parallax | d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08

Analysis

max time kernel
154s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
19-11-2022 02:44

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General

Target

d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe
Size

201KB
MD5

1950d17d4bb9a7fcb18926772b43efcd
SHA1

5cca2aa4285f439242494fe94e74c71fbd8ad195
SHA256

d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08
SHA512

ffc79f8311ff8e99a4c98d5382bc94bfdb413fc66fc8058230f94c32324cb38e071b6c8b7a003054afc022b7cc2bde17610c1705fbba74ca0bda0ef7eedd65b8
SSDEEP

6144:Hza2Nj+MLxwkcWTq/81DDiSTz9nqEja3TXU0xtFi:HqEjk7l7Fi

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
436	security.exe
1080	security.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/980-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/980-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/980-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/980-65-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/980-66-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/980-69-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/980-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1080-110-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1080-112-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Loads dropped DLL 5 IoCs

pid	Process
980	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe
980	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe
980	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe
980	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe
980	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.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 1504 set thread context of 980	1504	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	28
PID 436 set thread context of 1080	436	security.exe	33
PID 436 set thread context of 1316	436	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	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe
Token: SeDebugPrivilege	1080	security.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1504	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe
980	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe
436	security.exe
1080	security.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 980	1504	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	28
PID 1504 wrote to memory of 980	1504	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	28
PID 1504 wrote to memory of 980	1504	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	28
PID 1504 wrote to memory of 980	1504	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	28
PID 1504 wrote to memory of 980	1504	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	28
PID 1504 wrote to memory of 980	1504	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	28
PID 1504 wrote to memory of 980	1504	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	28
PID 1504 wrote to memory of 980	1504	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	28
PID 980 wrote to memory of 1100	980	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	29
PID 980 wrote to memory of 1100	980	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	29
PID 980 wrote to memory of 1100	980	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	29
PID 980 wrote to memory of 1100	980	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	29
PID 1100 wrote to memory of 1176	1100	cmd.exe	31
PID 1100 wrote to memory of 1176	1100	cmd.exe	31
PID 1100 wrote to memory of 1176	1100	cmd.exe	31
PID 1100 wrote to memory of 1176	1100	cmd.exe	31
PID 980 wrote to memory of 436	980	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	32
PID 980 wrote to memory of 436	980	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	32
PID 980 wrote to memory of 436	980	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	32
PID 980 wrote to memory of 436	980	d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe	32
PID 436 wrote to memory of 1080	436	security.exe	33
PID 436 wrote to memory of 1080	436	security.exe	33
PID 436 wrote to memory of 1080	436	security.exe	33
PID 436 wrote to memory of 1080	436	security.exe	33
PID 436 wrote to memory of 1080	436	security.exe	33
PID 436 wrote to memory of 1080	436	security.exe	33
PID 436 wrote to memory of 1080	436	security.exe	33
PID 436 wrote to memory of 1080	436	security.exe	33
PID 436 wrote to memory of 1316	436	security.exe	34
PID 436 wrote to memory of 1316	436	security.exe	34
PID 436 wrote to memory of 1316	436	security.exe	34
PID 436 wrote to memory of 1316	436	security.exe	34
PID 436 wrote to memory of 1316	436	security.exe	34
PID 436 wrote to memory of 1316	436	security.exe	34
PID 436 wrote to memory of 1316	436	security.exe	34
PID 436 wrote to memory of 1316	436	security.exe	34
PID 436 wrote to memory of 1316	436	security.exe	34

C:\Users\Admin\AppData\Local\Temp\d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe
"C:\Users\Admin\AppData\Local\Temp\d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Users\Admin\AppData\Local\Temp\d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe
  "C:\Users\Admin\AppData\Local\Temp\d7f8fdd2d525dd9f5315138c9e893b60bcfca3d2b4058b0578fd57727a618c08.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:980
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\SRVIM.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1100
  - - 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:1176
- - 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:436
  - - 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:1080
  - - C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      4⤵
      PID:1316

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\SRVIM.bat

Filesize
147B

MD5
6f473a1ba53e043362047f72e20b34f4

SHA1
e8f121a589e1207ed950453376ee1d21b1223835

SHA256
5fbce2c77a90ba9edbcf60be3851ab81633b7c10b1babb624d475c7be589de4b

SHA512
b4976d40bc708ae6cddf367a5382cd532e4cf235b848cdaa4e4d317e06d9126e50745a7772591bc21dc7380689f4399e57501b0aa73cd231bce32e22d53b0818

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

Filesize
201KB

MD5
08fe772578607e854400582d50598a0d

SHA1
665e9c2634b6257afc9dc43972b5dd055ba4b9fe

SHA256
94932d85b93835bb84f68a65242fa393e899b071c3f10d84cece1f1160850530

SHA512
ec284565e314b9c1634dd4edfe93473117309bcb173dbdcbb008f84449ccba34bd1bfd0490c0506b4e28650426d82ab5ca87b65000ea818745607f6c7046368b

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

Filesize
201KB

MD5
08fe772578607e854400582d50598a0d

SHA1
665e9c2634b6257afc9dc43972b5dd055ba4b9fe

SHA256
94932d85b93835bb84f68a65242fa393e899b071c3f10d84cece1f1160850530

SHA512
ec284565e314b9c1634dd4edfe93473117309bcb173dbdcbb008f84449ccba34bd1bfd0490c0506b4e28650426d82ab5ca87b65000ea818745607f6c7046368b

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

Filesize
201KB

MD5
08fe772578607e854400582d50598a0d

SHA1
665e9c2634b6257afc9dc43972b5dd055ba4b9fe

SHA256
94932d85b93835bb84f68a65242fa393e899b071c3f10d84cece1f1160850530

SHA512
ec284565e314b9c1634dd4edfe93473117309bcb173dbdcbb008f84449ccba34bd1bfd0490c0506b4e28650426d82ab5ca87b65000ea818745607f6c7046368b

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

Filesize
201KB

MD5
08fe772578607e854400582d50598a0d

SHA1
665e9c2634b6257afc9dc43972b5dd055ba4b9fe

SHA256
94932d85b93835bb84f68a65242fa393e899b071c3f10d84cece1f1160850530

SHA512
ec284565e314b9c1634dd4edfe93473117309bcb173dbdcbb008f84449ccba34bd1bfd0490c0506b4e28650426d82ab5ca87b65000ea818745607f6c7046368b

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

Filesize
201KB

MD5
08fe772578607e854400582d50598a0d

SHA1
665e9c2634b6257afc9dc43972b5dd055ba4b9fe

SHA256
94932d85b93835bb84f68a65242fa393e899b071c3f10d84cece1f1160850530

SHA512
ec284565e314b9c1634dd4edfe93473117309bcb173dbdcbb008f84449ccba34bd1bfd0490c0506b4e28650426d82ab5ca87b65000ea818745607f6c7046368b

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

Filesize
201KB

MD5
08fe772578607e854400582d50598a0d

SHA1
665e9c2634b6257afc9dc43972b5dd055ba4b9fe

SHA256
94932d85b93835bb84f68a65242fa393e899b071c3f10d84cece1f1160850530

SHA512
ec284565e314b9c1634dd4edfe93473117309bcb173dbdcbb008f84449ccba34bd1bfd0490c0506b4e28650426d82ab5ca87b65000ea818745607f6c7046368b

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

Filesize
201KB

MD5
08fe772578607e854400582d50598a0d

SHA1
665e9c2634b6257afc9dc43972b5dd055ba4b9fe

SHA256
94932d85b93835bb84f68a65242fa393e899b071c3f10d84cece1f1160850530

SHA512
ec284565e314b9c1634dd4edfe93473117309bcb173dbdcbb008f84449ccba34bd1bfd0490c0506b4e28650426d82ab5ca87b65000ea818745607f6c7046368b

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

Filesize
201KB

MD5
08fe772578607e854400582d50598a0d

SHA1
665e9c2634b6257afc9dc43972b5dd055ba4b9fe

SHA256
94932d85b93835bb84f68a65242fa393e899b071c3f10d84cece1f1160850530

SHA512
ec284565e314b9c1634dd4edfe93473117309bcb173dbdcbb008f84449ccba34bd1bfd0490c0506b4e28650426d82ab5ca87b65000ea818745607f6c7046368b

Download Submit
memory/436-83-0x000000000056F000-0x0000000000581000-memory.dmp

Filesize
72KB

Download
memory/980-69-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/980-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/980-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/980-70-0x0000000075C81000-0x0000000075C83000-memory.dmp

Filesize
8KB

Download
memory/980-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/980-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/980-65-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/980-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/980-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1080-112-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1080-110-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1316-102-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1316-101-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1316-98-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1316-104-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1316-109-0x000007FEFBA41000-0x000007FEFBA43000-memory.dmp

Filesize
8KB

Download
memory/1316-95-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1316-94-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1504-56-0x000000000059C000-0x00000000005AE000-memory.dmp

Filesize
72KB

Download