quasar | 12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b

Analysis

max time kernel
303s
max time network
326s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
12/10/2022, 04:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe
Size

1.7MB
MD5

aba4aae2a1f0ab9149cce695d254782e
SHA1

41b5ef7a15aa23bbb43e4ca9349a87529bd6a49c
SHA256

12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b
SHA512

7ebb27e2b7ec50506421eecd95babb4ae8e1aef92eb0f79136ca29b0323d80c5a41b452fc05c9395097406d2413cd558e9bc02899247a4eda19f8da5931741a3
SSDEEP

24576:PUxJIRCRoenYQb6VOJ8Kgn1beVuumyEU:

Score

10^/10

quasar cio persistence spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Cio

162.19.131.197:4782

Mutex

c5fdf017-8f44-47ea-a69e-0b82e4044ca7

Attributes

encryption_key
59A92039F951E5069C9F50FD9F340E759713B058
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Quasar Client Startup
subdirectory
SubDir

Signatures

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

Quasar payload 2 IoCs

resource	yara_rule
behavioral2/memory/3736-275-0x000000000047E79E-mapping.dmp	family_quasar
behavioral2/memory/3736-310-0x0000000000400000-0x0000000000484000-memory.dmp	family_quasar

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Jlnprgcxco = "\"C:\\Users\\Admin\\AppData\\Roaming\\Eqbuy\\Jlnprgcxco.exe\""	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 3736	2700	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe	68

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2700	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe
4028	powershell.exe
4028	powershell.exe
4028	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe
Token: SeDebugPrivilege	4028	powershell.exe
Token: SeDebugPrivilege	3736	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3736	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 4028	2700	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe	66
PID 2700 wrote to memory of 4028	2700	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe	66
PID 2700 wrote to memory of 4028	2700	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe	66
PID 2700 wrote to memory of 3736	2700	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe	68
PID 2700 wrote to memory of 3736	2700	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe	68
PID 2700 wrote to memory of 3736	2700	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe	68
PID 2700 wrote to memory of 3736	2700	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe	68
PID 2700 wrote to memory of 3736	2700	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe	68
PID 2700 wrote to memory of 3736	2700	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe	68
PID 2700 wrote to memory of 3736	2700	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe	68
PID 2700 wrote to memory of 3736	2700	12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe	68

C:\Users\Admin\AppData\Local\Temp\12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe
"C:\Users\Admin\AppData\Local\Temp\12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4028
- C:\Users\Admin\AppData\Local\Temp\12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe
  C:\Users\Admin\AppData\Local\Temp\12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\12db007413571ceab4f4e4aecd5270f015b027a671c17efbc07db4967167b46b.exe.log

Filesize
1KB

MD5
5c01a57bb6376dc958d99ed7a67870ff

SHA1
d092c7dfd148ac12b086049d215e6b00bd78628d

SHA256
cb8fd245425e915bfc5ff411f26303f7cb4a30ed37f2ea4a2f0a12501aa5f2a4

SHA512
e4e3a4b74f8e209573cce58b572c1f71653e6f4df98f98c5a1cecdf76c9ffb91d5e6994c89df41c9f3613a0584301a56ca922ab7497a434e108b28dcd7d33038

Download Submit
memory/2700-161-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/2700-158-0x0000000004C10000-0x0000000004CF2000-memory.dmp

Filesize
904KB

Download
memory/2700-120-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-121-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-122-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-123-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-124-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-125-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-126-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-127-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-128-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-129-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-130-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-131-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-132-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-133-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-134-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-162-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-136-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-137-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-139-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-138-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-140-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-141-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-142-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-143-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-144-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-145-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-146-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-147-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-148-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-149-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-150-0x00000000000B0000-0x0000000000270000-memory.dmp

Filesize
1.8MB

Download
memory/2700-151-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-152-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-153-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-154-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-155-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-156-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-157-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-118-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-159-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-119-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-160-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-135-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-163-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-164-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-165-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-166-0x0000000005700000-0x0000000005722000-memory.dmp

Filesize
136KB

Download
memory/2700-167-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-168-0x0000000005730000-0x0000000005A80000-memory.dmp

Filesize
3.3MB

Download
memory/2700-169-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-170-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-171-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-172-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-173-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-174-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-175-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-176-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-177-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-178-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-179-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-180-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-181-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-182-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-183-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-184-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-185-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-186-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/3736-339-0x0000000006590000-0x0000000006642000-memory.dmp

Filesize
712KB

Download
memory/3736-310-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/3736-338-0x0000000006370000-0x00000000063C0000-memory.dmp

Filesize
320KB

Download
memory/3736-315-0x0000000005970000-0x0000000005A02000-memory.dmp

Filesize
584KB

Download
memory/3736-314-0x0000000005E70000-0x000000000636E000-memory.dmp

Filesize
5.0MB

Download
memory/3736-332-0x0000000005910000-0x000000000591A000-memory.dmp

Filesize
40KB

Download
memory/3736-336-0x0000000006980000-0x0000000006F86000-memory.dmp

Filesize
6.0MB

Download
memory/4028-223-0x0000000004830000-0x0000000004866000-memory.dmp

Filesize
216KB

Download
memory/4028-228-0x0000000007400000-0x0000000007A28000-memory.dmp

Filesize
6.2MB

Download
memory/4028-248-0x0000000007B30000-0x0000000007B96000-memory.dmp

Filesize
408KB

Download
memory/4028-247-0x0000000007340000-0x00000000073A6000-memory.dmp

Filesize
408KB

Download
memory/4028-251-0x0000000007CE0000-0x0000000007CFC000-memory.dmp

Filesize
112KB

Download
memory/4028-252-0x0000000008270000-0x00000000082BB000-memory.dmp

Filesize
300KB

Download
memory/4028-256-0x0000000008450000-0x00000000084C6000-memory.dmp

Filesize
472KB

Download
memory/4028-267-0x0000000009BB0000-0x000000000A228000-memory.dmp

Filesize
6.5MB

Download
memory/4028-268-0x0000000009160000-0x000000000917A000-memory.dmp

Filesize
104KB

Download