Behavioral task
behavioral1
Sample
1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
out.exe
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
out.exe
Resource
win10v2004-20240709-en
General
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Target
1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281.zip
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Size
231KB
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MD5
c619d1b49a183011ea3dc99347aaa77f
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SHA1
271e7714874f2577fcda702c19b42e3471094a1e
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SHA256
6f768b5db1b4c7ec2df1a8d012814e8903b0a1f0b1d3b7bdfff447a2cd24a281
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SHA512
b717f2b06314826a15783786af2da26eb3d9e8598854535a0567d66b9227b3a0db7234e7eec58add7d078de6f5f3d91169a2612ea0a6e23deebe52904475ba09
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SSDEEP
6144:BjVD0s8mf31trSqSgdRF7Kt5CIWR0XYI6r4J7V0zqO5x69:BRDhhteXgs5i4Jh0zbj69
Malware Config
Signatures
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MedusaLocker payload 1 IoCs
resource yara_rule static1/unpack002/out.upx family_medusalocker -
Medusalocker family
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resource yara_rule static1/unpack001/1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281.exe unpack002/out.upx
Files
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1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281.zip.zip
Password: infected
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1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281.exe.exe windows:6 windows x86 arch:x86
Password: infected
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 468KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 233KB - Virtual size: 236KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:6 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 459KB - Virtual size: 458KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 171KB - Virtual size: 171KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 14KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 23KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ