�Rj�q�|���N��:n D��G�q�������W�z�(I涍J����܂�U[��( J�,\X��ɕ�]�ś���d�*.������{n�D���6Ġ�2}�j4Q�ۻJ��� 4{������w]\�����d5ah�c����3���̛���q6he�~P�s���X���&��{�S����t^lAO�7�^{������۳����:����U�:�ZT�xAח��rֆ�2X�59�����G^���e�&J�����l�[^��1ۭ�o���� ��J.J@�w~:��gxOE�����4s�Ҽ��,���g�~�7����:[��W�� �Ε��fʋ��H{����4m��b]ٳ�*�bD4��*P��1����_Ϲ�ni�٣��SP��������w� ���KV6�� �����������R����g\G�gB�W('���]�`�~8��ě��T��"��Md�fxB��� {ێ� �� f`����֔�ov���D�14x��Z��ʼnt�^��]_c8n�}�����e��Xb�ǭʶ@�|9��~{��\Y�r�xF�����f\JUTUW(}�xמe+U����������;PQĉ����H�zkb��G���C�4T������ZѭY�[97����~<�D�&��2'lM$���ޠ5� :n�JT��T����.��"�3��FtG�wa�4�XO���v5g6�����f���� �?GHɆ?ggy��C� ��g|�7�e� �37ӱ�O/\+�v��P6d^ُn��ۅ�%��t�;�3g����x/It�T��Yx�/�Y��дc��{r�������7i�K�N��f4����B�S��_��U���݇'�$�">އWB!�"�4V&��9վ����+�����{��L���s�&5�u9�b��@�=�x��XzY���s�X�����IhmT]����f#�{*���5Ǎ͠�����Ƣ]�ڭt���h��F4p�'��/�߬,� 1�F�~!P�d*��\Շw��,O�� �A�����DŽ�V㮸%�z�����쓼[A���t��YY�N��.N��� ڈ���QY"5�h�p ��i�s��Z�p"$P�R�7C�(�~i�!�V*Մ�_eYk� �ȷ���(y|�r��m�8��3�i��6>�Iġ�e;//��ܕ���, b֛#<�Tm �P+�AF7��R�[�^^ח��93�������}��S�x)�J�+�;�aj-�/Q8\�F��-ް��O�e�ѫ'���]���PB�� �W5f̉�y��S<�t���,y�@>;�:Q�3Wf��֢8-��/q���Q�A^YF�_�z�����u ��E�91�����"��ޖ�H�K�[J���}��#"{�TN#X?^��6�+ζEi�̱�������)������>5�$�:d\�z��<���Q(r � ��l����'D mn_�,Y��� \˷m�����&Q�� ���3e睟������ID��-H]FSK$��<�Y7{���ӊ����Zɟ9��F�nvh̲n��x�sV1�;f����<��&r�=i~�[e!ؔV�N]͐��]-�۾\d��jk#=�y��v��b.�V�,��M�z�� pS�~���|,(��h�S��]�o���Ĉ��H�H�xD=��wx���2֢��Њ ���S�=f�t�W�#��B����YI� �;�oXU찮~!�T�M�R0�~-7��������Y�'��dx[4�O����H�g��^!�3� !�.���1��� ���$�]1s:�2�cj�4�3�y�fH��6�*�>V�)��� ��7�6��V�(�X�͆�Cr�q|�S�L�0V��z���>�ϱ��-���/?����8��Y#�@^҇�(�$o������u3}�{�|����t�����j�Z.���>�h~{�1�u���L*g}�=X6Te*�,.:nV�:�A��Dq���d���(�+w���n��$���} HvS�����m `�EBDb��MD����Z `���a�1���r~T]s��D���B�F�#S�61Eˇ�⣋w��|dv������o侭<��|#�X��T$���H%����dڔO�νy�h��mW� ��Rm0d����@�=7�o?�"k:������B�� >��.Bc[�y�t!͎��:�p�*��c�5�_N5bg[��0� 9����/p��6�f�4Nk�M;#��o��0�� �Y�c�`�6��c��S�m��i���o����ۮ��4�$~��w{mm��y g��I�#,X�����|�ˏ�ЋF���b�����k���9�$�aCt0����p�\���nTJ�D��Bk�~�V��l���P"���K@��E3�iJ�!D�3��0�o ׳1{�~�>$��L���[�����1�=�j��;$��P��P�7D�� ����y�ڜϾ��ݝ4�$м;��2���v`(��$&����\x��\�7,]���zE�$נPV9x`;[�S�76O`���^�QS'�c��g�{=���/:q�Ť���6����##kv����i�e��P6O��cW��TS ��l����~�ݚ)���7<��k��l\�k2���o��N)�=���;g����GlG��k��&H�=p��^��5�y�GK�كs_.I��I|�a�<����� #���U�(�a��-�H;�cXky$�`���L��a���~��R '��'�\�lM����^A�/�嫜����#Ȑ=q�-UpaL���F/!è������6M!L��kȥ1a��}�-C(�=���\*�n@Vq�����쓻 ��r�~�L��#�wG+��H��٣�a{+PnLV�Ϊ1�h�Vz�Hy��ÐA��{S(�X}��4Ù����?'��v�{��vR +3Ŧם��XpIwڰ:�3��@�J����-A���WC�v-��w�f�vs�s:,~ �=�+�#�St�"��(#��c�e�t<��Yz�P���)�M���C��9#\Zt.�Y��q �M�z��{��(ϴ_`
Behavioral task
behavioral1
Sample
b76f83801717c6ac03824a03ddfa03ce.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b76f83801717c6ac03824a03ddfa03ce.exe
Resource
win10v2004-20240226-en
General
-
Target
b76f83801717c6ac03824a03ddfa03ce
-
Size
257KB
-
MD5
b76f83801717c6ac03824a03ddfa03ce
-
SHA1
5191e4b99852e4a70ed7601a52cbeda07bf6a3b4
-
SHA256
b09787c8b6f969a17d4d073f12a3e8d06d27f20a5284ad39373b43d7aeea7af6
-
SHA512
e2836c66e9ef4f3c6c34b34e313f8f8c57167d937cc51cf908efe8fba3b5659e21714448a7251847d25977ce8c3d3cfa140d2f2e659675b336500e4c7b8e8ef1
-
SSDEEP
6144:kIVWE+JC/JtTB1LZr5FRcLmKAfncHyH0oCwOX4FikIYfLJOK+EtSpSjg1:7UzCBtTvFZpUzdwg4QkIYfLx+EwSw
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource b76f83801717c6ac03824a03ddfa03ce
Files
-
b76f83801717c6ac03824a03ddfa03ce.exe windows:4 windows x86 arch:x86
3491dabf0064b8bf7498ece66b3e56a6
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
LocalFileTimeToFileTime
SystemTimeToFileTime
CreateFileA
LoadResource
FindResourceA
GetTempPathA
ResumeThread
CreateProcessA
SetThreadPriority
GetCurrentThread
SetPriorityClass
GetCurrentProcess
lstrcatA
GetEnvironmentVariableA
GetShortPathNameA
GetModuleFileNameA
Process32Next
SetFileTime
CreateToolhelp32Snapshot
TerminateProcess
OpenProcess
MoveFileExA
Module32First
FreeLibrary
GetProcAddress
LoadLibraryA
GetSystemDirectoryA
GetLastError
DeviceIoControl
GlobalFree
LoadLibraryExA
GlobalAlloc
GetModuleHandleA
ReadFile
GetFileSize
SizeofResource
WriteFile
CloseHandle
FreeResource
MoveFileA
SetFileAttributesA
DeleteFileA
Process32First
GetTickCount
GetStartupInfoA
GetModuleHandleA
LoadLibraryA
VirtualAlloc
VirtualFree
GetModuleFileNameA
ExitProcess
GetModuleHandleA
LoadLibraryA
VirtualAlloc
VirtualFree
GetModuleFileNameA
ExitProcess
user32
wsprintfA
MessageBoxA
MessageBoxA
advapi32
OpenSCManagerA
StartServiceA
CloseServiceHandle
OpenProcessToken
LookupPrivilegeValueA
AdjustTokenPrivileges
ControlService
OpenServiceA
shlwapi
StrStrIA
msvcrt
_controlfp
rand
srand
strstr
printf
puts
??2@YAPAXI@Z
??3@YAXPAX@Z
_exit
_XcptFilter
exit
_acmdln
__getmainargs
_initterm
__setusermatherr
_adjust_fdiv
__p__commode
__p__fmode
__set_app_type
_except_handler3
Exports
Exports
Sections
.text Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 127KB - Virtual size: 128KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.UPX0 Size: 16KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.UPX1 Size: 36KB - Virtual size: 35KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.UPX0 Size: 512B - Virtual size: 300B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.UPX1 Size: 24KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.UPX2 Size: 34KB - Virtual size: 34KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 1024B - Virtual size: 588B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
xiaohui Size: 67B - Virtual size: 67B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
xiaohui Size: 67B - Virtual size: 67B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ