parallax | 163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453

Analysis

max time kernel
169s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
08-11-2022 15:00

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General

Target

163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe
Size

201KB
MD5

091b245a94e211c06342a7039acbc643
SHA1

5c3d1bc830767d47aaf579fb72367933f799e9a9
SHA256

163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453
SHA512

d00301d958275ce1c97e82b7f1819ddef27a47059abd8823958ef988363af45d745055738c8a9e8272ae7c4392cf0d90dd09b3c68e6ae602521bb0458c9fd218
SSDEEP

6144:Hza2Nj+MLxwkcWTq/81DDiSTz9nqEja3TXU0xtFM:HqEjk7l7FM

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
1236	security.exe
1188	security.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1568-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1568-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1568-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1568-65-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1568-66-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1568-70-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1568-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1188-110-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1188-112-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Loads dropped DLL 5 IoCs

pid	Process
1568	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe
1568	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe
1568	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe
1568	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe
1568	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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 1116 set thread context of 1568	1116	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	28
PID 1236 set thread context of 1188	1236	security.exe	33
PID 1236 set thread context of 812	1236	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	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe
Token: SeDebugPrivilege	1188	security.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1116	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe
1568	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe
1236	security.exe
1188	security.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 1568	1116	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	28
PID 1116 wrote to memory of 1568	1116	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	28
PID 1116 wrote to memory of 1568	1116	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	28
PID 1116 wrote to memory of 1568	1116	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	28
PID 1116 wrote to memory of 1568	1116	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	28
PID 1116 wrote to memory of 1568	1116	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	28
PID 1116 wrote to memory of 1568	1116	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	28
PID 1116 wrote to memory of 1568	1116	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	28
PID 1568 wrote to memory of 908	1568	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	29
PID 1568 wrote to memory of 908	1568	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	29
PID 1568 wrote to memory of 908	1568	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	29
PID 1568 wrote to memory of 908	1568	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	29
PID 908 wrote to memory of 1676	908	cmd.exe	31
PID 908 wrote to memory of 1676	908	cmd.exe	31
PID 908 wrote to memory of 1676	908	cmd.exe	31
PID 908 wrote to memory of 1676	908	cmd.exe	31
PID 1568 wrote to memory of 1236	1568	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	32
PID 1568 wrote to memory of 1236	1568	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	32
PID 1568 wrote to memory of 1236	1568	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	32
PID 1568 wrote to memory of 1236	1568	163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe	32
PID 1236 wrote to memory of 1188	1236	security.exe	33
PID 1236 wrote to memory of 1188	1236	security.exe	33
PID 1236 wrote to memory of 1188	1236	security.exe	33
PID 1236 wrote to memory of 1188	1236	security.exe	33
PID 1236 wrote to memory of 1188	1236	security.exe	33
PID 1236 wrote to memory of 1188	1236	security.exe	33
PID 1236 wrote to memory of 1188	1236	security.exe	33
PID 1236 wrote to memory of 1188	1236	security.exe	33
PID 1236 wrote to memory of 812	1236	security.exe	34
PID 1236 wrote to memory of 812	1236	security.exe	34
PID 1236 wrote to memory of 812	1236	security.exe	34
PID 1236 wrote to memory of 812	1236	security.exe	34
PID 1236 wrote to memory of 812	1236	security.exe	34
PID 1236 wrote to memory of 812	1236	security.exe	34
PID 1236 wrote to memory of 812	1236	security.exe	34
PID 1236 wrote to memory of 812	1236	security.exe	34
PID 1236 wrote to memory of 812	1236	security.exe	34

C:\Users\Admin\AppData\Local\Temp\163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe
"C:\Users\Admin\AppData\Local\Temp\163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Users\Admin\AppData\Local\Temp\163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe
  "C:\Users\Admin\AppData\Local\Temp\163332c8094ff17201bf90f233c65a4733c4475e2489c74f31b9b10513921453.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1568
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\OBNVM.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:908
  - - 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:1676
- - 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:1236
  - - 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:1188
  - - C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      4⤵
      PID:812

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\OBNVM.bat

Filesize
147B

MD5
6f473a1ba53e043362047f72e20b34f4

SHA1
e8f121a589e1207ed950453376ee1d21b1223835

SHA256
5fbce2c77a90ba9edbcf60be3851ab81633b7c10b1babb624d475c7be589de4b

SHA512
b4976d40bc708ae6cddf367a5382cd532e4cf235b848cdaa4e4d317e06d9126e50745a7772591bc21dc7380689f4399e57501b0aa73cd231bce32e22d53b0818

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

Filesize
201KB

MD5
6ef4e75af0a2a448e4b3f04df5c205f9

SHA1
8881381e43d9b47cfdbbb2d94cc695984e163db2

SHA256
85e7f4fe708eb419457dbc11fa352758218e9f6d7c734d094f0fcbcf68451caf

SHA512
5412d67f6381f737280afe2a18790d3f83c5d8f85372ccee02717b2e930163666aae3c8e6a3c2a1b0f67394f15496f43a10c6c053a6c6e82591d6ff391ef14ac

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

Filesize
201KB

MD5
6ef4e75af0a2a448e4b3f04df5c205f9

SHA1
8881381e43d9b47cfdbbb2d94cc695984e163db2

SHA256
85e7f4fe708eb419457dbc11fa352758218e9f6d7c734d094f0fcbcf68451caf

SHA512
5412d67f6381f737280afe2a18790d3f83c5d8f85372ccee02717b2e930163666aae3c8e6a3c2a1b0f67394f15496f43a10c6c053a6c6e82591d6ff391ef14ac

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

Filesize
201KB

MD5
6ef4e75af0a2a448e4b3f04df5c205f9

SHA1
8881381e43d9b47cfdbbb2d94cc695984e163db2

SHA256
85e7f4fe708eb419457dbc11fa352758218e9f6d7c734d094f0fcbcf68451caf

SHA512
5412d67f6381f737280afe2a18790d3f83c5d8f85372ccee02717b2e930163666aae3c8e6a3c2a1b0f67394f15496f43a10c6c053a6c6e82591d6ff391ef14ac

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

Filesize
201KB

MD5
6ef4e75af0a2a448e4b3f04df5c205f9

SHA1
8881381e43d9b47cfdbbb2d94cc695984e163db2

SHA256
85e7f4fe708eb419457dbc11fa352758218e9f6d7c734d094f0fcbcf68451caf

SHA512
5412d67f6381f737280afe2a18790d3f83c5d8f85372ccee02717b2e930163666aae3c8e6a3c2a1b0f67394f15496f43a10c6c053a6c6e82591d6ff391ef14ac

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

Filesize
201KB

MD5
6ef4e75af0a2a448e4b3f04df5c205f9

SHA1
8881381e43d9b47cfdbbb2d94cc695984e163db2

SHA256
85e7f4fe708eb419457dbc11fa352758218e9f6d7c734d094f0fcbcf68451caf

SHA512
5412d67f6381f737280afe2a18790d3f83c5d8f85372ccee02717b2e930163666aae3c8e6a3c2a1b0f67394f15496f43a10c6c053a6c6e82591d6ff391ef14ac

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

Filesize
201KB

MD5
6ef4e75af0a2a448e4b3f04df5c205f9

SHA1
8881381e43d9b47cfdbbb2d94cc695984e163db2

SHA256
85e7f4fe708eb419457dbc11fa352758218e9f6d7c734d094f0fcbcf68451caf

SHA512
5412d67f6381f737280afe2a18790d3f83c5d8f85372ccee02717b2e930163666aae3c8e6a3c2a1b0f67394f15496f43a10c6c053a6c6e82591d6ff391ef14ac

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

Filesize
201KB

MD5
6ef4e75af0a2a448e4b3f04df5c205f9

SHA1
8881381e43d9b47cfdbbb2d94cc695984e163db2

SHA256
85e7f4fe708eb419457dbc11fa352758218e9f6d7c734d094f0fcbcf68451caf

SHA512
5412d67f6381f737280afe2a18790d3f83c5d8f85372ccee02717b2e930163666aae3c8e6a3c2a1b0f67394f15496f43a10c6c053a6c6e82591d6ff391ef14ac

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

Filesize
201KB

MD5
6ef4e75af0a2a448e4b3f04df5c205f9

SHA1
8881381e43d9b47cfdbbb2d94cc695984e163db2

SHA256
85e7f4fe708eb419457dbc11fa352758218e9f6d7c734d094f0fcbcf68451caf

SHA512
5412d67f6381f737280afe2a18790d3f83c5d8f85372ccee02717b2e930163666aae3c8e6a3c2a1b0f67394f15496f43a10c6c053a6c6e82591d6ff391ef14ac

Download Submit
memory/812-93-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/812-109-0x000007FEFB831000-0x000007FEFB833000-memory.dmp

Filesize
8KB

Download
memory/812-106-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/812-104-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/812-103-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/812-99-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/812-95-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1116-56-0x00000000004EC000-0x00000000004FE000-memory.dmp

Filesize
72KB

Download
memory/1188-112-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1188-110-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1236-83-0x000000000059F000-0x00000000005B1000-memory.dmp

Filesize
72KB

Download
memory/1568-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1568-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1568-65-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1568-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1568-69-0x0000000076031000-0x0000000076033000-memory.dmp

Filesize
8KB

Download
memory/1568-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1568-70-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1568-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1568-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download