gh0strat | 3e3a025e3edcba80303261a95619481248ba9cd00ae6319516837cdee60f1b5d

Analysis

max time kernel
147s
max time network
148s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
12/10/2022, 17:01

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General

Target

3e3a025e3edcba80303261a95619481248ba9cd00ae6319516837cdee60f1b5d.exe
Size

375KB
MD5

0c33a6453dff01445d8b9443b755ff10
SHA1

8f9916c3990e9f70920364d244fe5e7c271632d2
SHA256

3e3a025e3edcba80303261a95619481248ba9cd00ae6319516837cdee60f1b5d
SHA512

33f03d799c70a414564adc448dfc24dcff579ba5a4679ccd3c79f7f46f5a6dd2619a6641695fbf594ccbf100601521117cbe672c2c9db0fe7f9c8004559de313
SSDEEP

6144:2v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:24VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/4940-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4940-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4544-244-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4544-253-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3644-309-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2728-361-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2728-363-0x0000000010000000-0x0000000010362000-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
4544	SQLSerasi.exe
3644	SQLSerasi.exe
2728	SQLSerasi.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4940-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4940-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4940-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4544-244-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4544-253-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3644-309-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2728-361-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2728-363-0x0000000010000000-0x0000000010362000-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	3e3a025e3edcba80303261a95619481248ba9cd00ae6319516837cdee60f1b5d.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	3e3a025e3edcba80303261a95619481248ba9cd00ae6319516837cdee60f1b5d.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\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
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

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4940	3e3a025e3edcba80303261a95619481248ba9cd00ae6319516837cdee60f1b5d.exe
Token: SeDebugPrivilege	4544	SQLSerasi.exe
Token: SeDebugPrivilege	3644	SQLSerasi.exe
Token: SeDebugPrivilege	3644	SQLSerasi.exe
Token: SeDebugPrivilege	2728	SQLSerasi.exe
Token: SeDebugPrivilege	2728	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 4544	4940	3e3a025e3edcba80303261a95619481248ba9cd00ae6319516837cdee60f1b5d.exe	66
PID 4940 wrote to memory of 4544	4940	3e3a025e3edcba80303261a95619481248ba9cd00ae6319516837cdee60f1b5d.exe	66
PID 4940 wrote to memory of 4544	4940	3e3a025e3edcba80303261a95619481248ba9cd00ae6319516837cdee60f1b5d.exe	66
PID 3644 wrote to memory of 2728	3644	SQLSerasi.exe	68
PID 3644 wrote to memory of 2728	3644	SQLSerasi.exe	68
PID 3644 wrote to memory of 2728	3644	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\3e3a025e3edcba80303261a95619481248ba9cd00ae6319516837cdee60f1b5d.exe
"C:\Users\Admin\AppData\Local\Temp\3e3a025e3edcba80303261a95619481248ba9cd00ae6319516837cdee60f1b5d.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4940
- 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:4544

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:3644
- 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:2728

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
537ad8bcbb28fd7f5d4863512ed105b1

SHA1
029466024c52f821e12ccccebe83d3ad26237511

SHA256
52deafd76adcb2c8748c81042dfe05ef3787c984d2074ac2548b0faac79d344f

SHA512
73fac05469d5ca00f557fb5539c4480fafef4d6abf6e4fb7512e64f11d195822c47e0f9d2768f304bee48f6dccd95a15e6e01cc9df451c6e7cd76bcaacb08857

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

Filesize
39.4MB

MD5
537ad8bcbb28fd7f5d4863512ed105b1

SHA1
029466024c52f821e12ccccebe83d3ad26237511

SHA256
52deafd76adcb2c8748c81042dfe05ef3787c984d2074ac2548b0faac79d344f

SHA512
73fac05469d5ca00f557fb5539c4480fafef4d6abf6e4fb7512e64f11d195822c47e0f9d2768f304bee48f6dccd95a15e6e01cc9df451c6e7cd76bcaacb08857

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

Filesize
39.4MB

MD5
537ad8bcbb28fd7f5d4863512ed105b1

SHA1
029466024c52f821e12ccccebe83d3ad26237511

SHA256
52deafd76adcb2c8748c81042dfe05ef3787c984d2074ac2548b0faac79d344f

SHA512
73fac05469d5ca00f557fb5539c4480fafef4d6abf6e4fb7512e64f11d195822c47e0f9d2768f304bee48f6dccd95a15e6e01cc9df451c6e7cd76bcaacb08857

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

Filesize
39.4MB

MD5
537ad8bcbb28fd7f5d4863512ed105b1

SHA1
029466024c52f821e12ccccebe83d3ad26237511

SHA256
52deafd76adcb2c8748c81042dfe05ef3787c984d2074ac2548b0faac79d344f

SHA512
73fac05469d5ca00f557fb5539c4480fafef4d6abf6e4fb7512e64f11d195822c47e0f9d2768f304bee48f6dccd95a15e6e01cc9df451c6e7cd76bcaacb08857

Download Submit
memory/2728-361-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2728-373-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2728-363-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3644-309-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3644-372-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4544-244-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4544-242-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4544-303-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4544-253-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4940-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4940-183-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-134-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-133-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-136-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-137-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-138-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-139-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-140-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-141-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-142-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-144-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-146-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-148-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-150-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-152-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-153-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-155-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-157-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-159-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-162-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-164-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-166-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-130-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-169-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4940-177-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-176-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-178-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-181-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-184-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-131-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-182-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-180-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-190-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4940-179-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4940-173-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-168-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-167-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-165-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-163-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-161-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-160-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-158-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-156-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-154-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-151-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-149-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-147-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-145-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-143-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-135-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-129-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-128-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-127-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-126-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-125-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-124-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4940-123-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-122-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-121-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-120-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download
memory/4940-132-0x0000000077D50000-0x0000000077EDE000-memory.dmp

Filesize
1.6MB

Download