Behavioral task
behavioral1
Sample
Trojan-Downloader.Win32.Upatre.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Trojan-Downloader.Win32.Upatre.exe
Resource
win10v2004-20240226-en
General
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Target
Trojan-Downloader.Win32.Upatre.dmid-a8081473d4c1ab249321df9a767c6efad20978190e60417dc8d57bce9b1fd858
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Size
171KB
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MD5
4050d6443fcba6a575b0082bafdfaa8d
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SHA1
3c91acf089ba80839e08f88af2ca8e022b3a7381
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SHA256
a8081473d4c1ab249321df9a767c6efad20978190e60417dc8d57bce9b1fd858
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SHA512
3d748eabd026d50e8ac57fe787353be4156fd7fd0b0b297c6394b51dbe05fb511cb54f8d78984fc7b88597cb565927d89c150d45086b3fa123524366a882044c
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SSDEEP
3072:986OIvyzBIEAXQxuJMIfPrY8Uv3B2f+AUTpldpukuG41s51qSBTwXd:9jOIqBITgwHrY8wA+AUTpldpbKSB8d
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource Trojan-Downloader.Win32.Upatre.dmid-a8081473d4c1ab249321df9a767c6efad20978190e60417dc8d57bce9b1fd858 unpack001/out.upx
Files
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Trojan-Downloader.Win32.Upatre.dmid-a8081473d4c1ab249321df9a767c6efad20978190e60417dc8d57bce9b1fd858.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: 884KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 20KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 19KB - Virtual size: 20KB
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: 16KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 68KB - Virtual size: 849KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 24KB - Virtual size: 23KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ