medusalocker | 1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281[.]zip

General

Target

1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281.zip
Size

231KB
MD5

8b2a5e5352d059e718d278786ef04be2
SHA1

8e91448faa0188b7639b8d74ca92e35ccb07a406
SHA256

b6c034a912a026b8c1f269e005d6401feb645689feea2afaa0ed665558553b62
SHA512

9c2dab6183b3e7e15fbf06280cd215f98990b12171b603a2e2a893825fe12bd6edb741590de1bcd4e5e59474645fb9449cd424d8642a8385e97737cfbcafa856
SSDEEP

6144:DukWsnmM4zdk4xIMurUCktAfFMuV4dQLcjCr+IL:6kEMSdkcjtVkqjC9

Score

10^/10

upx medusalocker

Malware Config

Signatures

MedusaLocker payload 1 IoCs

Processes:

resource	yara_rule
static1/unpack002/out.upx	family_medusalocker

Medusalocker family
medusalocker

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
static1/unpack001/1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281.exe	upx

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

Processes:

resource
unpack001/1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281.exe
unpack002/out.upx

Files

1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281.zip
.zip

Password: infected
1bc0575b3fc6486cb2510dac1ac6ae4889b94a955d3eade53d3ba3a92d133281.exe
.exe windows 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

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
out.upx
.exe windows 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

Sharing

General

Malware Config

Signatures

Files

Password: infected

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 468KB

UPX1 Size: 233KB - Virtual size: 236KB

.rsrc Size: 1KB - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 459KB - Virtual size: 458KB

.rdata Size: 171KB - Virtual size: 171KB

.data Size: 14KB - Virtual size: 18KB

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 23KB - Virtual size: 22KB

UPX0
Size: - Virtual size: 468KB

UPX1
Size: 233KB - Virtual size: 236KB

.rsrc
Size: 1KB - Virtual size: 4KB

.text
Size: 459KB - Virtual size: 458KB

.rdata
Size: 171KB - Virtual size: 171KB

.data
Size: 14KB - Virtual size: 18KB

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 23KB - Virtual size: 22KB