gh0strat | ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40

Analysis

max time kernel
145s
max time network
116s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 22:39

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General

Target

ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe
Size

510KB
MD5

dfc487f16e2c7115e4f15e80f5720de9
SHA1

e4a9a78f61e5cb7912c45c349a2807805c8ff36b
SHA256

ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40
SHA512

3b7a569f23e1af82de0ff289ca3ebaf4ca2e39129550068b535ee09b552d3968611813cc6459180d5ec49f53ca5bf5f4162246c3f8aa5249715d0927f0642dd1
SSDEEP

6144:nINgekrKFVH0pwpM9NBiBd3wxQKwaaQKbp1g:nINgekrKFVH0pp9KdAxQKwBe

Score

10^/10

gh0strat bootkit persistence rat

Malware Config

Signatures

Gh0st RAT payload 12 IoCs

resource	yara_rule
behavioral1/memory/2028-55-0x0000000000400000-0x0000000000479000-memory.dmp	family_gh0strat
behavioral1/files/0x000a000000013109-64.dat	family_gh0strat
behavioral1/files/0x000a000000013109-68.dat	family_gh0strat
behavioral1/files/0x000a000000013109-67.dat	family_gh0strat
behavioral1/files/0x000a000000013109-66.dat	family_gh0strat
behavioral1/files/0x000a000000013109-65.dat	family_gh0strat
behavioral1/memory/1104-69-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/1104-71-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/1104-70-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/1104-72-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/2028-88-0x0000000000400000-0x0000000000479000-memory.dmp	family_gh0strat
behavioral1/memory/1104-92-0x0000000020000000-0x0000000020027000-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
1104	qiuqi0.exe
1500	qiuqi0.exe

Deletes itself 1 IoCs

pid	Process
968	cmd.exe

Loads dropped DLL 11 IoCs

pid	Process
2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe
1104	qiuqi0.exe
1104	qiuqi0.exe
1104	qiuqi0.exe
1104	qiuqi0.exe
1104	qiuqi0.exe
1104	qiuqi0.exe
2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe
1500	qiuqi0.exe
1500	qiuqi0.exe
1500	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.exe	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe
File opened for modification	C:\Program Files\Common Files\qiuqi0.exe	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe
File created	C:\Program Files\Common Files\qiuqi0.bat	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe
File created	C:\Program Files\Common Files\maoma0.dll	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe
File created	C:\Program Files\Common Files\qiuqi0.dll	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	qiuqi0.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	qiuqi0.exe

Modifies registry class 3 IoCs

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1104	qiuqi0.exe
1104	qiuqi0.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1104	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	28
PID 2028 wrote to memory of 1104	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	28
PID 2028 wrote to memory of 1104	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	28
PID 2028 wrote to memory of 1104	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	28
PID 2028 wrote to memory of 1104	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	28
PID 2028 wrote to memory of 1104	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	28
PID 2028 wrote to memory of 1104	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	28
PID 2028 wrote to memory of 1500	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	29
PID 2028 wrote to memory of 1500	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	29
PID 2028 wrote to memory of 1500	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	29
PID 2028 wrote to memory of 1500	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	29
PID 2028 wrote to memory of 1500	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	29
PID 2028 wrote to memory of 1500	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	29
PID 2028 wrote to memory of 1500	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	29
PID 1500 wrote to memory of 860	1500	qiuqi0.exe	30
PID 1500 wrote to memory of 860	1500	qiuqi0.exe	30
PID 1500 wrote to memory of 860	1500	qiuqi0.exe	30
PID 1500 wrote to memory of 860	1500	qiuqi0.exe	30
PID 1500 wrote to memory of 860	1500	qiuqi0.exe	30
PID 1500 wrote to memory of 860	1500	qiuqi0.exe	30
PID 1500 wrote to memory of 860	1500	qiuqi0.exe	30
PID 2028 wrote to memory of 968	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	32
PID 2028 wrote to memory of 968	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	32
PID 2028 wrote to memory of 968	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	32
PID 2028 wrote to memory of 968	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	32
PID 2028 wrote to memory of 968	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	32
PID 2028 wrote to memory of 968	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	32
PID 2028 wrote to memory of 968	2028	ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe	32

C:\Users\Admin\AppData\Local\Temp\ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe
"C:\Users\Admin\AppData\Local\Temp\ac97426defa6f6836321051f424707f571fe3d4967e33d2ed4584f06f1a68c40.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2028
- 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:1104
- 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:1500
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del C:\DOCUME~1\qiuqi0.exe
    3⤵
    PID:860
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del C:\Users\Admin\AppData\Local\Temp\AC9742~1.EXE
  2⤵
  - Deletes itself
  PID:968

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
027df784c339ad2fed580a17cb571d75

SHA1
3b91a629205f0049b5db94fd4f8cbaf597984700

SHA256
6d67f89fdea88901e56220b9002313f32f93a327f3370db38bd0a73b9bbb8665

SHA512
de207fb2ce27610d69eafe8e5375e71cf011333d0993e7804f847e0b5334bee8a607931e49d3920e6c28c574b5e92c021a56ab7dfd770979080111d93c24f849

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

Filesize
24.1MB

MD5
ad5602c8dcd2087b3458219092a0ed3f

SHA1
5fedf62a348d3cbcba6a6163674fb5a7fba65de8

SHA256
5d6d344c60f68cf1295e9e1eaf7e0e57fcbe81c2d867f733bf09f5895c63b329

SHA512
819af686251b6ae26814d35f8df9815da37e0c97e74e23a1633229ea20926420caa65c9669642dc2ca8d80eeff7991a1929e8222894a6605f42a951f07329b7b

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
027df784c339ad2fed580a17cb571d75

SHA1
3b91a629205f0049b5db94fd4f8cbaf597984700

SHA256
6d67f89fdea88901e56220b9002313f32f93a327f3370db38bd0a73b9bbb8665

SHA512
de207fb2ce27610d69eafe8e5375e71cf011333d0993e7804f847e0b5334bee8a607931e49d3920e6c28c574b5e92c021a56ab7dfd770979080111d93c24f849

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

Filesize
24.1MB

MD5
ad5602c8dcd2087b3458219092a0ed3f

SHA1
5fedf62a348d3cbcba6a6163674fb5a7fba65de8

SHA256
5d6d344c60f68cf1295e9e1eaf7e0e57fcbe81c2d867f733bf09f5895c63b329

SHA512
819af686251b6ae26814d35f8df9815da37e0c97e74e23a1633229ea20926420caa65c9669642dc2ca8d80eeff7991a1929e8222894a6605f42a951f07329b7b

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

Filesize
24.1MB

MD5
ad5602c8dcd2087b3458219092a0ed3f

SHA1
5fedf62a348d3cbcba6a6163674fb5a7fba65de8

SHA256
5d6d344c60f68cf1295e9e1eaf7e0e57fcbe81c2d867f733bf09f5895c63b329

SHA512
819af686251b6ae26814d35f8df9815da37e0c97e74e23a1633229ea20926420caa65c9669642dc2ca8d80eeff7991a1929e8222894a6605f42a951f07329b7b

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

Filesize
24.1MB

MD5
ad5602c8dcd2087b3458219092a0ed3f

SHA1
5fedf62a348d3cbcba6a6163674fb5a7fba65de8

SHA256
5d6d344c60f68cf1295e9e1eaf7e0e57fcbe81c2d867f733bf09f5895c63b329

SHA512
819af686251b6ae26814d35f8df9815da37e0c97e74e23a1633229ea20926420caa65c9669642dc2ca8d80eeff7991a1929e8222894a6605f42a951f07329b7b

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

Filesize
24.1MB

MD5
ad5602c8dcd2087b3458219092a0ed3f

SHA1
5fedf62a348d3cbcba6a6163674fb5a7fba65de8

SHA256
5d6d344c60f68cf1295e9e1eaf7e0e57fcbe81c2d867f733bf09f5895c63b329

SHA512
819af686251b6ae26814d35f8df9815da37e0c97e74e23a1633229ea20926420caa65c9669642dc2ca8d80eeff7991a1929e8222894a6605f42a951f07329b7b

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
027df784c339ad2fed580a17cb571d75

SHA1
3b91a629205f0049b5db94fd4f8cbaf597984700

SHA256
6d67f89fdea88901e56220b9002313f32f93a327f3370db38bd0a73b9bbb8665

SHA512
de207fb2ce27610d69eafe8e5375e71cf011333d0993e7804f847e0b5334bee8a607931e49d3920e6c28c574b5e92c021a56ab7dfd770979080111d93c24f849

Download Submit
\Users\qiuqi0.exe

Filesize
24.0MB

MD5
027df784c339ad2fed580a17cb571d75

SHA1
3b91a629205f0049b5db94fd4f8cbaf597984700

SHA256
6d67f89fdea88901e56220b9002313f32f93a327f3370db38bd0a73b9bbb8665

SHA512
de207fb2ce27610d69eafe8e5375e71cf011333d0993e7804f847e0b5334bee8a607931e49d3920e6c28c574b5e92c021a56ab7dfd770979080111d93c24f849

Download Submit
\Users\qiuqi0.exe

Filesize
24.0MB

MD5
027df784c339ad2fed580a17cb571d75

SHA1
3b91a629205f0049b5db94fd4f8cbaf597984700

SHA256
6d67f89fdea88901e56220b9002313f32f93a327f3370db38bd0a73b9bbb8665

SHA512
de207fb2ce27610d69eafe8e5375e71cf011333d0993e7804f847e0b5334bee8a607931e49d3920e6c28c574b5e92c021a56ab7dfd770979080111d93c24f849

Download Submit
\Users\qiuqi0.exe

Filesize
24.0MB

MD5
027df784c339ad2fed580a17cb571d75

SHA1
3b91a629205f0049b5db94fd4f8cbaf597984700

SHA256
6d67f89fdea88901e56220b9002313f32f93a327f3370db38bd0a73b9bbb8665

SHA512
de207fb2ce27610d69eafe8e5375e71cf011333d0993e7804f847e0b5334bee8a607931e49d3920e6c28c574b5e92c021a56ab7dfd770979080111d93c24f849

Download Submit
memory/1104-70-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/1104-72-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/1104-92-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/1104-71-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/1104-69-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/1500-85-0x0000000000030000-0x0000000000036000-memory.dmp

Filesize
24KB

Download
memory/1500-83-0x0000000000030000-0x0000000000036000-memory.dmp

Filesize
24KB

Download
memory/1500-82-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1500-87-0x0000000000030000-0x0000000000036000-memory.dmp

Filesize
24KB

Download
memory/2028-79-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2028-55-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2028-88-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2028-89-0x0000000000240000-0x000000000024D000-memory.dmp

Filesize
52KB

Download
memory/2028-56-0x0000000000240000-0x00000000002B9000-memory.dmp

Filesize
484KB

Download
memory/2028-54-0x0000000076AE1000-0x0000000076AE3000-memory.dmp

Filesize
8KB

Download