943c6c60e2dbdfd988653557b179e1e01da1485907eb5be689c4a8d8f214f1e8

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/04/2024, 14:43

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General

Target

f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe
Size

5.1MB
MD5

f8376d2197dfb79b35c4b6ef6649e858
SHA1

de300b93701fd9d26a382dd0bff8ebda390f3001
SHA256

943c6c60e2dbdfd988653557b179e1e01da1485907eb5be689c4a8d8f214f1e8
SHA512

fc5cb381f3b3527e392ac4b75af47d789169feac3b1f60c0878d59ef91befed0c06a256db9b865a3dac5fd72c69d78a48ffb2795a737d82030a8f04b5c98bfc7
SSDEEP

98304:Fi4bVlCVF9RAgbcowBg8EmX5LBdXjNIBNjoAYoetH:E4BlCVLRAgIoR8EStB6BTe

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/1460-4-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-37-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-39-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-41-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-42-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-43-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-44-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-45-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-46-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-47-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-48-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-49-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-50-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-51-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-52-0x0000000000400000-0x0000000001318000-memory.dmp	themida
behavioral1/memory/1460-53-0x0000000000400000-0x0000000001318000-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\Windows32 = "C:\\Arquivos de programas\\Windows32.exe"	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\reg_0043.txt	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe

Launches sc.exe 1 IoCs

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

pid	Process
2612	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
2628	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 2628	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	28
PID 1460 wrote to memory of 2628	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	28
PID 1460 wrote to memory of 2628	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	28
PID 1460 wrote to memory of 2628	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	28
PID 1460 wrote to memory of 2612	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	30
PID 1460 wrote to memory of 2612	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	30
PID 1460 wrote to memory of 2612	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	30
PID 1460 wrote to memory of 2612	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	30
PID 1460 wrote to memory of 2792	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	32
PID 1460 wrote to memory of 2792	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	32
PID 1460 wrote to memory of 2792	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	32
PID 1460 wrote to memory of 2792	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	32
PID 1460 wrote to memory of 2660	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	33
PID 1460 wrote to memory of 2660	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	33
PID 1460 wrote to memory of 2660	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	33
PID 1460 wrote to memory of 2660	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	33
PID 1460 wrote to memory of 2632	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	34
PID 1460 wrote to memory of 2632	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	34
PID 1460 wrote to memory of 2632	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	34
PID 1460 wrote to memory of 2632	1460	f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8376d2197dfb79b35c4b6ef6649e858_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1460
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
  2⤵
  - Creates scheduled task(s)
  PID:2628
- C:\Windows\SysWOW64\sc.exe
  sc delete GbpSv
  2⤵
  - Launches sc.exe
  PID:2612
- 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:2792
- 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:2660
- 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:2632

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/1460-1-0x0000000002B80000-0x0000000002C67000-memory.dmp

Filesize
924KB

Download
memory/1460-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1460-4-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-7-0x0000000005B10000-0x0000000005B11000-memory.dmp

Filesize
4KB

Download
memory/1460-8-0x0000000005AD0000-0x0000000005AD2000-memory.dmp

Filesize
8KB

Download
memory/1460-5-0x0000000005B30000-0x0000000005B31000-memory.dmp

Filesize
4KB

Download
memory/1460-9-0x0000000005AC0000-0x0000000005AC1000-memory.dmp

Filesize
4KB

Download
memory/1460-11-0x0000000005AB0000-0x0000000005AB1000-memory.dmp

Filesize
4KB

Download
memory/1460-17-0x0000000005B50000-0x0000000005B51000-memory.dmp

Filesize
4KB

Download
memory/1460-31-0x0000000005BF0000-0x0000000005BF1000-memory.dmp

Filesize
4KB

Download
memory/1460-30-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

Filesize
4KB

Download
memory/1460-29-0x0000000005AF0000-0x0000000005AF1000-memory.dmp

Filesize
4KB

Download
memory/1460-28-0x0000000005B00000-0x0000000005B01000-memory.dmp

Filesize
4KB

Download
memory/1460-32-0x0000000005B40000-0x0000000005B41000-memory.dmp

Filesize
4KB

Download
memory/1460-27-0x0000000005C50000-0x0000000005C51000-memory.dmp

Filesize
4KB

Download
memory/1460-26-0x0000000005C80000-0x0000000005C81000-memory.dmp

Filesize
4KB

Download
memory/1460-25-0x0000000005BE0000-0x0000000005BE1000-memory.dmp

Filesize
4KB

Download
memory/1460-35-0x0000000005C40000-0x0000000005C41000-memory.dmp

Filesize
4KB

Download
memory/1460-34-0x0000000005C30000-0x0000000005C31000-memory.dmp

Filesize
4KB

Download
memory/1460-33-0x0000000005B90000-0x0000000005B91000-memory.dmp

Filesize
4KB

Download
memory/1460-24-0x0000000005F40000-0x0000000005F42000-memory.dmp

Filesize
8KB

Download
memory/1460-23-0x0000000005C90000-0x0000000005C91000-memory.dmp

Filesize
4KB

Download
memory/1460-22-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1460-21-0x0000000005C70000-0x0000000005C71000-memory.dmp

Filesize
4KB

Download
memory/1460-36-0x0000000005E50000-0x0000000005E52000-memory.dmp

Filesize
8KB

Download
memory/1460-20-0x0000000005C20000-0x0000000005C21000-memory.dmp

Filesize
4KB

Download
memory/1460-19-0x0000000005C60000-0x0000000005C61000-memory.dmp

Filesize
4KB

Download
memory/1460-18-0x0000000005BD0000-0x0000000005BD2000-memory.dmp

Filesize
8KB

Download
memory/1460-16-0x0000000005C10000-0x0000000005C11000-memory.dmp

Filesize
4KB

Download
memory/1460-15-0x0000000005B60000-0x0000000005B61000-memory.dmp

Filesize
4KB

Download
memory/1460-14-0x0000000005BC0000-0x0000000005BC1000-memory.dmp

Filesize
4KB

Download
memory/1460-13-0x0000000005BB0000-0x0000000005BB1000-memory.dmp

Filesize
4KB

Download
memory/1460-12-0x0000000005BA0000-0x0000000005BA1000-memory.dmp

Filesize
4KB

Download
memory/1460-10-0x0000000005B20000-0x0000000005B21000-memory.dmp

Filesize
4KB

Download
memory/1460-37-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-38-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1460-39-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-40-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1460-41-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-42-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-43-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-44-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-45-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-46-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-47-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-48-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-49-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-50-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-51-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-52-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download
memory/1460-53-0x0000000000400000-0x0000000001318000-memory.dmp

Filesize
15.1MB

Download