gh0strat | 9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c

Analysis

max time kernel
60s
max time network
68s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03-12-2022 22:39

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General

Target

9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe
Size

392KB
MD5

e5bc9ca9ea589d5aabd8325e8476d253
SHA1

c2fa8a3dbfeb72df437fe70dfb2e2d07429ff415
SHA256

9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c
SHA512

dfc18b03177badb480e15eebc825e56b838a66161ecfe4988218f83dedb7cec47a2aea75c01aad29928e55d86d4d97acc28bd27b88db8f34a44df5ca89304a2d
SSDEEP

6144:GZbXGgeRu/HYMDUkR3GKvf8QLBBzAM+GuN8QpKP+fA:GZjGgeRu1DUIlLbzL+jk+fA

Score

10^/10

gh0strat bootkit persistence rat

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000122f1-67.dat	family_gh0strat
behavioral1/memory/1672-68-0x0000000000400000-0x0000000000479000-memory.dmp	family_gh0strat
behavioral1/files/0x000b0000000122f1-69.dat	family_gh0strat
behavioral1/files/0x000b0000000122f1-71.dat	family_gh0strat
behavioral1/files/0x000b0000000122f1-70.dat	family_gh0strat
behavioral1/files/0x000b0000000122f1-72.dat	family_gh0strat
behavioral1/memory/2036-73-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/2036-74-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/1672-90-0x0000000000400000-0x0000000000479000-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
2036	qiuqi0.exe
1912	qiuqi0.exe

Deletes itself 1 IoCs

pid	Process
1088	cmd.exe

Loads dropped DLL 11 IoCs

pid	Process
1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe
2036	qiuqi0.exe
2036	qiuqi0.exe
2036	qiuqi0.exe
2036	qiuqi0.exe
2036	qiuqi0.exe
2036	qiuqi0.exe
1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe
1912	qiuqi0.exe
1912	qiuqi0.exe
1912	qiuqi0.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	qiuqi0.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\qiuqi0.bat	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe
File created	C:\Program Files\Common Files\maoma0.dll	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe
File created	C:\Program Files\Common Files\qiuqi0.dll	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe
File created	C:\Program Files\Common Files\qiuqi0.exe	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe
File opened for modification	C:\Program Files\Common Files\qiuqi0.exe	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.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	qiuqi0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	qiuqi0.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	qiuqi0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{603D3801-BD81-11d0-A3A5-00C04FD706EC}	qiuqi0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{603D3801-BD81-11d0-A3A5-00C04FD706EC}\InProcServer32	qiuqi0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2036	qiuqi0.exe
2036	qiuqi0.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 2036	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	27
PID 1672 wrote to memory of 2036	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	27
PID 1672 wrote to memory of 2036	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	27
PID 1672 wrote to memory of 2036	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	27
PID 1672 wrote to memory of 2036	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	27
PID 1672 wrote to memory of 2036	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	27
PID 1672 wrote to memory of 2036	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	27
PID 1672 wrote to memory of 1912	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	28
PID 1672 wrote to memory of 1912	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	28
PID 1672 wrote to memory of 1912	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	28
PID 1672 wrote to memory of 1912	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	28
PID 1672 wrote to memory of 1912	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	28
PID 1672 wrote to memory of 1912	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	28
PID 1672 wrote to memory of 1912	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	28
PID 1912 wrote to memory of 1320	1912	qiuqi0.exe	29
PID 1912 wrote to memory of 1320	1912	qiuqi0.exe	29
PID 1912 wrote to memory of 1320	1912	qiuqi0.exe	29
PID 1912 wrote to memory of 1320	1912	qiuqi0.exe	29
PID 1912 wrote to memory of 1320	1912	qiuqi0.exe	29
PID 1912 wrote to memory of 1320	1912	qiuqi0.exe	29
PID 1912 wrote to memory of 1320	1912	qiuqi0.exe	29
PID 1672 wrote to memory of 1088	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	31
PID 1672 wrote to memory of 1088	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	31
PID 1672 wrote to memory of 1088	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	31
PID 1672 wrote to memory of 1088	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	31
PID 1672 wrote to memory of 1088	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	31
PID 1672 wrote to memory of 1088	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	31
PID 1672 wrote to memory of 1088	1672	9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe	31

C:\Users\Admin\AppData\Local\Temp\9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe
"C:\Users\Admin\AppData\Local\Temp\9f5c7e2bdaa4d43e455270ecefcaa34edc0c7c7388bdd345e3d4f4f4477e9d8c.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Program Files\Common Files\qiuqi0.exe
  "C:\Program Files\Common Files\qiuqi0.exe" "C:\Program Files\Common Files\maoma0.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:2036
- C:\Documents and Settings\qiuqi0.exe
  "C:\Documents and Settings\qiuqi0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del C:\DOCUME~1\qiuqi0.exe
    3⤵
    PID:1320
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del C:\Users\Admin\AppData\Local\Temp\9F5C7E~1.EXE
  2⤵
  - Deletes itself
  PID:1088

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\qiuqi0.exe

Filesize
24.0MB

MD5
41876257df75dc8a0ab8c20f7aaf0892

SHA1
fbdc3c4a344c1356cd4e20dc4c05a2e73fcade97

SHA256
b9ec9ee9171575b50059af1d23760b69e11b6f4d2857b99599beb294af34a33c

SHA512
3243a58c0d71fa9bfe715030b837429c0277e56705b40ebd9bbfe71a9404b58db0ff0deed49a073cc5807ddde12862713a55ff3a531d4b8d144922e4f760804b

Download Submit
C:\Program Files\Common Files\maoma0.dll

Filesize
24.1MB

MD5
82482993fc9968236e8ec0004874cd64

SHA1
ba77599d8258aa1db556bf65c61f0e1e95daefb1

SHA256
ce631db8a9bbfae26bcd9345c52932abdf5a604111efed75d2b26f6726559588

SHA512
68aded4bce501f6b2e96c363c3d92944c633d649654bcc68a2033a508a50036f96ee00606b61e8fd1e91b74bf0f4838dbab956377949bb4a81f57e2911774c6e

Download Submit
C:\Program Files\Common Files\qiuqi0.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Program Files\Common Files\qiuqi0.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Users\qiuqi0.exe

Filesize
24.0MB

MD5
41876257df75dc8a0ab8c20f7aaf0892

SHA1
fbdc3c4a344c1356cd4e20dc4c05a2e73fcade97

SHA256
b9ec9ee9171575b50059af1d23760b69e11b6f4d2857b99599beb294af34a33c

SHA512
3243a58c0d71fa9bfe715030b837429c0277e56705b40ebd9bbfe71a9404b58db0ff0deed49a073cc5807ddde12862713a55ff3a531d4b8d144922e4f760804b

Download Submit
\Program Files\Common Files\maoma0.dll

Filesize
24.1MB

MD5
82482993fc9968236e8ec0004874cd64

SHA1
ba77599d8258aa1db556bf65c61f0e1e95daefb1

SHA256
ce631db8a9bbfae26bcd9345c52932abdf5a604111efed75d2b26f6726559588

SHA512
68aded4bce501f6b2e96c363c3d92944c633d649654bcc68a2033a508a50036f96ee00606b61e8fd1e91b74bf0f4838dbab956377949bb4a81f57e2911774c6e

Download Submit
\Program Files\Common Files\maoma0.dll

Filesize
24.1MB

MD5
82482993fc9968236e8ec0004874cd64

SHA1
ba77599d8258aa1db556bf65c61f0e1e95daefb1

SHA256
ce631db8a9bbfae26bcd9345c52932abdf5a604111efed75d2b26f6726559588

SHA512
68aded4bce501f6b2e96c363c3d92944c633d649654bcc68a2033a508a50036f96ee00606b61e8fd1e91b74bf0f4838dbab956377949bb4a81f57e2911774c6e

Download Submit
\Program Files\Common Files\maoma0.dll

Filesize
24.1MB

MD5
82482993fc9968236e8ec0004874cd64

SHA1
ba77599d8258aa1db556bf65c61f0e1e95daefb1

SHA256
ce631db8a9bbfae26bcd9345c52932abdf5a604111efed75d2b26f6726559588

SHA512
68aded4bce501f6b2e96c363c3d92944c633d649654bcc68a2033a508a50036f96ee00606b61e8fd1e91b74bf0f4838dbab956377949bb4a81f57e2911774c6e

Download Submit
\Program Files\Common Files\maoma0.dll

Filesize
24.1MB

MD5
82482993fc9968236e8ec0004874cd64

SHA1
ba77599d8258aa1db556bf65c61f0e1e95daefb1

SHA256
ce631db8a9bbfae26bcd9345c52932abdf5a604111efed75d2b26f6726559588

SHA512
68aded4bce501f6b2e96c363c3d92944c633d649654bcc68a2033a508a50036f96ee00606b61e8fd1e91b74bf0f4838dbab956377949bb4a81f57e2911774c6e

Download Submit
\Program Files\Common Files\qiuqi0.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Program Files\Common Files\qiuqi0.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Program Files\Common Files\qiuqi0.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\qiuqi0.exe

Filesize
24.0MB

MD5
41876257df75dc8a0ab8c20f7aaf0892

SHA1
fbdc3c4a344c1356cd4e20dc4c05a2e73fcade97

SHA256
b9ec9ee9171575b50059af1d23760b69e11b6f4d2857b99599beb294af34a33c

SHA512
3243a58c0d71fa9bfe715030b837429c0277e56705b40ebd9bbfe71a9404b58db0ff0deed49a073cc5807ddde12862713a55ff3a531d4b8d144922e4f760804b

Download Submit
\Users\qiuqi0.exe

Filesize
24.0MB

MD5
41876257df75dc8a0ab8c20f7aaf0892

SHA1
fbdc3c4a344c1356cd4e20dc4c05a2e73fcade97

SHA256
b9ec9ee9171575b50059af1d23760b69e11b6f4d2857b99599beb294af34a33c

SHA512
3243a58c0d71fa9bfe715030b837429c0277e56705b40ebd9bbfe71a9404b58db0ff0deed49a073cc5807ddde12862713a55ff3a531d4b8d144922e4f760804b

Download Submit
\Users\qiuqi0.exe

Filesize
24.0MB

MD5
41876257df75dc8a0ab8c20f7aaf0892

SHA1
fbdc3c4a344c1356cd4e20dc4c05a2e73fcade97

SHA256
b9ec9ee9171575b50059af1d23760b69e11b6f4d2857b99599beb294af34a33c

SHA512
3243a58c0d71fa9bfe715030b837429c0277e56705b40ebd9bbfe71a9404b58db0ff0deed49a073cc5807ddde12862713a55ff3a531d4b8d144922e4f760804b

Download Submit
\Users\qiuqi0.exe

Filesize
24.0MB

MD5
41876257df75dc8a0ab8c20f7aaf0892

SHA1
fbdc3c4a344c1356cd4e20dc4c05a2e73fcade97

SHA256
b9ec9ee9171575b50059af1d23760b69e11b6f4d2857b99599beb294af34a33c

SHA512
3243a58c0d71fa9bfe715030b837429c0277e56705b40ebd9bbfe71a9404b58db0ff0deed49a073cc5807ddde12862713a55ff3a531d4b8d144922e4f760804b

Download Submit
memory/1672-83-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1672-56-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1672-90-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1672-68-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1672-91-0x0000000000250000-0x000000000028E000-memory.dmp

Filesize
248KB

Download
memory/1672-55-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1672-59-0x0000000000250000-0x000000000028E000-memory.dmp

Filesize
248KB

Download
memory/1672-58-0x0000000000310000-0x0000000000389000-memory.dmp

Filesize
484KB

Download
memory/1672-57-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1672-54-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1912-85-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/1912-84-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1912-86-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/1912-88-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2036-74-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2036-73-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download