quasar | Windows-Activation[.]exe | Triage

Sharing

General

Target

Windows-Activation.exe
Size

3.1MB
MD5

ae747de0584eeab55957aa8ec12ba488
SHA1

41483b8e1ff488a546e08de74ac09300fe63c80b
SHA256

300bad38953dd87cda952bb60f1999a5ea1f9c0f64a3f0f842633b982b15194b
SHA512

f744156f05ebe0adbbe0e3973783e60e0d2b98ea8c33a147f0e1afe1cdd749b994453b7da4f8c45c73af0569453f85dacddde57820aa1f9a94e3f7350445b68c
SSDEEP

49152:evBt62XlaSFNWPjljiFa2RoUYIRetwHBxjooGd33THHB72eh2NT:evr62XlaSFNWPjljiFXRoUYIyw4

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
sample	family_quasar

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Windows-Activation.exe

Files

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