Behavioral task
behavioral1
Sample
bf43d371d4c9efca80130294a5dc5a9be80bf6bf3103ad023eac0e000385ab7c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bf43d371d4c9efca80130294a5dc5a9be80bf6bf3103ad023eac0e000385ab7c.exe
Resource
win10v2004-20240412-en
General
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Target
bf43d371d4c9efca80130294a5dc5a9be80bf6bf3103ad023eac0e000385ab7c
-
Size
73KB
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MD5
4c84956e934342f4ec62fcb99da79721
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SHA1
1b9affa036b35ba8c7d58a4f22909edc9dd8795e
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SHA256
bf43d371d4c9efca80130294a5dc5a9be80bf6bf3103ad023eac0e000385ab7c
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SHA512
4216f6353076408c6356b56a5e6d871b98338de41a58d25ab76ab1e7fbdfd78d4fed2b378e52a06bf521f7da6afa2ab264920e237a112355e808368d8038e692
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SSDEEP
768:qIOuZ+iPvq/24pkqZVLWQ/VpwJVafqSZ3qt9sGpUSUhehwCpTq6R59E:qIOa+iHq/2gOdSZJcdaii
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource bf43d371d4c9efca80130294a5dc5a9be80bf6bf3103ad023eac0e000385ab7c unpack001/out.upx
Files
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bf43d371d4c9efca80130294a5dc5a9be80bf6bf3103ad023eac0e000385ab7c.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: 420KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 37KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 7KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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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: 152KB - Virtual size: 151KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 76KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 36KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
myvzbsb Size: 32KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
yllgqsl Size: 32KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
asciors Size: - Virtual size: 4KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.drdata Size: 72KB - Virtual size: 92KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE