gh0strat | 94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820

Analysis

max time kernel
105s
max time network
161s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 14:25

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General

Target

94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe
Size

260KB
MD5

f6b8e4a247419cc3e1140aa2425da807
SHA1

6226137611b7d4bf2291306d48fa2ff0624c4c29
SHA256

94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820
SHA512

c9dcadf4124f3f34d1160f0aff5883fe864a9d4ffbc8478319cbb12f16925407320937182723d3d0e6f96169f736d693e20f2716bd8d7bf7f56b11a8ba0f2b1a
SSDEEP

6144:4nMgeMOhhVH0pwpMFKj9qGvqFEoXnuUEF9GCpiQqpDb4J:8MgeMO7VH0ppFKj/iLX/itC8

Score

10^/10

gh0strat bootkit persistence rat

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/1104-55-0x0000000000400000-0x0000000000479000-memory.dmp	family_gh0strat
behavioral1/files/0x00090000000139f7-64.dat	family_gh0strat
behavioral1/files/0x00090000000139f7-68.dat	family_gh0strat
behavioral1/files/0x00090000000139f7-67.dat	family_gh0strat
behavioral1/files/0x00090000000139f7-66.dat	family_gh0strat
behavioral1/files/0x00090000000139f7-65.dat	family_gh0strat
behavioral1/memory/1120-71-0x0000000020000000-0x0000000020027000-memory.dmp	family_gh0strat
behavioral1/memory/1104-85-0x0000000000400000-0x0000000000479000-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
1120	qiuqiu.exe
2028	qiuqiu.exe

Deletes itself 1 IoCs

pid	Process
1748	cmd.exe

Loads dropped DLL 11 IoCs

pid	Process
1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe
1120	qiuqiu.exe
1120	qiuqiu.exe
1120	qiuqiu.exe
1120	qiuqiu.exe
1120	qiuqiu.exe
1120	qiuqiu.exe
1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe
2028	qiuqiu.exe
2028	qiuqiu.exe
2028	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 5 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\qiuqiu.bat	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe
File created	C:\Program Files\Common Files\maomao.dll	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe
File created	C:\Program Files\Common Files\qiuqiu.dll	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe
File created	C:\Program Files\Common Files\qiuqiu.exe	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe
File opened for modification	C:\Program Files\Common Files\qiuqiu.exe	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.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	qiuqiu.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	qiuqiu.exe

Modifies registry class 3 IoCs

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1120	qiuqiu.exe
1120	qiuqiu.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 1120	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	27
PID 1104 wrote to memory of 1120	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	27
PID 1104 wrote to memory of 1120	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	27
PID 1104 wrote to memory of 1120	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	27
PID 1104 wrote to memory of 1120	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	27
PID 1104 wrote to memory of 1120	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	27
PID 1104 wrote to memory of 1120	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	27
PID 1104 wrote to memory of 2028	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	28
PID 1104 wrote to memory of 2028	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	28
PID 1104 wrote to memory of 2028	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	28
PID 1104 wrote to memory of 2028	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	28
PID 1104 wrote to memory of 2028	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	28
PID 1104 wrote to memory of 2028	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	28
PID 1104 wrote to memory of 2028	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	28
PID 2028 wrote to memory of 908	2028	qiuqiu.exe	29
PID 2028 wrote to memory of 908	2028	qiuqiu.exe	29
PID 2028 wrote to memory of 908	2028	qiuqiu.exe	29
PID 2028 wrote to memory of 908	2028	qiuqiu.exe	29
PID 2028 wrote to memory of 908	2028	qiuqiu.exe	29
PID 2028 wrote to memory of 908	2028	qiuqiu.exe	29
PID 2028 wrote to memory of 908	2028	qiuqiu.exe	29
PID 1104 wrote to memory of 1748	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	31
PID 1104 wrote to memory of 1748	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	31
PID 1104 wrote to memory of 1748	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	31
PID 1104 wrote to memory of 1748	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	31
PID 1104 wrote to memory of 1748	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	31
PID 1104 wrote to memory of 1748	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	31
PID 1104 wrote to memory of 1748	1104	94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe	31

C:\Users\Admin\AppData\Local\Temp\94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe
"C:\Users\Admin\AppData\Local\Temp\94cacf915e73b6253d9374a41f5b6264112e0fd63203daeb67222aa002bb6820.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1104
- 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:1120
- 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:2028
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del C:\DOCUME~1\qiuqiu.exe
    3⤵
    PID:908
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del C:\Users\Admin\AppData\Local\Temp\94CACF~1.EXE
  2⤵
  - Deletes itself
  PID:1748

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
9507db120ea31e3af076c4a9e61ea8c1

SHA1
b68f537b33054bd7f3b245904705caa160f6e37b

SHA256
d837bd7890a0736cbe2e843f27e83cf64414dfc3bed4046092397f3ddde6cf88

SHA512
af3d5ea4b5da70ca79b69cd559ca1ccb91f495be898f1adaf7f2bc208a5934eb6d260f3ef4d43a4aea06cba1ab47261f56fc6976640967e2c7e7068cc2f8494d

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

Filesize
24.1MB

MD5
beea43055ae80eef49ed7079968f8814

SHA1
179c1d0b4547e3e18ee13c3e758b660114a9b775

SHA256
23a871f5624e3fc71b48f78be368b28b5f42aa13b140ab75713b15df6a80f62b

SHA512
395c48c4f029ce8998af2e597e455bf8eeed95b439b182bbc4665b924851f3b6360feb4ac2a177757052b7e53135889e45f3d462d79b216c5eb46a1aa95390be

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
9507db120ea31e3af076c4a9e61ea8c1

SHA1
b68f537b33054bd7f3b245904705caa160f6e37b

SHA256
d837bd7890a0736cbe2e843f27e83cf64414dfc3bed4046092397f3ddde6cf88

SHA512
af3d5ea4b5da70ca79b69cd559ca1ccb91f495be898f1adaf7f2bc208a5934eb6d260f3ef4d43a4aea06cba1ab47261f56fc6976640967e2c7e7068cc2f8494d

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

Filesize
24.1MB

MD5
beea43055ae80eef49ed7079968f8814

SHA1
179c1d0b4547e3e18ee13c3e758b660114a9b775

SHA256
23a871f5624e3fc71b48f78be368b28b5f42aa13b140ab75713b15df6a80f62b

SHA512
395c48c4f029ce8998af2e597e455bf8eeed95b439b182bbc4665b924851f3b6360feb4ac2a177757052b7e53135889e45f3d462d79b216c5eb46a1aa95390be

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

Filesize
24.1MB

MD5
beea43055ae80eef49ed7079968f8814

SHA1
179c1d0b4547e3e18ee13c3e758b660114a9b775

SHA256
23a871f5624e3fc71b48f78be368b28b5f42aa13b140ab75713b15df6a80f62b

SHA512
395c48c4f029ce8998af2e597e455bf8eeed95b439b182bbc4665b924851f3b6360feb4ac2a177757052b7e53135889e45f3d462d79b216c5eb46a1aa95390be

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

Filesize
24.1MB

MD5
beea43055ae80eef49ed7079968f8814

SHA1
179c1d0b4547e3e18ee13c3e758b660114a9b775

SHA256
23a871f5624e3fc71b48f78be368b28b5f42aa13b140ab75713b15df6a80f62b

SHA512
395c48c4f029ce8998af2e597e455bf8eeed95b439b182bbc4665b924851f3b6360feb4ac2a177757052b7e53135889e45f3d462d79b216c5eb46a1aa95390be

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

Filesize
24.1MB

MD5
beea43055ae80eef49ed7079968f8814

SHA1
179c1d0b4547e3e18ee13c3e758b660114a9b775

SHA256
23a871f5624e3fc71b48f78be368b28b5f42aa13b140ab75713b15df6a80f62b

SHA512
395c48c4f029ce8998af2e597e455bf8eeed95b439b182bbc4665b924851f3b6360feb4ac2a177757052b7e53135889e45f3d462d79b216c5eb46a1aa95390be

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
9507db120ea31e3af076c4a9e61ea8c1

SHA1
b68f537b33054bd7f3b245904705caa160f6e37b

SHA256
d837bd7890a0736cbe2e843f27e83cf64414dfc3bed4046092397f3ddde6cf88

SHA512
af3d5ea4b5da70ca79b69cd559ca1ccb91f495be898f1adaf7f2bc208a5934eb6d260f3ef4d43a4aea06cba1ab47261f56fc6976640967e2c7e7068cc2f8494d

Download Submit
\Users\qiuqiu.exe

Filesize
24.0MB

MD5
9507db120ea31e3af076c4a9e61ea8c1

SHA1
b68f537b33054bd7f3b245904705caa160f6e37b

SHA256
d837bd7890a0736cbe2e843f27e83cf64414dfc3bed4046092397f3ddde6cf88

SHA512
af3d5ea4b5da70ca79b69cd559ca1ccb91f495be898f1adaf7f2bc208a5934eb6d260f3ef4d43a4aea06cba1ab47261f56fc6976640967e2c7e7068cc2f8494d

Download Submit
\Users\qiuqiu.exe

Filesize
24.0MB

MD5
9507db120ea31e3af076c4a9e61ea8c1

SHA1
b68f537b33054bd7f3b245904705caa160f6e37b

SHA256
d837bd7890a0736cbe2e843f27e83cf64414dfc3bed4046092397f3ddde6cf88

SHA512
af3d5ea4b5da70ca79b69cd559ca1ccb91f495be898f1adaf7f2bc208a5934eb6d260f3ef4d43a4aea06cba1ab47261f56fc6976640967e2c7e7068cc2f8494d

Download Submit
\Users\qiuqiu.exe

Filesize
24.0MB

MD5
9507db120ea31e3af076c4a9e61ea8c1

SHA1
b68f537b33054bd7f3b245904705caa160f6e37b

SHA256
d837bd7890a0736cbe2e843f27e83cf64414dfc3bed4046092397f3ddde6cf88

SHA512
af3d5ea4b5da70ca79b69cd559ca1ccb91f495be898f1adaf7f2bc208a5934eb6d260f3ef4d43a4aea06cba1ab47261f56fc6976640967e2c7e7068cc2f8494d

Download Submit
memory/1104-54-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

Download
memory/1104-56-0x0000000000240000-0x00000000002B9000-memory.dmp

Filesize
484KB

Download
memory/1104-72-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/1104-86-0x0000000000240000-0x000000000024D000-memory.dmp

Filesize
52KB

Download
memory/1104-85-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1104-55-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1120-71-0x0000000020000000-0x0000000020027000-memory.dmp

Filesize
156KB

Download
memory/2028-80-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/2028-82-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/2028-79-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download