quasar | 7eae2fbc3b43cdd3d26def03c0e8df723b326416b2e588999b3067289cac8d83

Analysis

max time kernel
144s
max time network
155s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
12/05/2024, 00:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cczczczct.exe
Size

3.1MB
MD5

7dc415be6b5069a7d9ff053c71f5c539
SHA1

9840d00e82b0f7e534dafcd90600992d7f2e9aff
SHA256

7eae2fbc3b43cdd3d26def03c0e8df723b326416b2e588999b3067289cac8d83
SHA512

f34b9d8a0b2278d828b07f31e2f5017a98df56cd14cc4d83ee4b9effd324c6381dac32f5b54185a6c964cb24e17edfd802faf80d15350e229a3d5a13527b79b7
SSDEEP

49152:ZvUI22SsaNYfdPBldt698dBcjHm1/QBxODoGdIl2HTHHB72eh2NT:ZvZ22SsaNYfdPBldt6+dBcjHY/L

Score

10^/10

quasar shiba spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Shiba

base-acrylic.gl.at.ply.gg:50210

Mutex

37893ca3-e1b1-469d-b94b-62c8587fe81f

Attributes

encryption_key
A88D7FED7F655EBDC4F99C21BAE5EC62300AADC7
install_name
$sxr-insta.exe
log_directory
$sxr-logs
reconnect_delay
1000
startup_key
$sxr-mstha
subdirectory
$sxr-start

Signatures

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Quasar payload 2 IoCs

resource	yara_rule
behavioral1/memory/2328-1-0x00000000008B0000-0x0000000000BD4000-memory.dmp	family_quasar
behavioral1/files/0x000800000001ab9f-6.dat	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
1140	$sxr-insta.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	cczczczct.exe
Token: SeDebugPrivilege	1140	$sxr-insta.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1140	$sxr-insta.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 1140	2328	cczczczct.exe	73
PID 2328 wrote to memory of 1140	2328	cczczczct.exe	73

C:\Users\Admin\AppData\Local\Temp\cczczczct.exe
"C:\Users\Admin\AppData\Local\Temp\cczczczct.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Roaming\$sxr-start\$sxr-insta.exe
  "C:\Users\Admin\AppData\Roaming\$sxr-start\$sxr-insta.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1140

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\$sxr-start\$sxr-insta.exe

Filesize
3.1MB

MD5
7dc415be6b5069a7d9ff053c71f5c539

SHA1
9840d00e82b0f7e534dafcd90600992d7f2e9aff

SHA256
7eae2fbc3b43cdd3d26def03c0e8df723b326416b2e588999b3067289cac8d83

SHA512
f34b9d8a0b2278d828b07f31e2f5017a98df56cd14cc4d83ee4b9effd324c6381dac32f5b54185a6c964cb24e17edfd802faf80d15350e229a3d5a13527b79b7

Download Submit
memory/1140-11-0x00007FF957DB0000-0x00007FF95879C000-memory.dmp

Filesize
9.9MB

Download
memory/1140-10-0x00007FF957DB0000-0x00007FF95879C000-memory.dmp

Filesize
9.9MB

Download
memory/1140-12-0x000000001BF00000-0x000000001BF50000-memory.dmp

Filesize
320KB

Download
memory/1140-13-0x000000001C010000-0x000000001C0C2000-memory.dmp

Filesize
712KB

Download
memory/1140-16-0x000000001BF70000-0x000000001BF82000-memory.dmp

Filesize
72KB

Download
memory/1140-17-0x000000001BFD0000-0x000000001C00E000-memory.dmp

Filesize
248KB

Download
memory/1140-18-0x00007FF957DB0000-0x00007FF95879C000-memory.dmp

Filesize
9.9MB

Download
memory/1140-19-0x00007FF957DB0000-0x00007FF95879C000-memory.dmp

Filesize
9.9MB

Download
memory/2328-2-0x00007FF957DB0000-0x00007FF95879C000-memory.dmp

Filesize
9.9MB

Download
memory/2328-1-0x00000000008B0000-0x0000000000BD4000-memory.dmp

Filesize
3.1MB

Download
memory/2328-9-0x00007FF957DB0000-0x00007FF95879C000-memory.dmp

Filesize
9.9MB

Download
memory/2328-0-0x00007FF957DB3000-0x00007FF957DB4000-memory.dmp

Filesize
4KB

Download