parallax | a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683

Analysis

max time kernel
152s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11-10-2022 15:12

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General

Target

a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe
Size

201KB
MD5

27689a3abc46a9541375d2fc11930376
SHA1

d28aa1818c54105d85e3c80cbee41da61e626846
SHA256

a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683
SHA512

d30a5f06f8c0becf42a45c0f9804cbba655372d908aa3c62b2f9b66932c719b35afcbb48035e4796bb2a7aae79ede2e9ac20f7afaf3f1c2529b5a185bbe21f94
SSDEEP

6144:Hza2Nj+MLxwkcWTq/81DDiSTz9nqEja3TXU0xtFu:HqEjk7l7Fu

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
576	security.exe
1144	security.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/988-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-66-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-65-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-69-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-71-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1144-111-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1144-113-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Loads dropped DLL 5 IoCs

pid	Process
988	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe
988	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe
988	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe
988	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe
988	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.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 1964 set thread context of 988	1964	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	28
PID 576 set thread context of 1144	576	security.exe	33
PID 576 set thread context of 1268	576	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	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe
Token: SeDebugPrivilege	1144	security.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1964	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe
988	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe
576	security.exe
1144	security.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 988	1964	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	28
PID 1964 wrote to memory of 988	1964	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	28
PID 1964 wrote to memory of 988	1964	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	28
PID 1964 wrote to memory of 988	1964	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	28
PID 1964 wrote to memory of 988	1964	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	28
PID 1964 wrote to memory of 988	1964	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	28
PID 1964 wrote to memory of 988	1964	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	28
PID 1964 wrote to memory of 988	1964	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	28
PID 988 wrote to memory of 624	988	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	29
PID 988 wrote to memory of 624	988	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	29
PID 988 wrote to memory of 624	988	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	29
PID 988 wrote to memory of 624	988	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	29
PID 624 wrote to memory of 1168	624	cmd.exe	31
PID 624 wrote to memory of 1168	624	cmd.exe	31
PID 624 wrote to memory of 1168	624	cmd.exe	31
PID 624 wrote to memory of 1168	624	cmd.exe	31
PID 988 wrote to memory of 576	988	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	32
PID 988 wrote to memory of 576	988	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	32
PID 988 wrote to memory of 576	988	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	32
PID 988 wrote to memory of 576	988	a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe	32
PID 576 wrote to memory of 1144	576	security.exe	33
PID 576 wrote to memory of 1144	576	security.exe	33
PID 576 wrote to memory of 1144	576	security.exe	33
PID 576 wrote to memory of 1144	576	security.exe	33
PID 576 wrote to memory of 1144	576	security.exe	33
PID 576 wrote to memory of 1144	576	security.exe	33
PID 576 wrote to memory of 1144	576	security.exe	33
PID 576 wrote to memory of 1144	576	security.exe	33
PID 576 wrote to memory of 1268	576	security.exe	34
PID 576 wrote to memory of 1268	576	security.exe	34
PID 576 wrote to memory of 1268	576	security.exe	34
PID 576 wrote to memory of 1268	576	security.exe	34
PID 576 wrote to memory of 1268	576	security.exe	34
PID 576 wrote to memory of 1268	576	security.exe	34
PID 576 wrote to memory of 1268	576	security.exe	34
PID 576 wrote to memory of 1268	576	security.exe	34
PID 576 wrote to memory of 1268	576	security.exe	34

C:\Users\Admin\AppData\Local\Temp\a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe
"C:\Users\Admin\AppData\Local\Temp\a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe
  "C:\Users\Admin\AppData\Local\Temp\a51d7468c145280e97fbfa442f6f03caa984539e9b1bf5d53ccb866deab04683.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:988
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\PCGCA.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:624
  - - 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:1168
- - 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:576
  - - 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:1144
  - - C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      4⤵
      PID:1268

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

Loading Replay Monitor...

Downloads

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

Filesize
147B

MD5
6f473a1ba53e043362047f72e20b34f4

SHA1
e8f121a589e1207ed950453376ee1d21b1223835

SHA256
5fbce2c77a90ba9edbcf60be3851ab81633b7c10b1babb624d475c7be589de4b

SHA512
b4976d40bc708ae6cddf367a5382cd532e4cf235b848cdaa4e4d317e06d9126e50745a7772591bc21dc7380689f4399e57501b0aa73cd231bce32e22d53b0818

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

Filesize
201KB

MD5
11c9bfd6e3507de735e581900f6c3f32

SHA1
f017c5c83e8c0fc481c62944822c3186f1a1b2df

SHA256
6a53d0a9f731db8dc836bfcdf7c9f9e0d4139408f80f0ce647d6811cecda11e1

SHA512
a015666f5ada231c1e16816bad01ee10289559a0520dff0c7432fad62478fa5a2cee44e8d49673152f824fd83ab0719ef9162f67357e63e906955910d6eea1ff

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

Filesize
201KB

MD5
11c9bfd6e3507de735e581900f6c3f32

SHA1
f017c5c83e8c0fc481c62944822c3186f1a1b2df

SHA256
6a53d0a9f731db8dc836bfcdf7c9f9e0d4139408f80f0ce647d6811cecda11e1

SHA512
a015666f5ada231c1e16816bad01ee10289559a0520dff0c7432fad62478fa5a2cee44e8d49673152f824fd83ab0719ef9162f67357e63e906955910d6eea1ff

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

Filesize
201KB

MD5
11c9bfd6e3507de735e581900f6c3f32

SHA1
f017c5c83e8c0fc481c62944822c3186f1a1b2df

SHA256
6a53d0a9f731db8dc836bfcdf7c9f9e0d4139408f80f0ce647d6811cecda11e1

SHA512
a015666f5ada231c1e16816bad01ee10289559a0520dff0c7432fad62478fa5a2cee44e8d49673152f824fd83ab0719ef9162f67357e63e906955910d6eea1ff

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

Filesize
201KB

MD5
11c9bfd6e3507de735e581900f6c3f32

SHA1
f017c5c83e8c0fc481c62944822c3186f1a1b2df

SHA256
6a53d0a9f731db8dc836bfcdf7c9f9e0d4139408f80f0ce647d6811cecda11e1

SHA512
a015666f5ada231c1e16816bad01ee10289559a0520dff0c7432fad62478fa5a2cee44e8d49673152f824fd83ab0719ef9162f67357e63e906955910d6eea1ff

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

Filesize
201KB

MD5
11c9bfd6e3507de735e581900f6c3f32

SHA1
f017c5c83e8c0fc481c62944822c3186f1a1b2df

SHA256
6a53d0a9f731db8dc836bfcdf7c9f9e0d4139408f80f0ce647d6811cecda11e1

SHA512
a015666f5ada231c1e16816bad01ee10289559a0520dff0c7432fad62478fa5a2cee44e8d49673152f824fd83ab0719ef9162f67357e63e906955910d6eea1ff

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

Filesize
201KB

MD5
11c9bfd6e3507de735e581900f6c3f32

SHA1
f017c5c83e8c0fc481c62944822c3186f1a1b2df

SHA256
6a53d0a9f731db8dc836bfcdf7c9f9e0d4139408f80f0ce647d6811cecda11e1

SHA512
a015666f5ada231c1e16816bad01ee10289559a0520dff0c7432fad62478fa5a2cee44e8d49673152f824fd83ab0719ef9162f67357e63e906955910d6eea1ff

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

Filesize
201KB

MD5
11c9bfd6e3507de735e581900f6c3f32

SHA1
f017c5c83e8c0fc481c62944822c3186f1a1b2df

SHA256
6a53d0a9f731db8dc836bfcdf7c9f9e0d4139408f80f0ce647d6811cecda11e1

SHA512
a015666f5ada231c1e16816bad01ee10289559a0520dff0c7432fad62478fa5a2cee44e8d49673152f824fd83ab0719ef9162f67357e63e906955910d6eea1ff

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

Filesize
201KB

MD5
11c9bfd6e3507de735e581900f6c3f32

SHA1
f017c5c83e8c0fc481c62944822c3186f1a1b2df

SHA256
6a53d0a9f731db8dc836bfcdf7c9f9e0d4139408f80f0ce647d6811cecda11e1

SHA512
a015666f5ada231c1e16816bad01ee10289559a0520dff0c7432fad62478fa5a2cee44e8d49673152f824fd83ab0719ef9162f67357e63e906955910d6eea1ff

Download Submit
memory/576-84-0x00000000002CF000-0x00000000002E1000-memory.dmp

Filesize
72KB

Download
memory/988-70-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/988-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-71-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-69-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-65-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1144-111-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1144-113-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1268-94-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1268-96-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1268-100-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1268-105-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1268-104-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1268-107-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1268-110-0x000007FEFB881000-0x000007FEFB883000-memory.dmp

Filesize
8KB

Download
memory/1964-56-0x00000000005CC000-0x00000000005DE000-memory.dmp

Filesize
72KB

Download