Behavioral task
behavioral1
Sample
downloader_60_cat.exe
Resource
win7-20231215-en
General
-
Target
downloader_60_cat.exe
-
Size
9.1MB
-
MD5
27dcca14823d7cb8ddcc2b12368548a6
-
SHA1
e0abc6f5711fa1782d1eaec492215ec77981341d
-
SHA256
8054066b3c3c28770c19141ae30f554752c63573dbabfcf9259d90652d4d5474
-
SHA512
54dd72097443f3939f98e9fc0db4d2b15d47809baa2b4315b11076ca4a9b3ac603607275f0ee8693841e3af35dc5ec230fe338d3896b895df74bc0aa3097eed0
-
SSDEEP
196608:sbsJk4Ufvq8BRu+NL5GjweEiFwfMSSUaShd2WBTGWVq4wAfH1gMRuBcjmSSQsG5E:sbKUfi8BU+N7FGaBd2WBzq4hfV3LSRG
Malware Config
Signatures
-
Blackmoon family
-
Detect Blackmoon payload 1 IoCs
resource yara_rule static1/unpack001/out.upx family_blackmoon -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource downloader_60_cat.exe unpack001/out.upx
Files
-
downloader_60_cat.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 2.3MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 9.1MB - Virtual size: 9.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 1.0MB - Virtual size: 1.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 10.0MB - Virtual size: 10.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 120KB - Virtual size: 350KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ