gh0strat | 5d6194c095d3c8899ce6d54415c3670942306690efc3ae71cf06ee2c1f5e4cc1

Analysis

max time kernel
148s
max time network
139s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
02/10/2022, 13:48

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General

Target

5d6194c095d3c8899ce6d54415c3670942306690efc3ae71cf06ee2c1f5e4cc1.exe
Size

375KB
MD5

5a6a03bea135dd3a006342f6b8b4bd07
SHA1

8b967007a8e55488df9d985c5554a466275e284d
SHA256

5d6194c095d3c8899ce6d54415c3670942306690efc3ae71cf06ee2c1f5e4cc1
SHA512

3a127d8d787c7a8b63d5b4b5535838c2796d8eb32e3bf8eae8486177436fb81fa72605369983b404ef1d538861c1c4926b180329c2f6dc4ce81595c788d7bcc6
SSDEEP

6144:Ev5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:E4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/2796-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2796-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2796-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2796-178-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4268-247-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4268-259-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3832-302-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3832-307-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4304-362-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4304-375-0x0000000010000000-0x0000000010362000-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
4268	SQLSerasi.exe
3832	SQLSerasi.exe
4304	SQLSerasi.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2796-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2796-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2796-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2796-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2796-178-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4268-247-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4268-259-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3832-302-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3832-307-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4304-362-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4304-375-0x0000000010000000-0x0000000010362000-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	5d6194c095d3c8899ce6d54415c3670942306690efc3ae71cf06ee2c1f5e4cc1.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	5d6194c095d3c8899ce6d54415c3670942306690efc3ae71cf06ee2c1f5e4cc1.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	2796	5d6194c095d3c8899ce6d54415c3670942306690efc3ae71cf06ee2c1f5e4cc1.exe
Token: SeDebugPrivilege	4268	SQLSerasi.exe
Token: SeDebugPrivilege	3832	SQLSerasi.exe
Token: SeDebugPrivilege	3832	SQLSerasi.exe
Token: SeDebugPrivilege	4304	SQLSerasi.exe
Token: SeDebugPrivilege	4304	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 4268	2796	5d6194c095d3c8899ce6d54415c3670942306690efc3ae71cf06ee2c1f5e4cc1.exe	66
PID 2796 wrote to memory of 4268	2796	5d6194c095d3c8899ce6d54415c3670942306690efc3ae71cf06ee2c1f5e4cc1.exe	66
PID 2796 wrote to memory of 4268	2796	5d6194c095d3c8899ce6d54415c3670942306690efc3ae71cf06ee2c1f5e4cc1.exe	66
PID 3832 wrote to memory of 4304	3832	SQLSerasi.exe	68
PID 3832 wrote to memory of 4304	3832	SQLSerasi.exe	68
PID 3832 wrote to memory of 4304	3832	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\5d6194c095d3c8899ce6d54415c3670942306690efc3ae71cf06ee2c1f5e4cc1.exe
"C:\Users\Admin\AppData\Local\Temp\5d6194c095d3c8899ce6d54415c3670942306690efc3ae71cf06ee2c1f5e4cc1.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2796
- 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:4268

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:3832
- 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:4304

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
7d5b5ef1c8d14e68a90e47b5b1a4ee8e

SHA1
3466489950d6acf38719cea7aec94e75a8ef7717

SHA256
ff6ccb1b3ee244e75e79ee4602c364d78bca1abf74cb53d8e1320cc96e6bb9ad

SHA512
eb972630c281524d067dd03eee93856ee0a89c8a3491a9a11cb8bbaafe37827fb89f1a4814a5a431bd80579ab92e0708de06125cf3b317255b566f647b434e93

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

Filesize
39.4MB

MD5
7d5b5ef1c8d14e68a90e47b5b1a4ee8e

SHA1
3466489950d6acf38719cea7aec94e75a8ef7717

SHA256
ff6ccb1b3ee244e75e79ee4602c364d78bca1abf74cb53d8e1320cc96e6bb9ad

SHA512
eb972630c281524d067dd03eee93856ee0a89c8a3491a9a11cb8bbaafe37827fb89f1a4814a5a431bd80579ab92e0708de06125cf3b317255b566f647b434e93

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

Filesize
39.4MB

MD5
7d5b5ef1c8d14e68a90e47b5b1a4ee8e

SHA1
3466489950d6acf38719cea7aec94e75a8ef7717

SHA256
ff6ccb1b3ee244e75e79ee4602c364d78bca1abf74cb53d8e1320cc96e6bb9ad

SHA512
eb972630c281524d067dd03eee93856ee0a89c8a3491a9a11cb8bbaafe37827fb89f1a4814a5a431bd80579ab92e0708de06125cf3b317255b566f647b434e93

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

Filesize
39.4MB

MD5
7d5b5ef1c8d14e68a90e47b5b1a4ee8e

SHA1
3466489950d6acf38719cea7aec94e75a8ef7717

SHA256
ff6ccb1b3ee244e75e79ee4602c364d78bca1abf74cb53d8e1320cc96e6bb9ad

SHA512
eb972630c281524d067dd03eee93856ee0a89c8a3491a9a11cb8bbaafe37827fb89f1a4814a5a431bd80579ab92e0708de06125cf3b317255b566f647b434e93

Download Submit
memory/2796-157-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-152-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-123-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-124-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-125-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-126-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-127-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-128-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2796-129-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-131-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-130-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-132-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-133-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-134-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-135-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-136-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-137-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-138-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-139-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-140-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-141-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-142-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-144-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-145-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-143-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-146-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-147-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-149-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-148-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-150-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-151-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-158-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-153-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-155-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-154-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-156-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-121-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-159-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-122-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-160-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-166-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-162-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-163-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-164-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-165-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-161-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-167-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-168-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-169-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2796-173-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2796-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2796-177-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2796-178-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2796-179-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-180-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-181-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-182-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-183-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-184-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-185-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-186-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2796-193-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2796-120-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/3832-307-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3832-302-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3832-373-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4268-247-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4268-259-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4268-304-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4304-362-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4304-374-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4304-375-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download