Behavioral task
behavioral1
Sample
s.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
s.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
out.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
out.exe
Resource
win10v2004-20231215-en
General
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Target
s.bin.zip
-
Size
238KB
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MD5
c3fc842838946bf9766e7b5aabe50e1b
-
SHA1
bc2c0ef06cf6d1bb4c09f63b005a651cf710dd6f
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SHA256
da7afec9f350f42f012d199c0e67f5772322193f9a414f1cc417bce68318f2ef
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SHA512
ce8368e2c69b44f97df6033bc807ca707ba217871a212a2b7266930acfffdc19074fd5ee2ce9eec543821660df17866fa9ff754b7da57b051a3dd7a93b566558
-
SSDEEP
6144:x02ujWjcnSwUGF9e5cjYsqhGzq4aeBla6fhbsY//3Y/k2:u2xjFwUpSYbhS5aeBg6Zbs6wX
Malware Config
Signatures
-
Processes:
resource yara_rule static1/unpack001/s.bin upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/s.bin unpack002/out.upx
Files
-
s.bin.zip.zip
Password: infected
-
s.bin.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: 244KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 224KB - Virtual size: 228KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 28KB - Virtual size: 32KB
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: 20KB - Virtual size: 18KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 360KB - Virtual size: 358KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 72KB - Virtual size: 69KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ