Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
16-04-2024 08:41
Static task
static1
Behavioral task
behavioral1
Sample
f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe
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Size
13.0MB
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MD5
f31cde8973df6ea521b90fdf8227374e
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SHA1
8bf7046fa636123c79e9e333f11c676364d038d0
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SHA256
bbc6f4150ca247ebe2375c8c2041830d73a2c3c09df021f2c69c5ba16b4912b8
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SHA512
1f20e1a8bc4914f9f774748b7d2d639506dc5d7ffdc288eb3c7f77aa8df2671c4c968dcf55f47556bee8dbe0e19c6785e538c813e7669ddd85733f82034b92e6
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SSDEEP
12288:awyc+f7Y47sgQhihFAXE6iPzp666666666666666666666666666666666666662:aw+f7VQhBW
Malware Config
Extracted
tofsee
43.231.4.6
lazystax.ru
Signatures
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Creates new service(s) 1 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3016 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\larrmayy\ImagePath = "C:\\Windows\\SysWOW64\\larrmayy\\eyadwvv.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2756 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
eyadwvv.exepid process 2364 eyadwvv.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
eyadwvv.exedescription pid process target process PID 2364 set thread context of 2756 2364 eyadwvv.exe svchost.exe -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exepid process 3696 sc.exe 3552 sc.exe 1248 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 3960 3756 WerFault.exe f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe 5112 2364 WerFault.exe eyadwvv.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exeeyadwvv.exedescription pid process target process PID 3756 wrote to memory of 2060 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe cmd.exe PID 3756 wrote to memory of 2060 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe cmd.exe PID 3756 wrote to memory of 2060 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe cmd.exe PID 3756 wrote to memory of 2956 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe cmd.exe PID 3756 wrote to memory of 2956 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe cmd.exe PID 3756 wrote to memory of 2956 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe cmd.exe PID 3756 wrote to memory of 3696 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe sc.exe PID 3756 wrote to memory of 3696 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe sc.exe PID 3756 wrote to memory of 3696 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe sc.exe PID 3756 wrote to memory of 3552 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe sc.exe PID 3756 wrote to memory of 3552 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe sc.exe PID 3756 wrote to memory of 3552 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe sc.exe PID 3756 wrote to memory of 1248 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe sc.exe PID 3756 wrote to memory of 1248 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe sc.exe PID 3756 wrote to memory of 1248 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe sc.exe PID 3756 wrote to memory of 3016 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe netsh.exe PID 3756 wrote to memory of 3016 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe netsh.exe PID 3756 wrote to memory of 3016 3756 f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe netsh.exe PID 2364 wrote to memory of 2756 2364 eyadwvv.exe svchost.exe PID 2364 wrote to memory of 2756 2364 eyadwvv.exe svchost.exe PID 2364 wrote to memory of 2756 2364 eyadwvv.exe svchost.exe PID 2364 wrote to memory of 2756 2364 eyadwvv.exe svchost.exe PID 2364 wrote to memory of 2756 2364 eyadwvv.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3756 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\larrmayy\2⤵PID:2060
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eyadwvv.exe" C:\Windows\SysWOW64\larrmayy\2⤵PID:2956
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create larrmayy binPath= "C:\Windows\SysWOW64\larrmayy\eyadwvv.exe /d\"C:\Users\Admin\AppData\Local\Temp\f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
PID:3696 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description larrmayy "wifi internet conection"2⤵
- Launches sc.exe
PID:3552 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start larrmayy2⤵
- Launches sc.exe
PID:1248 -
C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵
- Modifies Windows Firewall
PID:3016 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 10442⤵
- Program crash
PID:3960
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C:\Windows\SysWOW64\larrmayy\eyadwvv.exeC:\Windows\SysWOW64\larrmayy\eyadwvv.exe /d"C:\Users\Admin\AppData\Local\Temp\f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
PID:2756 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 5202⤵
- Program crash
PID:5112
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3756 -ip 37561⤵PID:2464
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2364 -ip 23641⤵PID:5080
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
14.3MB
MD54bbb86d3b5d359dfef2af396794aed42
SHA107c478d4871b680c12f884033db75fd87f325575
SHA256118213ad96f0eccf55e3cd69bd4a2a7710e38c12293eb7057f1a7a9a137c97b3
SHA512dff593fd6c21210ee86c79a40b855799ba770cc61f4e07c7dbe983c477c693f8baaea5a8c687d2f8529dc57f8790e607b89976f396528af0d4a78b32f258fda0