gh0strat | 7ae098ad9f95ebedb2b11a5c201ce0e4cf0561349332375d398b79c262f07f00

General

Target

7ae098ad9f95ebedb2b11a5c201ce0e4cf0561349332375d398b79c262f07f00.exe
Size

611KB
MD5

6fa0005ec0a80e557577b4bb6a96247d
SHA1

729280eb0028c31d2b8ce78d5ea8e7c9581bb5f8
SHA256

7ae098ad9f95ebedb2b11a5c201ce0e4cf0561349332375d398b79c262f07f00
SHA512

4efb517afa7c7fad178df972c95df8e37fa65dfb5611e61bdc10045a05fcc677e1cbd68a2563ca5504741d0a81dd20ebf95fe017d2396c402cb04f580876c016
SSDEEP

12288:tFpuzZSkcBNrl5mTEUkDaSdJfpSaoNRVBUyMCe8VMM80B7qrI3iK1XBwZQmm:tFmShDrngEUkDaiJfpSaoNRpMCe8CM8i

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2648-1-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral1/memory/2816-20-0x0000000001180000-0x0000000001305000-memory.dmp	purplefox_rootkit
behavioral1/memory/2648-19-0x0000000000400000-0x0000000000585000-memory.dmp	purplefox_rootkit
behavioral1/memory/2816-30-0x0000000000400000-0x0000000000585000-memory.dmp	purplefox_rootkit
behavioral1/memory/2736-28-0x0000000000400000-0x0000000000585000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2648-1-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral1/memory/2816-20-0x0000000001180000-0x0000000001305000-memory.dmp	family_gh0strat
behavioral1/memory/2648-19-0x0000000000400000-0x0000000000585000-memory.dmp	family_gh0strat
behavioral1/memory/2816-30-0x0000000000400000-0x0000000000585000-memory.dmp	family_gh0strat
behavioral1/memory/2736-28-0x0000000000400000-0x0000000000585000-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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	Aqiyq.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	Aqiyq.exe

Deletes itself 1 IoCs

pid	Process
2756	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2816	Aqiyq.exe
2736	Aqiyq.exe

Loads dropped DLL 1 IoCs

pid	Process
2816	Aqiyq.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\P:	Aqiyq.exe
File opened (read-only)	\??\R:	Aqiyq.exe
File opened (read-only)	\??\V:	Aqiyq.exe
File opened (read-only)	\??\T:	Aqiyq.exe
File opened (read-only)	\??\X:	Aqiyq.exe
File opened (read-only)	\??\I:	Aqiyq.exe
File opened (read-only)	\??\L:	Aqiyq.exe
File opened (read-only)	\??\M:	Aqiyq.exe
File opened (read-only)	\??\O:	Aqiyq.exe
File opened (read-only)	\??\U:	Aqiyq.exe
File opened (read-only)	\??\W:	Aqiyq.exe
File opened (read-only)	\??\Y:	Aqiyq.exe
File opened (read-only)	\??\Z:	Aqiyq.exe
File opened (read-only)	\??\E:	Aqiyq.exe
File opened (read-only)	\??\H:	Aqiyq.exe
File opened (read-only)	\??\N:	Aqiyq.exe
File opened (read-only)	\??\K:	Aqiyq.exe
File opened (read-only)	\??\Q:	Aqiyq.exe
File opened (read-only)	\??\S:	Aqiyq.exe
File opened (read-only)	\??\B:	Aqiyq.exe
File opened (read-only)	\??\G:	Aqiyq.exe
File opened (read-only)	\??\J:	Aqiyq.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Aqiyq.exe	7ae098ad9f95ebedb2b11a5c201ce0e4cf0561349332375d398b79c262f07f00.exe
File opened for modification	C:\Windows\SysWOW64\Aqiyq.exe	7ae098ad9f95ebedb2b11a5c201ce0e4cf0561349332375d398b79c262f07f00.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2648-0-0x0000000000400000-0x0000000000585000-memory.dmp	upx
behavioral1/files/0x000b000000012282-9.dat	upx
behavioral1/memory/2648-19-0x0000000000400000-0x0000000000585000-memory.dmp	upx
behavioral1/memory/2816-30-0x0000000000400000-0x0000000000585000-memory.dmp	upx
behavioral1/memory/2736-28-0x0000000000400000-0x0000000000585000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 5 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	Aqiyq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7ae098ad9f95ebedb2b11a5c201ce0e4cf0561349332375d398b79c262f07f00.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Aqiyq.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
2756	cmd.exe
2616	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Aqiyq.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Aqiyq.exe

Modifies data under HKEY_USERS 12 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	Aqiyq.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Aqiyq.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	Aqiyq.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Aqiyq.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	Aqiyq.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum	Aqiyq.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	Aqiyq.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	Aqiyq.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	Aqiyq.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Aqiyq.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	Aqiyq.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie	Aqiyq.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2616	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe
2736	Aqiyq.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2736	Aqiyq.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2648	7ae098ad9f95ebedb2b11a5c201ce0e4cf0561349332375d398b79c262f07f00.exe
Token: SeLoadDriverPrivilege	2736	Aqiyq.exe
Token: 33	2736	Aqiyq.exe
Token: SeIncBasePriorityPrivilege	2736	Aqiyq.exe
Token: 33	2736	Aqiyq.exe
Token: SeIncBasePriorityPrivilege	2736	Aqiyq.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2756	2648	7ae098ad9f95ebedb2b11a5c201ce0e4cf0561349332375d398b79c262f07f00.exe	32
PID 2648 wrote to memory of 2756	2648	7ae098ad9f95ebedb2b11a5c201ce0e4cf0561349332375d398b79c262f07f00.exe	32
PID 2648 wrote to memory of 2756	2648	7ae098ad9f95ebedb2b11a5c201ce0e4cf0561349332375d398b79c262f07f00.exe	32
PID 2648 wrote to memory of 2756	2648	7ae098ad9f95ebedb2b11a5c201ce0e4cf0561349332375d398b79c262f07f00.exe	32
PID 2816 wrote to memory of 2736	2816	Aqiyq.exe	33
PID 2816 wrote to memory of 2736	2816	Aqiyq.exe	33
PID 2816 wrote to memory of 2736	2816	Aqiyq.exe	33
PID 2816 wrote to memory of 2736	2816	Aqiyq.exe	33
PID 2756 wrote to memory of 2616	2756	cmd.exe	35
PID 2756 wrote to memory of 2616	2756	cmd.exe	35
PID 2756 wrote to memory of 2616	2756	cmd.exe	35
PID 2756 wrote to memory of 2616	2756	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\7ae098ad9f95ebedb2b11a5c201ce0e4cf0561349332375d398b79c262f07f00.exe
"C:\Users\Admin\AppData\Local\Temp\7ae098ad9f95ebedb2b11a5c201ce0e4cf0561349332375d398b79c262f07f00.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\7AE098~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2616

C:\Windows\SysWOW64\Aqiyq.exe
C:\Windows\SysWOW64\Aqiyq.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\SysWOW64\Aqiyq.exe
  C:\Windows\SysWOW64\Aqiyq.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2736

Network

DNS

caonima.ydns.eu

Aqiyq.exe

Remote address:

8.8.8.8:53

Request

caonima.ydns.eu

IN A

Response

caonima.ydns.eu

IN A

45.125.32.99

45.125.32.99:8089

caonima.ydns.eu

Aqiyq.exe

1.1kB
783 B
18
18

8.8.8.8:53

caonima.ydns.eu

dns

Aqiyq.exe

61 B
77 B
1
1

DNS Request

caonima.ydns.eu

DNS Response

45.125.32.99

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

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

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Downloads

C:\Windows\SysWOW64\Aqiyq.exe

Filesize
611KB

MD5
6fa0005ec0a80e557577b4bb6a96247d

SHA1
729280eb0028c31d2b8ce78d5ea8e7c9581bb5f8

SHA256
7ae098ad9f95ebedb2b11a5c201ce0e4cf0561349332375d398b79c262f07f00

SHA512
4efb517afa7c7fad178df972c95df8e37fa65dfb5611e61bdc10045a05fcc677e1cbd68a2563ca5504741d0a81dd20ebf95fe017d2396c402cb04f580876c016

Download Submit
memory/2648-0-0x0000000000400000-0x0000000000585000-memory.dmp

Filesize
1.5MB

Download
memory/2648-1-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/2648-19-0x0000000000400000-0x0000000000585000-memory.dmp

Filesize
1.5MB

Download
memory/2736-28-0x0000000000400000-0x0000000000585000-memory.dmp

Filesize
1.5MB

Download
memory/2816-20-0x0000000001180000-0x0000000001305000-memory.dmp

Filesize
1.5MB

Download
memory/2816-30-0x0000000000400000-0x0000000000585000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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