gh0strat | e6385b5852258fc227880a159f40450860c16e550ee81ff745447d24d8c1e5ac

Analysis

max time kernel
141s
max time network
135s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
15/09/2022, 14:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e6385b5852258fc227880a159f40450860c16e550ee81ff745447d24d8c1e5ac.exe
Size

375KB
MD5

438d6f0fb55d4d9809d9d21eb3682284
SHA1

e7375ef8b8f029e345ab1cbd0d7a9715eefb5a56
SHA256

e6385b5852258fc227880a159f40450860c16e550ee81ff745447d24d8c1e5ac
SHA512

7d159e690176250ba06602bf6e4138f4b0380de0795f51864addd656dcbaf0b98b363d8580f5f544de0d690d64c91063ad4c0a00d8f278f8f19c56d079e38d8c
SSDEEP

6144:Kv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:K4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2244-170-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2244-171-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2244-173-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2244-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1244-246-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4264-299-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3044-359-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4264-369-0x0000000010000000-0x0000000010362000-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
1244	SQLSerasi.exe
4264	SQLSerasi.exe
3044	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2244-166-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2244-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2244-171-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2244-173-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2244-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1244-246-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4264-299-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3044-359-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4264-369-0x0000000010000000-0x0000000010362000-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\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
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	SQLSerasi.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	e6385b5852258fc227880a159f40450860c16e550ee81ff745447d24d8c1e5ac.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	e6385b5852258fc227880a159f40450860c16e550ee81ff745447d24d8c1e5ac.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
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	2244	e6385b5852258fc227880a159f40450860c16e550ee81ff745447d24d8c1e5ac.exe
Token: SeDebugPrivilege	1244	SQLSerasi.exe
Token: SeDebugPrivilege	4264	SQLSerasi.exe
Token: SeDebugPrivilege	4264	SQLSerasi.exe
Token: SeDebugPrivilege	3044	SQLSerasi.exe
Token: SeDebugPrivilege	3044	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 1244	2244	e6385b5852258fc227880a159f40450860c16e550ee81ff745447d24d8c1e5ac.exe	67
PID 2244 wrote to memory of 1244	2244	e6385b5852258fc227880a159f40450860c16e550ee81ff745447d24d8c1e5ac.exe	67
PID 2244 wrote to memory of 1244	2244	e6385b5852258fc227880a159f40450860c16e550ee81ff745447d24d8c1e5ac.exe	67
PID 4264 wrote to memory of 3044	4264	SQLSerasi.exe	69
PID 4264 wrote to memory of 3044	4264	SQLSerasi.exe	69
PID 4264 wrote to memory of 3044	4264	SQLSerasi.exe	69

C:\Users\Admin\AppData\Local\Temp\e6385b5852258fc227880a159f40450860c16e550ee81ff745447d24d8c1e5ac.exe
"C:\Users\Admin\AppData\Local\Temp\e6385b5852258fc227880a159f40450860c16e550ee81ff745447d24d8c1e5ac.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244
- 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:1244

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:4264
- 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:3044

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
ef88986a8c3fc6954894df0828046e88

SHA1
1085ec4bfc8cbfd5532a76848b265ff3adc3a394

SHA256
27538dba250073d08e747d71c00e5271ae8a60493d6961e46828f688dde6ce32

SHA512
e93a2e158622dd14e2bd6ecd0e5f7fe13f6e169782338f2f60d47c1410c44710a1d0399c0bee09a9fdab0a0ffaaa3eeb4f7601c6778b4369505432cbd3452248

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

Filesize
39.4MB

MD5
ef88986a8c3fc6954894df0828046e88

SHA1
1085ec4bfc8cbfd5532a76848b265ff3adc3a394

SHA256
27538dba250073d08e747d71c00e5271ae8a60493d6961e46828f688dde6ce32

SHA512
e93a2e158622dd14e2bd6ecd0e5f7fe13f6e169782338f2f60d47c1410c44710a1d0399c0bee09a9fdab0a0ffaaa3eeb4f7601c6778b4369505432cbd3452248

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

Filesize
39.4MB

MD5
ef88986a8c3fc6954894df0828046e88

SHA1
1085ec4bfc8cbfd5532a76848b265ff3adc3a394

SHA256
27538dba250073d08e747d71c00e5271ae8a60493d6961e46828f688dde6ce32

SHA512
e93a2e158622dd14e2bd6ecd0e5f7fe13f6e169782338f2f60d47c1410c44710a1d0399c0bee09a9fdab0a0ffaaa3eeb4f7601c6778b4369505432cbd3452248

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

Filesize
39.4MB

MD5
ef88986a8c3fc6954894df0828046e88

SHA1
1085ec4bfc8cbfd5532a76848b265ff3adc3a394

SHA256
27538dba250073d08e747d71c00e5271ae8a60493d6961e46828f688dde6ce32

SHA512
e93a2e158622dd14e2bd6ecd0e5f7fe13f6e169782338f2f60d47c1410c44710a1d0399c0bee09a9fdab0a0ffaaa3eeb4f7601c6778b4369505432cbd3452248

Download Submit
memory/1244-246-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1244-301-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2244-149-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-155-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-120-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-121-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-122-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-124-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-125-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-126-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-152-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-128-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-123-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2244-129-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-130-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-131-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-132-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-133-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-134-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-135-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-136-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-138-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-137-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-139-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-141-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-140-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-142-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-154-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-144-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-145-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-146-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-147-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-148-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-118-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-150-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-151-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-127-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-119-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-143-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-153-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-156-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-157-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-158-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-159-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-160-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-161-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-162-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-163-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-164-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-165-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-166-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2244-169-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2244-171-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2244-173-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2244-172-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2244-175-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-176-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-177-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-178-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-179-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-180-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-181-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-182-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-188-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2244-116-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/2244-117-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3044-352-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3044-359-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4264-299-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4264-298-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4264-369-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download