Behavioral task
behavioral1
Sample
36880e37a127c70743d53776ec4c798f6d8d950a6f0b1b3c89a56c3de87081f3.exe
Resource
win7-20240903-en
General
-
Target
36880e37a127c70743d53776ec4c798f6d8d950a6f0b1b3c89a56c3de87081f3
-
Size
2.7MB
-
MD5
ab264deb2563dc4df8b281b18e0861ba
-
SHA1
0597997f35b1ca77553d1c5c19ef173c0b2301d4
-
SHA256
36880e37a127c70743d53776ec4c798f6d8d950a6f0b1b3c89a56c3de87081f3
-
SHA512
1e2079d865beba4968c20bcaf654347d26c3e11dd24bce2836f18c8323b1fe211932ff5492a49f430935550a98ce9844ed069d53b4bf963464276bda96dab733
-
SSDEEP
49152:aoxgKBVw/KluGvj6M5PJ5mMsxdwc6uOWGyAOyBaVxDrsPqazQFZxbP5Ejq8wrbkU:nwClV6UPSMsdz3GyxyBInsPAjGjqBbkX
Malware Config
Signatures
-
Detected Nirsoft tools 1 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule static1/unpack001/out.upx Nirsoft -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 36880e37a127c70743d53776ec4c798f6d8d950a6f0b1b3c89a56c3de87081f3 unpack001/out.upx
Files
-
36880e37a127c70743d53776ec4c798f6d8d950a6f0b1b3c89a56c3de87081f3.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: 4.9MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 2.7MB - Virtual size: 2.7MB
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
-
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: 2.0MB - Virtual size: 2.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 5.0MB - Virtual size: 5.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 112KB - Virtual size: 553KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 52KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ