Behavioral task
behavioral1
Sample
iepv.chm
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
iepv.chm
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
iepv.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
iepv.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
新云软件.url
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
新云软件.url
Resource
win10v2004-20231215-en
General
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Target
7c96f428953dc823de65d90f78533c3a
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Size
51KB
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MD5
7c96f428953dc823de65d90f78533c3a
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SHA1
3864abd219385b76694136c617e7a748830fc34f
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SHA256
a6ab5b59b9a9699232488d9310793a36865e49e8c252b313a04c0789ac9621ef
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SHA512
c5d0c45a5f9d3625c952469088ef0caff492b3d325abd00118cae04aba75c73acb8bb1d665ba29282eb08f502d3f245009604b99868082cba763f28a13efd166
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SSDEEP
1536:7sg0DGgCaxCw5yRbpaGjAd89cuoCdXKhC5:n0DGI5ubwGjAzCdR
Malware Config
Signatures
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Nirsoft 1 IoCs
resource yara_rule static1/unpack002/out.upx Nirsoft -
resource yara_rule static1/unpack001/iepv.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/iepv.exe unpack002/out.upx
Files
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7c96f428953dc823de65d90f78533c3a.rar
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IEPV_lng.ini
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iepv.chm.chm
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iepv.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 60KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 35KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 6KB - Virtual size: 8KB
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_32BIT_MACHINE
Sections
.text Size: 48KB - Virtual size: 48KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 10KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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iepv_sites.txt
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readme.txt
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新云软件.url.url