Static task
static1
Behavioral task
behavioral1
Sample
Vobfus W32-worm.zip
Resource
win11-20240426-en
Behavioral task
behavioral2
Sample
Worm.Win32_Vobfus.AC.exe
Resource
win11-20240508-en
General
-
Target
Vobfus W32-worm.zip
-
Size
19KB
-
MD5
e2c28a7e67008e8393f7de3a205cc142
-
SHA1
7f5af40428e033a2a115eb9c44c7c7730e12403a
-
SHA256
a7ea7c47ab2d05a476b33af71de0eca05de06503956c49345ce0339c91f6dc47
-
SHA512
82f2fa9171db5f9911e10160980d7d3484747cfba3c5e745746bc4816471392284c2a0d45f2794bae73e695aaf2ad202c7c2929e94ae6f6571018117a9dc3b3c
-
SSDEEP
384:kelZcGpSj/Uii7I2c+G0hqUJ9EAyNo2ZZElSiN63+ScD4HhyXc:keleGvZNvGYHIND/663+ScD4H0Xc
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Worm.Win32_Vobfus.AC.exe
Files
-
Vobfus W32-worm.zip.zip
-
Worm.Win32_Vobfus.AC.exe.exe windows:4 windows x86 arch:x86
0abad43e831a4d83cef34fd47272b468
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
Imports
kernel32
RtlMoveMemory
msvbvm60
MethCallEngine
ord517
ord518
ord593
ord594
ord520
ord709
ord631
ord632
ord526
EVENT_SINK_AddRef
ord527
ord529
DllFunctionCall
EVENT_SINK_Release
EVENT_SINK_QueryInterface
__vbaExceptHandler
ord711
ord712
ord606
ord607
ord608
ord717
ProcCallEngine
ord644
ord537
ord648
ord570
ord573
ord685
ord100
ord616
ord617
ord618
ord619
ord580
Sections
.text Size: 49KB - Virtual size: 49KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ