quasar | Client-built[.]exe | Triage

Sharing

General

Target

Client-built.exe
Size

3.1MB
MD5

c29f45e56a8e5440afaa649f1e487413
SHA1

c30566ac9bc7b419293b5491c34953098b348ac7
SHA256

66bc9a4e0f2a4227a412decc3fca0aac864ea03220afac1ec097d35635fd3160
SHA512

c6098347f261b69e8d9be58ba069d23e0049c6c5682940aa05c158b98db864d99ab86aebb3968ba3745b23d2f76ca13a707b4615fd4d80ff192704a500406e54
SSDEEP

49152:fvXI22SsaNYfdPBldt698dBcjHymxNESEVk/i/LoGdGTHHB72eh2NT:fvY22SsaNYfdPBldt6+dBcjHbxMD

Score

10^/10

skibdi quasar

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Skibdi

C2

7.tcp.eu.ngrok.io:16233

Mutex

53790885-f84e-49fe-b0f5-533bcec24786

Attributes

encryption_key
3428C8CDB24FFC56DF6BBDDEC9905C3058F7B092
install_name
WindowsDefender.exe
log_directory
Logs
reconnect_delay
3000
startup_key
WindowsDefender
subdirectory
WindowsDefender

Signatures

Quasar family
quasar

Quasar payload 1 IoCs

resource	yara_rule
sample	family_quasar

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Client-built.exe

Files

Client-built.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