Behavioral task
behavioral1
Sample
2024-02-21_b09f0d00c4f61aeee8b52bfcf8048c0a_cryptolocker.exe
Resource
win11-20240221-en
General
-
Target
240221-vemrdsbe5v_pw_infected.zip
-
Size
28KB
-
MD5
7b7c4011e23b681617c9565a80792cea
-
SHA1
0d8750d13eebf8f48e5e66ef5fbdee12c7d4179b
-
SHA256
a2e436d7eba2766caea6910fc228f2d08de99fc41ddfdb7993b93aec43ffc95e
-
SHA512
b9ac51888b677945a374851d2f24aaed3c37bb615b0d19368807e85471a7be166d90c6e627fb55cd7a53dc13a640a61f30b88d8c0467553c6f06dbfe151db729
-
SSDEEP
384:l2w8mqNm6Rc1jvcPxGZZ22R8f8PeO1RBIfuUqbrJ9e+Csfl/dzea9U7/2WWyGUaa:c/mqg6R2EPwfsf8PeOpxJ9eRqA2oG/a
Malware Config
Signatures
-
resource yara_rule static1/unpack001/2024-02-21_b09f0d00c4f61aeee8b52bfcf8048c0a_cryptolocker upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/2024-02-21_b09f0d00c4f61aeee8b52bfcf8048c0a_cryptolocker unpack002/out.upx
Files
-
240221-vemrdsbe5v_pw_infected.zip.zip
Password: infected
-
2024-02-21_b09f0d00c4f61aeee8b52bfcf8048c0a_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: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ