Behavioral task
behavioral1
Sample
c6d6b33557e9f71bfd7ae7c8fa4b99627e4d1439965bd50ddddfec8a7a0a78eb.exe
Resource
win7-20240221-en
General
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Target
c6d6b33557e9f71bfd7ae7c8fa4b99627e4d1439965bd50ddddfec8a7a0a78eb
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Size
261KB
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MD5
fafb8f0c046acb149cadd466a78d4245
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SHA1
798430ffb105221a01dd03bc77176f0a09493d1e
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SHA256
c6d6b33557e9f71bfd7ae7c8fa4b99627e4d1439965bd50ddddfec8a7a0a78eb
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SHA512
0fb7993cc62eb2872dc550eb0d5a5c3334574c330aa8bca384dc24e972ff4a79e3cfbcd49eed89b08b540ae6cbb64342c2fc7a245053b892e50710e11a54854b
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SSDEEP
6144:lcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37n:lcW7KEZlPzCy37n
Malware Config
Extracted
darkcomet
1
igr15.noip.me:1604
DC_MUTEX-79LYMZP
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InstallPath
app\CCleaner\CCleaner-resident.exe
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gencode
psvXkE5w4SBk
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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
MSUpdate
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 c6d6b33557e9f71bfd7ae7c8fa4b99627e4d1439965bd50ddddfec8a7a0a78eb unpack001/out.upx
Files
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c6d6b33557e9f71bfd7ae7c8fa4b99627e4d1439965bd50ddddfec8a7a0a78eb.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: 484KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 246KB - Virtual size: 248KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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: 26KB - Virtual size: 26KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ