Behavioral task
behavioral1
Sample
67cfcd1d67977b4570cdf2623433b978.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
67cfcd1d67977b4570cdf2623433b978.exe
Resource
win10v2004-20231215-en
General
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Target
67cfcd1d67977b4570cdf2623433b978
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Size
48KB
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MD5
67cfcd1d67977b4570cdf2623433b978
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SHA1
ec8db68f1edfb96b7c5ccca75f84e5991efdd9be
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SHA256
9f70912fae9db5a46014201384d8696a8ac7f6459b5e4320efa063881c6cab94
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SHA512
e6776f06edff93707ca798d5f044cc39e63f3dba837ebc668bc9ce8c4f0394fe8b1c1a22d8aeb65e9a7195cfe13b650e4b6fb6654a5fdbaccf8ffc69b9236b93
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SSDEEP
384:pJr/ABPXxqAeJfI39JFSo723QPdOmCRJrTQOEABlayQo2Hv0pcl9C5X5UhFFmO:Lr/AhXxqzI393CIdOZgr4abfH/+oFFm
Malware Config
Extracted
guloader
https://docxuploads.com/Server_encrypted_6CF2DC0.bin
https://pacieinco.com/Server_encrypted_6CF2DC0.bin
Signatures
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Guloader family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 67cfcd1d67977b4570cdf2623433b978
Files
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67cfcd1d67977b4570cdf2623433b978.exe windows:4 windows x86 arch:x86
83235a5232d3bbd8003f7c027e240cc9
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
msvbvm60
_CIcos
_adj_fptan
__vbaFreeVar
__vbaStrVarMove
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
_adj_fprem1
ord519
__vbaStrCat
ord629
ord553
__vbaLenBstrB
__vbaHresultCheckObj
ord663
ord557
_adj_fdiv_m32
__vbaLateMemSt
__vbaObjSet
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord706
__vbaFpR8
_CIsin
ord632
__vbaChkstk
EVENT_SINK_AddRef
__vbaStrCmp
__vbaVarTstEq
__vbaObjVar
_adj_fpatan
ord675
ord677
EVENT_SINK_Release
_CIsqrt
EVENT_SINK_QueryInterface
__vbaExceptHandler
ord713
_adj_fprem
_adj_fdivr_m64
__vbaFPException
ord536
_CIlog
__vbaVarLateMemCallLdRf
__vbaNew2
ord648
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
ord612
ord615
__vbaVarLateMemCallLd
__vbaLateMemCallLd
_CIatan
__vbaStrMove
ord542
_allmul
_CItan
_CIexp
__vbaFreeObj
__vbaFreeStr
Sections
.text Size: 36KB - Virtual size: 34KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ