General
- Target pClFQsfr.rar
- Size 4.0MB
- Sample260722-c3fzmshh37
- SHA256 147a018dcedaee11066bed6446705d19cae3c88dc1a8e0ee0245b128ab7d5823
- MD5 88a58a95deef19bd444b2f9b2cd45125
- SHA1 9d0ed476b11e1d5c2856657e33d0ce4c1aed1325
- SHA512 875130c479d1cb9b80ca77e3051b1306447b7b5092a2d4c728b9927940637bdf178fa3c8d8f0bc2cd1b7197cdf1c39852e7e65dec010062f79cec89734f621c8
- SSDEEP 98304:cU9pnqnRgF3EFLC3V2FbfX4/XExE3ffjoJ6sXpLqx8Ln:cU9pnqRgqpyV2x0vnS4x8T
- TLSH T127163337588FAD6E2311AC16B81FB4D8AF41AD2DB2F1D008DBA90D67D4390C7F15986B
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Behavioral task
behavioral1
Sample
R3nzSkin.dll
Resource
win10v2004-20260513-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
R3nzSkin.dll
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
Behavioral task
behavioral3
Sample
VWxlUcGV.exe
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral4
Sample
VWxlUcGV.exe
Resource
win11ltsc2024-20260709-en
4 signatures
150 seconds
Malware Config
Targets
-
- Target R3nzSkin.dll
- Size 3.9MB
- SHA256 edf6d92cb2a2b7d7ccc01031ca2224fec5a2966b004c3eedd83be697e8d3a9c3
- MD5 e12cec4add7d3ba6ad1ce9d640fcd9b4
- SHA1 0b91ce1944d08a1569a62f9d6982bf93dfcb211f
- SHA512 e92f0811872d1dc7394168677bf2142b2393368549c34bb08988fd9a7ccba0980084a4d2eccdace6405d804f9d798511910c125d690e45ba06077ee224ae3ac0
- SSDEEP 98304:QgmRZVTMN96/8vZipjes9OX3kH2Ovk+XtojvKAqMFSczDO:Qd0Nk0vG/OHkVcYmDKBI/O
- TLSH T16916336009620884C918D4386F1DD877B363B7F2FBF5E2BD7DDF42AE428621DA49D609
- MD5 SHA1 SHA512 SSDEEP TLSH
Score9/10-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks whether UAC is enabled
-
Suspicious use of NtSetInformationThreadHideFromDebugger
-
- Target VWxlUcGV.exe
- Size 198KB
- SHA256 8575a0d8689f341dd76e9f3023716d5f72bd6ceeadf05ba1666068d17c371c11
- MD5 a1e249e59f6e7c4d6b20a6842446c319
- SHA1 ede8652eed5d5737dfe26b23115db74ae1f0c60d
- SHA512 095960bf832bb36485be1f0787cf4b8bcf87d52a1b8551520da082ee1e5ce2d1c14f5cf73b4e94081bb2abaff3e4b919fff9b6fcc70107be21e675fa26c8619a
- SSDEEP 6144:yuHaS1JG+I55CcIjPHArKaKNwu/0rvECsmKAWAu4tAWkT92q7P2ku4T6J1kL4sG8:yuzQ5CcIjHArKaKNwu/0rvECsmKAWAu1
- TLSH T143148CAA32A14FA7E59F13B2B2628394F333A8D56B9763474053D27909E43C4E585EC3
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10