2024-08-29_b06a2b19c6c734adc47fd6748ddaa3fb_cryptolocker | Triage

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General

Target

2024-08-29_b06a2b19c6c734adc47fd6748ddaa3fb_cryptolocker
Size

28KB
MD5

b06a2b19c6c734adc47fd6748ddaa3fb
SHA1

e96bc1a3e7218754ca20b594d58f7f1a79b28590
SHA256

492afcae93ebc3389c986422fa800dc290ec625a2bbf8de1f5322fdf642d0cc4
SHA512

87318cb202938b8be83bbe3839623b5e2ad86b5a6e4bac85faf30f69cb8750d16a052ccb3df020511c5f03e1266859804eb66837dfac1316047cd0c57ac318b5
SSDEEP

768:bFgm5zusFUB2preAr+Ofjg0STX73OBqXAH:bFgmpiifY+YwH

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

resource	yara_rule
sample	upx

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
2024-08-29_b06a2b19c6c734adc47fd6748ddaa3fb_cryptolocker
unpack001/out.upx

Files

2024-08-29_b06a2b19c6c734adc47fd6748ddaa3fb_cryptolocker
.exe windows:5 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: 28KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 11KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:5 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: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ