quasar | ece2099bd19354e03051f4ec9a7d55c141fb3652070775c882d7dbac538f42c6

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 08:51

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General

Target
b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe
Size 2.7MB
Sample240822-ksbaea1dnr
SHA256 ece2099bd19354e03051f4ec9a7d55c141fb3652070775c882d7dbac538f42c6
MD5 b7081fba6d2df79d3902b276cb06a7e3
SHA1 09514f8b3b0293503de675a21e8ea7899c4be62a
SHA512 79fb03b2c7ac5973606b5ee2adae9a60806f2d6e6fbc70aceb2df21ee291b3d3eb5855e6d5e21b911b6567e51638ceb63684330b1a777a06c7a5dcb6d40ce39f
SSDEEP 49152:2FgzEYRt5chT1D9nW9w2Nn2NBlamvVUzSqRcA/OHiyCX8hqhq4Btoh:wsEzl9W9D52pam8xSA/miy8Rh7mh
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

quasar smart2 discovery spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

SMART2

vpnnid.hopto.org:4783

Mutex

3480c736-2dc5-454c-9fb1-5a26a450ce30

Attributes

encryption_key
C390E62881F25347C39CDE51024A9C687D49675F
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 payload 1 IoCs

resource	yara_rule
behavioral2/memory/3628-14-0x0000000000400000-0x00000000006CA000-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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2636 set thread context of 3628	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	102

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 7 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	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
2404	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2404	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3352	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe
2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe
2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe
2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe
Token: SeDebugPrivilege	3628	RegSvcs.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 3352	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	98
PID 2636 wrote to memory of 3352	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	98
PID 2636 wrote to memory of 3352	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	98
PID 2636 wrote to memory of 1132	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	100
PID 2636 wrote to memory of 1132	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	100
PID 2636 wrote to memory of 1132	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	100
PID 2636 wrote to memory of 3468	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	101
PID 2636 wrote to memory of 3468	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	101
PID 2636 wrote to memory of 3468	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	101
PID 2636 wrote to memory of 3628	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	102
PID 2636 wrote to memory of 3628	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	102
PID 2636 wrote to memory of 3628	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	102
PID 2636 wrote to memory of 3628	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	102
PID 2636 wrote to memory of 3628	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	102
PID 2636 wrote to memory of 3628	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	102
PID 2636 wrote to memory of 3628	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	102
PID 2636 wrote to memory of 3628	2636	b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe	102
PID 3628 wrote to memory of 4440	3628	RegSvcs.exe	103
PID 3628 wrote to memory of 4440	3628	RegSvcs.exe	103
PID 3628 wrote to memory of 4440	3628	RegSvcs.exe	103
PID 4440 wrote to memory of 1584	4440	cmd.exe	105
PID 4440 wrote to memory of 1584	4440	cmd.exe	105
PID 4440 wrote to memory of 1584	4440	cmd.exe	105
PID 4440 wrote to memory of 2404	4440	cmd.exe	106
PID 4440 wrote to memory of 2404	4440	cmd.exe	106
PID 4440 wrote to memory of 2404	4440	cmd.exe	106
PID 4440 wrote to memory of 2504	4440	cmd.exe	107
PID 4440 wrote to memory of 2504	4440	cmd.exe	107
PID 4440 wrote to memory of 2504	4440	cmd.exe	107

C:\Users\Admin\AppData\Local\Temp\b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b7081fba6d2df79d3902b276cb06a7e3_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vzNzqcPGuz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7CF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3352
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:1132
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:3468
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3628
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\gaeTvPFCAn3S.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4440
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      System Location Discovery: System Language Discovery
      PID:1584
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 10 localhost
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2404
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

RegSvcs.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegSvcs.exe.log
Size 1KB
SHA256 20049cc7ade63a31f442dfd2b99740f0512fdcc764266b8b105292e30d2b7483
MD5 38b07cd5da5c740e9629fd801dc26e5a
SHA1 42816159ab9367165cf58603b09b134d488c1690
SHA512 1769ffefe181531476e10311295f38d11b85b5ec3710000b5cb081675e5f233792f96bb4178b75fd0e2cfc86965e7368173d22799a1e9fa3317ddd49047fab5a
MD5 SHA1 SHA512

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gaeTvPFCAn3S.bat

Path C:\Users\Admin\AppData\Local\Temp\gaeTvPFCAn3S.bat
Size 216B
SHA256 6798c730b719934bb4b88104fdd91942fb0dd5f1629b399b4c69073d53906bb1
MD5 11b7f38f29b9ce9204900788b4f86125
SHA1 22e6d1f7f8ba0ac63db958167f02f62fb85df4cf
SHA512 4a23423da7b384f27db754cedcbc7ed5849fa594078694f6a9296b876be2e0ae228c028a37ad92fb22735cbc7fd159ae4eb9442c07ef8d543746006f7ad996d2
MD5 SHA1 SHA512

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tmpC7CF.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpC7CF.tmp
Size 1KB
SHA256 e0747a841b1f35340d2c2e720dcc604699b2ee8dddae21799b6c9dc503d86e12
MD5 e74d362f30d76e1644aa75bcea3f8ad1
SHA1 a785e18a6796251fa337d0bb537c8e79037674f3
SHA512 c0cabf0c5f017905d6fc80b468f1976ecfa963b66179af88857a79f0416c172cfc551b836da1aba44c17a901cae852245f2e4a0766edc1494fc310a60681f36c
MD5 SHA1 SHA512

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memory/2504-31-0x0000000002FA0000-0x0000000002FC1000-memory.dmp

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memory/2504-30-0x0000000005530000-0x000000000556C000-memory.dmp

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memory/2504-29-0x0000000000D40000-0x0000000000D4E000-memory.dmp

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memory/2636-8-0x00000000744DE000-0x00000000744DF000-memory.dmp

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memory/2636-7-0x0000000005730000-0x0000000005742000-memory.dmp

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memory/2636-6-0x0000000007BE0000-0x0000000007C7C000-memory.dmp

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memory/2636-9-0x00000000744D0000-0x0000000074C80000-memory.dmp

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memory/2636-10-0x000000000C820000-0x000000000CB1C000-memory.dmp

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memory/2636-5-0x00000000053D0000-0x00000000053DA000-memory.dmp

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memory/2636-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

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memory/2636-4-0x00000000744D0000-0x0000000074C80000-memory.dmp

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memory/2636-17-0x00000000744D0000-0x0000000074C80000-memory.dmp

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memory/2636-3-0x0000000005210000-0x00000000052A2000-memory.dmp

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memory/2636-2-0x00000000057C0000-0x0000000005D64000-memory.dmp

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memory/2636-1-0x00000000005B0000-0x0000000000868000-memory.dmp

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memory/3628-14-0x0000000000400000-0x00000000006CA000-memory.dmp

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memory/3628-26-0x00000000744D0000-0x0000000074C80000-memory.dmp

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memory/3628-21-0x00000000060B0000-0x0000000006162000-memory.dmp

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memory/3628-20-0x0000000005E50000-0x0000000005EA0000-memory.dmp

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memory/3628-19-0x0000000006360000-0x0000000006978000-memory.dmp

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memory/3628-18-0x00000000744D0000-0x0000000074C80000-memory.dmp

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memory/3628-16-0x00000000744D0000-0x0000000074C80000-memory.dmp

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