quasar | 65bd56cfb876a9f4399e311f253ed83d45f7fed896eeba9f9c2dc7b6eb26d3f2

General

Target

0c9d62335c53a76df0bdec0bc243d5b0_NeikiAnalytics.exe
Size

3.1MB
MD5

0c9d62335c53a76df0bdec0bc243d5b0
SHA1

691c9d535f8942a9489e0baae271463443a5d298
SHA256

65bd56cfb876a9f4399e311f253ed83d45f7fed896eeba9f9c2dc7b6eb26d3f2
SHA512

4376bfe437defbf0e350b7220c7995a16cf0161881500f0ba7faae371afe5f4aef71858231d8f7b201381ff1c6c06adc132a72db578980019281536112c3b1c8
SSDEEP

49152:SvWI22SsaNYfdPBldt698dBcjHduRJ6KbR3LoGdfTHHB72eh2NT:Sv722SsaNYfdPBldt6+dBcjHduRJ6k

Score

10^/10

quasar office04 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

26.27.32.75:4782

Mutex

0cfc6260-9d2e-4af5-9d5c-36502e10581d

Attributes

encryption_key
812D564FEDCE5BAF795823ACE48DC125C79FF0F6
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 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2944-1-0x0000000000920000-0x0000000000C44000-memory.dmp	family_quasar
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe	family_quasar
behavioral1/memory/3008-9-0x00000000010D0000-0x00000000013F4000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

Processes:

Client.exe

pid process

3008 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

2724 schtasks.exe
2584 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

0c9d62335c53a76df0bdec0bc243d5b0_NeikiAnalytics.exeClient.exe

description pid process

Token: SeDebugPrivilege 2944 0c9d62335c53a76df0bdec0bc243d5b0_NeikiAnalytics.exe
Token: SeDebugPrivilege 3008 Client.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Client.exe

pid process

3008 Client.exe

pid	process
3008	Client.exe

pid	process
2724	schtasks.exe
2584	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	2944	0c9d62335c53a76df0bdec0bc243d5b0_NeikiAnalytics.exe
Token: SeDebugPrivilege	3008	Client.exe

pid	process
3008	Client.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0c9d62335c53a76df0bdec0bc243d5b0_NeikiAnalytics.exeClient.exe

description	pid	process	target process
PID 2944 wrote to memory of 2584	2944	0c9d62335c53a76df0bdec0bc243d5b0_NeikiAnalytics.exe	schtasks.exe
PID 2944 wrote to memory of 2584	2944	0c9d62335c53a76df0bdec0bc243d5b0_NeikiAnalytics.exe	schtasks.exe
PID 2944 wrote to memory of 2584	2944	0c9d62335c53a76df0bdec0bc243d5b0_NeikiAnalytics.exe	schtasks.exe
PID 2944 wrote to memory of 3008	2944	0c9d62335c53a76df0bdec0bc243d5b0_NeikiAnalytics.exe	Client.exe
PID 2944 wrote to memory of 3008	2944	0c9d62335c53a76df0bdec0bc243d5b0_NeikiAnalytics.exe	Client.exe
PID 2944 wrote to memory of 3008	2944	0c9d62335c53a76df0bdec0bc243d5b0_NeikiAnalytics.exe	Client.exe
PID 3008 wrote to memory of 2724	3008	Client.exe	schtasks.exe
PID 3008 wrote to memory of 2724	3008	Client.exe	schtasks.exe
PID 3008 wrote to memory of 2724	3008	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\0c9d62335c53a76df0bdec0bc243d5b0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\0c9d62335c53a76df0bdec0bc243d5b0_NeikiAnalytics.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2944

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:2584

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:3008

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:2724

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
0c9d62335c53a76df0bdec0bc243d5b0

SHA1
691c9d535f8942a9489e0baae271463443a5d298

SHA256
65bd56cfb876a9f4399e311f253ed83d45f7fed896eeba9f9c2dc7b6eb26d3f2

SHA512
4376bfe437defbf0e350b7220c7995a16cf0161881500f0ba7faae371afe5f4aef71858231d8f7b201381ff1c6c06adc132a72db578980019281536112c3b1c8

Download Submit
memory/2944-0-0x000007FEF5F53000-0x000007FEF5F54000-memory.dmp

Filesize
4KB

Download
memory/2944-1-0x0000000000920000-0x0000000000C44000-memory.dmp

Filesize
3.1MB

Download
memory/2944-2-0x000007FEF5F50000-0x000007FEF693C000-memory.dmp

Filesize
9.9MB

Download
memory/2944-8-0x000007FEF5F50000-0x000007FEF693C000-memory.dmp

Filesize
9.9MB

Download
memory/3008-7-0x000007FEF5F50000-0x000007FEF693C000-memory.dmp

Filesize
9.9MB

Download
memory/3008-9-0x00000000010D0000-0x00000000013F4000-memory.dmp

Filesize
3.1MB

Download
memory/3008-10-0x000007FEF5F50000-0x000007FEF693C000-memory.dmp

Filesize
9.9MB

Download
memory/3008-11-0x000007FEF5F50000-0x000007FEF693C000-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