quasar | Windows-Activation[.]zip | Triage

Sharing

General

Target

Windows-Activation.zip
Size

1.1MB
MD5

a95f11ca5a79851b841d4067575157b5
SHA1

38e9c2468ca0dff7d8a29326e8b3f088d53cd8c1
SHA256

84ccda8f5546361630314c5d7be711813e47a8c9f228f8be898691af5cdb9c6d
SHA512

b0361fe666150041221f87bf350e7b7302ecc948e20ef04930c689e60213c992ac0f739705aa9648a3a04b092385fadee4ac4aa4c708f41678bf25be7e7a11a3
SSDEEP

24576:HUY21azKI3AQUwlibre9F7x17QtC+UqRurDQwIjbkq/DiC43JgHCD362:tZXb0C+Uiur0LaPgO62

Score

10^/10

svchost.exe quasar

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Svchost.exe

C2

192.168.1.190:4782

Mutex

75ec4d04-9201-465b-9d52-07fbf8901610

Attributes

encryption_key
BC9F0EB6E1FA6B8559DDF8DE0AEF08110EBCF8E5
install_name
Svchostt.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Svchostt.exe

Signatures

Quasar family
quasar

Quasar payload 1 IoCs

resource	yara_rule
static1/unpack001/Windows-Activation.exe	family_quasar

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Windows-Activation.exe

Files

Windows-Activation.zip
.zip
Windows-Activation.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: 3.1MB - Virtual size: 3.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 7KB - Virtual size: 6KB

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