gh0strat | 0c56b0c9bc116353a25ab0c22bcdc043ba93024e572431d920fa34ec3c4e5209

General

Target

0c56b0c9bc116353a25ab0c22bcdc043ba93024e572431d920fa34ec3c4e5209.dll
Size

537KB
MD5

ada42bc98a05a0ffe6bc97cedc50197c
SHA1

3d1209bcddf2787e29d1fd354abfcbaf4ffeefc7
SHA256

0c56b0c9bc116353a25ab0c22bcdc043ba93024e572431d920fa34ec3c4e5209
SHA512

aa9619c23c1afe56a824fa980d6bf61ffb2bd1d962b6551a1569a79c1990a316df93af76700dbbcc37259ec8caeaa6f5309b19a6c32c47992efdd39f619b647c
SSDEEP

12288:8IHDE4QGEc9C6CBLKYOfH+OkfGhzlRYO0tHs3jiojajWv+Mb5:JjE4QGF46KLHOfeO+qctH+jdjPvRb5

Score

10^/10

gh0strat purplefox rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 4 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/880-3-0x0000000010000000-0x0000000010182000-memory.dmp	purplefox_rootkit
behavioral1/memory/880-4-0x0000000000A50000-0x0000000000BED000-memory.dmp	purplefox_rootkit
behavioral1/memory/880-13-0x0000000010000000-0x0000000010182000-memory.dmp	purplefox_rootkit
behavioral1/memory/880-21-0x0000000010000000-0x0000000010182000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/880-1-0x0000000010000000-0x0000000010182000-memory.dmp	family_gh0strat
behavioral1/memory/880-2-0x0000000010000000-0x0000000010182000-memory.dmp	family_gh0strat
behavioral1/memory/880-3-0x0000000010000000-0x0000000010182000-memory.dmp	family_gh0strat
behavioral1/memory/880-4-0x0000000000A50000-0x0000000000BED000-memory.dmp	family_gh0strat
behavioral1/memory/880-13-0x0000000010000000-0x0000000010182000-memory.dmp	family_gh0strat
behavioral1/memory/880-21-0x0000000010000000-0x0000000010182000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox

Executes dropped EXE 1 IoCs

pid	Process
2652	Skcja.exe

Loads dropped DLL 1 IoCs

pid	Process
880	rundll32.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/880-0-0x0000000010000000-0x0000000010182000-memory.dmp	upx
behavioral1/memory/880-1-0x0000000010000000-0x0000000010182000-memory.dmp	upx
behavioral1/memory/880-2-0x0000000010000000-0x0000000010182000-memory.dmp	upx
behavioral1/memory/880-3-0x0000000010000000-0x0000000010182000-memory.dmp	upx
behavioral1/memory/880-13-0x0000000010000000-0x0000000010182000-memory.dmp	upx
behavioral1/memory/880-21-0x0000000010000000-0x0000000010182000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\rundll32.exe	rundll32.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2604	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	880	rundll32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 880	2572	rundll32.exe	28
PID 2572 wrote to memory of 880	2572	rundll32.exe	28
PID 2572 wrote to memory of 880	2572	rundll32.exe	28
PID 2572 wrote to memory of 880	2572	rundll32.exe	28
PID 2572 wrote to memory of 880	2572	rundll32.exe	28
PID 2572 wrote to memory of 880	2572	rundll32.exe	28
PID 2572 wrote to memory of 880	2572	rundll32.exe	28
PID 880 wrote to memory of 2652	880	rundll32.exe	31
PID 880 wrote to memory of 2652	880	rundll32.exe	31
PID 880 wrote to memory of 2652	880	rundll32.exe	31
PID 880 wrote to memory of 2652	880	rundll32.exe	31
PID 880 wrote to memory of 2520	880	rundll32.exe	32
PID 880 wrote to memory of 2520	880	rundll32.exe	32
PID 880 wrote to memory of 2520	880	rundll32.exe	32
PID 880 wrote to memory of 2520	880	rundll32.exe	32
PID 2520 wrote to memory of 2604	2520	cmd.exe	34
PID 2520 wrote to memory of 2604	2520	cmd.exe	34
PID 2520 wrote to memory of 2604	2520	cmd.exe	34
PID 2520 wrote to memory of 2604	2520	cmd.exe	34

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0c56b0c9bc116353a25ab0c22bcdc043ba93024e572431d920fa34ec3c4e5209.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0c56b0c9bc116353a25ab0c22bcdc043ba93024e572431d920fa34ec3c4e5209.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:880
- - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Skcja.exe
    "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Skcja.exe"
    3⤵
    - Executes dropped EXE
    PID:2652
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Windows\SysWOW64\rundll32.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2520
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Skcja.exe

Filesize
500.0MB

MD5
0abd9f0635dbab278a46b5264eef7087

SHA1
9bd4116fb9e559426147e60988d04dde9084829d

SHA256
05bf8eec45788a60521eb4dcf90838a88ba0b91443a6afda27041e95e45363a3

SHA512
4948c1e89116299059fa4d685cceb23a1d671b3af28133f37aacf6df4363a512f98d9544ef3cd2d712d3a3b0782529a85f82f185016f1d39b148b2e3aa4f65d9

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Skcja.exe

Filesize
500.0MB

MD5
0abd9f0635dbab278a46b5264eef7087

SHA1
9bd4116fb9e559426147e60988d04dde9084829d

SHA256
05bf8eec45788a60521eb4dcf90838a88ba0b91443a6afda27041e95e45363a3

SHA512
4948c1e89116299059fa4d685cceb23a1d671b3af28133f37aacf6df4363a512f98d9544ef3cd2d712d3a3b0782529a85f82f185016f1d39b148b2e3aa4f65d9

Download Submit
\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Skcja.exe

Filesize
500.0MB

MD5
0abd9f0635dbab278a46b5264eef7087

SHA1
9bd4116fb9e559426147e60988d04dde9084829d

SHA256
05bf8eec45788a60521eb4dcf90838a88ba0b91443a6afda27041e95e45363a3

SHA512
4948c1e89116299059fa4d685cceb23a1d671b3af28133f37aacf6df4363a512f98d9544ef3cd2d712d3a3b0782529a85f82f185016f1d39b148b2e3aa4f65d9

Download Submit
memory/880-0-0x0000000010000000-0x0000000010182000-memory.dmp

Filesize
1.5MB

Download
memory/880-1-0x0000000010000000-0x0000000010182000-memory.dmp

Filesize
1.5MB

Download
memory/880-2-0x0000000010000000-0x0000000010182000-memory.dmp

Filesize
1.5MB

Download
memory/880-3-0x0000000010000000-0x0000000010182000-memory.dmp

Filesize
1.5MB

Download
memory/880-4-0x0000000000A50000-0x0000000000BED000-memory.dmp

Filesize
1.6MB

Download
memory/880-13-0x0000000010000000-0x0000000010182000-memory.dmp

Filesize
1.5MB

Download
memory/880-21-0x0000000010000000-0x0000000010182000-memory.dmp

Filesize
1.5MB

Download

Analysis

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