Behavioral task
behavioral1
Sample
f1d61cbcda0b9784bb33b45d96f98b3e027a6b5cfe89552e47d15038dedff23d.exe
Resource
win7-20240705-en
General
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Target
f1d61cbcda0b9784bb33b45d96f98b3e027a6b5cfe89552e47d15038dedff23d
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Size
1.0MB
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MD5
766a48198b5f332debc69cf1e0e87bbf
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SHA1
d805b0ee573788f94375d87b2d8af5a3f56e6ef4
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SHA256
f1d61cbcda0b9784bb33b45d96f98b3e027a6b5cfe89552e47d15038dedff23d
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SHA512
5ae3a2e7af67b20b16a9f4f077449074b3d63ae24108027bc2bded3eecc4cebb1f225ef0c96dca24f736c51867f96878bb18c8f08d4bb6b0729b75724102c749
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SSDEEP
24576:MKiRzC0UAaNSl3Jx5/16qCTF6RQHDO1AZ8S:NiRnMSp5N6PTfi1AZ8S
Malware Config
Extracted
darkcomet
Guest16
127.0.0.1:555
DC_MUTEX-13GPHC5
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InstallPath
MSDCSC\msdcsc.exe
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gencode
ACocCp43TdEV
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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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R77 family
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r77 rootkit payload 1 IoCs
Detects the payload of the r77 rootkit.
Processes:
resource yara_rule static1/unpack001/out.upx r77_payload -
Processes:
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
Processes:
resource f1d61cbcda0b9784bb33b45d96f98b3e027a6b5cfe89552e47d15038dedff23d unpack001/out.upx
Files
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f1d61cbcda0b9784bb33b45d96f98b3e027a6b5cfe89552e47d15038dedff23d.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: 1.1MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 1.0MB - Virtual size: 1.0MB
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: 1.4MB - Virtual size: 1.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ