Behavioral task
behavioral1
Sample
f64202ae93fefe71fc7edcb9c2e0aac42ddbe9cd47ebba7a3b1d67157a809c0f.exe
Resource
win7-20231129-en
General
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Target
f64202ae93fefe71fc7edcb9c2e0aac42ddbe9cd47ebba7a3b1d67157a809c0f
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Size
252KB
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MD5
5436fd89630010dfba66ff289ac23e28
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SHA1
a2be564e0a3e7d66d337550fdf4ec03c9dc7fc3a
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SHA256
f64202ae93fefe71fc7edcb9c2e0aac42ddbe9cd47ebba7a3b1d67157a809c0f
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SHA512
7a2b093d7df3c6efd2edc780989fb56c34e753ab564c945bc9d5fcf0e5b1bc7c3cf49e50d80b9d4390720f05d4d8c84bd057e8496de8d7d91943e807d8d02aa8
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SSDEEP
6144:XcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37KGVM:XcW7KEZlPzCy37KG
Malware Config
Extracted
darkcomet
Guest16
darkness123.ddns.net:1604
DC_MUTEX-B5047WK
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InstallPath
MSDCSC\msdcsc.exe
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gencode
Ct6Ynw33gry6
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
MicroUpdate
Signatures
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Darkcomet family
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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 f64202ae93fefe71fc7edcb9c2e0aac42ddbe9cd47ebba7a3b1d67157a809c0f unpack001/out.upx
Files
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f64202ae93fefe71fc7edcb9c2e0aac42ddbe9cd47ebba7a3b1d67157a809c0f.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: 476KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 247KB - Virtual size: 248KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 4KB
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
.text Size: 566KB - Virtual size: 566KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.itext Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: - Virtual size: 29KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 16KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 56B
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: 35KB - Virtual size: 34KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rsrc Size: 17KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ