67a735e78321eaf41d1de5fcbc93c97c29ef8bf84a881701ffd59587f5e046e1

Analysis

max time kernel
155s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 01:44

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General

Target

1856778a22934a42352044e5dc12c4f9_JaffaCakes118.exe
Size

704KB
MD5

1856778a22934a42352044e5dc12c4f9
SHA1

fb1807bc938c0b4bf957a328e56ed6d5d45c7b75
SHA256

67a735e78321eaf41d1de5fcbc93c97c29ef8bf84a881701ffd59587f5e046e1
SHA512

718618759a8ebf2073734f1cf8038438888c348262e11c80ae1b5f75e9243c91c5c4ae58fd070963b6827b335ed4e1c431551944ff8818e27b1f298a84c402db
SSDEEP

12288:g47scyuYU1kcY5VaYSD3MqmpplpGoGL3etQoMiXM8gFf/Sj4yPY:DsXuNkJSD+563ey8gVqj4yw

Score

10^/10

aspackv2 persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	services.exe

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	services.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	services.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000b000000022ff2-32.dat	aspack_v212_v242

Executes dropped EXE 3 IoCs

pid	Process
2144	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe
3092	fservice.exe
1100	services.exe

Loads dropped DLL 5 IoCs

pid	Process
1100	services.exe
1100	services.exe
1100	services.exe
3092	fservice.exe
2144	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe

UPX packed file 13 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000800000002325a-6.dat	upx
behavioral2/memory/2144-8-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2144-10-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/3092-20-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2144-29-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/3092-45-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/1100-46-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/2144-52-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/1100-54-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/1100-56-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/1100-58-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/1100-60-0x0000000000400000-0x00000000005FC000-memory.dmp	upx
behavioral2/memory/1100-62-0x0000000000400000-0x00000000005FC000-memory.dmp	upx

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	services.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File created	C:\Windows\SysWOW64\winkey.dll	services.exe
File created	C:\Windows\SysWOW64\reginv.dll	services.exe
File created	C:\Windows\SysWOW64\fservice.exe	services.exe
File created	C:\Windows\SysWOW64\fservice.exe	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe
File created	C:\Windows\SysWOW64\fservice.exe	fservice.exe

Drops file in Windows directory 11 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\sservice.exe	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe
File created	C:\Windows\services.exe	fservice.exe
File opened for modification	C:\Windows\services.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe
File created	C:\Windows\server prorat 1.9 versiunea care va trebui bindata cu altceva.exe.nb5.tmp	1856778a22934a42352044e5dc12c4f9_JaffaCakes118.exe
File created	C:\Windows\server prorat 1.9 versiunea care va trebui bindata cu altceva.exe	1856778a22934a42352044e5dc12c4f9_JaffaCakes118.exe
File created	C:\Windows\system\sservice.exe	fservice.exe
File opened for modification	C:\Windows\system\sservice.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	services.exe
File created	C:\Windows\server prorat 1.9 versiunea care va trebui bindata cu altceva.exe.bat	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe
File created	C:\Windows\tzapa.jpg	1856778a22934a42352044e5dc12c4f9_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe
1100	services.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1100	services.exe
1100	services.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3152 wrote to memory of 2144	3152	1856778a22934a42352044e5dc12c4f9_JaffaCakes118.exe	95
PID 3152 wrote to memory of 2144	3152	1856778a22934a42352044e5dc12c4f9_JaffaCakes118.exe	95
PID 3152 wrote to memory of 2144	3152	1856778a22934a42352044e5dc12c4f9_JaffaCakes118.exe	95
PID 2144 wrote to memory of 3092	2144	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe	100
PID 2144 wrote to memory of 3092	2144	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe	100
PID 2144 wrote to memory of 3092	2144	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe	100
PID 3092 wrote to memory of 1100	3092	fservice.exe	101
PID 3092 wrote to memory of 1100	3092	fservice.exe	101
PID 3092 wrote to memory of 1100	3092	fservice.exe	101
PID 1100 wrote to memory of 4620	1100	services.exe	103
PID 1100 wrote to memory of 4620	1100	services.exe	103
PID 1100 wrote to memory of 4620	1100	services.exe	103
PID 1100 wrote to memory of 1260	1100	services.exe	104
PID 1100 wrote to memory of 1260	1100	services.exe	104
PID 1100 wrote to memory of 1260	1100	services.exe	104
PID 1260 wrote to memory of 3876	1260	NET.exe	107
PID 4620 wrote to memory of 32	4620	NET.exe	108
PID 1260 wrote to memory of 3876	1260	NET.exe	107
PID 4620 wrote to memory of 32	4620	NET.exe	108
PID 4620 wrote to memory of 32	4620	NET.exe	108
PID 1260 wrote to memory of 3876	1260	NET.exe	107
PID 2144 wrote to memory of 4600	2144	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe	111
PID 2144 wrote to memory of 4600	2144	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe	111
PID 2144 wrote to memory of 4600	2144	server prorat 1.9 versiunea care va trebui bindata cu altceva.exe	111

C:\Users\Admin\AppData\Local\Temp\1856778a22934a42352044e5dc12c4f9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1856778a22934a42352044e5dc12c4f9_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Windows\server prorat 1.9 versiunea care va trebui bindata cu altceva.exe
  "C:\Windows\server prorat 1.9 versiunea care va trebui bindata cu altceva.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Adds policy Run key to start application
  - Boot or Logon Autostart Execution: Active Setup
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies WinLogon
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:2144
- - C:\Windows\SysWOW64\fservice.exe
    C:\Windows\system32\fservice.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - Drops file in Windows directory
    - Suspicious use of WriteProcessMemory
    PID:3092
  - - C:\Windows\services.exe
      C:\Windows\services.exe -XP
      4⤵
      Modifies WinLogon for persistence
      Adds policy Run key to start application
      Boot or Logon Autostart Execution: Active Setup
      Executes dropped EXE
      Loads dropped DLL
      Modifies WinLogon
      Drops file in System32 directory
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1100
    - - C:\Windows\SysWOW64\NET.exe
        
        NET STOP srservice
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4620
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP srservice
        6⤵
        
        PID:32
    - - C:\Windows\SysWOW64\NET.exe
        
        NET STOP navapsvc
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1260
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 STOP navapsvc
        6⤵
        
        PID:3876
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Windows\server prorat 1.9 versiunea care va trebui bindata cu altceva.exe.bat""
    3⤵
    PID:4600

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:4916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\reginv.dll

Filesize
36KB

MD5
562e0d01d6571fa2251a1e9f54c6cc69

SHA1
83677ad3bc630aa6327253c7b3deffbd4a8ce905

SHA256
c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

SHA512
166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

Download Submit
C:\Windows\SysWOW64\winkey.dll

Filesize
13KB

MD5
b4c72da9fd1a0dcb0698b7da97daa0cd

SHA1
b25a79e8ea4c723c58caab83aed6ea48de7ed759

SHA256
45d266269634ba2de70f179a26d7224111e677e66b38dff2802851b71ce4458f

SHA512
f5f184416c5381d275bc093c9275e9fdb35c58e2c401d188aef097950013de6e43269da5d4dd5e7baea34735bd7de664d15fe487b2292fd66926c9845b0cd066

Download Submit
C:\Windows\server prorat 1.9 versiunea care va trebui bindata cu altceva.exe

Filesize
342KB

MD5
12465c7856de8674ae0a05baa93d150a

SHA1
c211614f220618167c4c04315f5de99faaafa2df

SHA256
0795948304349b3bd6742db67d6acc8ee41371566db7ef0b4c7f5e8041866fff

SHA512
b5fc069619b8bfa04c00afb111ff614705efd0fb1f48e4b7ee927d82dafec8905b9ba0652c8e35697564243be44db0b0ef0a89a5231de65145d57b3b962ebee0

Download Submit
C:\Windows\server prorat 1.9 versiunea care va trebui bindata cu altceva.exe.bat

Filesize
87B

MD5
2ea09ac846871131c86f9bd569f7c3a3

SHA1
4641863cb3b5a9270a2a1f3d4473febc126ac256

SHA256
251049868f740dbb3cbe956c6fd8be9768c6b3dd5e6b0bb46b83cfe987664710

SHA512
3d73061274705fc392075b5beb44b69626310cdef39e7c21ea722b99f92c341e9f1248aba16fe44e00ed4aeb67cde0f1a017e150fc502f0dd1445a856903f09d

Download Submit
memory/1100-54-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/1100-56-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/1100-46-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/1100-62-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/1100-48-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/1100-34-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/1100-60-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/1100-58-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2144-10-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2144-8-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2144-18-0x00000000024C0000-0x00000000024C1000-memory.dmp

Filesize
4KB

Download
memory/2144-52-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2144-9-0x00000000024C0000-0x00000000024C1000-memory.dmp

Filesize
4KB

Download
memory/2144-29-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/3092-21-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

Filesize
4KB

Download
memory/3092-45-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/3092-20-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download