quasar | 40525cff979beb41423e0f62c34534c7ba0b6247d2b4b1e59b5530730b6d444f

General

Target

Wave.exe
Size

348KB
MD5

2e7510e5fe1be2775c6121bb6938b12e
SHA1

e0d45a01f51c27241dde8444493f77b5f9067fec
SHA256

40525cff979beb41423e0f62c34534c7ba0b6247d2b4b1e59b5530730b6d444f
SHA512

04e1f49383fa6afa36243227b4e5e7f5b93c2a4c72eb9ebf21cdfef1562234d85a357d8440a00ecde3b81fab85166d7ed9353b64e09959b5bbc38ff37496c2db
SSDEEP

6144:WONHXf500M9GCZ07NEUV7/ObEkgdV4dEvofhwQfhG:td50kJEUVbzkgdOd1fWQfhG

Score

10^/10

quasar wave discovery spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Wave

C2

69.203.201.20:63604

Mutex

QSR_MUTEX_n0f6at7YDD5llBKKrq

Attributes

encryption_key
b3G1emXfh7duwNMYxuBC
install_name
Wave.exe
log_directory
Logs
reconnect_delay
3000
startup_key
WaveExec
subdirectory
Waveinstallation

Signatures

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

Quasar payload 2 IoCs

resource	yara_rule
behavioral2/memory/1616-1-0x0000000000300000-0x000000000035E000-memory.dmp	family_quasar
behavioral2/files/0x001c00000002aa9e-10.dat	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
1636	Wave.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	ip-api.com

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Wave.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Wave.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3728	schtasks.exe
1064	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	Wave.exe
Token: SeDebugPrivilege	1636	Wave.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1636	Wave.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 3728	1616	Wave.exe	78
PID 1616 wrote to memory of 3728	1616	Wave.exe	78
PID 1616 wrote to memory of 3728	1616	Wave.exe	78
PID 1616 wrote to memory of 1636	1616	Wave.exe	80
PID 1616 wrote to memory of 1636	1616	Wave.exe	80
PID 1616 wrote to memory of 1636	1616	Wave.exe	80
PID 1636 wrote to memory of 1064	1636	Wave.exe	81
PID 1636 wrote to memory of 1064	1636	Wave.exe	81
PID 1636 wrote to memory of 1064	1636	Wave.exe	81

C:\Users\Admin\AppData\Local\Temp\Wave.exe
"C:\Users\Admin\AppData\Local\Temp\Wave.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /create /tn "WaveExec" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\Wave.exe" /rl HIGHEST /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3728
- C:\Users\Admin\AppData\Roaming\Waveinstallation\Wave.exe
  "C:\Users\Admin\AppData\Roaming\Waveinstallation\Wave.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "WaveExec" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Waveinstallation\Wave.exe" /rl HIGHEST /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
0d57fc33826cdd8ab7f1fd188829748d

SHA1
40fab51cd74493d07e0c37af6bfee896e9d0cef6

SHA256
4ff6a3eca1a0964fa036fcc54b2fa2137de9ade61e8140cee7e3136352445c41

SHA512
dd02119b787943e580156d89ea75ad38eff863bf560d4ec33fa4e52202f0b6252e928322f73e3a3e11685fb0cff204af4d67c6818bdf9812d7b458c362965aaa

Download Submit
C:\Users\Admin\AppData\Roaming\Waveinstallation\Wave.exe

Filesize
348KB

MD5
2e7510e5fe1be2775c6121bb6938b12e

SHA1
e0d45a01f51c27241dde8444493f77b5f9067fec

SHA256
40525cff979beb41423e0f62c34534c7ba0b6247d2b4b1e59b5530730b6d444f

SHA512
04e1f49383fa6afa36243227b4e5e7f5b93c2a4c72eb9ebf21cdfef1562234d85a357d8440a00ecde3b81fab85166d7ed9353b64e09959b5bbc38ff37496c2db

Download Submit
memory/1616-3-0x0000000004ED0000-0x0000000004F62000-memory.dmp

Filesize
584KB

Download
memory/1616-0-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

Filesize
4KB

Download
memory/1616-4-0x0000000074CF0000-0x00000000754A1000-memory.dmp

Filesize
7.7MB

Download
memory/1616-5-0x0000000004E40000-0x0000000004EA6000-memory.dmp

Filesize
408KB

Download
memory/1616-6-0x0000000005B50000-0x0000000005B62000-memory.dmp

Filesize
72KB

Download
memory/1616-7-0x0000000006080000-0x00000000060BC000-memory.dmp

Filesize
240KB

Download
memory/1616-2-0x0000000005480000-0x0000000005A26000-memory.dmp

Filesize
5.6MB

Download
memory/1616-1-0x0000000000300000-0x000000000035E000-memory.dmp

Filesize
376KB

Download
memory/1616-15-0x0000000074CF0000-0x00000000754A1000-memory.dmp

Filesize
7.7MB

Download
memory/1636-14-0x0000000074CF0000-0x00000000754A1000-memory.dmp

Filesize
7.7MB

Download
memory/1636-16-0x0000000074CF0000-0x00000000754A1000-memory.dmp

Filesize
7.7MB

Download
memory/1636-18-0x00000000068E0000-0x00000000068EA000-memory.dmp

Filesize
40KB

Download
memory/1636-19-0x0000000074CF0000-0x00000000754A1000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads