Overview
overview
9Static
static
37681b2aa2b...18.exe
windows7-x64
77681b2aa2b...18.exe
windows10-2004-x64
7InstallTools.exe
windows7-x64
1InstallTools.exe
windows10-2004-x64
1bytefence-....7.exe
windows7-x64
4bytefence-....7.exe
windows10-2004-x64
4$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...dl.dll
windows7-x64
3$PLUGINSDI...dl.dll
windows10-2004-x64
3ByteFence.exe
windows7-x64
9ByteFence.exe
windows10-2004-x64
6ByteFenceGUI.dll
windows7-x64
1ByteFenceGUI.dll
windows10-2004-x64
1ByteFenceScan.exe
windows7-x64
1ByteFenceScan.exe
windows10-2004-x64
1ByteFenceService.exe
windows7-x64
1ByteFenceService.exe
windows10-2004-x64
1Microsoft....nt.dll
windows7-x64
1Microsoft....nt.dll
windows10-2004-x64
1Microsoft....er.dll
windows7-x64
1Microsoft....er.dll
windows10-2004-x64
1amd64/Kern...ol.dll
windows10-2004-x64
1amd64/msdia140.dll
windows7-x64
7amd64/msdia140.dll
windows10-2004-x64
7protobuf-net.dll
windows7-x64
1protobuf-net.dll
windows10-2004-x64
1rsEngine.dll
windows7-x64
1Analysis
- max time kernel
164s - max time network
175s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
26/05/2024, 19:02
Static task
static1
Behavioral task
behavioral1
Sample
7681b2aa2bb005968cb791f4c14acc08_JaffaCakes118.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
7681b2aa2bb005968cb791f4c14acc08_JaffaCakes118.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
InstallTools.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
InstallTools.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
bytefence-installer-5.5.0.7.exe
Resource
win7-20240419-en
Behavioral task
behavioral6
Sample
bytefence-installer-5.5.0.7.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240215-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240508-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240508-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsisdl.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsisdl.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
ByteFence.exe
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
ByteFence.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral17
Sample
ByteFenceGUI.dll
Resource
win7-20240508-en
Behavioral task
behavioral18
Sample
ByteFenceGUI.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
ByteFenceScan.exe
Resource
win7-20240508-en
Behavioral task
behavioral20
Sample
ByteFenceScan.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
ByteFenceService.exe
Resource
win7-20240215-en
Behavioral task
behavioral22
Sample
ByteFenceService.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
Microsoft.Diagnostics.Tracing.TraceEvent.dll
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
Microsoft.Diagnostics.Tracing.TraceEvent.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral25
Sample
Microsoft.Win32.TaskScheduler.dll
Resource
win7-20231129-en
Behavioral task
behavioral26
Sample
Microsoft.Win32.TaskScheduler.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral27
Sample
amd64/KernelTraceControl.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral28
Sample
amd64/msdia140.dll
Resource
win7-20240221-en
Behavioral task
behavioral29
Sample
amd64/msdia140.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral30
Sample
protobuf-net.dll
Resource
win7-20240508-en
Behavioral task
behavioral31
Sample
protobuf-net.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral32
Sample
rsEngine.dll
Resource
win7-20240419-en
General
- Target 7681b2aa2bb005968cb791f4c14acc08_JaffaCakes118.exe
- Size 13.4MB
- Sample240526-xp4trshc77
- SHA256 36cbce31523dcd66b32bf1193725f3e04e3aa3d1f30df3ec275161c649d31a3c
- MD5 7681b2aa2bb005968cb791f4c14acc08
- SHA1 de7ad83e64f5cc95e9eb2bb30552a139d37ab299
- SHA512 7d1044e4f0bb54b89c3e68f42e771ba27e1746d0c40af98f9d6cb27c81cf5a63001e291d914fc91c57001b58b4b3a1addd0f71ea75e8a983c8a6d87fcea71af8
- SSDEEP 393216:FpAzXLKi/KForUnnXFwtAdPUqJyBTIm1GQvu:FpAfnlAnXFBdPU4yT1GQvu
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 3000 InstallTools.exe 888 bytefence-installer-5.5.0.7.exe - Loads dropped DLL 2 IoCs
pid Process 888 bytefence-installer-5.5.0.7.exe 888 bytefence-installer-5.5.0.7.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- NSIS installer 2 IoCs
resource yara_rule behavioral2/files/0x0007000000023266-6.dat nsis_installer_1 behavioral2/files/0x0007000000023266-6.dat nsis_installer_2 - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4764 wrote to memory of 3000 4764 7681b2aa2bb005968cb791f4c14acc08_JaffaCakes118.exe 92 PID 4764 wrote to memory of 3000 4764 7681b2aa2bb005968cb791f4c14acc08_JaffaCakes118.exe 92 PID 4764 wrote to memory of 3000 4764 7681b2aa2bb005968cb791f4c14acc08_JaffaCakes118.exe 92 PID 4764 wrote to memory of 888 4764 7681b2aa2bb005968cb791f4c14acc08_JaffaCakes118.exe 93 PID 4764 wrote to memory of 888 4764 7681b2aa2bb005968cb791f4c14acc08_JaffaCakes118.exe 93 PID 4764 wrote to memory of 888 4764 7681b2aa2bb005968cb791f4c14acc08_JaffaCakes118.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\7681b2aa2bb005968cb791f4c14acc08_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7681b2aa2bb005968cb791f4c14acc08_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4764 -
C:\Users\Admin\AppData\Local\Temp\InstallTools.exe"C:\Users\Admin\AppData\Local\Temp\InstallTools.exe" "C:\Users\Admin\AppData\Local\Temp\7681b2aa2bb005968cb791f4c14acc08_JaffaCakes118.exe" Software\ByteFence INSNDE "C:\Users\Admin\AppData\Local\Temp\7681b2aa2bb005968cb791f4c14acc08_JaffaCakes118.exe" /mode=s /url=logs.bytefence.com/event /product=Bytefence2⤵
- Executes dropped EXE
PID:3000
-
-
C:\Users\Admin\AppData\Local\Temp\bytefence-installer-5.5.0.7.exe"C:\Users\Admin\AppData\Local\Temp\bytefence-installer-5.5.0.7.exe" /LM=3 /INSTEX /cd=12345 /thankyou /IGNORE="C:\Users\Admin\AppData\Local\Temp\7681b2aa2bb005968cb791f4c14acc08_JaffaCakes118.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:888
-
-
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=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:81⤵PID:4704
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\InstallTools.exe
- Size 274KB
- SHA256 d7ffd96c98cdcd1bacbe7542b403d60a8b700ab8305de02738f1f1c2d98aa71f
- MD5 7bfcafbcc8ee124ce3ea6b098105865a
- SHA1 f404c9a50e0740e465106321012c3b7859c999dc
- SHA512 02b873be813abc8a50b882bed60ad2c57ad6cba8f83984c30d2ca0b5dba6c5b6427d44626bd2689e179bff539160b78b3ff6b604d1d134a147e41c9861b1600c
- SSDEEP 3072:0l7g2UXc+gHjgXqJV0BhZ1hgC5VQ+dVg6tsH3kksA7XDCEtXFD:SkxM+gE607ZEC5VFgkks4Xx9
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\bytefence-installer-5.5.0.7.exe
- Size 13.2MB
- SHA256 223ab46425284dd4ae73f8e7ad478eca6a0dcb4902cbc2f203b73b7cfe0da90b
- MD5 bd660f5e0f39dd05d5eefff4ce65c017
- SHA1 956847325b76f4f02c8803f71204f4c747823ea2
- SHA512 4fb02afb13c67c3d99cb0b183ca20ede069fb7a92cacd2f9bc73891e05a51bd6bd3ca2988fb71813444f9c9853ab8ad42193b234d5d0a60ca6a63355b51c0469
- SSDEEP 393216:TAzXLKi/KForUnnXFwtAdPUqJyBTIm1GQv9:TAfnlAnXFBdPU4yT1GQv9
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nss97D7.tmp\System.dll
- Size 11KB
- SHA256 a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1
- MD5 fbe295e5a1acfbd0a6271898f885fe6a
- SHA1 d6d205922e61635472efb13c2bb92c9ac6cb96da
- SHA512 2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06
- SSDEEP 192:yPtkiQJr7V9r3Ftr87NfwXQ6whlgi62V7i77blbTc4DI:N7Vxr8IgLgi3sVc4
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nss97D7.tmp\nsDialogs.dll
- Size 9KB
- SHA256 3cdf3e24c87666ed5c582b8b028c01ee6ac16d5a9b8d8d684ae67605376786ea
- MD5 ab101f38562c8545a641e95172c354b4
- SHA1 ec47ac5449f6ee4b14f6dd7ddde841a3e723e567
- SHA512 72d4b6dc439f40b7d68b03353a748fc3ad7ed10b0401741c5030705d9b1adef856406075e9ce4f1a08e4345a16e1c759f636c38ad92a57ef369867a9533b7037
- SSDEEP 96:o3W4JlD3c151V1gQoE8cxM2DjDf3GEst+Nt+jvcx4K8qndYv0PLE:o3p3ggQF8REskpxZdO0PLE
- MD5 SHA1 SHA512 SSDEEP