Overview
overview
7Static
static
7TEMPLATE/F...��.htm
windows7-x64
1TEMPLATE/F...��.htm
windows10-2004-x64
1TEMPLATE/N...��.htm
windows7-x64
1TEMPLATE/N...��.htm
windows10-2004-x64
1TEMPLATE/N...��.htm
windows7-x64
1TEMPLATE/N...��.htm
windows10-2004-x64
1TEMPLATE/N...��.htm
windows7-x64
1TEMPLATE/N...��.htm
windows10-2004-x64
1TEMPLATE/N...��.htm
windows7-x64
1TEMPLATE/N...��.htm
windows10-2004-x64
1TEMPLATE/N...��.htm
windows7-x64
1TEMPLATE/N...��.htm
windows10-2004-x64
1TEMPLATE/R...��.htm
windows7-x64
1TEMPLATE/R...��.htm
windows10-2004-x64
1TEMPLATE/R...��.htm
windows7-x64
1TEMPLATE/R...��.htm
windows10-2004-x64
1TEMPLATE/R...��.htm
windows7-x64
1TEMPLATE/R...��.htm
windows10-2004-x64
1TEMPLATE/R...��.htm
windows7-x64
1TEMPLATE/R...��.htm
windows10-2004-x64
1TEMPLATE/R...��.htm
windows7-x64
1TEMPLATE/R...��.htm
windows10-2004-x64
1kmupdate.exe
windows7-x64
7kmupdate.exe
windows10-2004-x64
7koomail.exe
windows7-x64
7koomail.exe
windows10-2004-x64
7安装说明.url
windows7-x64
1安装说明.url
windows10-2004-x64
1Behavioral task
behavioral1
Sample
TEMPLATE/FORWARD/html普通转发.htm
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
TEMPLATE/FORWARD/html普通转发.htm
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
TEMPLATE/NEW/印象.htm
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
TEMPLATE/NEW/印象.htm
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
TEMPLATE/NEW/坚持.htm
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
TEMPLATE/NEW/坚持.htm
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
TEMPLATE/NEW/春雨.htm
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
TEMPLATE/NEW/春雨.htm
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
TEMPLATE/NEW/灰细纹.htm
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
TEMPLATE/NEW/灰细纹.htm
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
TEMPLATE/NEW/蓝细纹.htm
Resource
win7-20240220-en
Behavioral task
behavioral12
Sample
TEMPLATE/NEW/蓝细纹.htm
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
TEMPLATE/REPLY/印象.htm
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
TEMPLATE/REPLY/印象.htm
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
TEMPLATE/REPLY/坚持.htm
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
TEMPLATE/REPLY/坚持.htm
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
TEMPLATE/REPLY/春雨.htm
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
TEMPLATE/REPLY/春雨.htm
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
TEMPLATE/REPLY/灰细纹.htm
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
TEMPLATE/REPLY/灰细纹.htm
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
TEMPLATE/REPLY/蓝细纹.htm
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
TEMPLATE/REPLY/蓝细纹.htm
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
kmupdate.exe
Resource
win7-20240220-en
Behavioral task
behavioral24
Sample
kmupdate.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
koomail.exe
Resource
win7-20240221-en
Behavioral task
behavioral26
Sample
koomail.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
安装说明.url
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
安装说明.url
Resource
win10v2004-20240226-en
General
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Target
d1ed886239aac3d60eccbd3aa049e84e.bin
-
Size
1.9MB
-
MD5
d1ed886239aac3d60eccbd3aa049e84e
-
SHA1
0b8a143730473df7afbea6716208d862b7f6028d
-
SHA256
1aeaafab401ed0caae82f6627e33522703a8023829cffd63baf9c7c0ccf21e8d
-
SHA512
39b4799f166be62003d2d4a903c5148cb36c7097b8c9c0f8daf876d412ec834a873ef62c47f49ba9ba77fe3f097235aeddab9ef5ae1332cc77338a30583c72b1
-
SSDEEP
49152:EZgEDTYroJ0lBNIydOEmbHCGJfDy1IgUS9Emj8O69CgX:E6E3bUB1ri3Jm1IdaEmj8rCgX
Malware Config
Signatures
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resource yara_rule static1/unpack001/kmupdate.exe upx static1/unpack001/koomail.exe upx -
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/kmupdate.exe unpack002/out.upx unpack001/koomail.exe
Files
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d1ed886239aac3d60eccbd3aa049e84e.bin.rar
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NEWMAIL.WAV
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QQWry.Dat
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SERVER.INI
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TEMPLATE/FORWARD/html普通转发.htm.html
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TEMPLATE/FORWARD/html普通转发.htm.ini
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TEMPLATE/FORWARD/普通转发.txt
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TEMPLATE/FORWARD/普通转发.txt.ini
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TEMPLATE/MACRO/_kooDATE.gif.gif
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TEMPLATE/MACRO/_kooFROMADDR.gif.gif
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TEMPLATE/MACRO/_kooFROMNAME.gif.gif
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TEMPLATE/MACRO/_kooOLDCC.gif.gif
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TEMPLATE/MACRO/_kooOLDRECVER.gif.gif
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TEMPLATE/MACRO/_kooQUOTEOLD.gif.gif
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TEMPLATE/MACRO/_kooRECVDATE.gif.gif
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TEMPLATE/MACRO/_kooRECVNAME.gif.gif
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TEMPLATE/MACRO/_kooRECVSUBJECT.gif.gif
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TEMPLATE/MACRO/_kooRECVTIME.gif.gif
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TEMPLATE/MACRO/_kooREPLYADDR.gif.gif
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TEMPLATE/MACRO/_kooREPLYNAME.gif.gif
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TEMPLATE/MACRO/_kooTIME.gif.gif
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TEMPLATE/MACRO/_kooTOADDR.gif.gif
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TEMPLATE/MACRO/_kooTODUTYNAME.GIF.gif
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TEMPLATE/MACRO/_kooTONAME.gif.gif
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TEMPLATE/MACRO/_kooTONICKNAME.GIF.gif
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TEMPLATE/MACRO/_kooTOSHOWNAME.GIF.gif
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TEMPLATE/NEW/Html模板.htm.ini
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TEMPLATE/NEW/印象.htm.html
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TEMPLATE/NEW/印象.htm.ini
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TEMPLATE/NEW/坚持.htm.html
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TEMPLATE/NEW/坚持.htm.ini
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TEMPLATE/NEW/宽蓝纹.htm.ini
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TEMPLATE/NEW/春雨.htm.html
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TEMPLATE/NEW/春雨.htm.ini
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TEMPLATE/NEW/普通信件.txt
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TEMPLATE/NEW/灰细纹.htm.html
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TEMPLATE/NEW/灰细纹.htm.ini
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TEMPLATE/NEW/简单.txt
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TEMPLATE/NEW/简单.txt.ini
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TEMPLATE/NEW/航行.htm.ini
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TEMPLATE/NEW/英文普通信件.txt
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TEMPLATE/NEW/蓝细纹.htm.html
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TEMPLATE/NEW/蓝细纹.htm.ini
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TEMPLATE/REPLY/印象.htm.html
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TEMPLATE/REPLY/印象.htm.ini
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TEMPLATE/REPLY/坚持.htm.html
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TEMPLATE/REPLY/坚持.htm.ini
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TEMPLATE/REPLY/春雨.htm.html
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TEMPLATE/REPLY/春雨.htm.ini
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TEMPLATE/REPLY/普通回复.txt
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TEMPLATE/REPLY/灰细纹.htm.html
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TEMPLATE/REPLY/灰细纹.htm.ini
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TEMPLATE/REPLY/简单.txt
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TEMPLATE/REPLY/简单.txt.ini
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TEMPLATE/REPLY/英文普通回复.txt
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TEMPLATE/REPLY/蓝细纹.htm.html
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TEMPLATE/REPLY/蓝细纹.htm.ini
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TEMPLATE/koomail_images/PE15-2.gif
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TEMPLATE/koomail_images/RE03-5.gif
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TEMPLATE/koomail_images/Thumbs.db
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TEMPLATE/koomail_images/back1.gif.gif
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TEMPLATE/koomail_images/back2.gif.gif
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TEMPLATE/koomail_images/back2_2.GIF
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kmupdate.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_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 16KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 9KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.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_32BIT_MACHINE
Sections
.text Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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koomail.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_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 4.1MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 1.7MB - Virtual size: 1.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 79KB - Virtual size: 80KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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koomail.exe.manifest
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license.txt
-
安装说明.url.url