Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Behavioral task
behavioral1
Sample
Rybkdr.exe
Resource
win7-20231201-en
Behavioral task
behavioral2
Sample
Rybkdr.exe
Resource
win10v2004-20231130-en
General
-
Target
7F837BEBEE96BF3FF49561B9300C10466BF1CA891EF4A18BE35CD56146B040E4
-
Size
547KB
-
MD5
8852d2e38d5c9b70da09f56903cec81a
-
SHA1
482b795078bed7423e0312ccec7036732355da94
-
SHA256
7f837bebee96bf3ff49561b9300c10466bf1ca891ef4a18be35cd56146b040e4
-
SHA512
88206e11e8b95605e65d1f6afce2ec21c262aa569a9ccce78f3bde579509dee38bfec5875c9e83063b58f3050808badffb08a648cc9462b7f68efdb0b0c70ca1
-
SSDEEP
12288:UT1ry5BBonVxTvXQMWDf1nYZH3Ob+LlfyVbi1wZkskPene:Uk5BBqPQMWzGZHK+LlfyVbii17e
Malware Config
Signatures
-
Detect PureLogs payload 1 IoCs
resource yara_rule static1/unpack002/Rybkdr.exe family_purelogs -
Purelogs family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack002/Rybkdr.exe
Files
-
7F837BEBEE96BF3FF49561B9300C10466BF1CA891EF4A18BE35CD56146B040E4.rar
-
ORDER FUZETEC PO2311-000031.img.iso
-
Rybkdr.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ