quasar | 44b801fdbc011ac9bec93c1e9fde044e88ea76605b7a1ea5988021ddbf58f6d4

Resubmissions

07-01-2025 19:18

250107-x1a1tsvldv 10

07-01-2025 05:26

250107-f4wchawmd1 10

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 05:26

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General

Target

JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe
Size

950KB
MD5

50009ad06a8632a37995f4a94dc76278
SHA1

3105b87fee58f39090ae3cbeb9d09513e5ef3f69
SHA256

44b801fdbc011ac9bec93c1e9fde044e88ea76605b7a1ea5988021ddbf58f6d4
SHA512

2dd4682d736d05b1e845b314234f98b8de554d47618914ae3b9b2e359e76da098dae675c68b8db9c9e14b51ca209f573d758229175abfd2febd270a78bbf7d1a
SSDEEP

24576:1ecCy8fWvhaLU+4tCKsu4JRfl8S7U2MQGmP:hugHt78

Score

10^/10

quasar script kiddie discovery spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Script Kiddie

NaziSec2-64817.portmap.io:64817

Mutex

01912710-4689-49d7-8331-827532b3887f

Attributes

encryption_key
082CB3A67AAB74DC729A374C73C4CFE478208DA9
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 family
quasar

Quasar payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001202c-5.dat	family_quasar
behavioral1/memory/2840-10-0x0000000000CF0000-0x0000000000D7A000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
2840	Temp4pfwaqchnlc.exe

Loads dropped DLL 1 IoCs

pid	Process
1100	JaffaCakes118_50009ad06a8632a37995f4a94dc76278.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	JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2816	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2816	PING.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1100	JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe
Token: SeDebugPrivilege	2840	Temp4pfwaqchnlc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2840	Temp4pfwaqchnlc.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2840	Temp4pfwaqchnlc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 2840	1100	JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe	29
PID 1100 wrote to memory of 2840	1100	JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe	29
PID 1100 wrote to memory of 2840	1100	JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe	29
PID 1100 wrote to memory of 2840	1100	JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe	29
PID 2840 wrote to memory of 2000	2840	Temp4pfwaqchnlc.exe	30
PID 2840 wrote to memory of 2000	2840	Temp4pfwaqchnlc.exe	30
PID 2840 wrote to memory of 2000	2840	Temp4pfwaqchnlc.exe	30
PID 2000 wrote to memory of 2800	2000	cmd.exe	32
PID 2000 wrote to memory of 2800	2000	cmd.exe	32
PID 2000 wrote to memory of 2800	2000	cmd.exe	32
PID 2000 wrote to memory of 2816	2000	cmd.exe	33
PID 2000 wrote to memory of 2816	2000	cmd.exe	33
PID 2000 wrote to memory of 2816	2000	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Users\Admin\AppData\Local\Temp4pfwaqchnlc.exe
  "C:\Users\Admin\AppData\Local\Temp4pfwaqchnlc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\system32\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\losFWz5IAbL9.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2000
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:2800
  - - C:\Windows\system32\PING.EXE
      ping -n 10 localhost
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\losFWz5IAbL9.bat

Filesize
207B

MD5
4a57eba814db851735a51539a2fea60e

SHA1
91a00d021586d9c725e97db0efb64ec8b79d4b76

SHA256
ff06d2ba78989cfcfe66e2c9119991a622c33aa28430cf180e2f11da32072315

SHA512
47e75b37c825a9b30aa0d588dfe1f27472b935d62f08fcae88ab1b9cc65f4880978848ff0be47955193711102ec3caf3454a423969164e8082a9a3eecd6c9f2c

Download Submit
\Users\Admin\AppData\Local\Temp4pfwaqchnlc.exe

Filesize
530KB

MD5
65db4c1db9e3e805f3d64075c1ec2462

SHA1
4f45cd138718bbba73382ff3f1dd7b91e612b5ba

SHA256
a83311053c76e3a3688b5798d9ed1c6ba9cd918b7188e0285cafdcb282820498

SHA512
28b7470916ce0e083ec182c66296a9f76523aacb5ecde8fc047e0cc955ab50dcba911803ef23b2186af3c3b4d8f64c4b1b94632d396c789b425b75105028626a

Download Submit
memory/1100-0-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/1100-1-0x0000000000B00000-0x0000000000B08000-memory.dmp

Filesize
32KB

Download
memory/1100-3-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1100-22-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2840-9-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

Filesize
4KB

Download
memory/2840-10-0x0000000000CF0000-0x0000000000D7A000-memory.dmp

Filesize
552KB

Download
memory/2840-11-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Filesize
9.9MB

Download
memory/2840-20-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Filesize
9.9MB

Download