Behavioral task
behavioral1
Sample
e9f7d5b7c1d5df057da73058dfc3934c523ba2e6a2f143374aa46d4eb3511b2b.exe
Resource
win7-20240221-en
General
-
Target
e9f7d5b7c1d5df057da73058dfc3934c523ba2e6a2f143374aa46d4eb3511b2b
-
Size
14KB
-
MD5
221806399f715e4b84f7ccacaaccb38c
-
SHA1
46b1e50a99d136ffa48426c6120122bb176a654f
-
SHA256
e9f7d5b7c1d5df057da73058dfc3934c523ba2e6a2f143374aa46d4eb3511b2b
-
SHA512
b8ea09eeeb95eee14c4e7cabd0b26b9a4b5283843d3141130df7b95bf63e83533c79a7e1b4911391fdd6fd01c864126ebfd9ccb01c499e729add13f7535deab0
-
SSDEEP
384:IO3qdXlIQV0YXd45xuYiMcRWnPbeVGWLPo:IO3EVdV0YXd4DuicNV3zo
Malware Config
Signatures
-
Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
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 e9f7d5b7c1d5df057da73058dfc3934c523ba2e6a2f143374aa46d4eb3511b2b unpack001/out.upx
Files
-
e9f7d5b7c1d5df057da73058dfc3934c523ba2e6a2f143374aa46d4eb3511b2b.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: 60KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
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: 24KB - Virtual size: 20KB
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: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 24KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.htext Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE