Behavioral task
behavioral1
Sample
1c064f5160a25a67053fd67becc22590_NEIKI.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
1c064f5160a25a67053fd67becc22590_NEIKI.exe
Resource
win10v2004-20240419-en
General
-
Target
1c064f5160a25a67053fd67becc22590_NEIKI
-
Size
1.8MB
-
MD5
1c064f5160a25a67053fd67becc22590
-
SHA1
9e6b8e06187459ea7147a78418f1a45932249214
-
SHA256
144a1297179820b4f2ea8e6843ab79dde5165d4b6d4390a1d6c3fdc18143c70e
-
SHA512
ded2fdf22078c1ca0b6e782d29925047ebf1da09cdb0f1a4055b588244c65e3b647ab7907f4ae757953d67161048fc0ac927be7e75e60207cca8b6e45765bd9c
-
SSDEEP
49152:L+xF55JbPLRSE4OOYG02wdevphB0/OltIBCuUvi1WaHbFrXStyxbiEwKP4Cs:CxFRPtXBOwohhemlaANi0ybFrXStubig
Malware Config
Signatures
-
Patched UPX-packed file 1 IoCs
Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.
resource yara_rule static1/unpack001/out.upx patched_upx -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 1c064f5160a25a67053fd67becc22590_NEIKI unpack001/out.upx
Files
-
1c064f5160a25a67053fd67becc22590_NEIKI.exe windows:4 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: 2.1MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 1.8MB - Virtual size: 1.8MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 22KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.exe windows:4 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: 828KB - Virtual size: 827KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 2.7MB - Virtual size: 2.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 104KB - Virtual size: 361KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 40KB - Virtual size: 37KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ