parallax | 8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9

Analysis

max time kernel
150s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
20-11-2022 03:43

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General

Target

8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe
Size

201KB
MD5

004552c78c12616e07ed593729038c0d
SHA1

b2dce0331b16c0bbadb11322fd7f135cb0c68400
SHA256

8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9
SHA512

430933a40e02fe9ed081a645575b291efe9b4f9d8d08c142c39e62db88a1d2feb9978e72b85781c26e1987f19a21250001fa85026619619d85acac9b390811d4
SSDEEP

6144:Hza2Nj+MLxwkcWTq/81DDiSTz9nqEja3TXU0xtFa:HqEjk7l7Fa

Score

10^/10

parallax persistence rat upx

Malware Config

Signatures

ParallaxRat
ParallaxRat is a multipurpose RAT written in MASM.
rat parallax

Executes dropped EXE 2 IoCs

pid	Process
544	security.exe
548	security.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1876-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1876-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1876-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1876-66-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1876-65-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1876-69-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1876-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/548-110-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/548-112-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Loads dropped DLL 5 IoCs

pid	Process
1876	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe
1876	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe
1876	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe
1876	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe
1876	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\Security = "C:\\Users\\Admin\\AppData\\Roaming\\Security\\security.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2012 set thread context of 1876	2012	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	28
PID 544 set thread context of 548	544	security.exe	33
PID 544 set thread context of 1828	544	security.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe
Token: SeDebugPrivilege	548	security.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2012	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe
1876	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe
544	security.exe
548	security.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 1876	2012	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	28
PID 2012 wrote to memory of 1876	2012	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	28
PID 2012 wrote to memory of 1876	2012	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	28
PID 2012 wrote to memory of 1876	2012	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	28
PID 2012 wrote to memory of 1876	2012	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	28
PID 2012 wrote to memory of 1876	2012	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	28
PID 2012 wrote to memory of 1876	2012	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	28
PID 2012 wrote to memory of 1876	2012	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	28
PID 1876 wrote to memory of 936	1876	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	29
PID 1876 wrote to memory of 936	1876	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	29
PID 1876 wrote to memory of 936	1876	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	29
PID 1876 wrote to memory of 936	1876	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	29
PID 936 wrote to memory of 1180	936	cmd.exe	31
PID 936 wrote to memory of 1180	936	cmd.exe	31
PID 936 wrote to memory of 1180	936	cmd.exe	31
PID 936 wrote to memory of 1180	936	cmd.exe	31
PID 1876 wrote to memory of 544	1876	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	32
PID 1876 wrote to memory of 544	1876	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	32
PID 1876 wrote to memory of 544	1876	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	32
PID 1876 wrote to memory of 544	1876	8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe	32
PID 544 wrote to memory of 548	544	security.exe	33
PID 544 wrote to memory of 548	544	security.exe	33
PID 544 wrote to memory of 548	544	security.exe	33
PID 544 wrote to memory of 548	544	security.exe	33
PID 544 wrote to memory of 548	544	security.exe	33
PID 544 wrote to memory of 548	544	security.exe	33
PID 544 wrote to memory of 548	544	security.exe	33
PID 544 wrote to memory of 548	544	security.exe	33
PID 544 wrote to memory of 1828	544	security.exe	34
PID 544 wrote to memory of 1828	544	security.exe	34
PID 544 wrote to memory of 1828	544	security.exe	34
PID 544 wrote to memory of 1828	544	security.exe	34
PID 544 wrote to memory of 1828	544	security.exe	34
PID 544 wrote to memory of 1828	544	security.exe	34
PID 544 wrote to memory of 1828	544	security.exe	34
PID 544 wrote to memory of 1828	544	security.exe	34
PID 544 wrote to memory of 1828	544	security.exe	34

C:\Users\Admin\AppData\Local\Temp\8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe
"C:\Users\Admin\AppData\Local\Temp\8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe
  "C:\Users\Admin\AppData\Local\Temp\8751c9c2b10285b625eb2cfed9592dd3ed19e57bc1c818c43d40d5f0f1d96ec9.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1876
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\HKWAX.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:936
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Security" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Security\security.exe" /f
      4⤵
      Adds Run key to start application
      PID:1180
- - C:\Users\Admin\AppData\Roaming\Security\security.exe
    "C:\Users\Admin\AppData\Roaming\Security\security.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:544
  - - C:\Users\Admin\AppData\Roaming\Security\security.exe
      "C:\Users\Admin\AppData\Roaming\Security\security.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:548
  - - C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      4⤵
      PID:1828

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HKWAX.bat

Filesize
147B

MD5
6f473a1ba53e043362047f72e20b34f4

SHA1
e8f121a589e1207ed950453376ee1d21b1223835

SHA256
5fbce2c77a90ba9edbcf60be3851ab81633b7c10b1babb624d475c7be589de4b

SHA512
b4976d40bc708ae6cddf367a5382cd532e4cf235b848cdaa4e4d317e06d9126e50745a7772591bc21dc7380689f4399e57501b0aa73cd231bce32e22d53b0818

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

Filesize
201KB

MD5
8442ad350b4c8b1a5acd8e0e32b67d95

SHA1
56d375aecd1a4e290e7b2406e4b9680e696c3ef7

SHA256
821760516d405e023890f49280445e8480bbe6bd30e0c1ddb39a499afce7c86b

SHA512
ea66751005bd3a5f371e338704e96747a442aa0f1b3665d1de2bd78414620cd8007976d77360194bcf2e28944c6a445a380bb317362f1e29248df30537f5d0a4

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

Filesize
201KB

MD5
8442ad350b4c8b1a5acd8e0e32b67d95

SHA1
56d375aecd1a4e290e7b2406e4b9680e696c3ef7

SHA256
821760516d405e023890f49280445e8480bbe6bd30e0c1ddb39a499afce7c86b

SHA512
ea66751005bd3a5f371e338704e96747a442aa0f1b3665d1de2bd78414620cd8007976d77360194bcf2e28944c6a445a380bb317362f1e29248df30537f5d0a4

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

Filesize
201KB

MD5
8442ad350b4c8b1a5acd8e0e32b67d95

SHA1
56d375aecd1a4e290e7b2406e4b9680e696c3ef7

SHA256
821760516d405e023890f49280445e8480bbe6bd30e0c1ddb39a499afce7c86b

SHA512
ea66751005bd3a5f371e338704e96747a442aa0f1b3665d1de2bd78414620cd8007976d77360194bcf2e28944c6a445a380bb317362f1e29248df30537f5d0a4

Download Submit
\Users\Admin\AppData\Roaming\Security\security.exe

Filesize
201KB

MD5
8442ad350b4c8b1a5acd8e0e32b67d95

SHA1
56d375aecd1a4e290e7b2406e4b9680e696c3ef7

SHA256
821760516d405e023890f49280445e8480bbe6bd30e0c1ddb39a499afce7c86b

SHA512
ea66751005bd3a5f371e338704e96747a442aa0f1b3665d1de2bd78414620cd8007976d77360194bcf2e28944c6a445a380bb317362f1e29248df30537f5d0a4

Download Submit
\Users\Admin\AppData\Roaming\Security\security.exe

Filesize
201KB

MD5
8442ad350b4c8b1a5acd8e0e32b67d95

SHA1
56d375aecd1a4e290e7b2406e4b9680e696c3ef7

SHA256
821760516d405e023890f49280445e8480bbe6bd30e0c1ddb39a499afce7c86b

SHA512
ea66751005bd3a5f371e338704e96747a442aa0f1b3665d1de2bd78414620cd8007976d77360194bcf2e28944c6a445a380bb317362f1e29248df30537f5d0a4

Download Submit
\Users\Admin\AppData\Roaming\Security\security.exe

Filesize
201KB

MD5
8442ad350b4c8b1a5acd8e0e32b67d95

SHA1
56d375aecd1a4e290e7b2406e4b9680e696c3ef7

SHA256
821760516d405e023890f49280445e8480bbe6bd30e0c1ddb39a499afce7c86b

SHA512
ea66751005bd3a5f371e338704e96747a442aa0f1b3665d1de2bd78414620cd8007976d77360194bcf2e28944c6a445a380bb317362f1e29248df30537f5d0a4

Download Submit
\Users\Admin\AppData\Roaming\Security\security.exe

Filesize
201KB

MD5
8442ad350b4c8b1a5acd8e0e32b67d95

SHA1
56d375aecd1a4e290e7b2406e4b9680e696c3ef7

SHA256
821760516d405e023890f49280445e8480bbe6bd30e0c1ddb39a499afce7c86b

SHA512
ea66751005bd3a5f371e338704e96747a442aa0f1b3665d1de2bd78414620cd8007976d77360194bcf2e28944c6a445a380bb317362f1e29248df30537f5d0a4

Download Submit
\Users\Admin\AppData\Roaming\Security\security.exe

Filesize
201KB

MD5
8442ad350b4c8b1a5acd8e0e32b67d95

SHA1
56d375aecd1a4e290e7b2406e4b9680e696c3ef7

SHA256
821760516d405e023890f49280445e8480bbe6bd30e0c1ddb39a499afce7c86b

SHA512
ea66751005bd3a5f371e338704e96747a442aa0f1b3665d1de2bd78414620cd8007976d77360194bcf2e28944c6a445a380bb317362f1e29248df30537f5d0a4

Download Submit
memory/544-83-0x000000000052F000-0x0000000000541000-memory.dmp

Filesize
72KB

Download
memory/548-110-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/548-112-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1828-95-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1828-109-0x000007FEFB941000-0x000007FEFB943000-memory.dmp

Filesize
8KB

Download
memory/1828-106-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1828-104-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1828-102-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1828-99-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1828-94-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1876-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1876-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1876-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1876-70-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1876-65-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1876-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1876-69-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1876-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1876-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2012-56-0x000000000060C000-0x000000000061E000-memory.dmp

Filesize
72KB

Download