quasar | d2d3f197a13bdd19a00bc0a2e1de1704f3103142d723b0a6a0ab522aa0bd4524

Analysis

max time kernel
145s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 00:13

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General

Target

a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe
Size

656KB
MD5

a4e04fcc301833211359e575150cc7cc
SHA1

815d3f4eb2029ec80408bea43fb1e1febadadaf6
SHA256

d2d3f197a13bdd19a00bc0a2e1de1704f3103142d723b0a6a0ab522aa0bd4524
SHA512

82ec43e69b86c26aec4f2b22e25301259f9ec00fdb1e9b3c67699a71dac04d1b6148f1a01f0922832b99d631ae5e292cf020a6e0054ddaf056a25b1b49add376
SSDEEP

12288:k5bTxmvjcBEEnpMuWtlVQOGKxWd1zmFCWNshg78cBhjr2JWH3Qx02U:6bTxmvjanpRy2K8d1zmI4shgP5rxHgxQ

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/11332-2472-0x0000000000400000-0x0000000000484000-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:

a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\NVA = "\"C:\\Users\\Admin\\AppData\\Local\\NVA.exe\""	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe

description	pid	Process	procid_target
PID 1712 set thread context of 11332	1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe	31

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:

a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exea4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe

pid	Process
1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe
1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe
1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe
1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe
1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe
1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe
1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exea4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe
Token: SeDebugPrivilege	11332	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe

description	pid	Process	procid_target
PID 1712 wrote to memory of 11332	1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe	31
PID 1712 wrote to memory of 11332	1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe	31
PID 1712 wrote to memory of 11332	1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe	31
PID 1712 wrote to memory of 11332	1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe	31
PID 1712 wrote to memory of 11332	1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe	31
PID 1712 wrote to memory of 11332	1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe	31
PID 1712 wrote to memory of 11332	1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe	31
PID 1712 wrote to memory of 11332	1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe	31
PID 1712 wrote to memory of 11332	1712	a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a4e04fcc301833211359e575150cc7cc_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:1712
- C:\Users\Admin\AppData\Local\Temp\a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a4e04fcc301833211359e575150cc7cc_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:11332

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/1712-37-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-3-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/1712-2-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/1712-39-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-4-0x0000000000C90000-0x0000000000D10000-memory.dmp

Filesize
512KB

Download
memory/1712-5-0x00000000050B0000-0x000000000512C000-memory.dmp

Filesize
496KB

Download
memory/1712-27-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-25-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-23-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-21-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-51-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-17-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-0-0x00000000742BE000-0x00000000742BF000-memory.dmp

Filesize
4KB

Download
memory/1712-13-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-11-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-9-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-7-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-6-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-41-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-61-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-19-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-1-0x0000000001190000-0x000000000123A000-memory.dmp

Filesize
680KB

Download
memory/1712-15-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-35-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-33-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-31-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-29-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-69-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-67-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-2473-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/1712-65-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-63-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-59-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-57-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-43-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-55-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-53-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-49-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-47-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/1712-45-0x00000000050B0000-0x0000000005125000-memory.dmp

Filesize
468KB

Download
memory/11332-2474-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/11332-2472-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/11332-2475-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/11332-2476-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download