Behavioral task
behavioral1
Sample
iepv.chm
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
iepv.chm
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
iepv.exe
Resource
win7-20240708-en
General
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Target
ae27bf199c6c9c71e538551a85723723_JaffaCakes118
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Size
48KB
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MD5
ae27bf199c6c9c71e538551a85723723
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SHA1
1657760763308c97673293f39f39bc26cd55e5fe
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SHA256
cd04532c19befdb29cf65e89636a6383486546b84df8e87d8f8502b15496d2e2
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SHA512
4072ff644a31407db91c6ccf410af577aa01b06fc8024b0b92e0c81cbecf00394ef10b12499137d9fe7b9982790ccc305aa47a31898bd7c8a01599a1520f6e30
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SSDEEP
1536:JeAp0EuFT98O4XGNQpa/oHEzeyZsCZY5TAkCeQneTo+M:JTpxKxlKGNQsVvK5TAXeQeTo+M
Malware Config
Signatures
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Detected Nirsoft tools 1 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
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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ae27bf199c6c9c71e538551a85723723_JaffaCakes118.zip
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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: 56KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 34KB - 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: 47KB - Virtual size: 47KB
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: 12KB - 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