Behavioral task
behavioral1
Sample
wfcrcko_v.1.2.0.zip
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
Readme.txt
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
installer.zip
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
installer_v472/Installation Guide.txt
Resource
win11-20240802-en
General
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Target
wfcrcko_v.1.2.0.zip
-
Size
14.9MB
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MD5
a663a5197170c32868470eca1320992f
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SHA1
6868a53320912760261c8d9da106ccca11b5349a
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SHA256
ff0641cf93ec93be86bba2ac62d1a5388d5c0fc2db9e8c37dd58d40866db8450
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SHA512
7372ec00d5baf282cad214bce2b2101ce54506008491eecb2a89d5d7fe7aa0dd132a912db63c5248ae971d5b1bd586d5aa1c2b033dc609691513284fa22f42ea
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SSDEEP
393216:3AuDSB93YDzIxIkAeTXgSpKbfE8DgyWz4gzg:3NydrxIkgSph8DgyWztc
Malware Config
Signatures
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resource yara_rule static1/unpack002/installer_v472/Installer_x64.exe themida -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack002/installer_v472/Installer_x64.exe
Files
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wfcrcko_v.1.2.0.zip.zip
Password: 123abc
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Readme.txt
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installer.zip.zip
Password: 123abc
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installer_v472/Installation Guide.txt
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installer_v472/Installer_x64.exe.exe windows:4 windows x64 arch:x64
Password: 123abc
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
Size: 10.4MB - Virtual size: 10.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 38KB - Virtual size: 107KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 512B - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 108KB - Virtual size: 108KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 7.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 4.3MB - Virtual size: 4.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ