quasar | rab[.]exe | Triage

Sharing

General

Target

rab.exe
Size

3.1MB
MD5

20290ac43ac1bed38b4ba6a9c8a0563c
SHA1

8ba324cb8ef2fd31ff6e5d7395ed33178141a28e
SHA256

250ed85363ae1d6dd070a462f1ac25a8a74c5e1380359d85eb082b0eaf4bb8b1
SHA512

ef2f449cbbbb9e5cf9ae3af3406c80af4422cb0b65d690d28807da02e8ad7416831f80ce63365ce12ee730c31c4ce18d787673838cf3c3c3d102de11aa53111e
SSDEEP

49152:qvflL26AaNeWgPhlmVqvMQ7XSKYnQaEfeIk/l4DoGdpTHHB72eh2NT:qvtL26AaNeWgPhlmVqkQ7XSKYnQIw

Score

10^/10

megahack_v1488 quasar

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

MegaHack_v1488

C2

rab1.premium-televizor.net:18651

Mutex

af92703d-a16f-40c6-8fff-b3793fd59f85

Attributes

encryption_key
0F1B05653C3B3AB3BB4ECD772DD024668CBE8DF1
install_name
system32.exe
log_directory
Keyboard
reconnect_delay
3000
startup_key
Trusted Installer
subdirectory
SubDir

Signatures

Quasar family
quasar
Quasar payload 1 IoCs

Processes:

resource yara_rule

sample family_quasar
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.

Processes:

resource

rab.exe

Files

rab.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: 3KB - Virtual size: 2KB

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