gh0strat | a3b2e0301aa2339298711bc117e1820c3e52dd8259eb0fbb4c9b2bef69032e6a

General

Target

a3b2e0301aa2339298711bc117e1820c3e52dd8259eb0fbb4c9b2bef69032e6a.dll
Size

430KB
MD5

c7db6d02efd1706edee4bb150185ff53
SHA1

5e51254ba2465ed007c7140b4a10903d45b5d45c
SHA256

a3b2e0301aa2339298711bc117e1820c3e52dd8259eb0fbb4c9b2bef69032e6a
SHA512

860e25d96a9cca5a9f2578f560d94d13e03c0724a19093f34bcc3d4aad4d85cdd8f0327beabd2d07bfbba74efed58066c11e073ab15a0ae9f0f104e2e6e2ef81
SSDEEP

12288:q9j8pWxJdNxnSJwu416c9y0wiL7s1T37AVu68VnogfN7oSC:q9I+dGwu13UVb+n3fNM

Score

10^/10

gh0strat purplefox discovery rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2544-21-0x0000000000400000-0x0000000000543000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-20-0x0000000000400000-0x0000000000543000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-19-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-25-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-33-0x0000000000400000-0x0000000000543000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2544-21-0x0000000000400000-0x0000000000543000-memory.dmp	family_gh0strat
behavioral1/memory/2544-20-0x0000000000400000-0x0000000000543000-memory.dmp	family_gh0strat
behavioral1/memory/2544-19-0x0000000010000000-0x00000000101A0000-memory.dmp	family_gh0strat
behavioral1/memory/2544-25-0x0000000010000000-0x00000000101A0000-memory.dmp	family_gh0strat
behavioral1/memory/2544-33-0x0000000000400000-0x0000000000543000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Executes dropped EXE 1 IoCs

pid	Process
2784	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2496 set thread context of 2544	2496	rundll32.exe	32

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2496-3-0x0000000010000000-0x00000000100FE000-memory.dmp	upx
behavioral1/memory/2496-2-0x0000000010000000-0x00000000100FE000-memory.dmp	upx
behavioral1/memory/2496-1-0x0000000010000000-0x00000000100FE000-memory.dmp	upx
behavioral1/memory/2544-18-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2544-21-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2544-20-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2544-17-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2544-16-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2544-15-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2544-14-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2544-9-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2544-7-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2544-5-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2544-33-0x0000000000400000-0x0000000000543000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\NetMeeting\svchost.exe	svchost.exe
File created	C:\Program Files (x86)\NetMeeting\svchost.exe	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2748	cmd.exe
2860	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2860	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2544	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2496	2292	rundll32.exe	31
PID 2292 wrote to memory of 2496	2292	rundll32.exe	31
PID 2292 wrote to memory of 2496	2292	rundll32.exe	31
PID 2292 wrote to memory of 2496	2292	rundll32.exe	31
PID 2292 wrote to memory of 2496	2292	rundll32.exe	31
PID 2292 wrote to memory of 2496	2292	rundll32.exe	31
PID 2292 wrote to memory of 2496	2292	rundll32.exe	31
PID 2496 wrote to memory of 2544	2496	rundll32.exe	32
PID 2496 wrote to memory of 2544	2496	rundll32.exe	32
PID 2496 wrote to memory of 2544	2496	rundll32.exe	32
PID 2496 wrote to memory of 2544	2496	rundll32.exe	32
PID 2496 wrote to memory of 2544	2496	rundll32.exe	32
PID 2496 wrote to memory of 2544	2496	rundll32.exe	32
PID 2496 wrote to memory of 2544	2496	rundll32.exe	32
PID 2496 wrote to memory of 2544	2496	rundll32.exe	32
PID 2544 wrote to memory of 2748	2544	svchost.exe	34
PID 2544 wrote to memory of 2748	2544	svchost.exe	34
PID 2544 wrote to memory of 2748	2544	svchost.exe	34
PID 2544 wrote to memory of 2748	2544	svchost.exe	34
PID 2748 wrote to memory of 2860	2748	cmd.exe	36
PID 2748 wrote to memory of 2860	2748	cmd.exe	36
PID 2748 wrote to memory of 2860	2748	cmd.exe	36
PID 2748 wrote to memory of 2860	2748	cmd.exe	36

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3b2e0301aa2339298711bc117e1820c3e52dd8259eb0fbb4c9b2bef69032e6a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3b2e0301aa2339298711bc117e1820c3e52dd8259eb0fbb4c9b2bef69032e6a.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2496
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe fagahawhawhgawccc
    3⤵
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2544
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Windows\SysWOW64\svchost.exe > nul
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Suspicious use of WriteProcessMemory
      PID:2748
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping -n 2 127.0.0.1
        5⤵
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:2860

C:\Program Files (x86)\NetMeeting\svchost.exe
"C:\Program Files (x86)\NetMeeting\svchost.exe" -auto
1⤵
- Executes dropped EXE
PID:2784

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\NetMeeting\svchost.exe

Filesize
20KB

MD5
54a47f6b5e09a77e61649109c6a08866

SHA1
4af001b3c3816b860660cf2de2c0fd3c1dfb4878

SHA256
121118a0f5e0e8c933efd28c9901e54e42792619a8a3a6d11e1f0025a7324bc2

SHA512
88ee0ef5af1b0b38c19ab4c307636352fc403ea74f3bfb17e246f7fd815ac042183086133cd9fe805bd47e15854776871bb7d384e419862c91503eeb82bfb419

Download Submit
memory/2496-3-0x0000000010000000-0x00000000100FE000-memory.dmp

Filesize
1016KB

Download
memory/2496-2-0x0000000010000000-0x00000000100FE000-memory.dmp

Filesize
1016KB

Download
memory/2496-1-0x0000000010000000-0x00000000100FE000-memory.dmp

Filesize
1016KB

Download
memory/2496-0-0x0000000010000000-0x00000000100FE000-memory.dmp

Filesize
1016KB

Download
memory/2496-23-0x0000000010006000-0x0000000010007000-memory.dmp

Filesize
4KB

Download
memory/2496-22-0x0000000010006000-0x0000000010007000-memory.dmp

Filesize
4KB

Download
memory/2544-19-0x0000000010000000-0x00000000101A0000-memory.dmp

Filesize
1.6MB

Download
memory/2544-14-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2544-24-0x000000007641E000-0x000000007641F000-memory.dmp

Filesize
4KB

Download
memory/2544-21-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2544-17-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2544-16-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2544-15-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2544-20-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2544-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2544-25-0x0000000010000000-0x00000000101A0000-memory.dmp

Filesize
1.6MB

Download
memory/2544-9-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2544-7-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2544-5-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2544-4-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2544-18-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2544-33-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download

Analysis

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