parallax | fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d

Analysis

max time kernel
150s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
11-10-2022 03:45

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General

Target

fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe
Size

201KB
MD5

58a112ce5cc23abef38eaf0ff9c6a7a6
SHA1

55112c283a850c39268c3b3fe891f50fefddd33b
SHA256

fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d
SHA512

46352d4a34477fe3fae49e0633b10051e9ec6d8407fe88e8d7564765e305689caf6d7a08f1e1bb20689422432f8b2a78b058cd731e4a4fb01818549bbade3bc6
SSDEEP

6144:Hza2Nj+MLxwkcWTq/81DDiSTz9nqEja3TXU0xtFq:HqEjk7l7Fq

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
892	security.exe
1636	security.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1928-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1928-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1928-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1928-65-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1928-66-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1928-69-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1928-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1636-110-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1636-112-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Loads dropped DLL 5 IoCs

pid	Process
1928	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe
1928	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe
1928	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe
1928	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe
1928	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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 1880 set thread context of 1928	1880	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	27
PID 892 set thread context of 1636	892	security.exe	32
PID 892 set thread context of 1868	892	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	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe
Token: SeDebugPrivilege	1636	security.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1880	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe
1928	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe
892	security.exe
1636	security.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 1928	1880	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	27
PID 1880 wrote to memory of 1928	1880	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	27
PID 1880 wrote to memory of 1928	1880	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	27
PID 1880 wrote to memory of 1928	1880	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	27
PID 1880 wrote to memory of 1928	1880	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	27
PID 1880 wrote to memory of 1928	1880	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	27
PID 1880 wrote to memory of 1928	1880	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	27
PID 1880 wrote to memory of 1928	1880	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	27
PID 1928 wrote to memory of 1940	1928	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	28
PID 1928 wrote to memory of 1940	1928	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	28
PID 1928 wrote to memory of 1940	1928	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	28
PID 1928 wrote to memory of 1940	1928	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	28
PID 1940 wrote to memory of 1696	1940	cmd.exe	30
PID 1940 wrote to memory of 1696	1940	cmd.exe	30
PID 1940 wrote to memory of 1696	1940	cmd.exe	30
PID 1940 wrote to memory of 1696	1940	cmd.exe	30
PID 1928 wrote to memory of 892	1928	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	31
PID 1928 wrote to memory of 892	1928	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	31
PID 1928 wrote to memory of 892	1928	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	31
PID 1928 wrote to memory of 892	1928	fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe	31
PID 892 wrote to memory of 1636	892	security.exe	32
PID 892 wrote to memory of 1636	892	security.exe	32
PID 892 wrote to memory of 1636	892	security.exe	32
PID 892 wrote to memory of 1636	892	security.exe	32
PID 892 wrote to memory of 1636	892	security.exe	32
PID 892 wrote to memory of 1636	892	security.exe	32
PID 892 wrote to memory of 1636	892	security.exe	32
PID 892 wrote to memory of 1636	892	security.exe	32
PID 892 wrote to memory of 1868	892	security.exe	33
PID 892 wrote to memory of 1868	892	security.exe	33
PID 892 wrote to memory of 1868	892	security.exe	33
PID 892 wrote to memory of 1868	892	security.exe	33
PID 892 wrote to memory of 1868	892	security.exe	33
PID 892 wrote to memory of 1868	892	security.exe	33
PID 892 wrote to memory of 1868	892	security.exe	33
PID 892 wrote to memory of 1868	892	security.exe	33
PID 892 wrote to memory of 1868	892	security.exe	33

C:\Users\Admin\AppData\Local\Temp\fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe
"C:\Users\Admin\AppData\Local\Temp\fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Users\Admin\AppData\Local\Temp\fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe
  "C:\Users\Admin\AppData\Local\Temp\fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1928
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\IHUBK.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1940
  - - 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:1696
- - 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:892
  - - 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:1636
  - - C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      4⤵
      PID:1868

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\IHUBK.bat

Filesize
147B

MD5
6f473a1ba53e043362047f72e20b34f4

SHA1
e8f121a589e1207ed950453376ee1d21b1223835

SHA256
5fbce2c77a90ba9edbcf60be3851ab81633b7c10b1babb624d475c7be589de4b

SHA512
b4976d40bc708ae6cddf367a5382cd532e4cf235b848cdaa4e4d317e06d9126e50745a7772591bc21dc7380689f4399e57501b0aa73cd231bce32e22d53b0818

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

Filesize
201KB

MD5
58a112ce5cc23abef38eaf0ff9c6a7a6

SHA1
55112c283a850c39268c3b3fe891f50fefddd33b

SHA256
fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d

SHA512
46352d4a34477fe3fae49e0633b10051e9ec6d8407fe88e8d7564765e305689caf6d7a08f1e1bb20689422432f8b2a78b058cd731e4a4fb01818549bbade3bc6

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

Filesize
201KB

MD5
58a112ce5cc23abef38eaf0ff9c6a7a6

SHA1
55112c283a850c39268c3b3fe891f50fefddd33b

SHA256
fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d

SHA512
46352d4a34477fe3fae49e0633b10051e9ec6d8407fe88e8d7564765e305689caf6d7a08f1e1bb20689422432f8b2a78b058cd731e4a4fb01818549bbade3bc6

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

Filesize
201KB

MD5
58a112ce5cc23abef38eaf0ff9c6a7a6

SHA1
55112c283a850c39268c3b3fe891f50fefddd33b

SHA256
fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d

SHA512
46352d4a34477fe3fae49e0633b10051e9ec6d8407fe88e8d7564765e305689caf6d7a08f1e1bb20689422432f8b2a78b058cd731e4a4fb01818549bbade3bc6

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

Filesize
201KB

MD5
58a112ce5cc23abef38eaf0ff9c6a7a6

SHA1
55112c283a850c39268c3b3fe891f50fefddd33b

SHA256
fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d

SHA512
46352d4a34477fe3fae49e0633b10051e9ec6d8407fe88e8d7564765e305689caf6d7a08f1e1bb20689422432f8b2a78b058cd731e4a4fb01818549bbade3bc6

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

Filesize
201KB

MD5
58a112ce5cc23abef38eaf0ff9c6a7a6

SHA1
55112c283a850c39268c3b3fe891f50fefddd33b

SHA256
fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d

SHA512
46352d4a34477fe3fae49e0633b10051e9ec6d8407fe88e8d7564765e305689caf6d7a08f1e1bb20689422432f8b2a78b058cd731e4a4fb01818549bbade3bc6

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

Filesize
201KB

MD5
58a112ce5cc23abef38eaf0ff9c6a7a6

SHA1
55112c283a850c39268c3b3fe891f50fefddd33b

SHA256
fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d

SHA512
46352d4a34477fe3fae49e0633b10051e9ec6d8407fe88e8d7564765e305689caf6d7a08f1e1bb20689422432f8b2a78b058cd731e4a4fb01818549bbade3bc6

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

Filesize
201KB

MD5
58a112ce5cc23abef38eaf0ff9c6a7a6

SHA1
55112c283a850c39268c3b3fe891f50fefddd33b

SHA256
fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d

SHA512
46352d4a34477fe3fae49e0633b10051e9ec6d8407fe88e8d7564765e305689caf6d7a08f1e1bb20689422432f8b2a78b058cd731e4a4fb01818549bbade3bc6

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

Filesize
201KB

MD5
58a112ce5cc23abef38eaf0ff9c6a7a6

SHA1
55112c283a850c39268c3b3fe891f50fefddd33b

SHA256
fc7434365089fdc62841327964d7543d517de3cdd9aad6deae2ca3b77fadc18d

SHA512
46352d4a34477fe3fae49e0633b10051e9ec6d8407fe88e8d7564765e305689caf6d7a08f1e1bb20689422432f8b2a78b058cd731e4a4fb01818549bbade3bc6

Download Submit
memory/892-83-0x000000000051F000-0x0000000000531000-memory.dmp

Filesize
72KB

Download
memory/1636-110-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1636-112-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1868-94-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1868-95-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1868-109-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

Filesize
8KB

Download
memory/1868-103-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1868-106-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1868-101-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1868-98-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1880-56-0x000000000062C000-0x000000000063E000-memory.dmp

Filesize
72KB

Download
memory/1928-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1928-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1928-65-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1928-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1928-69-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1928-70-0x0000000075D71000-0x0000000075D73000-memory.dmp

Filesize
8KB

Download
memory/1928-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1928-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1928-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download