gh0strat | 03cf8408d0f019e39bab7044c7fd6ac50e3a1842827f847659d47268cab2e49d

Analysis

max time kernel
149s
max time network
141s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
11/10/2022, 14:24

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General

Target

03cf8408d0f019e39bab7044c7fd6ac50e3a1842827f847659d47268cab2e49d.exe
Size

375KB
MD5

452b57aab1062b84d1a9b2ae01498cb0
SHA1

2288573ff3470551551813cf047a5d34099963ab
SHA256

03cf8408d0f019e39bab7044c7fd6ac50e3a1842827f847659d47268cab2e49d
SHA512

cdf733866bb29555cb0d3f6e6bc29e7e12449c9bf2e65b96bc08290c030ec28937915bf9b350b4d5643cda1584b37797cb417d6640fb172f63bdf155b576ee35
SSDEEP

6144:5v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:54VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/3048-171-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3048-172-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3048-173-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3048-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2452-245-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/64-299-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/64-302-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4200-358-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4200-371-0x0000000010000000-0x0000000010362000-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
2452	SQLSerasi.exe
64	SQLSerasi.exe
4200	SQLSerasi.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3048-167-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3048-171-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3048-172-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3048-173-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3048-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2452-245-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/64-299-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/64-302-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4200-358-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4200-371-0x0000000010000000-0x0000000010362000-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\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
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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	03cf8408d0f019e39bab7044c7fd6ac50e3a1842827f847659d47268cab2e49d.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	03cf8408d0f019e39bab7044c7fd6ac50e3a1842827f847659d47268cab2e49d.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
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
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

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	03cf8408d0f019e39bab7044c7fd6ac50e3a1842827f847659d47268cab2e49d.exe
Token: SeDebugPrivilege	2452	SQLSerasi.exe
Token: SeDebugPrivilege	64	SQLSerasi.exe
Token: SeDebugPrivilege	64	SQLSerasi.exe
Token: SeDebugPrivilege	4200	SQLSerasi.exe
Token: SeDebugPrivilege	4200	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2452	3048	03cf8408d0f019e39bab7044c7fd6ac50e3a1842827f847659d47268cab2e49d.exe	66
PID 3048 wrote to memory of 2452	3048	03cf8408d0f019e39bab7044c7fd6ac50e3a1842827f847659d47268cab2e49d.exe	66
PID 3048 wrote to memory of 2452	3048	03cf8408d0f019e39bab7044c7fd6ac50e3a1842827f847659d47268cab2e49d.exe	66
PID 64 wrote to memory of 4200	64	SQLSerasi.exe	68
PID 64 wrote to memory of 4200	64	SQLSerasi.exe	68
PID 64 wrote to memory of 4200	64	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\03cf8408d0f019e39bab7044c7fd6ac50e3a1842827f847659d47268cab2e49d.exe
"C:\Users\Admin\AppData\Local\Temp\03cf8408d0f019e39bab7044c7fd6ac50e3a1842827f847659d47268cab2e49d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048
- 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:2452

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:64
- 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:4200

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
ddb8ddc5368a579041eb9c519a8c97f6

SHA1
75047b6b1ac82ea17cec8af6133b8317527b530b

SHA256
ee8626dfb063694963881e113327e9f9a6376cd1b5a6cdc701e58a08883daf2c

SHA512
0faef48f82948807d0fe54d54988d6eaec4687228937a0ebee7cfbf0487faccd38a4dc799e9e8af0e839191669885debe00f38b9387a7a17be895e21d626c3ad

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

Filesize
39.4MB

MD5
ddb8ddc5368a579041eb9c519a8c97f6

SHA1
75047b6b1ac82ea17cec8af6133b8317527b530b

SHA256
ee8626dfb063694963881e113327e9f9a6376cd1b5a6cdc701e58a08883daf2c

SHA512
0faef48f82948807d0fe54d54988d6eaec4687228937a0ebee7cfbf0487faccd38a4dc799e9e8af0e839191669885debe00f38b9387a7a17be895e21d626c3ad

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

Filesize
39.4MB

MD5
ddb8ddc5368a579041eb9c519a8c97f6

SHA1
75047b6b1ac82ea17cec8af6133b8317527b530b

SHA256
ee8626dfb063694963881e113327e9f9a6376cd1b5a6cdc701e58a08883daf2c

SHA512
0faef48f82948807d0fe54d54988d6eaec4687228937a0ebee7cfbf0487faccd38a4dc799e9e8af0e839191669885debe00f38b9387a7a17be895e21d626c3ad

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

Filesize
39.4MB

MD5
ddb8ddc5368a579041eb9c519a8c97f6

SHA1
75047b6b1ac82ea17cec8af6133b8317527b530b

SHA256
ee8626dfb063694963881e113327e9f9a6376cd1b5a6cdc701e58a08883daf2c

SHA512
0faef48f82948807d0fe54d54988d6eaec4687228937a0ebee7cfbf0487faccd38a4dc799e9e8af0e839191669885debe00f38b9387a7a17be895e21d626c3ad

Download Submit
memory/64-369-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/64-302-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/64-299-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2452-245-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2452-301-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3048-152-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-157-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-124-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3048-125-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-127-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-128-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-129-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-126-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-130-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-131-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-132-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-134-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-133-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-136-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-135-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-138-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-137-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-139-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-141-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-140-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-142-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-143-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-144-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-145-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-146-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-147-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-148-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-149-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-150-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-151-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-122-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-153-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-154-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-155-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-156-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-123-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-159-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-158-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-160-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-161-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-162-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-163-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-164-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-165-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-166-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-167-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3048-170-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-171-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3048-172-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3048-173-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3048-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3048-174-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-176-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-177-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-178-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-179-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-180-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-181-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-121-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-120-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-119-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-182-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-183-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-189-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3048-117-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-118-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/4200-358-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4200-370-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4200-371-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download