quasar | 7eae2fbc3b43cdd3d26def03c0e8df723b326416b2e588999b3067289cac8d83

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12/05/2024, 00:28

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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
behavioral2/memory/3428-1-0x0000000000D10000-0x0000000001034000-memory.dmp	family_quasar
behavioral2/files/0x00090000000233e8-6.dat	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
2848	$sxr-insta.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3428	cczczczct.exe
Token: SeDebugPrivilege	2848	$sxr-insta.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2848	$sxr-insta.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 2848	3428	cczczczct.exe	84
PID 3428 wrote to memory of 2848	3428	cczczczct.exe	84

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:3428
- 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:2848

Network

MITRE ATT&CK Matrix

Replay Monitor

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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/2848-9-0x00007FFECB670000-0x00007FFECC131000-memory.dmp

Filesize
10.8MB

Download
memory/2848-11-0x00007FFECB670000-0x00007FFECC131000-memory.dmp

Filesize
10.8MB

Download
memory/2848-12-0x000000001C100000-0x000000001C150000-memory.dmp

Filesize
320KB

Download
memory/2848-13-0x000000001C210000-0x000000001C2C2000-memory.dmp

Filesize
712KB

Download
memory/2848-14-0x000000001C190000-0x000000001C1A2000-memory.dmp

Filesize
72KB

Download
memory/2848-15-0x000000001CB10000-0x000000001CB4C000-memory.dmp

Filesize
240KB

Download
memory/2848-16-0x00007FFECB670000-0x00007FFECC131000-memory.dmp

Filesize
10.8MB

Download
memory/3428-0-0x00007FFECB673000-0x00007FFECB675000-memory.dmp

Filesize
8KB

Download
memory/3428-1-0x0000000000D10000-0x0000000001034000-memory.dmp

Filesize
3.1MB

Download
memory/3428-2-0x00007FFECB670000-0x00007FFECC131000-memory.dmp

Filesize
10.8MB

Download
memory/3428-10-0x00007FFECB670000-0x00007FFECC131000-memory.dmp

Filesize
10.8MB

Download