njrat | Steam[.]Upgreyd[.]exe | Triage

Sharing

General

Target

Steam.Upgreyd.exe
Size

43KB
MD5

f0aabba97f470b9a61755d9dfa2a3ff8
SHA1

059523a98fca16f9211881c2bc3d8257f6cba0ed
SHA256

3a3303bb8761484ee722c492b61c43793b64926e42bb3c90112765ae1cfe3406
SHA512

5e1b52211cdfefaedc405825ba58dade787de82d1cfe789236c6b75b9273fe6896c44151dc775397438c269ea0a8edab7b9abfccab777a22f988e3843d634825
SSDEEP

384:wZyM8Yz/wpa9GP4Uy29FDRZ448UEISFhqzIIij+ZsNO3PlpJKkkjh/TzF7pWnQ8W:2b8KR4gh29FDT4FUSQuXQ/o98U+L

Score

10^/10

[email protected]njrat

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

[email protected]

C2

sayrich.ddns.net:7777

Mutex

Yandex. Update

Attributes

reg_key
Yandex. Update
splitter
|Hassan|

Signatures

Njrat family
njrat

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Steam.Upgreyd.exe

Files

Steam.Upgreyd.exe
.exe windows:4 windows x86 arch:x86

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: 41KB - Virtual size: 40KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 1024B

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