Behavioral task
behavioral1
Sample
operapassview/OperaPassView.chm
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
operapassview/OperaPassView.chm
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
operapassview/OperaPassView.exe
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
operapassview/OperaPassView.exe
Resource
win10v2004-20240508-en
General
-
Target
074d42a61862ac43ae5e69a27e0c14d1_JaffaCakes118
-
Size
43KB
-
MD5
074d42a61862ac43ae5e69a27e0c14d1
-
SHA1
1e84f9e87f4bd0aede2a7182a5770286cc3eaca2
-
SHA256
f6cbbd95a4bdd0f1c693e20e19591662cbcd2caf4a9b49078beef11eeea0af4d
-
SHA512
479a172ea0c78aab2de9d06f1986c9875911c4c629717e94c6db688e90d0a003270b4e4be5180ee5bcf82dcdfe56c2bcb50c34838c3f8c635f151b533a75e976
-
SSDEEP
768:/q3IMolspLtoXXkyQt5n3okZCKPJoqcBdbw/VrSBnY8b/vJpqInEj0HSNld3zfGk:/q3ylspZoXRKPl+hQr6bXJ4Iwd3Aw8k
Malware Config
Signatures
-
Nirsoft 1 IoCs
resource yara_rule static1/unpack002/out.upx Nirsoft -
resource yara_rule static1/unpack001/operapassview/OperaPassView.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/operapassview/OperaPassView.exe unpack002/out.upx
Files
-
074d42a61862ac43ae5e69a27e0c14d1_JaffaCakes118.rar
-
operapassview/OperaPassView.chm.chm
-
operapassview/OperaPassView.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 56KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 32KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 6KB - Virtual size: 8KB
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_32BIT_MACHINE
Sections
.text Size: 42KB - Virtual size: 42KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
-
operapassview/readme.txt