Analysis
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max time kernel
134s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
29-08-2024 03:59
Static task
static1
Behavioral task
behavioral1
Sample
c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
reefer.dll
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
reefer.dll
Resource
win10v2004-20240802-en
General
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Target
c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe
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Size
255KB
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MD5
c831720fb411d5fd4400cf50f74b7245
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SHA1
5497b79574be3011b6f79af264e89e3666626ad6
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SHA256
4aa5011c326557c30dd7ff7a0876db6d9015f9bcc1a2169fd6e28b2bcf233c06
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SHA512
e9e90d86931c24bfd0a96c7d6431e64c859d2c4865480408a338101ed7548bbe8443df8be148215a7670a1f848dc72619e3bda53c338db11df4695efcac58d9a
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SSDEEP
6144:0kyacNKIjGAP4PiIz9/d3wtoixPEgyGXT/KsGta+of7DnHKc7igrW8:0kiZv492to4Hb/KTv2Xqc7HJ
Malware Config
Extracted
C:\Users\Admin\Music\_README_JNRZWK_.hta
Signatures
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Cerber
Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.
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Contacts a large (589) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe -
Drops startup file 1 IoCs
description ioc Process File opened for modification \??\c:\users\admin\appdata\roaming\microsoft\word\startup\ c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe -
Loads dropped DLL 3 IoCs
pid Process 3128 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 3128 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 3128 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/4236-14-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4236-17-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4236-19-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4236-18-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4236-20-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4236-25-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4236-26-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4236-28-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4236-30-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4236-33-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4236-32-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4236-516-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4236-540-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4236-546-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4236-551-0x0000000000400000-0x0000000000434000-memory.dmp upx -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmp5B36.bmp" c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3128 set thread context of 4236 3128 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 98 -
Drops file in Program Files directory 20 IoCs
description ioc Process File opened for modification \??\c:\program files\ c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\ c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\bitcoin c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\microsoft sql server c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\microsoft\powerpoint c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\office c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\steam c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\microsoft\microsoft sql server c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\microsoft\onenote c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\thunderbird c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\microsoft\excel c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\microsoft\word c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\onenote c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\outlook c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\powerpoint c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\word c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\excel c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\microsoft\office c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\microsoft\outlook c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe File opened for modification \??\c:\program files (x86)\the bat! c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification \??\c:\windows\ c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mshta.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2824 PING.EXE -
Kills process with taskkill 1 IoCs
pid Process 1068 taskkill.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000_Classes\Local Settings c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2824 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeShutdownPrivilege 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe Token: 33 3888 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 3888 AUDIODG.EXE Token: SeDebugPrivilege 1068 taskkill.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3128 wrote to memory of 4236 3128 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 98 PID 3128 wrote to memory of 4236 3128 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 98 PID 3128 wrote to memory of 4236 3128 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 98 PID 3128 wrote to memory of 4236 3128 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 98 PID 3128 wrote to memory of 4236 3128 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 98 PID 3128 wrote to memory of 4236 3128 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 98 PID 3128 wrote to memory of 4236 3128 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 98 PID 3128 wrote to memory of 4236 3128 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 98 PID 3128 wrote to memory of 4236 3128 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 98 PID 4236 wrote to memory of 3588 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 109 PID 4236 wrote to memory of 3588 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 109 PID 4236 wrote to memory of 3588 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 109 PID 4236 wrote to memory of 1872 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 110 PID 4236 wrote to memory of 1872 4236 c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe 110 PID 1872 wrote to memory of 1068 1872 cmd.exe 112 PID 1872 wrote to memory of 1068 1872 cmd.exe 112 PID 1872 wrote to memory of 2824 1872 cmd.exe 113 PID 1872 wrote to memory of 2824 1872 cmd.exe 113
Processes
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C:\Users\Admin\AppData\Local\Temp\c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3128 -
C:\Users\Admin\AppData\Local\Temp\c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe"2⤵
- Checks computer location settings
- Drops startup file
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4236 -
C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\_README_FGVSO_.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
- System Location Discovery: System Language Discovery
PID:3588
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:1872 -
C:\Windows\system32\taskkill.exetaskkill /f /im "c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe"4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1068
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C:\Windows\system32\PING.EXEping -n 1 127.0.0.14⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2824
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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 --field-trial-handle=4340,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:81⤵PID:3680
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x478 0x3f81⤵
- Suspicious use of AdjustPrivilegeToken
PID:3888
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD5fc90dfb694d0e17b013d6f818bce41b0
SHA13243969886d640af3bfa442728b9f0dff9d5f5b0
SHA2567fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
SHA512324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6
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Filesize
100KB
MD53f5244090a5b3a807d59afbb50f3b529
SHA177d9d718b50673eb179adea0d4137bd0a931825e
SHA256a389fafef3429061990ec264c0049e721b45ebffe07b0317f2e8155ebe2912d2
SHA5129c3a6b43152d751fb5d3252111395ede7e5ef3e8c4e39d20f2d7424aa8f37858372d9846d3b4c7130ee563699b1ceb4323369995d2565e3d7b19ea48d55922f6
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Filesize
64KB
MD52bed64d1c61008f9d28c169109bb4d67
SHA152cb30fd98ccb71b4c03551f9129a63c981591d7
SHA2563157373ee77a98b503fc8970a60eecbdab2eaabac3fc74452a2115922ae5e95f
SHA512c27337ffd62133b14ed81d392e0ce4e218f5593bc34b0e6bf771171adebed6d33f3e3ee710e9b62708536fb248a2f56d1767ebd9623ca9ef1bc9c78c8878e1f4