quasar | 44b801fdbc011ac9bec93c1e9fde044e88ea76605b7a1ea5988021ddbf58f6d4

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

C2

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/0x002a000000046053-7.dat	family_quasar
behavioral1/memory/236-18-0x0000000000480000-0x000000000050A000-memory.dmp	family_quasar

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-1-5-21-3226857575-536881564-1522996248-1000\Control Panel\International\Geo\Nation	JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe

Executes dropped EXE 1 IoCs

pid	Process
236	Tempe41seq034mm.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

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	3080	JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe
Token: SeDebugPrivilege	236	Tempe41seq034mm.exe
Token: SeDebugPrivilege	2020	taskmgr.exe
Token: SeSystemProfilePrivilege	2020	taskmgr.exe
Token: SeCreateGlobalPrivilege	2020	taskmgr.exe
Token: 33	2020	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2020	taskmgr.exe

Suspicious use of FindShellTrayWindow 33 IoCs

pid	Process
236	Tempe41seq034mm.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe

Suspicious use of SendNotifyMessage 33 IoCs

pid	Process
236	Tempe41seq034mm.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe
2020	taskmgr.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 236	3080	JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe	85
PID 3080 wrote to memory of 236	3080	JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50009ad06a8632a37995f4a94dc76278.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3080
- C:\Users\Admin\AppData\Local\Tempe41seq034mm.exe
  "C:\Users\Admin\AppData\Local\Tempe41seq034mm.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:236

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

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\Tempe41seq034mm.exe

Filesize
530KB

MD5
65db4c1db9e3e805f3d64075c1ec2462

SHA1
4f45cd138718bbba73382ff3f1dd7b91e612b5ba

SHA256
a83311053c76e3a3688b5798d9ed1c6ba9cd918b7188e0285cafdcb282820498

SHA512
28b7470916ce0e083ec182c66296a9f76523aacb5ecde8fc047e0cc955ab50dcba911803ef23b2186af3c3b4d8f64c4b1b94632d396c789b425b75105028626a

Download Submit
memory/236-20-0x0000000002690000-0x00000000026E0000-memory.dmp

Filesize
320KB

Download
memory/236-37-0x00007FFF0E2B3000-0x00007FFF0E2B5000-memory.dmp

Filesize
8KB

Download
memory/236-21-0x000000001B290000-0x000000001B342000-memory.dmp

Filesize
712KB

Download
memory/236-17-0x00007FFF0E2B3000-0x00007FFF0E2B5000-memory.dmp

Filesize
8KB

Download
memory/236-18-0x0000000000480000-0x000000000050A000-memory.dmp

Filesize
552KB

Download
memory/236-19-0x00007FFF0E2B0000-0x00007FFF0ED72000-memory.dmp

Filesize
10.8MB

Download
memory/2020-23-0x000001E9BBD20000-0x000001E9BBD21000-memory.dmp

Filesize
4KB

Download
memory/2020-33-0x000001E9BBD20000-0x000001E9BBD21000-memory.dmp

Filesize
4KB

Download
memory/2020-24-0x000001E9BBD20000-0x000001E9BBD21000-memory.dmp

Filesize
4KB

Download
memory/2020-28-0x000001E9BBD20000-0x000001E9BBD21000-memory.dmp

Filesize
4KB

Download
memory/2020-22-0x000001E9BBD20000-0x000001E9BBD21000-memory.dmp

Filesize
4KB

Download
memory/2020-29-0x000001E9BBD20000-0x000001E9BBD21000-memory.dmp

Filesize
4KB

Download
memory/2020-34-0x000001E9BBD20000-0x000001E9BBD21000-memory.dmp

Filesize
4KB

Download
memory/2020-30-0x000001E9BBD20000-0x000001E9BBD21000-memory.dmp

Filesize
4KB

Download
memory/2020-32-0x000001E9BBD20000-0x000001E9BBD21000-memory.dmp

Filesize
4KB

Download
memory/2020-31-0x000001E9BBD20000-0x000001E9BBD21000-memory.dmp

Filesize
4KB

Download
memory/3080-3-0x0000000075160000-0x0000000075911000-memory.dmp

Filesize
7.7MB

Download
memory/3080-0-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/3080-35-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/3080-36-0x0000000075160000-0x0000000075911000-memory.dmp

Filesize
7.7MB

Download
memory/3080-1-0x0000000000750000-0x0000000000758000-memory.dmp

Filesize
32KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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