parallax | 6aada60dd11d7a1157b24ccffa3d6ef2b5200487779ea648c36a92ffdba93af8

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18-02-2024 14:33

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General

Target

test.exe
Size

3.3MB
MD5

fbeec3a99ddfa31e7aac9b09f4ca8158
SHA1

2b66e39b1e98320db37578a317021f870a39302b
SHA256

6aada60dd11d7a1157b24ccffa3d6ef2b5200487779ea648c36a92ffdba93af8
SHA512

62bc3ee9f312d341116c37c8c0e781896699aa598e7904c2eb6fe5374aa17eda77fa053346e9909bf5677b4ccd59e7ea8e6d4ac5c637f434532abd040f24f88d
SSDEEP

49152:KvyI22SsaNYfdPBldt698dBcjHdffaBxtFoGdKTHHB72eh2NT:Kvf22SsaNYfdPBldt6+dBcjHRfK

Score

10^/10

parallax quasar office04 rat spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

192.168.0.220:1234

Mutex

1086eee1-251e-49e1-b643-b2a2bc0e42ea

Attributes

encryption_key
A0937AB413B78114B0DA85D9EA95BA3AF9187438
install_name
Updater.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Application Frame Handler
subdirectory
Security

Signatures

ParallaxRat
ParallaxRat is a multipurpose RAT written in MASM.
rat parallax
Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Quasar payload 3 IoCs

resource	yara_rule
behavioral2/memory/3600-0-0x0000000000BA0000-0x0000000000EF8000-memory.dmp	family_quasar
behavioral2/files/0x000600000002324c-6.dat	family_quasar
behavioral2/files/0x000600000002324c-7.dat	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
2284	Updater.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
4576	schtasks.exe
1652	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
464	msedge.exe
464	msedge.exe
3256	msedge.exe
3256	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
3256	msedge.exe
3256	msedge.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3600	test.exe
Token: SeDebugPrivilege	2284	Updater.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe
3256	msedge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2284	Updater.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 4576	3600	test.exe	85
PID 3600 wrote to memory of 4576	3600	test.exe	85
PID 3600 wrote to memory of 2284	3600	test.exe	86
PID 3600 wrote to memory of 2284	3600	test.exe	86
PID 2284 wrote to memory of 1652	2284	Updater.exe	87
PID 2284 wrote to memory of 1652	2284	Updater.exe	87
PID 3256 wrote to memory of 4124	3256	msedge.exe	100
PID 3256 wrote to memory of 4124	3256	msedge.exe	100
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 2572	3256	msedge.exe	101
PID 3256 wrote to memory of 464	3256	msedge.exe	102
PID 3256 wrote to memory of 464	3256	msedge.exe	102
PID 3256 wrote to memory of 4764	3256	msedge.exe	103
PID 3256 wrote to memory of 4764	3256	msedge.exe	103
PID 3256 wrote to memory of 4764	3256	msedge.exe	103
PID 3256 wrote to memory of 4764	3256	msedge.exe	103
PID 3256 wrote to memory of 4764	3256	msedge.exe	103
PID 3256 wrote to memory of 4764	3256	msedge.exe	103
PID 3256 wrote to memory of 4764	3256	msedge.exe	103
PID 3256 wrote to memory of 4764	3256	msedge.exe	103
PID 3256 wrote to memory of 4764	3256	msedge.exe	103
PID 3256 wrote to memory of 4764	3256	msedge.exe	103
PID 3256 wrote to memory of 4764	3256	msedge.exe	103
PID 3256 wrote to memory of 4764	3256	msedge.exe	103
PID 3256 wrote to memory of 4764	3256	msedge.exe	103
PID 3256 wrote to memory of 4764	3256	msedge.exe	103

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\test.exe
"C:\Users\Admin\AppData\Local\Temp\test.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3600
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "Application Frame Handler" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Security\Updater.exe" /rl HIGHEST /f
  2⤵
  - Creates scheduled task(s)
  PID:4576
- C:\Users\Admin\AppData\Roaming\Security\Updater.exe
  "C:\Users\Admin\AppData\Roaming\Security\Updater.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2284
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "Application Frame Handler" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Security\Updater.exe" /rl HIGHEST /f
    3⤵
    - Creates scheduled task(s)
    PID:1652

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3256
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ffc6b0b46f8,0x7ffc6b0b4708,0x7ffc6b0b4718
  2⤵
  PID:4124
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,13262641941447427527,656689230827413285,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2168 /prefetch:2
  2⤵
  PID:2572
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2144,13262641941447427527,656689230827413285,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2248 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:464
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2144,13262641941447427527,656689230827413285,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2720 /prefetch:8
  2⤵
  PID:4764
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,13262641941447427527,656689230827413285,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3396 /prefetch:1
  2⤵
  PID:2312
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,13262641941447427527,656689230827413285,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3416 /prefetch:1
  2⤵
  PID:5088
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,13262641941447427527,656689230827413285,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5072 /prefetch:1
  2⤵
  PID:3376
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,13262641941447427527,656689230827413285,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5028 /prefetch:1
  2⤵
  PID:1448

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3360

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
84381d71cf667d9a138ea03b3283aea5

SHA1
33dfc8a32806beaaafaec25850b217c856ce6c7b

SHA256
32dd52cc3142b6e758bd60adead81925515b31581437472d1f61bdeda24d5424

SHA512
469bfac06152c8b0a82de28e01f7ed36dc27427205830100b1416b7cd8d481f5c4369e2ba89ef1fdd932aaf17289a8e4ede303393feab25afc1158cb931d23a3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
222e458d0daaa12ccd2b4d0cde00e6a7

SHA1
ef0f98291b2b3aa0c3bd28f9a978ee53c9cd4a73

SHA256
6a6e104ddf2c37292fe97df4e05c380762281042906c75a399edec9dab8e33e7

SHA512
b3acb4524bb591583527d48ce034d9f274c6e02d5fc98999d4ba504156a7cd7c5b011d7f9ec7d43301f71f2a4c8ccf8344b9d60868db4df6dffd7985e22e2ce4

Download Submit
C:\Users\Admin\AppData\Roaming\Security\Updater.exe

Filesize
1.1MB

MD5
f255b68f355f71f044d13cfdbbb3abc1

SHA1
233031d5596f8395df112b81997473bbe5bc19ab

SHA256
fef90b178f13511a959b5347fb4692e20aa1d8d0a06f81bfeb00098945e37871

SHA512
2a0a7a8ab8c208b7eb1acac764b76228417d24613ab880985542df4ca6752fdea25718e455f1bd08acc1149bcaa4edfa6221231170d9942ce14da8d3e558cd39

Download Submit
C:\Users\Admin\AppData\Roaming\Security\Updater.exe

Filesize
3.3MB

MD5
fbeec3a99ddfa31e7aac9b09f4ca8158

SHA1
2b66e39b1e98320db37578a317021f870a39302b

SHA256
6aada60dd11d7a1157b24ccffa3d6ef2b5200487779ea648c36a92ffdba93af8

SHA512
62bc3ee9f312d341116c37c8c0e781896699aa598e7904c2eb6fe5374aa17eda77fa053346e9909bf5677b4ccd59e7ea8e6d4ac5c637f434532abd040f24f88d

Download Submit
memory/2284-13-0x000000001CB80000-0x000000001CC32000-memory.dmp

Filesize
712KB

Download
memory/2284-9-0x00007FFC6F9B0000-0x00007FFC70471000-memory.dmp

Filesize
10.8MB

Download
memory/2284-11-0x00000000032D0000-0x00000000032E0000-memory.dmp

Filesize
64KB

Download
memory/2284-12-0x0000000003340000-0x0000000003390000-memory.dmp

Filesize
320KB

Download
memory/2284-14-0x00007FFC6F9B0000-0x00007FFC70471000-memory.dmp

Filesize
10.8MB

Download
memory/2284-15-0x00000000032D0000-0x00000000032E0000-memory.dmp

Filesize
64KB

Download
memory/3600-10-0x00007FFC6F9B0000-0x00007FFC70471000-memory.dmp

Filesize
10.8MB

Download
memory/3600-0-0x0000000000BA0000-0x0000000000EF8000-memory.dmp

Filesize
3.3MB

Download
memory/3600-2-0x000000001BC40000-0x000000001BC50000-memory.dmp

Filesize
64KB

Download
memory/3600-1-0x00007FFC6F9B0000-0x00007FFC70471000-memory.dmp

Filesize
10.8MB

Download