Behavioral task
behavioral1
Sample
f2060976.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f2060976.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
out.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
out.exe
Resource
win10v2004-20240419-en
General
-
Target
f2060976.exe
-
Size
6.1MB
-
MD5
4e9c242403f543c668dbef71a911fa5c
-
SHA1
f1afd5b55128fb638fcf7dae1a77e0a9c92d04f5
-
SHA256
5ad8ece7e82515644ebc36f2feabd06ac3d565097cdc50f3d8b2b470b5454375
-
SHA512
4091dad227ebd1a58153eefb631f8662d13543386712b607237e8f623b235f195f1ed4890ec26709e6d42805454a2175eef1ba71af9f1c4490a7c73c23f4d34c
-
SSDEEP
196608:JR1E4JI28vp4wlJPJlwjXU8rJ4L3JUqE:JU4iBDl/lgXUmJcZUP
Malware Config
Signatures
-
Privateloader family
-
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource f2060976.exe unpack001/out.upx
Files
-
f2060976.exe.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: 8.5MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 6.1MB - Virtual size: 6.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 84KB - Virtual size: 88KB
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
.code Size: 165KB - Virtual size: 164KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.text Size: 594KB - Virtual size: 594KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 114KB - Virtual size: 113KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 13.1MB - Virtual size: 13.6MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 83KB - Virtual size: 82KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.modplug Size: - Virtual size: 20KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE