gh0strat | a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9

Analysis

max time kernel
173s
max time network
183s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
06-12-2022 17:42

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General

Target

a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe
Size

370KB
MD5

e839703c3f87be94b500c6533a64b339
SHA1

9ba24fdde53e05f8c8ffd3c202c5d3c5d4a21469
SHA256

a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9
SHA512

e6e9d9a1d56bd4c9201b809b1fdab93ac8215962e9a1b4e1435d6e8a36a74074342bd777c2e5452cf0d0b70be607fd8c8c05c718dc651f3d678da3a8c21d27cd
SSDEEP

6144:kbB5jfgexjptZL02vIMoIcGRU0MQmEMRxlroXnuUEF9GCpiQdl:kbB5jfgexjrOA9NRPmxwX/itFl

Score

10^/10

gh0strat bootkit persistence rat

Malware Config

Signatures

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001347b-66.dat	family_gh0strat
behavioral1/memory/960-67-0x0000000000400000-0x0000000000479000-memory.dmp	family_gh0strat
behavioral1/files/0x000a00000001347b-73.dat	family_gh0strat
behavioral1/files/0x000a00000001347b-72.dat	family_gh0strat
behavioral1/files/0x000a00000001347b-71.dat	family_gh0strat
behavioral1/files/0x000a00000001347b-75.dat	family_gh0strat
behavioral1/memory/588-80-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/588-83-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/588-84-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/588-85-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/960-90-0x0000000000400000-0x0000000000479000-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

Executes dropped EXE 2 IoCs

pid	Process
588	qiuqiu.exe
520	qiuqiu.exe

Deletes itself 1 IoCs

pid	Process
916	cmd.exe

Loads dropped DLL 11 IoCs

pid	Process
960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe
588	qiuqiu.exe
588	qiuqiu.exe
960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe
588	qiuqiu.exe
588	qiuqiu.exe
588	qiuqiu.exe
588	qiuqiu.exe
520	qiuqiu.exe
520	qiuqiu.exe
520	qiuqiu.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	qiuqiu.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\maomao.dll	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe
File created	C:\Program Files\Common Files\qiuqiu.dll	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe
File created	C:\Program Files\Common Files\qiuqiu.exe	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe
File opened for modification	C:\Program Files\Common Files\qiuqiu.exe	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.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	qiuqiu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	qiuqiu.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{438755C2-A8BA-11D1-B96B-00A0C90312E1}\InProcServer32	qiuqiu.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	qiuqiu.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{438755C2-A8BA-11D1-B96B-00A0C90312E1}	qiuqiu.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{438755C2-A8BA-11D1-B96B-00A0C90312E1}\InProcServer32\ = "C:\\Program Files\\Common Files\\qiuqiu.dll"	qiuqiu.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
588	qiuqiu.exe
588	qiuqiu.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 588	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	28
PID 960 wrote to memory of 588	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	28
PID 960 wrote to memory of 588	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	28
PID 960 wrote to memory of 588	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	28
PID 960 wrote to memory of 588	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	28
PID 960 wrote to memory of 588	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	28
PID 960 wrote to memory of 588	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	28
PID 960 wrote to memory of 520	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	29
PID 960 wrote to memory of 520	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	29
PID 960 wrote to memory of 520	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	29
PID 960 wrote to memory of 520	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	29
PID 960 wrote to memory of 520	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	29
PID 960 wrote to memory of 520	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	29
PID 960 wrote to memory of 520	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	29
PID 960 wrote to memory of 916	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	31
PID 960 wrote to memory of 916	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	31
PID 960 wrote to memory of 916	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	31
PID 960 wrote to memory of 916	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	31
PID 960 wrote to memory of 916	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	31
PID 960 wrote to memory of 916	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	31
PID 960 wrote to memory of 916	960	a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe	31
PID 520 wrote to memory of 384	520	qiuqiu.exe	30
PID 520 wrote to memory of 384	520	qiuqiu.exe	30
PID 520 wrote to memory of 384	520	qiuqiu.exe	30
PID 520 wrote to memory of 384	520	qiuqiu.exe	30
PID 520 wrote to memory of 384	520	qiuqiu.exe	30
PID 520 wrote to memory of 384	520	qiuqiu.exe	30
PID 520 wrote to memory of 384	520	qiuqiu.exe	30

C:\Users\Admin\AppData\Local\Temp\a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe
"C:\Users\Admin\AppData\Local\Temp\a697fc511b8205926b1fb7446c4f7af8543e6e9971ee6774c1b08fb12ea0b9f9.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:960
- C:\Program Files\Common Files\qiuqiu.exe
  "C:\Program Files\Common Files\qiuqiu.exe" "C:\Program Files\Common Files\maomao.dll" ServiceMain
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Writes to the Master Boot Record (MBR)
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:588
- C:\Documents and Settings\qiuqiu.exe
  "C:\Documents and Settings\qiuqiu.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:520
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del C:\DOCUME~1\qiuqiu.exe
    3⤵
    PID:384
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del C:\Users\Admin\AppData\Local\Temp\A697FC~1.EXE
  2⤵
  - Deletes itself
  PID:916

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Documents and Settings\qiuqiu.exe

Filesize
24.0MB

MD5
d8cfc02b4d1d3a669a4bc165eeff393c

SHA1
9833a6d661683ff2694dc494bfe2d2d380876557

SHA256
360204559c08b447b729f984487976421788f036c764d8c0a994b7ae4b33323c

SHA512
853d7a3c90fe2aac5f3e8a63200f11bbacf37c866579b176166066873bcc5d6ac548e128520732abf9706f2b17837613b5805063497e88a57e8b1fc83257af6e

Download Submit
C:\Program Files\Common Files\maomao.dll

Filesize
24.1MB

MD5
a926e990d458893132d8b1295dac16f9

SHA1
737296927a2a64cc72cc37388ff45c89d0b68bfc

SHA256
5af0f5028878f1801616c89c633f5e95620e12d9442c0b2d6282c3c9332cba7a

SHA512
5cd3255f8951cb5c098105d960357083415c54872c285de6bec815dce90ddfd8b665bc59f9f7727bd23f3581a5f25a1afa41227b430a7bb3ead646d06f0a2dd4

Download Submit
C:\Program Files\Common Files\qiuqiu.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Program Files\Common Files\qiuqiu.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Users\qiuqiu.exe

Filesize
24.0MB

MD5
d8cfc02b4d1d3a669a4bc165eeff393c

SHA1
9833a6d661683ff2694dc494bfe2d2d380876557

SHA256
360204559c08b447b729f984487976421788f036c764d8c0a994b7ae4b33323c

SHA512
853d7a3c90fe2aac5f3e8a63200f11bbacf37c866579b176166066873bcc5d6ac548e128520732abf9706f2b17837613b5805063497e88a57e8b1fc83257af6e

Download Submit
\Program Files\Common Files\maomao.dll

Filesize
24.1MB

MD5
a926e990d458893132d8b1295dac16f9

SHA1
737296927a2a64cc72cc37388ff45c89d0b68bfc

SHA256
5af0f5028878f1801616c89c633f5e95620e12d9442c0b2d6282c3c9332cba7a

SHA512
5cd3255f8951cb5c098105d960357083415c54872c285de6bec815dce90ddfd8b665bc59f9f7727bd23f3581a5f25a1afa41227b430a7bb3ead646d06f0a2dd4

Download Submit
\Program Files\Common Files\maomao.dll

Filesize
24.1MB

MD5
a926e990d458893132d8b1295dac16f9

SHA1
737296927a2a64cc72cc37388ff45c89d0b68bfc

SHA256
5af0f5028878f1801616c89c633f5e95620e12d9442c0b2d6282c3c9332cba7a

SHA512
5cd3255f8951cb5c098105d960357083415c54872c285de6bec815dce90ddfd8b665bc59f9f7727bd23f3581a5f25a1afa41227b430a7bb3ead646d06f0a2dd4

Download Submit
\Program Files\Common Files\maomao.dll

Filesize
24.1MB

MD5
a926e990d458893132d8b1295dac16f9

SHA1
737296927a2a64cc72cc37388ff45c89d0b68bfc

SHA256
5af0f5028878f1801616c89c633f5e95620e12d9442c0b2d6282c3c9332cba7a

SHA512
5cd3255f8951cb5c098105d960357083415c54872c285de6bec815dce90ddfd8b665bc59f9f7727bd23f3581a5f25a1afa41227b430a7bb3ead646d06f0a2dd4

Download Submit
\Program Files\Common Files\maomao.dll

Filesize
24.1MB

MD5
a926e990d458893132d8b1295dac16f9

SHA1
737296927a2a64cc72cc37388ff45c89d0b68bfc

SHA256
5af0f5028878f1801616c89c633f5e95620e12d9442c0b2d6282c3c9332cba7a

SHA512
5cd3255f8951cb5c098105d960357083415c54872c285de6bec815dce90ddfd8b665bc59f9f7727bd23f3581a5f25a1afa41227b430a7bb3ead646d06f0a2dd4

Download Submit
\Program Files\Common Files\qiuqiu.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Program Files\Common Files\qiuqiu.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Program Files\Common Files\qiuqiu.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\qiuqiu.exe

Filesize
24.0MB

MD5
d8cfc02b4d1d3a669a4bc165eeff393c

SHA1
9833a6d661683ff2694dc494bfe2d2d380876557

SHA256
360204559c08b447b729f984487976421788f036c764d8c0a994b7ae4b33323c

SHA512
853d7a3c90fe2aac5f3e8a63200f11bbacf37c866579b176166066873bcc5d6ac548e128520732abf9706f2b17837613b5805063497e88a57e8b1fc83257af6e

Download Submit
\Users\qiuqiu.exe

Filesize
24.0MB

MD5
d8cfc02b4d1d3a669a4bc165eeff393c

SHA1
9833a6d661683ff2694dc494bfe2d2d380876557

SHA256
360204559c08b447b729f984487976421788f036c764d8c0a994b7ae4b33323c

SHA512
853d7a3c90fe2aac5f3e8a63200f11bbacf37c866579b176166066873bcc5d6ac548e128520732abf9706f2b17837613b5805063497e88a57e8b1fc83257af6e

Download Submit
\Users\qiuqiu.exe

Filesize
24.0MB

MD5
d8cfc02b4d1d3a669a4bc165eeff393c

SHA1
9833a6d661683ff2694dc494bfe2d2d380876557

SHA256
360204559c08b447b729f984487976421788f036c764d8c0a994b7ae4b33323c

SHA512
853d7a3c90fe2aac5f3e8a63200f11bbacf37c866579b176166066873bcc5d6ac548e128520732abf9706f2b17837613b5805063497e88a57e8b1fc83257af6e

Download Submit
\Users\qiuqiu.exe

Filesize
24.0MB

MD5
d8cfc02b4d1d3a669a4bc165eeff393c

SHA1
9833a6d661683ff2694dc494bfe2d2d380876557

SHA256
360204559c08b447b729f984487976421788f036c764d8c0a994b7ae4b33323c

SHA512
853d7a3c90fe2aac5f3e8a63200f11bbacf37c866579b176166066873bcc5d6ac548e128520732abf9706f2b17837613b5805063497e88a57e8b1fc83257af6e

Download Submit
memory/384-89-0x0000000000000000-mapping.dmp

Download
memory/520-86-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/520-69-0x0000000000000000-mapping.dmp

Download
memory/520-77-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/520-92-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/520-87-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/588-85-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/588-80-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/588-83-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/588-84-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/588-60-0x0000000000000000-mapping.dmp

Download
memory/916-88-0x0000000000000000-mapping.dmp

Download
memory/960-55-0x0000000075591000-0x0000000075593000-memory.dmp

Filesize
8KB

Download
memory/960-54-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/960-67-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/960-58-0x0000000000240000-0x00000000002B9000-memory.dmp

Filesize
484KB

Download
memory/960-57-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/960-90-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/960-74-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/960-91-0x0000000000240000-0x000000000024D000-memory.dmp

Filesize
52KB

Download
memory/960-56-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download