Behavioral task
behavioral1
Sample
3a838bc54c0554072f59a12f2d4cf1e2.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
3a838bc54c0554072f59a12f2d4cf1e2.exe
Resource
win10v2004-20231222-en
General
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Target
3a838bc54c0554072f59a12f2d4cf1e2
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Size
296KB
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MD5
3a838bc54c0554072f59a12f2d4cf1e2
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SHA1
71b6bfdef3a26e78f4dd6022ddf4ec8df0c12dac
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SHA256
bcf6ce631e7426af22013451da9c86e988dc4c10623c6f4952a59568fb9abb35
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SHA512
a101829a89798fa3e27da6ce8a1fd3437adf9340251fd8c7a9c78a0cf64086f362d31c73d93c1b79a7242d12376619b82a3f719517f0da2f06bab08482c50ea1
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SSDEEP
6144:sqtRm9s7xDtEqBR8xlS7lKIlz7SnoxyG0wMoizl6pefxAORZALcuRzYB0Nw0x0:ttA6DlRIIlKINZxizWAx79OvS
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 3a838bc54c0554072f59a12f2d4cf1e2 unpack001/out.upx
Files
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3a838bc54c0554072f59a12f2d4cf1e2.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: 492KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 288KB - Virtual size: 292KB
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: 632KB - Virtual size: 632KB
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
.reloc Size: 40KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 31KB - Virtual size: 31KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ