Analysis
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max time kernel
146s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
15-04-2024 21:46
Static task
static1
Behavioral task
behavioral1
Sample
f1fef622821788beb88015c369117693_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f1fef622821788beb88015c369117693_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
f1fef622821788beb88015c369117693_JaffaCakes118.exe
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Size
13.1MB
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MD5
f1fef622821788beb88015c369117693
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SHA1
63b323c8ca7c73beec434ba9f30d98dc4bec9e87
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SHA256
94f8d13f54940706972abc5eac4ce0c559fafa2b4c9f17ce14fe2e368ee5a203
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SHA512
d08c4c2a533bcc40e139ec15e2edc45d9d16cdd3c9a317f545a9e7affb881c2776097c6ccde17deb303adefeb86f36eea9142713012bca2ec2c2dc6219b37aaa
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SSDEEP
98304:12UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUk:1
Malware Config
Extracted
tofsee
43.231.4.7
lazystax.ru
Signatures
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Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\rbmuyczf = "0" svchost.exe -
Creates new service(s) 1 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2548 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\rbmuyczf\ImagePath = "C:\\Windows\\SysWOW64\\rbmuyczf\\baminxhu.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 3052 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
baminxhu.exepid process 2468 baminxhu.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
baminxhu.exedescription pid process target process PID 2468 set thread context of 3052 2468 baminxhu.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 2896 sc.exe 2528 sc.exe 2828 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 30 IoCs
Processes:
f1fef622821788beb88015c369117693_JaffaCakes118.exebaminxhu.exedescription pid process target process PID 3036 wrote to memory of 1988 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe cmd.exe PID 3036 wrote to memory of 1988 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe cmd.exe PID 3036 wrote to memory of 1988 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe cmd.exe PID 3036 wrote to memory of 1988 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe cmd.exe PID 3036 wrote to memory of 2620 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe cmd.exe PID 3036 wrote to memory of 2620 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe cmd.exe PID 3036 wrote to memory of 2620 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe cmd.exe PID 3036 wrote to memory of 2620 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe cmd.exe PID 3036 wrote to memory of 2896 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe sc.exe PID 3036 wrote to memory of 2896 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe sc.exe PID 3036 wrote to memory of 2896 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe sc.exe PID 3036 wrote to memory of 2896 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe sc.exe PID 3036 wrote to memory of 2528 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe sc.exe PID 3036 wrote to memory of 2528 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe sc.exe PID 3036 wrote to memory of 2528 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe sc.exe PID 3036 wrote to memory of 2528 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe sc.exe PID 3036 wrote to memory of 2828 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe sc.exe PID 3036 wrote to memory of 2828 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe sc.exe PID 3036 wrote to memory of 2828 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe sc.exe PID 3036 wrote to memory of 2828 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe sc.exe PID 3036 wrote to memory of 2548 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe netsh.exe PID 3036 wrote to memory of 2548 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe netsh.exe PID 3036 wrote to memory of 2548 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe netsh.exe PID 3036 wrote to memory of 2548 3036 f1fef622821788beb88015c369117693_JaffaCakes118.exe netsh.exe PID 2468 wrote to memory of 3052 2468 baminxhu.exe svchost.exe PID 2468 wrote to memory of 3052 2468 baminxhu.exe svchost.exe PID 2468 wrote to memory of 3052 2468 baminxhu.exe svchost.exe PID 2468 wrote to memory of 3052 2468 baminxhu.exe svchost.exe PID 2468 wrote to memory of 3052 2468 baminxhu.exe svchost.exe PID 2468 wrote to memory of 3052 2468 baminxhu.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f1fef622821788beb88015c369117693_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f1fef622821788beb88015c369117693_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rbmuyczf\2⤵PID:1988
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\baminxhu.exe" C:\Windows\SysWOW64\rbmuyczf\2⤵PID:2620
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create rbmuyczf binPath= "C:\Windows\SysWOW64\rbmuyczf\baminxhu.exe /d\"C:\Users\Admin\AppData\Local\Temp\f1fef622821788beb88015c369117693_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
PID:2896 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description rbmuyczf "wifi internet conection"2⤵
- Launches sc.exe
PID:2528 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start rbmuyczf2⤵
- Launches sc.exe
PID:2828 -
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:2548
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C:\Windows\SysWOW64\rbmuyczf\baminxhu.exeC:\Windows\SysWOW64\rbmuyczf\baminxhu.exe /d"C:\Users\Admin\AppData\Local\Temp\f1fef622821788beb88015c369117693_JaffaCakes118.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2468 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:3052
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
11.1MB
MD56012175c55ad0f4387fa16915b346de4
SHA1e6292c2b01f71b2082e7ef57fad79ab28a42df3a
SHA256826945d8396b62b3e20926b50dc5f2931bdf8cda1fca6e75f56f954de61873ad
SHA512c10db0199beeb88377cd112d674198a1bcb7b071903e90b3ba56b15e470ae5680ee634f9942c1444f116aee351f7c4369a883631dac0c2bae275fe69ee96abee