Static task
static1
Behavioral task
behavioral1
Sample
vhvncN.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
vhvncN.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
vjustca.exe
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
vjustca.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral5
Sample
vremcoss.exe
Resource
win7-20230220-en
Behavioral task
behavioral6
Sample
vremcoss.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral7
Sample
vvenomd.exe
Resource
win7-20230220-en
Behavioral task
behavioral8
Sample
vvenomd.exe
Resource
win10v2004-20230221-en
General
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Target
vhvncN PRV.zip
-
Size
2.7MB
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MD5
b774340174ff0e9ba16bb7c95b80a4df
-
SHA1
84774450e17cf9c1ac5ca5b9d0ec0e15bc89a114
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SHA256
5ac69c8e54fb08fdc85586c8abf0ba19ebd2fecfab9007c6a6434ae47c513ff8
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SHA512
8020138741e511f4ad78aff435da07141080856247164ad3a669d80aff825779163ba2ceff4c0f15a1fb89625d4c87240f28f75b133bef17482e192446692303
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SSDEEP
49152:Z993i3/eIuQEjXwxUV2g8KPW5GqarBe1oTmqoaP7Mw:v1qe9QKXwX5GBrg1wmsP7Mw
Malware Config
Signatures
-
Unsigned PE 4 IoCs
Checks for missing Authenticode signature.
resource unpack001/vhvncN.exe unpack001/vjustca.exe unpack001/vremcoss.exe unpack001/vvenomd.exe
Files
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vhvncN PRV.zip.zip
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vhvncN.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 649KB - Virtual size: 649KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 56KB - Virtual size: 56KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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vjustca.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 260KB - Virtual size: 259KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 56KB - Virtual size: 56KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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vremcoss.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 536KB - Virtual size: 535KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 56KB - Virtual size: 56KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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vvenomd.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 122KB - Virtual size: 122KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 56KB - Virtual size: 56KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ