Behavioral task
behavioral1
Sample
9b31cb73ebc6bfc889daa612412edfb7.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
9b31cb73ebc6bfc889daa612412edfb7.exe
Resource
win10v2004-20231222-en
General
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Target
9b31cb73ebc6bfc889daa612412edfb7
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Size
365KB
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MD5
9b31cb73ebc6bfc889daa612412edfb7
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SHA1
bd4cd3b8db0536875915109860345c98c6bb8ac7
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SHA256
d36043a7e8fe6382208d8ebed686f27c71293770324bb95d40b981f4f7dc82e3
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SHA512
111bf3da1f716b56c2df6c52bfa8f4aca614f4a82dff04ce04c43c4ee457e8cc3f548730714d09aa695b2eb7f9cac1ac7d14ce4ad77085309b9840b9d1e3dbb7
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SSDEEP
6144:FJQwA+x+RNsL09+n/n473alhpoy+2Gco8Q4Oda3y2lLV5LGo9d8IuqJ983KxEIq0:FJRNLo9+n/473a+FhQOey0LjLGo9dSq3
Malware Config
Signatures
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ModiLoader Second Stage 1 IoCs
resource yara_rule static1/unpack001/out.upx modiloader_stage2 -
Modiloader family
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 9b31cb73ebc6bfc889daa612412edfb7 unpack001/out.upx
Files
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9b31cb73ebc6bfc889daa612412edfb7.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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 452KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 358KB - Virtual size: 360KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 6KB - 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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 618KB - Virtual size: 618KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 20KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 5KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 20B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.vmp0 Size: 39KB - Virtual size: 39KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 31KB - Virtual size: 31KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.MaskPE Size: 9KB - Virtual size: 9KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 40KB - Virtual size: 39KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ