quasar | Uni[.]bat | Triage

Sharing

General

Target

Uni.bat
Size

409KB
MD5

1cde09e02e9eb7828e804ed4ee2fe9d7
SHA1

ba8a552f90d468b44114968dcb79fda23c68462d
SHA256

bf028ce6a02f5dfd430b00254dea5b76098e1aa9347032c0a3dc18b4ac3454d8
SHA512

604890dd00cf3f1a96207f4755e6742b6099a1f7761e4cfab087c47533a59a4a499fa32eb2df766610ebf9ddaf4a39c536049c8dd4795201d7a0d4701d4dd36d
SSDEEP

6144:GMr2pJAJcC0B6ADdk8UMud4gGFHg60fJbYnjnl5UrzDYYypu:CpyJcC+fDdk8yThmjl4zcYypu

Score

10^/10

slave quasar

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SLAVE

C2

review-tops.gl.at.ply.gg:48212

Mutex

$Sxr-IGnkORFTlshRl7BdTw

Attributes

encryption_key
xdrmE1vcPotMOKBBWlpp
install_name
$sxr-powershell.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Discord
subdirectory
$77

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

Uni.bat

Files

Uni.bat
.exe windows:4 windows x86 arch:x86

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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: 405KB - Virtual size: 405KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - 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