gh0strat | a5660848d151618aee871c98262fa0939db55d448435a6107eae1bbb60848e68

Analysis

max time kernel
176s
max time network
189s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
03/10/2022, 09:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a5660848d151618aee871c98262fa0939db55d448435a6107eae1bbb60848e68.exe
Size

375KB
MD5

8d658de6800b1d4ea61bbabaf9eeb9c2
SHA1

5e2951aec8ac285d89e1e303dc26d1d5d2deb893
SHA256

a5660848d151618aee871c98262fa0939db55d448435a6107eae1bbb60848e68
SHA512

140abab0d757ce8b5bd9ff3dc5d8c91e1297c2fe166295fbf0a229af8a6f6f9ed5e94f38081ee21ea34169ed8c677e7413b4f836c4d62a3f57c3d1fc6a4b1e3e
SSDEEP

6144:9v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:94VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2668-169-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2668-170-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2668-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4680-254-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5104-296-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5104-302-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1232-355-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1232-358-0x0000000010000000-0x0000000010362000-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 3 IoCs

pid	Process
4680	SQLSerasi.exe
5104	SQLSerasi.exe
1232	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2668-165-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2668-169-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2668-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2668-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4680-254-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5104-296-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5104-302-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1232-355-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1232-358-0x0000000010000000-0x0000000010362000-memory.dmp	upx

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	SQLSerasi.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	SQLSerasi.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	SQLSerasi.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	SQLSerasi.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	SQLSerasi.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	a5660848d151618aee871c98262fa0939db55d448435a6107eae1bbb60848e68.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	a5660848d151618aee871c98262fa0939db55d448435a6107eae1bbb60848e68.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 5 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\1	SQLSerasi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	SQLSerasi.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	SQLSerasi.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	SQLSerasi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	SQLSerasi.exe

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	SQLSerasi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2668	a5660848d151618aee871c98262fa0939db55d448435a6107eae1bbb60848e68.exe
Token: SeDebugPrivilege	4680	SQLSerasi.exe
Token: SeDebugPrivilege	5104	SQLSerasi.exe
Token: SeDebugPrivilege	5104	SQLSerasi.exe
Token: SeDebugPrivilege	1232	SQLSerasi.exe
Token: SeDebugPrivilege	1232	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 4680	2668	a5660848d151618aee871c98262fa0939db55d448435a6107eae1bbb60848e68.exe	66
PID 2668 wrote to memory of 4680	2668	a5660848d151618aee871c98262fa0939db55d448435a6107eae1bbb60848e68.exe	66
PID 2668 wrote to memory of 4680	2668	a5660848d151618aee871c98262fa0939db55d448435a6107eae1bbb60848e68.exe	66
PID 5104 wrote to memory of 1232	5104	SQLSerasi.exe	68
PID 5104 wrote to memory of 1232	5104	SQLSerasi.exe	68
PID 5104 wrote to memory of 1232	5104	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\a5660848d151618aee871c98262fa0939db55d448435a6107eae1bbb60848e68.exe
"C:\Users\Admin\AppData\Local\Temp\a5660848d151618aee871c98262fa0939db55d448435a6107eae1bbb60848e68.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
  "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4680

C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
"C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5104
- C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
  "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1232

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
346d738843ba07706d1381f0da55992e

SHA1
e7d754f2d907ff58fb95208613d65c12e3aa3492

SHA256
d5f5b7bd74e933442627554d3718254d7a22647a0b925f5eb1d331efc438a4b0

SHA512
50038a95bed29decd849e68776bc06f7aa87b4d865266ce44d3efe1931be0d477fb4d48968cce10c4f77eb577fa9a6afcb1f306097021c55c0f8fb8c9b3b51a2

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
346d738843ba07706d1381f0da55992e

SHA1
e7d754f2d907ff58fb95208613d65c12e3aa3492

SHA256
d5f5b7bd74e933442627554d3718254d7a22647a0b925f5eb1d331efc438a4b0

SHA512
50038a95bed29decd849e68776bc06f7aa87b4d865266ce44d3efe1931be0d477fb4d48968cce10c4f77eb577fa9a6afcb1f306097021c55c0f8fb8c9b3b51a2

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
346d738843ba07706d1381f0da55992e

SHA1
e7d754f2d907ff58fb95208613d65c12e3aa3492

SHA256
d5f5b7bd74e933442627554d3718254d7a22647a0b925f5eb1d331efc438a4b0

SHA512
50038a95bed29decd849e68776bc06f7aa87b4d865266ce44d3efe1931be0d477fb4d48968cce10c4f77eb577fa9a6afcb1f306097021c55c0f8fb8c9b3b51a2

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
346d738843ba07706d1381f0da55992e

SHA1
e7d754f2d907ff58fb95208613d65c12e3aa3492

SHA256
d5f5b7bd74e933442627554d3718254d7a22647a0b925f5eb1d331efc438a4b0

SHA512
50038a95bed29decd849e68776bc06f7aa87b4d865266ce44d3efe1931be0d477fb4d48968cce10c4f77eb577fa9a6afcb1f306097021c55c0f8fb8c9b3b51a2

Download Submit
memory/1232-358-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1232-357-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1232-355-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2668-148-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-150-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-120-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-121-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2668-122-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-123-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-124-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-125-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-126-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-127-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-128-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-129-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-130-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-131-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-132-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-134-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-133-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-136-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-135-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-137-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-138-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-139-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-140-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-141-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-142-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-143-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-144-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-145-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-147-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-146-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-118-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-149-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-154-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-152-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-119-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-153-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-171-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-156-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-157-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-158-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-159-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-160-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-161-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-162-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-164-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-165-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2668-163-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-169-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2668-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2668-151-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-172-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-168-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-155-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-173-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2668-175-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-176-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-177-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-178-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-179-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-180-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-187-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2668-115-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-116-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-117-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4680-298-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4680-254-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5104-296-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5104-302-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5104-356-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download