Behavioral task
behavioral1
Sample
OperaSetup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
OperaSetup.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
out.exe
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
out.exe
Resource
win10v2004-20230220-en
General
-
Target
MDE_File_Sample_6a2252193bdc75573e65bead2875a11e69880046.zip
-
Size
2.5MB
-
MD5
d971f5716fed365943abd06d4d825821
-
SHA1
05d9e3bc831e91988325c3b8711511c4f5de751b
-
SHA256
fdb0e70bd6aef3a8bd96b12cc1f529d5451c6aaacb01e9f488970431fc4c28f3
-
SHA512
271daaec5390e898d52cfc247e3c038cf269d275a2576101e06db6480aa1939fbd1d837e75c1af24d1d85dc3cad9836ebee5b80c825d71b7706b910c58864d83
-
SSDEEP
49152:vREDEBqx3TY690FhD8e7B9tc9nMdm4F6VyKi3aEgUdPPsf92/1DMt:vRQk69g9t2MAo6VO3SUdPPsV2/1U
Malware Config
Signatures
-
resource yara_rule static1/unpack001/OperaSetup.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/OperaSetup.exe unpack002/out.upx
Files
-
MDE_File_Sample_6a2252193bdc75573e65bead2875a11e69880046.zip.zip
Password: infected
-
OperaSetup.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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 2.5MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 2.6MB - Virtual size: 2.6MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 33KB - Virtual size: 36KB
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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 279KB - Virtual size: 279KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 55KB - Virtual size: 55KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.00cfg Size: 512B - Virtual size: 8B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4.7MB - Virtual size: 4.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ