parallax | 7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0

Analysis

max time kernel
137s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
18/04/2022, 09:27

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General

Target
7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0.exe
Size 510KB
Sample220418-lezxaadag8
SHA256 7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0
MD5 9564841aec80fb40ee9c1c431d85e28b
SHA1 2e7b383bb344e69fd7168f000b6ba62b4aeec2d7
SHA512 11e1da2d7fb6a5caeae443a0c09b951c4e7557873b3ba346f098ef2a73f285d773e86380bdc66340c350e64e0b66a81e23d725cc13902853a677d7f3d89a7b2c
MD5 SHA1 SHA512

Score

10^/10

parallax rat

Malware Config

Signatures

ParallaxRat
ParallaxRat is a multipurpose RAT written in MASM.
rat parallax

ParallaxRat payload 3 IoCs

Detects payload of Parallax Rat, a small portable Rat usually digitally signed with a Sectigo certificate.

resource	yara_rule
behavioral2/memory/1680-140-0x0000000000000000-mapping.dmp	parallax_rat
behavioral2/memory/1680-141-0x0000000000400000-0x000000000042B000-memory.dmp	parallax_rat
behavioral2/memory/1680-144-0x0000000000400000-0x000000000042B000-memory.dmp	parallax_rat

Executes dropped EXE 1 IoCs

pid	Process
3020	applaunch.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\applaunch.lnk	applaunch.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3020 set thread context of 1680	3020	applaunch.exe	89

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 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4740	7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0.exe
Token: SeDebugPrivilege	3020	applaunch.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 1968	4740	7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0.exe	84
PID 4740 wrote to memory of 1968	4740	7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0.exe	84
PID 4740 wrote to memory of 1968	4740	7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0.exe	84
PID 4740 wrote to memory of 1512	4740	7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0.exe	86
PID 4740 wrote to memory of 1512	4740	7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0.exe	86
PID 4740 wrote to memory of 1512	4740	7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0.exe	86
PID 1512 wrote to memory of 3020	1512	cmd.exe	88
PID 1512 wrote to memory of 3020	1512	cmd.exe	88
PID 1512 wrote to memory of 3020	1512	cmd.exe	88
PID 3020 wrote to memory of 1680	3020	applaunch.exe	89
PID 3020 wrote to memory of 1680	3020	applaunch.exe	89
PID 3020 wrote to memory of 1680	3020	applaunch.exe	89
PID 3020 wrote to memory of 1680	3020	applaunch.exe	89
PID 3020 wrote to memory of 1680	3020	applaunch.exe	89
PID 3020 wrote to memory of 1680	3020	applaunch.exe	89
PID 3020 wrote to memory of 1680	3020	applaunch.exe	89
PID 3020 wrote to memory of 1680	3020	applaunch.exe	89
PID 3020 wrote to memory of 1680	3020	applaunch.exe	89
PID 3020 wrote to memory of 1680	3020	applaunch.exe	89

C:\Users\Admin\AppData\Local\Temp\7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0.exe
"C:\Users\Admin\AppData\Local\Temp\7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\applaunch.exe"
  2⤵
  PID:1968
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\applaunch.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1512
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\applaunch.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\applaunch.exe"
    3⤵
    - Executes dropped EXE
    - Drops startup file
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3020
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      4⤵
      PID:1680

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

applaunch.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\applaunch.exe
Size 510KB
SHA256 7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0
MD5 9564841aec80fb40ee9c1c431d85e28b
SHA1 2e7b383bb344e69fd7168f000b6ba62b4aeec2d7
SHA512 11e1da2d7fb6a5caeae443a0c09b951c4e7557873b3ba346f098ef2a73f285d773e86380bdc66340c350e64e0b66a81e23d725cc13902853a677d7f3d89a7b2c
SSDEEP 6144:VVL0nt7DmqFt6oNZeDX6XGigvItky+7VE3p+qA2KMwJ7ecfZwi2S9jH0:buJPEX6fTkysa3cqAxM0ewwi2SJH0
MD5 SHA1 SHA512 SSDEEP

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applaunch.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\applaunch.exe
Size 510KB
SHA256 7a03f290d1527d11d034c9da40b7fcdcc351e0664592e1ee975c0dc12b7dfab0
MD5 9564841aec80fb40ee9c1c431d85e28b
SHA1 2e7b383bb344e69fd7168f000b6ba62b4aeec2d7
SHA512 11e1da2d7fb6a5caeae443a0c09b951c4e7557873b3ba346f098ef2a73f285d773e86380bdc66340c350e64e0b66a81e23d725cc13902853a677d7f3d89a7b2c
SSDEEP 6144:VVL0nt7DmqFt6oNZeDX6XGigvItky+7VE3p+qA2KMwJ7ecfZwi2S9jH0:buJPEX6fTkysa3cqAxM0ewwi2SJH0
MD5 SHA1 SHA512 SSDEEP

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memory/1680-141-0x0000000000400000-0x000000000042B000-memory.dmp

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memory/1680-144-0x0000000000400000-0x000000000042B000-memory.dmp

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memory/4740-133-0x00000000054D0000-0x0000000005514000-memory.dmp

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memory/4740-134-0x00000000061D0000-0x0000000006236000-memory.dmp

Download

memory/4740-130-0x00000000009E0000-0x0000000000A62000-memory.dmp

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memory/4740-132-0x0000000005BB0000-0x0000000006154000-memory.dmp

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memory/4740-131-0x0000000005560000-0x00000000055F2000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads