parallax | 7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde

Analysis

max time kernel
150s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20/11/2022, 03:43

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General

Target

7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe
Size

201KB
MD5

23fa0fef80fa2e8ba41ae5546a27c13c
SHA1

f5e41fa9f767247df59fb40b1ac423fb700f8f55
SHA256

7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde
SHA512

64719f22b06a5ad498eedb605051454e123607908feaf20af6a4042ddc1dc3ae523973e1f5a1c3ca27443d670f46ca66aaf51b72756f1c902109e459dc4caea5
SSDEEP

6144:Hza2Nj+MLxwkcWTq/81DDiSTz9nqEja3TXU0xtFE:HqEjk7l7FE

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
828	security.exe
776	security.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1272-83-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1272-85-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1272-86-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1272-89-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1272-90-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1272-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1272-133-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/776-134-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/776-136-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Loads dropped DLL 5 IoCs

pid	Process
1272	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe
1272	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe
1272	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe
1272	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe
1272	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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 1632 set thread context of 1272	1632	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	28
PID 828 set thread context of 776	828	security.exe	33
PID 828 set thread context of 532	828	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	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe
Token: SeDebugPrivilege	776	security.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1632	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe
1272	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe
828	security.exe
776	security.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1272	1632	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	28
PID 1632 wrote to memory of 1272	1632	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	28
PID 1632 wrote to memory of 1272	1632	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	28
PID 1632 wrote to memory of 1272	1632	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	28
PID 1632 wrote to memory of 1272	1632	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	28
PID 1632 wrote to memory of 1272	1632	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	28
PID 1632 wrote to memory of 1272	1632	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	28
PID 1632 wrote to memory of 1272	1632	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	28
PID 1272 wrote to memory of 320	1272	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	29
PID 1272 wrote to memory of 320	1272	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	29
PID 1272 wrote to memory of 320	1272	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	29
PID 1272 wrote to memory of 320	1272	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	29
PID 320 wrote to memory of 1396	320	cmd.exe	31
PID 320 wrote to memory of 1396	320	cmd.exe	31
PID 320 wrote to memory of 1396	320	cmd.exe	31
PID 320 wrote to memory of 1396	320	cmd.exe	31
PID 1272 wrote to memory of 828	1272	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	32
PID 1272 wrote to memory of 828	1272	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	32
PID 1272 wrote to memory of 828	1272	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	32
PID 1272 wrote to memory of 828	1272	7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe	32
PID 828 wrote to memory of 776	828	security.exe	33
PID 828 wrote to memory of 776	828	security.exe	33
PID 828 wrote to memory of 776	828	security.exe	33
PID 828 wrote to memory of 776	828	security.exe	33
PID 828 wrote to memory of 776	828	security.exe	33
PID 828 wrote to memory of 776	828	security.exe	33
PID 828 wrote to memory of 776	828	security.exe	33
PID 828 wrote to memory of 776	828	security.exe	33
PID 828 wrote to memory of 532	828	security.exe	34
PID 828 wrote to memory of 532	828	security.exe	34
PID 828 wrote to memory of 532	828	security.exe	34
PID 828 wrote to memory of 532	828	security.exe	34
PID 828 wrote to memory of 532	828	security.exe	34
PID 828 wrote to memory of 532	828	security.exe	34
PID 828 wrote to memory of 532	828	security.exe	34
PID 828 wrote to memory of 532	828	security.exe	34
PID 828 wrote to memory of 532	828	security.exe	34

C:\Users\Admin\AppData\Local\Temp\7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe
"C:\Users\Admin\AppData\Local\Temp\7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Users\Admin\AppData\Local\Temp\7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe
  "C:\Users\Admin\AppData\Local\Temp\7881b2cfe55300fc082312e109b8f226010fe586999c9ca87da7dbe0daad2bde.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1272
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\DLXBY.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:320
  - - 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:1396
- - 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:828
  - - 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:776
  - - C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      4⤵
      PID:532

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\DLXBY.bat

Filesize
147B

MD5
6f473a1ba53e043362047f72e20b34f4

SHA1
e8f121a589e1207ed950453376ee1d21b1223835

SHA256
5fbce2c77a90ba9edbcf60be3851ab81633b7c10b1babb624d475c7be589de4b

SHA512
b4976d40bc708ae6cddf367a5382cd532e4cf235b848cdaa4e4d317e06d9126e50745a7772591bc21dc7380689f4399e57501b0aa73cd231bce32e22d53b0818

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

Filesize
201KB

MD5
2f3b8f5117b48b087c787499d38af996

SHA1
8bb4855a71ac345b726fc51424e39461c122f4cf

SHA256
2531823115be77060e2bc0d1ab588ddfddf690b4b45ec91aad2abf5d1efdfc63

SHA512
2b059d3315baa141e4232724221d97f7b63e7e5ad34669993b34f83859b3c063181505a0e5ac0517f9a6ef7df154840c2eeda5c9c4d766ddbe35e13637a3c092

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

Filesize
201KB

MD5
2f3b8f5117b48b087c787499d38af996

SHA1
8bb4855a71ac345b726fc51424e39461c122f4cf

SHA256
2531823115be77060e2bc0d1ab588ddfddf690b4b45ec91aad2abf5d1efdfc63

SHA512
2b059d3315baa141e4232724221d97f7b63e7e5ad34669993b34f83859b3c063181505a0e5ac0517f9a6ef7df154840c2eeda5c9c4d766ddbe35e13637a3c092

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

Filesize
201KB

MD5
2f3b8f5117b48b087c787499d38af996

SHA1
8bb4855a71ac345b726fc51424e39461c122f4cf

SHA256
2531823115be77060e2bc0d1ab588ddfddf690b4b45ec91aad2abf5d1efdfc63

SHA512
2b059d3315baa141e4232724221d97f7b63e7e5ad34669993b34f83859b3c063181505a0e5ac0517f9a6ef7df154840c2eeda5c9c4d766ddbe35e13637a3c092

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

Filesize
201KB

MD5
2f3b8f5117b48b087c787499d38af996

SHA1
8bb4855a71ac345b726fc51424e39461c122f4cf

SHA256
2531823115be77060e2bc0d1ab588ddfddf690b4b45ec91aad2abf5d1efdfc63

SHA512
2b059d3315baa141e4232724221d97f7b63e7e5ad34669993b34f83859b3c063181505a0e5ac0517f9a6ef7df154840c2eeda5c9c4d766ddbe35e13637a3c092

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

Filesize
201KB

MD5
2f3b8f5117b48b087c787499d38af996

SHA1
8bb4855a71ac345b726fc51424e39461c122f4cf

SHA256
2531823115be77060e2bc0d1ab588ddfddf690b4b45ec91aad2abf5d1efdfc63

SHA512
2b059d3315baa141e4232724221d97f7b63e7e5ad34669993b34f83859b3c063181505a0e5ac0517f9a6ef7df154840c2eeda5c9c4d766ddbe35e13637a3c092

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

Filesize
201KB

MD5
2f3b8f5117b48b087c787499d38af996

SHA1
8bb4855a71ac345b726fc51424e39461c122f4cf

SHA256
2531823115be77060e2bc0d1ab588ddfddf690b4b45ec91aad2abf5d1efdfc63

SHA512
2b059d3315baa141e4232724221d97f7b63e7e5ad34669993b34f83859b3c063181505a0e5ac0517f9a6ef7df154840c2eeda5c9c4d766ddbe35e13637a3c092

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

Filesize
201KB

MD5
2f3b8f5117b48b087c787499d38af996

SHA1
8bb4855a71ac345b726fc51424e39461c122f4cf

SHA256
2531823115be77060e2bc0d1ab588ddfddf690b4b45ec91aad2abf5d1efdfc63

SHA512
2b059d3315baa141e4232724221d97f7b63e7e5ad34669993b34f83859b3c063181505a0e5ac0517f9a6ef7df154840c2eeda5c9c4d766ddbe35e13637a3c092

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

Filesize
201KB

MD5
2f3b8f5117b48b087c787499d38af996

SHA1
8bb4855a71ac345b726fc51424e39461c122f4cf

SHA256
2531823115be77060e2bc0d1ab588ddfddf690b4b45ec91aad2abf5d1efdfc63

SHA512
2b059d3315baa141e4232724221d97f7b63e7e5ad34669993b34f83859b3c063181505a0e5ac0517f9a6ef7df154840c2eeda5c9c4d766ddbe35e13637a3c092

Download Submit
memory/532-119-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/532-118-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/532-132-0x000007FEFBCA1000-0x000007FEFBCA3000-memory.dmp

Filesize
8KB

Download
memory/532-129-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/532-127-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/532-126-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/532-123-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/776-136-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/776-134-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/828-107-0x000000000064F000-0x0000000000661000-memory.dmp

Filesize
72KB

Download
memory/1272-82-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1272-83-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1272-89-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1272-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1272-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1272-86-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1272-133-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1272-94-0x0000000076091000-0x0000000076093000-memory.dmp

Filesize
8KB

Download
memory/1272-85-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download