xworm | StellarNitro[.]rar | Triage

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General

Target

StellarNitro.rar
Size

111KB
MD5

b43b347bdb19360de2ba7daa6234561b
SHA1

5e557cc2f45dcb331ffb3f00f70318618938361d
SHA256

bcf1df323a4259c3351d75be7c9dc1a758926153bb00bb75050a5d1430f8a9ac
SHA512

0d54686eb4aa1d950875994b286484577056aa253d266868f6b41a0497987f4de5807d289b868b33919271b27ed4ee62390e255ed54f169487824b95e3b51d10
SSDEEP

3072:qBWPsfFmxtDc4t2dN1ML23DidPkqP+n2waQTvzM:qMsfFmHV2dMBkK+taoA

Score

10^/10

xworm

Malware Config

Extracted

Family

xworm

Attributes

Install_directory
%AppData%
install_file
USB.exe
pastebin_url
https://pastebin.com/raw/LsuynkUz

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
static1/unpack001/StellarNitro/StellarNitro.exe	family_xworm

Xworm family
xworm

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/StellarNitro/StellarNitro.exe

Files

StellarNitro.rar
.rar

Password: 123
StellarNitro/StellarNitro.exe
.exe windows:4 windows x86 arch:x86

Password: 123

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 76KB - Virtual size: 75KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 102KB - Virtual size: 101KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
StellarNitro/gui.dll
StellarNitro/requirements.txt