp

Filesize
4KB

Download
memory/1720-20-0x00000000065A0000-0x00000000065A1000-memory.dmp

Filesize
4KB

Download
memory/1720-19-0x0000000006560000-0x0000000006561000-memory.dmp

Filesize
4KB

Download
memory/1720-18-0x00000000064B0000-0x00000000064B1000-memory.dmp

Filesize
4KB

Download
memory/1720-17-0x0000000006620000-0x0000000006621000-memory.dmp

Filesize
4KB

Download
memory/1720-28-0x00000000065B0000-0x00000000065B1000-memory.dmp

Filesize
4KB

Download
memory/1720-27-0x00000000064D0000-0x00000000064D1000-memory.dmp

Filesize
4KB

Download
memory/1720-16-0x0000000006590000-0x0000000006591000-memory.dmp

Filesize
4KB

Download
memory/1720-15-0x00000000065F0000-0x00000000065F1000-memory.dmp

Filesize
4KB

Download
memory/1720-14-0x0000000006520000-0x0000000006522000-memory.dmp

Filesize
8KB

Download
memory/1720-13-0x00000000065E0000-0x00000000065E1000-memory.dmp

Filesize
4KB

Download
memory/1720-12-0x0000000006550000-0x0000000006551000-memory.dmp

Filesize
4KB

Download
memory/1720-11-0x00000000064C0000-0x00000000064C1000-memory.dmp

Filesize
4KB

Download
memory/1720-10-0x0000000006500000-0x0000000006501000-memory.dmp

Filesize
4KB

Download
memory/1720-9-0x0000000006510000-0x0000000006511000-memory.dmp

Filesize
4KB

Download
memory/1720-8-0x00000000064F0000-0x00000000064F1000-memory.dmp

Filesize
4KB

Download
memory/1720-7-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/1720-6-0x0000000006470000-0x0000000006471000-memory.dmp

Filesize
4KB

Download
memory/1720-5-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1720-4-0x0000000001870000-0x0000000001872000-memory.dmp

Filesize
8KB

Download
memory/1720-3-0x0000000006460000-0x0000000006461000-memory.dmp

Filesize
4KB

Download
memory/1720-2-0x0000000006480000-0x0000000006481000-memory.dmp

Filesize
4KB

Download
memory/1720-1-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-36-0x0000000006570000-0x0000000006571000-memory.dmp

Filesize
4KB

Download
memory/1720-35-0x0000000006780000-0x0000000006782000-memory.dmp

Filesize
8KB

Download
memory/1720-34-0x0000000006610000-0x0000000006611000-memory.dmp

Filesize
4KB

Download
memory/1720-37-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-38-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-39-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1720-40-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-41-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-42-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-43-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-44-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-45-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-46-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-47-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-48-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-49-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-50-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-51-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download
memory/1720-52-0x0000000000400000-0x00000000017A7000-memory.dmp

Filesize
19.7MB

Download