parallax | 3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f

Analysis

max time kernel
151s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11-10-2022 03:45

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General

Target

3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe
Size

201KB
MD5

4da9e3f14f5fd7952aca4b3cbbb41fb0
SHA1

799403b3f9e35ef7fb731b3b39c5878db74f203d
SHA256

3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f
SHA512

2ac29da8465e4e0f242850e9d7b225753947f9b4d0579742332e75a21514ac10d8d21c00ebf88fa58cda9b04743e0b8e0081e903b62192accdd30376ccda0b07
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
1980	security.exe
1912	security.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1004-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1004-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1004-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1004-65-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1004-66-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1004-69-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1004-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1912-110-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1912-112-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Loads dropped DLL 5 IoCs

pid	Process
1004	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe
1004	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe
1004	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe
1004	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe
1004	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.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 1388 set thread context of 1004	1388	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	27
PID 1980 set thread context of 1912	1980	security.exe	32
PID 1980 set thread context of 1856	1980	security.exe	33

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	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe
Token: SeDebugPrivilege	1912	security.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1388	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe
1004	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe
1980	security.exe
1912	security.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 1004	1388	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	27
PID 1388 wrote to memory of 1004	1388	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	27
PID 1388 wrote to memory of 1004	1388	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	27
PID 1388 wrote to memory of 1004	1388	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	27
PID 1388 wrote to memory of 1004	1388	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	27
PID 1388 wrote to memory of 1004	1388	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	27
PID 1388 wrote to memory of 1004	1388	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	27
PID 1388 wrote to memory of 1004	1388	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	27
PID 1004 wrote to memory of 1372	1004	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	28
PID 1004 wrote to memory of 1372	1004	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	28
PID 1004 wrote to memory of 1372	1004	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	28
PID 1004 wrote to memory of 1372	1004	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	28
PID 1372 wrote to memory of 1376	1372	cmd.exe	30
PID 1372 wrote to memory of 1376	1372	cmd.exe	30
PID 1372 wrote to memory of 1376	1372	cmd.exe	30
PID 1372 wrote to memory of 1376	1372	cmd.exe	30
PID 1004 wrote to memory of 1980	1004	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	31
PID 1004 wrote to memory of 1980	1004	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	31
PID 1004 wrote to memory of 1980	1004	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	31
PID 1004 wrote to memory of 1980	1004	3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe	31
PID 1980 wrote to memory of 1912	1980	security.exe	32
PID 1980 wrote to memory of 1912	1980	security.exe	32
PID 1980 wrote to memory of 1912	1980	security.exe	32
PID 1980 wrote to memory of 1912	1980	security.exe	32
PID 1980 wrote to memory of 1912	1980	security.exe	32
PID 1980 wrote to memory of 1912	1980	security.exe	32
PID 1980 wrote to memory of 1912	1980	security.exe	32
PID 1980 wrote to memory of 1912	1980	security.exe	32
PID 1980 wrote to memory of 1856	1980	security.exe	33
PID 1980 wrote to memory of 1856	1980	security.exe	33
PID 1980 wrote to memory of 1856	1980	security.exe	33
PID 1980 wrote to memory of 1856	1980	security.exe	33
PID 1980 wrote to memory of 1856	1980	security.exe	33
PID 1980 wrote to memory of 1856	1980	security.exe	33
PID 1980 wrote to memory of 1856	1980	security.exe	33
PID 1980 wrote to memory of 1856	1980	security.exe	33
PID 1980 wrote to memory of 1856	1980	security.exe	33

C:\Users\Admin\AppData\Local\Temp\3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe
"C:\Users\Admin\AppData\Local\Temp\3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Local\Temp\3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe
  "C:\Users\Admin\AppData\Local\Temp\3e6a2a4a284cfe3440d02331d12d4e4ae09c9a314923b2c1411391b320c5318f.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1004
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\YNXNJ.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1372
  - - 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:1376
- - 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:1980
  - - 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:1912
  - - C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      4⤵
      PID:1856

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\YNXNJ.bat

Filesize
147B

MD5
6f473a1ba53e043362047f72e20b34f4

SHA1
e8f121a589e1207ed950453376ee1d21b1223835

SHA256
5fbce2c77a90ba9edbcf60be3851ab81633b7c10b1babb624d475c7be589de4b

SHA512
b4976d40bc708ae6cddf367a5382cd532e4cf235b848cdaa4e4d317e06d9126e50745a7772591bc21dc7380689f4399e57501b0aa73cd231bce32e22d53b0818

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

Filesize
201KB

MD5
7e443422f8a6efc3e51eccd285d8b688

SHA1
2eed7498f9de5bcd95146769982153bc2afa93d1

SHA256
8e181c9548b2ab5294d4f1320d3fbbb0482f112f2834430a496f79fad0bb8fc2

SHA512
6b3a5e526f4cf4e1edc5739361d5df1fffefa2e22d49976e728f1cad64501e68b9e6d91063b03b9e81fc5d78a0221185cb20d4f829f84f8b18c02f9948c0f3b2

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

Filesize
201KB

MD5
7e443422f8a6efc3e51eccd285d8b688

SHA1
2eed7498f9de5bcd95146769982153bc2afa93d1

SHA256
8e181c9548b2ab5294d4f1320d3fbbb0482f112f2834430a496f79fad0bb8fc2

SHA512
6b3a5e526f4cf4e1edc5739361d5df1fffefa2e22d49976e728f1cad64501e68b9e6d91063b03b9e81fc5d78a0221185cb20d4f829f84f8b18c02f9948c0f3b2

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

Filesize
201KB

MD5
7e443422f8a6efc3e51eccd285d8b688

SHA1
2eed7498f9de5bcd95146769982153bc2afa93d1

SHA256
8e181c9548b2ab5294d4f1320d3fbbb0482f112f2834430a496f79fad0bb8fc2

SHA512
6b3a5e526f4cf4e1edc5739361d5df1fffefa2e22d49976e728f1cad64501e68b9e6d91063b03b9e81fc5d78a0221185cb20d4f829f84f8b18c02f9948c0f3b2

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

Filesize
201KB

MD5
7e443422f8a6efc3e51eccd285d8b688

SHA1
2eed7498f9de5bcd95146769982153bc2afa93d1

SHA256
8e181c9548b2ab5294d4f1320d3fbbb0482f112f2834430a496f79fad0bb8fc2

SHA512
6b3a5e526f4cf4e1edc5739361d5df1fffefa2e22d49976e728f1cad64501e68b9e6d91063b03b9e81fc5d78a0221185cb20d4f829f84f8b18c02f9948c0f3b2

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

Filesize
201KB

MD5
7e443422f8a6efc3e51eccd285d8b688

SHA1
2eed7498f9de5bcd95146769982153bc2afa93d1

SHA256
8e181c9548b2ab5294d4f1320d3fbbb0482f112f2834430a496f79fad0bb8fc2

SHA512
6b3a5e526f4cf4e1edc5739361d5df1fffefa2e22d49976e728f1cad64501e68b9e6d91063b03b9e81fc5d78a0221185cb20d4f829f84f8b18c02f9948c0f3b2

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

Filesize
201KB

MD5
7e443422f8a6efc3e51eccd285d8b688

SHA1
2eed7498f9de5bcd95146769982153bc2afa93d1

SHA256
8e181c9548b2ab5294d4f1320d3fbbb0482f112f2834430a496f79fad0bb8fc2

SHA512
6b3a5e526f4cf4e1edc5739361d5df1fffefa2e22d49976e728f1cad64501e68b9e6d91063b03b9e81fc5d78a0221185cb20d4f829f84f8b18c02f9948c0f3b2

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

Filesize
201KB

MD5
7e443422f8a6efc3e51eccd285d8b688

SHA1
2eed7498f9de5bcd95146769982153bc2afa93d1

SHA256
8e181c9548b2ab5294d4f1320d3fbbb0482f112f2834430a496f79fad0bb8fc2

SHA512
6b3a5e526f4cf4e1edc5739361d5df1fffefa2e22d49976e728f1cad64501e68b9e6d91063b03b9e81fc5d78a0221185cb20d4f829f84f8b18c02f9948c0f3b2

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

Filesize
201KB

MD5
7e443422f8a6efc3e51eccd285d8b688

SHA1
2eed7498f9de5bcd95146769982153bc2afa93d1

SHA256
8e181c9548b2ab5294d4f1320d3fbbb0482f112f2834430a496f79fad0bb8fc2

SHA512
6b3a5e526f4cf4e1edc5739361d5df1fffefa2e22d49976e728f1cad64501e68b9e6d91063b03b9e81fc5d78a0221185cb20d4f829f84f8b18c02f9948c0f3b2

Download Submit
memory/1004-69-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1004-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1004-70-0x0000000075E11000-0x0000000075E13000-memory.dmp

Filesize
8KB

Download
memory/1004-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1004-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1004-65-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1004-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1004-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1004-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1388-56-0x000000000061C000-0x000000000062E000-memory.dmp

Filesize
72KB

Download
memory/1856-104-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1856-94-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1856-96-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1856-100-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1856-103-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1856-106-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1856-109-0x000007FEFBF81000-0x000007FEFBF83000-memory.dmp

Filesize
8KB

Download
memory/1912-110-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1912-112-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1980-83-0x000000000056F000-0x0000000000581000-memory.dmp

Filesize
72KB

Download