Behavioral task
behavioral1
Sample
d3557d117f370c036a0d7077fd5b05f4_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
d3557d117f370c036a0d7077fd5b05f4_JC.exe
Resource
win10v2004-20230915-en
General
-
Target
d3557d117f370c036a0d7077fd5b05f4_JC.exe
-
Size
60KB
-
MD5
d3557d117f370c036a0d7077fd5b05f4
-
SHA1
6920be03da740a9cff1f974552ca7496c162634b
-
SHA256
9768b6f246789c699eb41016446c4ef1350c080661b68d359a18b2a234dcdbe1
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SHA512
f5b4f7050f6877f4579cab8f1446897be7ff8f630800271f385002e2eaae33347922654e7fca67ad937b870578d425d1944a9416a59f5d48c5c09d768df58758
-
SSDEEP
768:jMcnFXakkGtWrA9HOdTaXXA+uYx7IXd562Re9tW5q:jMMkGUA5OdTaXX176BZq
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource d3557d117f370c036a0d7077fd5b05f4_JC.exe
Files
-
d3557d117f370c036a0d7077fd5b05f4_JC.exe.exe windows:4 windows x86
1603aa14b56d206d64cb95a3c75125d7
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
CreateFileMappingA
TerminateThread
CreateThread
ExitProcess
CreateProcessA
GetModuleFileNameA
GetModuleHandleA
GetSystemDirectoryA
WriteFile
MapViewOfFile
GetVersionExA
GlobalMemoryStatus
TerminateProcess
OpenProcess
Module32First
Process32Next
Process32First
CreateToolhelp32Snapshot
GetCurrentProcess
UnmapViewOfFile
CreateFileA
ReadFile
CloseHandle
GetFileSize
GetLastError
GetTickCount
CreateMutexA
Sleep
GetStartupInfoA
advapi32
LookupPrivilegeValueA
AdjustTokenPrivileges
RegDeleteValueA
RegCreateKeyExA
RegSetValueExA
RegCloseKey
RegOpenKeyExA
OpenProcessToken
shell32
ShellExecuteA
ws2_32
gethostbyname
inet_addr
send
WSAStartup
recv
htons
socket
closesocket
WSACleanup
connect
wininet
InternetOpenA
InternetOpenUrlA
InternetReadFile
InternetCloseHandle
msvcp60
??0?$basic_stringstream@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@H@Z
??8std@@YA_NABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@0@Z
?find@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIPBDI@Z
?npos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@2IB
?find_last_of@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIPBDI@Z
?insert@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@IABV12@II@Z
??Hstd@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@PBDABV10@@Z
??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV01@ABV01@@Z
??5std@@YAAAV?$basic_istream@DU?$char_traits@D@std@@@0@AAV10@PAD@Z
??_D?$basic_stringstream@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEXXZ
?find@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIABV12@I@Z
?substr@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBE?AV12@II@Z
?length@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ
??0?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@PBDABV?$allocator@D@1@@Z
??0?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@ABV?$allocator@D@1@@Z
??Y?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV01@D@Z
??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV01@PBD@Z
??0Init@ios_base@std@@QAE@XZ
??1Init@ios_base@std@@QAE@XZ
??0_Winit@std@@QAE@XZ
??1_Winit@std@@QAE@XZ
?compare@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEHIIPBD@Z
?replace@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@IIPBD@Z
?compare@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEHABV12@@Z
??1?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@XZ
??Hstd@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@ABV10@0@Z
??0?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@ABV01@@Z
?c_str@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEPBDXZ
?compare@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEHPBD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@P6AAAV01@AAV01@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@I@Z
??6std@@YAAAV?$basic_ostream@DU?$char_traits@D@std@@@0@AAV10@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@@Z
??6std@@YAAAV?$basic_ostream@DU?$char_traits@D@std@@@0@AAV10@PBD@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?endl@std@@YAAAV?$basic_ostream@DU?$char_traits@D@std@@@1@AAV21@@Z
msvcrt
malloc
_controlfp
_except_handler3
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_initterm
__getmainargs
_acmdln
_XcptFilter
_exit
_onexit
__dllonexit
strcmp
??2@YAPAXI@Z
__CxxFrameHandler
rand
srand
memset
strlen
_vsnprintf
_purecall
free
memcpy
fwrite
exit
_ftol
strstr
fread
fclose
ftell
fseek
fopen
sprintf
Sections
.text Size: 24KB - Virtual size: 23KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 8KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 20KB - Virtual size: 16KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE