Analysis
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max time kernel
112s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
11-09-2024 08:47
General
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Target
jigsaw.exe
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Size
283KB
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MD5
2773e3dc59472296cb0024ba7715a64e
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SHA1
27d99fbca067f478bb91cdbcb92f13a828b00859
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SHA256
3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
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SHA512
6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
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SSDEEP
6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX
Malware Config
Signatures
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Jigsaw Ransomware
Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
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Renames multiple (2188) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Executes dropped EXE 1 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
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Drops file in Program Files directory 64 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\jigsaw.exe"C:\Users\Admin\AppData\Local\Temp\jigsaw.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe"C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\jigsaw.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
160B
MD5580ee0344b7da2786da6a433a1e84893
SHA160f8c4dd5457e9834f5402cb326b1a2d3ca0ba7e
SHA25698b6c2ddfefc628d03ceaef9d69688674a6bc32eb707f9ed86bc8c75675c4513
SHA512356d2cdea3321e894b5b46ad1ea24c0e3c8be8e3c454b5bd300b7340cbb454e71fc89ca09ea0785b373b483e67c2f6f6bb408e489b0de4ff82d5ed69a75613ba
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Filesize
283KB
MD52773e3dc59472296cb0024ba7715a64e
SHA127d99fbca067f478bb91cdbcb92f13a828b00859
SHA2563ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
SHA5126ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
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Filesize
35KB
MD5ddf24c368f3cf32787cab7a21eb2ede9
SHA1cde63e25706e77434d3dbcbfd05ef171f7861e65
SHA2568a4038cf75f74f77bd535adfabe47fce609632632c28dd6f4dd6dcf1fce57190
SHA512e5098f204eb56ab3ae2df7e41a71c04ed0a6bfe6aead09f70e8d8f37b3845870d4d5721aa10f3e0ba6e966b63b292999b35d45b38f95a31b96ef358c6174c561
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Filesize
28KB
MD54b34ebcd5fc81d3b4b34a982383e0fde
SHA1032f7805039f956d64c041ee12ba461285fc0c3d
SHA2562ac78151ae3764f89910cf3319ea201eb8b4bdd59f130bd940ca778fdf18ef3d
SHA51288bd42807b7d3c28c71f7932813d3e1929c295eb0ae336b80112e981f903336440b6c8039a0bc5a97bf94808bc0d48482b2a6458bfa8a9ac0894006c9e919d3c
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Filesize
174KB
MD5b11341ae9a6369303deba6ae9e1f99c9
SHA1f54895207d27a3b686da3c034d6ca90ad4de76e4
SHA256f4684d6b723deae4072cdd42d08f900395f610755aa5c93ed44aa100b009609d
SHA512e0532d8435a75d8ab4ce22baacd0e26062740b936fc761d9a1283e97dcfe11a398fb4b7f6c426015d46fabb354b292a05d8d100dc532a57192ecc00f8d0d9edc
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Filesize
205KB
MD5d3ad5621a8bbd1a33ca6d6758a12f2e1
SHA1ebff9cfa1db9ad48105df6fd31d88292fb2db1a6
SHA256d58ad65a9702f5e1919e04eedb85286704712beefa95b4fc279cd4c0e48eb12b
SHA5129a06b4db87c944df1fe65f8329cc0ba9b8a2626c6a4092fca41c546162cb812cefdd060af607fc460518a3c9f37e884ddc22aa06860d456f84e25f7d4f8f1f90
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Filesize
16B
MD58ebcc5ca5ac09a09376801ecdd6f3792
SHA181187142b138e0245d5d0bc511f7c46c30df3e14
SHA256619e246fc0ac11320ff9e322a979948d949494b0c18217f4d794e1b398818880
SHA512cec50bfc6ad2f57f16da99459f40f2d424c6d5691685fa1053284f46c8c8c8a975d7bcb1f3521c4f3fbdc310cf4714e29404aa23be6021e2e267c97b090dc650
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
224KB
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Filesize
4KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
