quasar | 71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
29/06/2024, 06:02

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General

Target
71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe
Size 685KB
Sample240629-grrdfsvgrq
SHA256 71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c
MD5 89a8e2368f403528e58ea89fca2c4b30
SHA1 21f196ea418a5796125500483754cf09a8111bf6
SHA512 34cf94001566f2537f6433d7c4cbb89c780cc59c00a3fa4bcd3e9164553c4d0d651dbeb95ae439978890f74e00bded473eb46fb5e05cc2220abdc02a74b5f2a0
SSDEEP 12288:Lnci3+GaMl9th6MLlRJTpx6a33Y9vZ5dQZcXFSRUR/dy9DoXAkkAntgoMdTewyb:FJtRJpx+xje+F9eDoXOfdTeN
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

quasar usr persistence spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

pv8stresser.xyz:45201

Mutex

yzyrfG0e0ojtGuJLLm

Attributes

encryption_key
MxiVBHqo0ITsYTvOCUNN6SV9XbYPIBwE
install_name
Client.exe
log_directory
Mozilla
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
behavioral1/memory/2464-71-0x0000000000BD0000-0x0000000000C5C000-memory.dmp	family_quasar
behavioral1/memory/2436-83-0x0000000000400000-0x000000000048C000-memory.dmp	family_quasar

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\isocket = "C:\\Users\\Admin\\isocket.pif"	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.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
2	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2464 set thread context of 2436	2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe	28

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2100	2436	WerFault.exe	28

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2260	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe
2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe
Token: SeDebugPrivilege	2436	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2436	RegAsm.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 2436	2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe	28
PID 2464 wrote to memory of 2436	2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe	28
PID 2464 wrote to memory of 2436	2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe	28
PID 2464 wrote to memory of 2436	2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe	28
PID 2464 wrote to memory of 2436	2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe	28
PID 2464 wrote to memory of 2436	2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe	28
PID 2464 wrote to memory of 2436	2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe	28
PID 2464 wrote to memory of 2436	2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe	28
PID 2464 wrote to memory of 2436	2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe	28
PID 2464 wrote to memory of 2436	2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe	28
PID 2464 wrote to memory of 2436	2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe	28
PID 2464 wrote to memory of 2436	2464	71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe	28
PID 2436 wrote to memory of 348	2436	RegAsm.exe	30
PID 2436 wrote to memory of 348	2436	RegAsm.exe	30
PID 2436 wrote to memory of 348	2436	RegAsm.exe	30
PID 2436 wrote to memory of 348	2436	RegAsm.exe	30
PID 2436 wrote to memory of 2100	2436	RegAsm.exe	32
PID 2436 wrote to memory of 2100	2436	RegAsm.exe	32
PID 2436 wrote to memory of 2100	2436	RegAsm.exe	32
PID 2436 wrote to memory of 2100	2436	RegAsm.exe	32
PID 348 wrote to memory of 1984	348	cmd.exe	33
PID 348 wrote to memory of 1984	348	cmd.exe	33
PID 348 wrote to memory of 1984	348	cmd.exe	33
PID 348 wrote to memory of 1984	348	cmd.exe	33
PID 348 wrote to memory of 2260	348	cmd.exe	34
PID 348 wrote to memory of 2260	348	cmd.exe	34
PID 348 wrote to memory of 2260	348	cmd.exe	34
PID 348 wrote to memory of 2260	348	cmd.exe	34
PID 348 wrote to memory of 2284	348	cmd.exe	35
PID 348 wrote to memory of 2284	348	cmd.exe	35
PID 348 wrote to memory of 2284	348	cmd.exe	35
PID 348 wrote to memory of 2284	348	cmd.exe	35
PID 348 wrote to memory of 2284	348	cmd.exe	35
PID 348 wrote to memory of 2284	348	cmd.exe	35
PID 348 wrote to memory of 2284	348	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2436
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\wfUIjfehRdMg.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:348
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      PID:1984
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 10 localhost
      4⤵
      Runs ping.exe
      PID:2260
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:2284
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 1460
    3⤵
    - Program crash
    PID:2100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

wfUIjfehRdMg.bat

Path C:\Users\Admin\AppData\Local\Temp\wfUIjfehRdMg.bat
Size 215B
SHA256 2679a5368c6b53e90a57610fdce7af867807f4692534ea59cca986c195bd9b60
MD5 aaa0c1403d2a6866bfd6560efb72c6ee
SHA1 e51cb590b4c6c6ca41348adcb79f20b48f48b004
SHA512 d02beb8cf1c7b40791c559177c08b6729c988b1a043d1b5e710a0f43be6e82ed56de809f2db8282063a0505ea179a51b839f43ebcf9f347ecf34ff885c87a313
MD5 SHA1 SHA512

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memory/2284-95-0x0000000000900000-0x0000000000912000-memory.dmp

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memory/2436-83-0x0000000000400000-0x000000000048C000-memory.dmp

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memory/2464-11-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-13-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-37-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-41-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-39-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-35-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-34-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-31-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-29-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-27-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-25-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-23-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-21-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-19-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-17-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-15-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-5-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

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memory/2464-9-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-7-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-63-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-67-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-65-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-59-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-61-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-57-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-55-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-53-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-51-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-49-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-47-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-45-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-43-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-70-0x0000000074A30000-0x000000007511E000-memory.dmp

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memory/2464-71-0x0000000000BD0000-0x0000000000C5C000-memory.dmp

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memory/2464-4-0x00000000001B0000-0x00000000001D1000-memory.dmp

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memory/2464-2-0x00000000001B0000-0x00000000001D8000-memory.dmp

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memory/2464-94-0x0000000074A30000-0x000000007511E000-memory.dmp

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memory/2464-1-0x0000000000ED0000-0x0000000000F82000-memory.dmp

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