Static task
static1
Behavioral task
behavioral1
Sample
netrekfs.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
netrekfs.exe
Resource
win10v2004-20240802-en
General
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Target
c01bdf179462948d2dca3f64be55b5c9_JaffaCakes118
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Size
13KB
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MD5
c01bdf179462948d2dca3f64be55b5c9
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SHA1
e9ede333cd36ae5b70dd9a7569f8a68b4a46a7a8
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SHA256
21c5f739fae3597d0bbc15d146efca67e7a93e7fa3af45e125acbf8c57dad08a
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SHA512
d0ed1806ebf6c54ac5b32e93cf04a3126fc1582bc4eb1b9ce9bd33f68f27527d3323d279ee9b449f51c505f297d27d4254c09378b2c1cf3ce64aca56d5bc2597
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SSDEEP
384:NmsK6lLFcRrSWMEWAkcJCJe/ZMXaRReA5aSyb8p:zKsLwrbOcJC4/ZMq3eAw4p
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/netrekfs.exe
Files
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c01bdf179462948d2dca3f64be55b5c9_JaffaCakes118.zip
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netrekfs.c
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netrekfs.exe.exe windows:4 windows x86 arch:x86
cf723a1c9b446700d5e46480123e0c4c
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
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
CreateThread
ExitProcess
SetUnhandledExceptionFilter
Sleep
msvcrt
__getmainargs
__p__environ
__p__fmode
__set_app_type
_cexit
_errno
_iob
_onexit
_setmode
atexit
atoi
exit
fprintf
fwrite
printf
puts
setbuf
signal
strerror
tolower
ws2_32
WSAGetLastError
WSAStartup
closesocket
connect
gethostbyname
htons
inet_addr
inet_ntoa
ntohs
recv
send
socket
Sections
.text Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 560B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 128B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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packets.h
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winerr.h