parallax | 212289b78e550d8af514e2efe785521d8c6e439d46789993711bdfe5b0bb2e6e

Analysis

max time kernel
145s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25-12-2023 23:37

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General

Target

43b3cb0d8ead9a35e8bcda2048c3312f.exe
Size

201KB
MD5

43b3cb0d8ead9a35e8bcda2048c3312f
SHA1

ba6b0d323f7a84367318bee772fe5cef0aff8c4c
SHA256

212289b78e550d8af514e2efe785521d8c6e439d46789993711bdfe5b0bb2e6e
SHA512

8d976541f6795db207b4bf56fe6298126017322d6498fb7fd7f1b34e91068784d81e43efc7df131ece0b03476479afb7c91338396002edec4452a39b00e689a2
SSDEEP

6144:Hza2Nj+MLxwkcWTq/81DDiSTz9nqEja3TXU0xtFb:HqEjk7l7Fb

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
2596	security.exe
2744	security.exe

Loads dropped DLL 6 IoCs

pid	Process
1216	43b3cb0d8ead9a35e8bcda2048c3312f.exe
1216	43b3cb0d8ead9a35e8bcda2048c3312f.exe
1216	43b3cb0d8ead9a35e8bcda2048c3312f.exe
1216	43b3cb0d8ead9a35e8bcda2048c3312f.exe
1216	43b3cb0d8ead9a35e8bcda2048c3312f.exe
2596	security.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1216-393-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1216-398-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1216-902-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2744-905-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\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 2040 set thread context of 1216	2040	43b3cb0d8ead9a35e8bcda2048c3312f.exe	16
PID 2596 set thread context of 2744	2596	security.exe	30
PID 2596 set thread context of 1796	2596	security.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe
Token: SeDebugPrivilege	2744	security.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2040	43b3cb0d8ead9a35e8bcda2048c3312f.exe
1216	43b3cb0d8ead9a35e8bcda2048c3312f.exe
2596	security.exe
2744	security.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1216	2040	43b3cb0d8ead9a35e8bcda2048c3312f.exe	16
PID 2040 wrote to memory of 1216	2040	43b3cb0d8ead9a35e8bcda2048c3312f.exe	16
PID 2040 wrote to memory of 1216	2040	43b3cb0d8ead9a35e8bcda2048c3312f.exe	16
PID 2040 wrote to memory of 1216	2040	43b3cb0d8ead9a35e8bcda2048c3312f.exe	16
PID 2040 wrote to memory of 1216	2040	43b3cb0d8ead9a35e8bcda2048c3312f.exe	16
PID 2040 wrote to memory of 1216	2040	43b3cb0d8ead9a35e8bcda2048c3312f.exe	16
PID 2040 wrote to memory of 1216	2040	43b3cb0d8ead9a35e8bcda2048c3312f.exe	16
PID 2040 wrote to memory of 1216	2040	43b3cb0d8ead9a35e8bcda2048c3312f.exe	16
PID 1216 wrote to memory of 2676	1216	43b3cb0d8ead9a35e8bcda2048c3312f.exe	29
PID 1216 wrote to memory of 2676	1216	43b3cb0d8ead9a35e8bcda2048c3312f.exe	29
PID 1216 wrote to memory of 2676	1216	43b3cb0d8ead9a35e8bcda2048c3312f.exe	29
PID 1216 wrote to memory of 2676	1216	43b3cb0d8ead9a35e8bcda2048c3312f.exe	29
PID 2676 wrote to memory of 2612	2676	cmd.exe	34
PID 2676 wrote to memory of 2612	2676	cmd.exe	34
PID 2676 wrote to memory of 2612	2676	cmd.exe	34
PID 2676 wrote to memory of 2612	2676	cmd.exe	34
PID 1216 wrote to memory of 2596	1216	43b3cb0d8ead9a35e8bcda2048c3312f.exe	33
PID 1216 wrote to memory of 2596	1216	43b3cb0d8ead9a35e8bcda2048c3312f.exe	33
PID 1216 wrote to memory of 2596	1216	43b3cb0d8ead9a35e8bcda2048c3312f.exe	33
PID 1216 wrote to memory of 2596	1216	43b3cb0d8ead9a35e8bcda2048c3312f.exe	33
PID 2596 wrote to memory of 2744	2596	security.exe	30
PID 2596 wrote to memory of 2744	2596	security.exe	30
PID 2596 wrote to memory of 2744	2596	security.exe	30
PID 2596 wrote to memory of 2744	2596	security.exe	30
PID 2596 wrote to memory of 2744	2596	security.exe	30
PID 2596 wrote to memory of 2744	2596	security.exe	30
PID 2596 wrote to memory of 2744	2596	security.exe	30
PID 2596 wrote to memory of 2744	2596	security.exe	30
PID 2596 wrote to memory of 1796	2596	security.exe	32
PID 2596 wrote to memory of 1796	2596	security.exe	32
PID 2596 wrote to memory of 1796	2596	security.exe	32
PID 2596 wrote to memory of 1796	2596	security.exe	32
PID 2596 wrote to memory of 1796	2596	security.exe	32
PID 2596 wrote to memory of 1796	2596	security.exe	32
PID 2596 wrote to memory of 1796	2596	security.exe	32
PID 2596 wrote to memory of 1796	2596	security.exe	32
PID 2596 wrote to memory of 1796	2596	security.exe	32

C:\Users\Admin\AppData\Local\Temp\43b3cb0d8ead9a35e8bcda2048c3312f.exe
"C:\Users\Admin\AppData\Local\Temp\43b3cb0d8ead9a35e8bcda2048c3312f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\43b3cb0d8ead9a35e8bcda2048c3312f.exe
  "C:\Users\Admin\AppData\Local\Temp\43b3cb0d8ead9a35e8bcda2048c3312f.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1216
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\EJXGG.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2676
  - - 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:2612
- - C:\Users\Admin\AppData\Roaming\Security\security.exe
    "C:\Users\Admin\AppData\Roaming\Security\security.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2596

C:\Users\Admin\AppData\Roaming\Security\security.exe
"C:\Users\Admin\AppData\Roaming\Security\security.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2744

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1216-393-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1216-902-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1216-398-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2040-10-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2040-2-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2040-304-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2040-122-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2040-123-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2040-20-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2040-4-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2040-303-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2040-16-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2596-591-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2596-594-0x0000000000440000-0x0000000000441000-memory.dmp

Filesize
4KB

Download
memory/2596-727-0x0000000002610000-0x0000000002611000-memory.dmp

Filesize
4KB

Download
memory/2596-589-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2744-905-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads