gh0strat | 7bcc7500fdad9ce121c2059f536a67592698e1037315fb4d685fccd41bc6c760

Analysis

max time kernel
146s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
08-10-2022 22:36

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General

Target

7bcc7500fdad9ce121c2059f536a67592698e1037315fb4d685fccd41bc6c760.exe
Size

375KB
MD5

3890f83a871e63547e2afef374ec0664
SHA1

ede3977fdfd11792c03bb3148fe80552415776e0
SHA256

7bcc7500fdad9ce121c2059f536a67592698e1037315fb4d685fccd41bc6c760
SHA512

f6867d31a9ae99425ac3f5deb5afe61f4e442e99b5c4e4a00fd0fa05dd52f7dd9ca2931ca35e76d460c59502db365dada10ee9a8ae3bbe7aabc2182afce214dc
SSDEEP

6144:1v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:14VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2896-170-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2896-171-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2896-172-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2896-173-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3460-259-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3704-301-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5108-355-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5108-358-0x0000000010000000-0x0000000010362000-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
3460	SQLSerasi.exe
3704	SQLSerasi.exe
5108	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2896-166-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2896-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2896-171-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2896-172-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2896-173-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3460-259-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3704-301-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5108-355-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5108-358-0x0000000010000000-0x0000000010362000-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\INetCookies	SQLSerasi.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	SQLSerasi.exe
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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	7bcc7500fdad9ce121c2059f536a67592698e1037315fb4d685fccd41bc6c760.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	7bcc7500fdad9ce121c2059f536a67592698e1037315fb4d685fccd41bc6c760.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\0	SQLSerasi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	SQLSerasi.exe
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

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
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
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

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2896	7bcc7500fdad9ce121c2059f536a67592698e1037315fb4d685fccd41bc6c760.exe
Token: SeDebugPrivilege	3460	SQLSerasi.exe
Token: SeDebugPrivilege	3704	SQLSerasi.exe
Token: SeDebugPrivilege	3704	SQLSerasi.exe
Token: SeDebugPrivilege	5108	SQLSerasi.exe
Token: SeDebugPrivilege	5108	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 3460	2896	7bcc7500fdad9ce121c2059f536a67592698e1037315fb4d685fccd41bc6c760.exe	67
PID 2896 wrote to memory of 3460	2896	7bcc7500fdad9ce121c2059f536a67592698e1037315fb4d685fccd41bc6c760.exe	67
PID 2896 wrote to memory of 3460	2896	7bcc7500fdad9ce121c2059f536a67592698e1037315fb4d685fccd41bc6c760.exe	67
PID 3704 wrote to memory of 5108	3704	SQLSerasi.exe	69
PID 3704 wrote to memory of 5108	3704	SQLSerasi.exe	69
PID 3704 wrote to memory of 5108	3704	SQLSerasi.exe	69

C:\Users\Admin\AppData\Local\Temp\7bcc7500fdad9ce121c2059f536a67592698e1037315fb4d685fccd41bc6c760.exe
"C:\Users\Admin\AppData\Local\Temp\7bcc7500fdad9ce121c2059f536a67592698e1037315fb4d685fccd41bc6c760.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2896
- 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:3460

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:3704
- 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:5108

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

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Downloads

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

Filesize
39.4MB

MD5
58b089d1995ea669969ce15928c0e215

SHA1
4bc008401aa400cd76b90e01d9a0d5c8dadde88c

SHA256
343dc09c4e01d6ffa2bdaf8383167b7fb607b28afbb30162a82a874b46a17b3d

SHA512
4fbf61eca57de67624d50b594ae3fc49d019c5a8a5570d44fb7bf3200e3288a165d92ed28b4cc51b982cb4297332452fbaea6079a43d34ca53ef6d0aab1945fc

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

Filesize
39.4MB

MD5
58b089d1995ea669969ce15928c0e215

SHA1
4bc008401aa400cd76b90e01d9a0d5c8dadde88c

SHA256
343dc09c4e01d6ffa2bdaf8383167b7fb607b28afbb30162a82a874b46a17b3d

SHA512
4fbf61eca57de67624d50b594ae3fc49d019c5a8a5570d44fb7bf3200e3288a165d92ed28b4cc51b982cb4297332452fbaea6079a43d34ca53ef6d0aab1945fc

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

Filesize
39.4MB

MD5
58b089d1995ea669969ce15928c0e215

SHA1
4bc008401aa400cd76b90e01d9a0d5c8dadde88c

SHA256
343dc09c4e01d6ffa2bdaf8383167b7fb607b28afbb30162a82a874b46a17b3d

SHA512
4fbf61eca57de67624d50b594ae3fc49d019c5a8a5570d44fb7bf3200e3288a165d92ed28b4cc51b982cb4297332452fbaea6079a43d34ca53ef6d0aab1945fc

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

Filesize
39.4MB

MD5
58b089d1995ea669969ce15928c0e215

SHA1
4bc008401aa400cd76b90e01d9a0d5c8dadde88c

SHA256
343dc09c4e01d6ffa2bdaf8383167b7fb607b28afbb30162a82a874b46a17b3d

SHA512
4fbf61eca57de67624d50b594ae3fc49d019c5a8a5570d44fb7bf3200e3288a165d92ed28b4cc51b982cb4297332452fbaea6079a43d34ca53ef6d0aab1945fc

Download Submit
memory/2896-151-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-164-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-118-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-119-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-120-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-121-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-122-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-123-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-124-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-125-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-126-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-127-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-129-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-130-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-131-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-153-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-128-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2896-133-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-134-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-135-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-136-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-137-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-138-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-139-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-141-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-142-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-140-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-143-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-144-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-146-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-145-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-147-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-148-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-149-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-116-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-152-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-132-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-154-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-117-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-155-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-156-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-157-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-158-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-159-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-160-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-161-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-162-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-163-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-165-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-150-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-166-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2896-169-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2896-171-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2896-172-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2896-173-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2896-174-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-175-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-176-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-177-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-178-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-179-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-180-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-181-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-182-0x00000000779D0000-0x0000000077B5E000-memory.dmp

Filesize
1.6MB

Download
memory/2896-189-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3460-259-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3460-300-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3704-301-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3704-368-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/5108-355-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5108-358-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5108-369-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download