quasar | f12649686e60f0d7f8bebb9c6c3dfd643f0c706f4bdaec49d651e9ff0fad7fbd

General

Target

32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe
Size

3.1MB
MD5

32a233c6cbe98d7457fb45b086aed120
SHA1

a43e35a5edc2a94db1d06f066d1a90cb3c90200d
SHA256

f12649686e60f0d7f8bebb9c6c3dfd643f0c706f4bdaec49d651e9ff0fad7fbd
SHA512

e88b41bc132a74ef6d99d65346202a582278e31659a4d21a71a9cdc0a4df8ad3ede38141df90e5bb0f4a3e92057b1a93e978800317a9ac86a237d22070070cf6
SSDEEP

49152:bv+lL26AaNeWgPhlmVqvMQ7XSKSh6u1JBL/GdDCTHHB72eh2NT:bvuL26AaNeWgPhlmVqkQ7XSKSh6MS

Score

10^/10

quasar office04 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

2a0a:ef40:e4d:2101:29a7:c4aa:c78c:2099:4782

Mutex

f462053d-454d-4001-9f66-dd505b85431b

Attributes

encryption_key
5D4BAF3712899D2801361E6C34F5B11829B6F1E3
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

Processes:

resource	yara_rule
behavioral2/memory/2828-1-0x0000000000A30000-0x0000000000D54000-memory.dmp	family_quasar
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe	family_quasar

Executes dropped EXE 1 IoCs

Processes:

Client.exe

pid process

1660 Client.exe
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2528 schtasks.exe
3492 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exeClient.exe

description pid process

Token: SeDebugPrivilege 2828 32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe
Token: SeDebugPrivilege 1660 Client.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Client.exe

pid process

1660 Client.exe

pid	process
1660	Client.exe

pid	process
2528	schtasks.exe
3492	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	2828	32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe
Token: SeDebugPrivilege	1660	Client.exe

pid	process
1660	Client.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exeClient.exe

description	pid	process	target process
PID 2828 wrote to memory of 2528	2828	32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe	schtasks.exe
PID 2828 wrote to memory of 2528	2828	32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe	schtasks.exe
PID 2828 wrote to memory of 1660	2828	32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe	Client.exe
PID 2828 wrote to memory of 1660	2828	32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe	Client.exe
PID 1660 wrote to memory of 3492	1660	Client.exe	schtasks.exe
PID 1660 wrote to memory of 3492	1660	Client.exe	schtasks.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\32a233c6cbe98d7457fb45b086aed120_NeikiAnalytics.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2828

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:2528

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1660

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:3492

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3896 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
1⤵
PID:332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
Filesize
3.1MB

MD5
32a233c6cbe98d7457fb45b086aed120

SHA1
a43e35a5edc2a94db1d06f066d1a90cb3c90200d

SHA256
f12649686e60f0d7f8bebb9c6c3dfd643f0c706f4bdaec49d651e9ff0fad7fbd

SHA512
e88b41bc132a74ef6d99d65346202a582278e31659a4d21a71a9cdc0a4df8ad3ede38141df90e5bb0f4a3e92057b1a93e978800317a9ac86a237d22070070cf6

Download Submit
memory/1660-9-0x00007FFC3DC90000-0x00007FFC3E751000-memory.dmp

Filesize
10.8MB

Download
memory/1660-11-0x00007FFC3DC90000-0x00007FFC3E751000-memory.dmp

Filesize
10.8MB

Download
memory/1660-12-0x000000001BA70000-0x000000001BAC0000-memory.dmp

Filesize
320KB

Download
memory/1660-13-0x000000001C310000-0x000000001C3C2000-memory.dmp

Filesize
712KB

Download
memory/1660-14-0x00007FFC3DC90000-0x00007FFC3E751000-memory.dmp

Filesize
10.8MB

Download
memory/1660-15-0x00007FFC3DC90000-0x00007FFC3E751000-memory.dmp

Filesize
10.8MB

Download
memory/2828-0-0x00007FFC3DC93000-0x00007FFC3DC95000-memory.dmp

Filesize
8KB

Download
memory/2828-1-0x0000000000A30000-0x0000000000D54000-memory.dmp

Filesize
3.1MB

Download
memory/2828-2-0x00007FFC3DC90000-0x00007FFC3E751000-memory.dmp

Filesize
10.8MB

Download
memory/2828-10-0x00007FFC3DC90000-0x00007FFC3E751000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads