Behavioral task
behavioral1
Sample
holzed.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
holzed.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
ssClientWin3.0/winclient/ssc.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
ssClientWin3.0/winclient/ssc.exe
Resource
win10v2004-20231215-en
General
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Target
597cb45a874d4fb086b5f089aaa23012.bin
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Size
1.1MB
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MD5
597cb45a874d4fb086b5f089aaa23012
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SHA1
4a235316582faf3e8f5c6599691955d0dfbf3f1c
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SHA256
8fc23466703f3d0b951b6a853cab92fbcc6ad90adbf71920a6acae98e0d80f25
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SHA512
0387f63ef28eebbe37680d8b1076fd059f84d3cbf51c6d3812b49e39f3a228df01d8ea3fd49006dcbbd693ce5fae3af5fbc266ede5d55d1878953ebf28c9bddc
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SSDEEP
24576:KrshbMm64A5pAA5aVfHzq/Z7yAIRe7cxUhDSk:28MmhA5pAA6Hzq/xyAIRYcxUhDSk
Malware Config
Signatures
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resource yara_rule static1/unpack001/ssClientWin3.0/winclient/ssc.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/holzed.exe unpack001/ssClientWin3.0/winclient/ssc.exe
Files
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597cb45a874d4fb086b5f089aaa23012.bin.rar
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changelog.txt
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friends.ini
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holzed.exe.exe windows:4 windows x86 arch:x86
beece77ce1457eeaeda3a4c8fd98bd8f
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
LoadLibraryA
GetProcAddress
VirtualAlloc
VirtualFree
user32
IsDialogMessageA
gdi32
SetMapMode
shell32
ShellExecuteA
comctl32
ord17
shlwapi
PathFindExtensionA
oleacc
CreateStdAccessibleObject
winspool.drv
DocumentPropertiesA
advapi32
RegDeleteKeyA
oleaut32
VariantChangeType
Sections
.text Size: 197KB - Virtual size: 372KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 32KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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keys.txt
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readme.txt
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settings.ini
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ssClientWin3.0/clientreadme.txt
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ssClientWin3.0/winclient/skin/Thumbs.db
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ssClientWin3.0/winclient/skin/base.bmp
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ssClientWin3.0/winclient/skin/close1.bmp
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ssClientWin3.0/winclient/skin/close2.bmp
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ssClientWin3.0/winclient/skin/close3.bmp
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ssClientWin3.0/winclient/skin/inactive.bmp
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ssClientWin3.0/winclient/skin/minimize1.bmp
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ssClientWin3.0/winclient/skin/minimize2.bmp
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ssClientWin3.0/winclient/skin/minimize3.bmp
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ssClientWin3.0/winclient/skin/offline.bmp
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ssClientWin3.0/winclient/skin/online.bmp
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ssClientWin3.0/winclient/skin/selectserver1.bmp
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ssClientWin3.0/winclient/skin/selectserver2.bmp
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ssClientWin3.0/winclient/skin/selectserver3.bmp
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ssClientWin3.0/winclient/skin/skin.cfg
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ssClientWin3.0/winclient/skin/ssclient.ico
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ssClientWin3.0/winclient/ssc.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 572KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 327KB - Virtual size: 328KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE