quasar | cccbae1f5f6c7792c6a54cc84fff79dbdd24f1e9b54527143316541d7375aee5

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 04:42

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General

Target

b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
Size

641KB
MD5

b6d96813a4a0aaa4749f4f3643cf50d2
SHA1

1a92c6fd729b7a5d864a9fcc99c07b8edabf06a3
SHA256

cccbae1f5f6c7792c6a54cc84fff79dbdd24f1e9b54527143316541d7375aee5
SHA512

a2aeac591fb63b20abaadde09d4862ebd502368f865ead001c1288be7dd7df5f35ac31747c840f0e4c465ce4dc9e178d99a046bd31d636e6978e2d3cd4cfc06b
SSDEEP

12288:k2XhbUIb4tvvg/2SsajramsSZW9RdWUT5ug8+Xu5+GZH2U:hpU/t82SsaLsWdUT55+5rZH2U

Score

10^/10

quasar office04w discovery persistence spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Office04w

societyf500.ddns.net:5490

Mutex

f4264bdc-b486-4a30-a042-2bcfb907b3c7

Attributes

encryption_key
0204DFA093E27B72F1617CCEA6076BCCE5D0A482
install_name
dwmq.exe
log_directory
Logs
reconnect_delay
3000
startup_key
dwmq
subdirectory
explorer

Signatures

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

Quasar payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/10952-2352-0x0000000000400000-0x0000000000484000-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

Processes:

b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\NVA = "\"C:\\Users\\Admin\\AppData\\Local\\NVA.exe\""	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2336 set thread context of 10952	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	35

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exeb6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe

pid	Process
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exeb6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
Token: SeDebugPrivilege	10952	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2336 wrote to memory of 10912	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	31
PID 2336 wrote to memory of 10912	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	31
PID 2336 wrote to memory of 10912	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	31
PID 2336 wrote to memory of 10912	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	31
PID 2336 wrote to memory of 10920	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	32
PID 2336 wrote to memory of 10920	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	32
PID 2336 wrote to memory of 10920	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	32
PID 2336 wrote to memory of 10920	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	32
PID 2336 wrote to memory of 10936	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	33
PID 2336 wrote to memory of 10936	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	33
PID 2336 wrote to memory of 10936	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	33
PID 2336 wrote to memory of 10936	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	33
PID 2336 wrote to memory of 10944	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	34
PID 2336 wrote to memory of 10944	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	34
PID 2336 wrote to memory of 10944	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	34
PID 2336 wrote to memory of 10944	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	34
PID 2336 wrote to memory of 10952	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	35
PID 2336 wrote to memory of 10952	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	35
PID 2336 wrote to memory of 10952	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	35
PID 2336 wrote to memory of 10952	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	35
PID 2336 wrote to memory of 10952	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	35
PID 2336 wrote to memory of 10952	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	35
PID 2336 wrote to memory of 10952	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	35
PID 2336 wrote to memory of 10952	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	35
PID 2336 wrote to memory of 10952	2336	b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe	35

C:\Users\Admin\AppData\Local\Temp\b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\AppData\Local\Temp\b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
  2⤵
  PID:10912
- C:\Users\Admin\AppData\Local\Temp\b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
  2⤵
  PID:10920
- C:\Users\Admin\AppData\Local\Temp\b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
  2⤵
  PID:10936
- C:\Users\Admin\AppData\Local\Temp\b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
  2⤵
  PID:10944
- C:\Users\Admin\AppData\Local\Temp\b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b6d96813a4a0aaa4749f4f3643cf50d2_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:10952

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2336-40-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-16-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-2-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2336-3-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2336-4-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2336-5-0x0000000000830000-0x00000000008B0000-memory.dmp

Filesize
512KB

Download
memory/2336-6-0x0000000004F70000-0x0000000004FE8000-memory.dmp

Filesize
480KB

Download
memory/2336-46-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-70-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-68-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-66-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-64-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-62-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-60-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-58-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-56-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2336-52-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-50-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-48-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-44-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-42-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-36-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-38-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-54-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-34-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-32-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-30-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-28-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-26-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-24-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-22-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-20-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-18-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-1-0x00000000001D0000-0x0000000000276000-memory.dmp

Filesize
664KB

Download
memory/2336-14-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-12-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-10-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-8-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-7-0x0000000004F70000-0x0000000004FE2000-memory.dmp

Filesize
456KB

Download
memory/2336-2354-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/10952-2352-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/10952-2353-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/10952-2355-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/10952-2356-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/10952-2357-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download