gh0strat | bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac

Analysis

max time kernel
156s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 18:22

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General

Target

bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
Size

12.4MB
MD5

4c98ac510af3819517f9a70b9480365b
SHA1

dd259aa78ff26a831ca1c0447580770e11aaa5bf
SHA256

bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac
SHA512

5b59f93384cb4ae654d850ac688fec5c83e5c019b077cdeab5774f85e78f8748035947bba2b111d741c8c38974535e9efdee74746dd7c9735a1d483a42bbccef
SSDEEP

196608:CKXbeO7AxU7JgljgVIVkbVK0+Gw5s8aPBJVyc9BDalX:f7AFJIIVCVKYw5naPBCc9s9

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3768-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3768-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3768-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2188-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2188-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3876-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3876-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3876-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023240-5.dat	family_gh0strat
behavioral2/memory/3768-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3768-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3768-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2188-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2188-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3876-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3876-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3876-45-0x0000000010000000-0x00000000101B6000-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	TXPlatfor.exe

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240654296.txt"	R.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"	TXPlatfor.exe

Executes dropped EXE 6 IoCs

pid	Process
4668	R.exe
3768	N.exe
2188	TXPlatfor.exe
3876	TXPlatfor.exe
2036	HD_bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
4956	Remote Data.exe

Loads dropped DLL 4 IoCs

pid	Process
4668	R.exe
4576	svchost.exe
4956	Remote Data.exe
2036	HD_bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3768-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3768-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3768-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3768-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2188-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2188-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2188-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3876-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3876-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3876-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240654296.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.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
4068	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4656	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
4656	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3876	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3768	N.exe
Token: SeLoadDriverPrivilege	3876	TXPlatfor.exe
Token: 33	3876	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3876	TXPlatfor.exe
Token: 33	3876	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3876	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4656	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
4656	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
2036	HD_bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
2036	HD_bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 4668	4656	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	90
PID 4656 wrote to memory of 4668	4656	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	90
PID 4656 wrote to memory of 4668	4656	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	90
PID 4656 wrote to memory of 3768	4656	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	93
PID 4656 wrote to memory of 3768	4656	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	93
PID 4656 wrote to memory of 3768	4656	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	93
PID 3768 wrote to memory of 3160	3768	N.exe	95
PID 3768 wrote to memory of 3160	3768	N.exe	95
PID 3768 wrote to memory of 3160	3768	N.exe	95
PID 2188 wrote to memory of 3876	2188	TXPlatfor.exe	96
PID 2188 wrote to memory of 3876	2188	TXPlatfor.exe	96
PID 2188 wrote to memory of 3876	2188	TXPlatfor.exe	96
PID 4656 wrote to memory of 2036	4656	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	98
PID 4656 wrote to memory of 2036	4656	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	98
PID 4656 wrote to memory of 2036	4656	bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe	98
PID 3160 wrote to memory of 4068	3160	cmd.exe	99
PID 3160 wrote to memory of 4068	3160	cmd.exe	99
PID 3160 wrote to memory of 4068	3160	cmd.exe	99
PID 4576 wrote to memory of 4956	4576	svchost.exe	100
PID 4576 wrote to memory of 4956	4576	svchost.exe	100
PID 4576 wrote to memory of 4956	4576	svchost.exe	100

C:\Users\Admin\AppData\Local\Temp\bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
"C:\Users\Admin\AppData\Local\Temp\bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:4668
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3768
- - 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\N.exe > nul
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3160
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4068
- C:\Users\Admin\AppData\Local\Temp\HD_bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
  C:\Users\Admin\AppData\Local\Temp\HD_bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:2036

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4428

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240654296.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4956

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:3876

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3724 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
1⤵
PID:4308

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

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\E2EECore.2.7.2.dll

Filesize
8.4MB

MD5
8b6c94bbdbfb213e94a5dcb4fac28ce3

SHA1
b56102ca4f03556f387f8b30e2b404efabe0cb65

SHA256
982a177924762f270b36fe34c7d6847392b48ae53151dc2011078dceef487a53

SHA512
9d6d63b5d8cf7a978d7e91126d7a343c2f7acd00022da9d692f63e50835fdd84a59a93328564f10622f2b1f6adfd7febdd98b8ddb294d0754ed45cc9c165d25a

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
2.4MB

MD5
abc063b09dae83361f529cd8ea1415b1

SHA1
3e9d12737543cff4bcd3c38ddba6a1ddec8c401d

SHA256
4cbdedfc76843087687a018bdfa235e3a5fa4db6bfb921025ce9259928068b6e

SHA512
fa916dc85eb4bac1b2d54ac18bf1434f5eb2eea16a55a3b76905296046c9eb55d003353d11d27258eba6f62c60397611dd9d75d72ce8c579777cc708c99d175a

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_bcff2ad3ed9b7853997c9b63eaccc687d7d35bf69d44b050bce4ff4ecd61c8ac.exe

Filesize
10.0MB

MD5
86a0f5bb3214da7fba994121dbc5b749

SHA1
12ce6a125ce0bcf2a4fcc8e95c6a4fafeab76532

SHA256
47fcb13327293a32b89ea5205a4ed3264ee7429af312c8f55836b72a6d2911ac

SHA512
4117d04d690d555c24d181b2dab7ba823975e7c32d0bd9e1ed3cd515aa9bcaecad31e7257269688351ad04f2549e47c09f70138edbed378b41826a3534a820c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Users\Admin\AppData\Local\Temp\RCXE2CC.tmp

Filesize
2.3MB

MD5
bf52d0d5fbcd4fd278d29551d8c6a316

SHA1
f66ac6f5ae7302e6a62c355f149d68ef17c0a725

SHA256
6443eb679d4a9bd5c6ce4501b11ab7e3dd3222cb2cef303ee60fa80e4eebb403

SHA512
3bb7d39bcf5047f5f9aa593611473187d56e3e8db58dd61b4726480d03df370d08f3e336f4a196b5a03ba02e19ebfc47c2f4fa08dc492fdafedf2c1a7a0ccbfa

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.ico

Filesize
69KB

MD5
e33fb6d686b1a8b171349572c5a33f67

SHA1
29f24fe536adf799b69b63c83efadc1bce457a54

SHA256
020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

SHA512
cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

Download Submit
C:\Windows\SysWOW64\240654296.txt

Filesize
899KB

MD5
c45636ae7e4e46b0c9d5653a71c15ec4

SHA1
9d41d99a34cdc7f9aba1cdf8fc305f6a215500da

SHA256
892a1e67ee7fa5c0ebae9333d1d0606d696f0b172019fac9e87df7d043253959

SHA512
bee6aa28fe2a765c5c7f9ab3f86cfefbcbb05cbb7744bd06f67abb6ce10b1d696d969b337250a172bf51e6f2b80a7454650381f2e3e37237554fb30531ce42b7

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/2188-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2188-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2188-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3768-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3768-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3768-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3768-16-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3876-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3876-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3876-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download