Behavioral task
behavioral1
Sample
Mayhem.dll
Resource
win7-20240708-en
General
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Target
b5d3398d737ccc2350f240f8e5aa3e2c_JaffaCakes118
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Size
248KB
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MD5
b5d3398d737ccc2350f240f8e5aa3e2c
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SHA1
15de80d142c670016b8b70362630a986cede094f
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SHA256
44118f515f7720af7d867afd5d185a81737b1d8bc5e1916fc48dee05453cb067
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SHA512
c06cbe80fb73927b50ae3e24cbf8d8c7037693256aa3683b2e7397c76fceb654b6d27905eba26eafc3a55f8629cfad3870860d49fb5854813c36909f1745bf8f
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SSDEEP
6144:YzL9VKWhCr/bD232KansHuN7RcNuexqaBGdQc4c3:A9VKNEag67GoewQG
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule static1/unpack001/Mayhem.dll acprotect -
resource yara_rule static1/unpack001/Mayhem.dll upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/Mayhem.dll unpack002/out.upx
Files
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b5d3398d737ccc2350f240f8e5aa3e2c_JaffaCakes118.rar
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Mayhem.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: 424KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 154KB - Virtual size: 156KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - 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: 285KB - Virtual size: 284KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 55KB - Virtual size: 54KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 9KB - Virtual size: 190KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 23KB - Virtual size: 23KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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binds/binds_cstrike.cfg
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binds/binds_czero.cfg
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binds/binds_dod.cfg
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binds/binds_ns.cfg
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binds/binds_nsp.cfg
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binds/binds_tfc.cfg
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binds/binds_ts.cfg
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binds/binds_valve.cfg
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colors.cfg
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cvars/cvar_cstrike.cfg
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cvars/cvar_czero.cfg
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cvars/cvar_default.cfg
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cvars/cvar_dod.cfg
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cvars/cvar_ns.cfg
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cvars/cvar_nsp.cfg
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cvars/cvar_tfc.cfg
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cvars/cvar_ts.cfg
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cvars/cvar_valve.cfg
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hackhide.cfg
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headshot.cfg
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hlss/3Inposition.wav
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lan.cfg
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main.cfg
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menus/menu_cstrike.txt
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menus/menu_czero.txt
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menus/menu_default.txt
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menus/menu_dod.txt
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menus/menu_ns.txt
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menus/menu_nsp.txt
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menus/menu_tfc.txt
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menus/menu_ts.txt
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settings1.cfg
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settings2.cfg
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settings3.cfg