quasar | 0d7087e1dedf2549817b3a07cc8a0875675c34367233089d0c5d372b20eec847

General

Target

420069995f69b06e89dc9a8eb7f60450_NeikiAnalytics.exe
Size

3.1MB
MD5

420069995f69b06e89dc9a8eb7f60450
SHA1

03567ec7091b9197d9c66139201965e8603a5473
SHA256

0d7087e1dedf2549817b3a07cc8a0875675c34367233089d0c5d372b20eec847
SHA512

6f78c3d8a1342bc332b0c6da9101f6477255b2c64ce7981fef2d83c019c65bc92e8ee1fca1654bf247706b7d4617386545bef2804f6188e97ebf69f3b105476c
SSDEEP

49152:uvRt62XlaSFNWPjljiFa2RoUYIQ4mXmzsLoGd5SnTHHB72eh2NT:uvb62XlaSFNWPjljiFXRoUYIQ4mN

Score

10^/10

quasar office04 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.9:4782

Mutex

c966d877-40e6-488c-8bd6-fff2d98fa0fe

Attributes

encryption_key
1FC99B78C10AD07DDB427EA5666C95B4E35D47F8
install_name
damn.exe
log_directory
Logs
reconnect_delay
3000
startup_key
damn
subdirectory
SubDir

Signatures

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

Quasar payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2740-1-0x0000000000860000-0x0000000000B84000-memory.dmp	family_quasar
C:\Users\Admin\AppData\Roaming\SubDir\damn.exe	family_quasar
behavioral1/memory/2744-10-0x0000000000300000-0x0000000000624000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

Processes:

damn.exe

pid process

2744 damn.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

2668 schtasks.exe
3020 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

420069995f69b06e89dc9a8eb7f60450_NeikiAnalytics.exedamn.exe

description pid process

Token: SeDebugPrivilege 2740 420069995f69b06e89dc9a8eb7f60450_NeikiAnalytics.exe
Token: SeDebugPrivilege 2744 damn.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

damn.exe

pid process

2744 damn.exe

pid	process
2744	damn.exe

pid	process
2668	schtasks.exe
3020	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	2740	420069995f69b06e89dc9a8eb7f60450_NeikiAnalytics.exe
Token: SeDebugPrivilege	2744	damn.exe

pid	process
2744	damn.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

420069995f69b06e89dc9a8eb7f60450_NeikiAnalytics.exedamn.exe

description	pid	process	target process
PID 2740 wrote to memory of 3020	2740	420069995f69b06e89dc9a8eb7f60450_NeikiAnalytics.exe	schtasks.exe
PID 2740 wrote to memory of 3020	2740	420069995f69b06e89dc9a8eb7f60450_NeikiAnalytics.exe	schtasks.exe
PID 2740 wrote to memory of 3020	2740	420069995f69b06e89dc9a8eb7f60450_NeikiAnalytics.exe	schtasks.exe
PID 2740 wrote to memory of 2744	2740	420069995f69b06e89dc9a8eb7f60450_NeikiAnalytics.exe	damn.exe
PID 2740 wrote to memory of 2744	2740	420069995f69b06e89dc9a8eb7f60450_NeikiAnalytics.exe	damn.exe
PID 2740 wrote to memory of 2744	2740	420069995f69b06e89dc9a8eb7f60450_NeikiAnalytics.exe	damn.exe
PID 2744 wrote to memory of 2668	2744	damn.exe	schtasks.exe
PID 2744 wrote to memory of 2668	2744	damn.exe	schtasks.exe
PID 2744 wrote to memory of 2668	2744	damn.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\420069995f69b06e89dc9a8eb7f60450_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\420069995f69b06e89dc9a8eb7f60450_NeikiAnalytics.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2740

C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "damn" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\damn.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:3020

C:\Users\Admin\AppData\Roaming\SubDir\damn.exe
"C:\Users\Admin\AppData\Roaming\SubDir\damn.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2744

C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "damn" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\damn.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:2668

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\damn.exe

Filesize
3.1MB

MD5
420069995f69b06e89dc9a8eb7f60450

SHA1
03567ec7091b9197d9c66139201965e8603a5473

SHA256
0d7087e1dedf2549817b3a07cc8a0875675c34367233089d0c5d372b20eec847

SHA512
6f78c3d8a1342bc332b0c6da9101f6477255b2c64ce7981fef2d83c019c65bc92e8ee1fca1654bf247706b7d4617386545bef2804f6188e97ebf69f3b105476c

Download Submit
memory/2740-0-0x000007FEF5D83000-0x000007FEF5D84000-memory.dmp

Filesize
4KB

Download
memory/2740-1-0x0000000000860000-0x0000000000B84000-memory.dmp

Filesize
3.1MB

Download
memory/2740-2-0x000007FEF5D80000-0x000007FEF676C000-memory.dmp

Filesize
9.9MB

Download
memory/2740-9-0x000007FEF5D80000-0x000007FEF676C000-memory.dmp

Filesize
9.9MB

Download
memory/2744-8-0x000007FEF5D80000-0x000007FEF676C000-memory.dmp

Filesize
9.9MB

Download
memory/2744-10-0x0000000000300000-0x0000000000624000-memory.dmp

Filesize
3.1MB

Download
memory/2744-11-0x000007FEF5D80000-0x000007FEF676C000-memory.dmp

Filesize
9.9MB

Download
memory/2744-12-0x000007FEF5D80000-0x000007FEF676C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads