Behavioral task
behavioral1
Sample
Steam˻л/Steam˻л V1.6.5.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Steam˻л/Steam˻л V1.6.5.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
Steam˻л/exdui.dll
Resource
win7-20240903-en
General
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Target
af415dadc52287ccbedbec287c081a665ddff2cbde6bc1e95da745ef087bedb1
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Size
379KB
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MD5
8f99d92b8c38060265c0715c5bc82515
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SHA1
b31d712432078557df6fb9078751929deab42e5b
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SHA256
af415dadc52287ccbedbec287c081a665ddff2cbde6bc1e95da745ef087bedb1
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SHA512
4cb27d0df2a87c1e5529eff58c968f47634cffc8abf017cc893a215b36b9a33313fcbbce528b0d56e942149ada6d71660c8abceb6c5314486b6545f181e9a43f
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SSDEEP
6144:ANF539O+XrUM2l0kaNzQeciH9vKSQqeW6qsZFBHKF8aY55OsuAbjl:AfHrDNMLW6/7HecuiJ
Malware Config
Signatures
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Blackmoon family
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Detect Blackmoon payload 1 IoCs
resource yara_rule static1/unpack002/out.upx family_blackmoon -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule static1/unpack001/Steam˻л/exdui.dll acprotect -
resource yara_rule static1/unpack001/Steam˻л/Steam˻л V1.6.5.exe upx static1/unpack001/Steam˻л/exdui.dll upx -
Unsigned PE 4 IoCs
Checks for missing Authenticode signature.
resource unpack001/Steam˻л/Steam˻л V1.6.5.exe unpack002/out.upx unpack001/Steam˻л/exdui.dll unpack003/out.upx
Files
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af415dadc52287ccbedbec287c081a665ddff2cbde6bc1e95da745ef087bedb1.zip
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Steam˻л/Steam˻л V1.6.5.exe.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_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 664KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 321KB - Virtual size: 324KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 12KB
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_32BIT_MACHINE
Sections
.text Size: 704KB - Virtual size: 702KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 24KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 160KB - Virtual size: 234KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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Steam˻л/exdui.dll.dll windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Sections
UPX0 Size: - Virtual size: 156KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 49KB - Virtual size: 52KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.dll windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Sections
.text Size: 132KB - Virtual size: 130KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 54KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 904B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ