gh0strat | d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426

General

Target

d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426.exe
Size

375KB
MD5

01f50394af09a978e0818b1c12e0cd64
SHA1

21162ef465817c3903995300aa370bad481d55a1
SHA256

d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426
SHA512

bf609ee2ef3948b50128f7a41b577e92c35bb2ccd1c8338294dbda68c325534d3667ee660dbf2c3e85519f3e59229e88ea0a0be751324609a64f0c9455793ea2
SSDEEP

6144:ev5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:e4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 11 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3516-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3516-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3516-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3516-139-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4924-150-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2416-155-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2416-156-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2416-159-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2416-160-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3972-177-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3972-178-0x0000000010000000-0x0000000010362000-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 4 IoCs

Processes:

SQLSerasi.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

pid process

4924 SQLSerasi.exe
2416 SQLSerasi.exe
3972 SQLSerasi.exe
3508 SQLSerasi.exe

pid	process
4924	SQLSerasi.exe
2416	SQLSerasi.exe
3972	SQLSerasi.exe
3508	SQLSerasi.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/3516-133-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3516-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3516-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3516-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3516-139-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4924-150-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2416-152-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2416-155-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2416-156-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2416-159-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2416-160-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3972-177-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3972-178-0x0000000010000000-0x0000000010362000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426.exe

Drops file in System32 directory 4 IoCs

Processes:

SQLSerasi.exe

description	ioc	process
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

Processes:

d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426.exe
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1060 2416 WerFault.exe SQLSerasi.exe

pid	pid_target	process	target process
1060	2416	WerFault.exe	SQLSerasi.exe

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

Processes:

SQLSerasi.exe

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

Processes:

SQLSerasi.exe

description	ioc	process
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
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

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

description	pid	process
Token: SeDebugPrivilege	3516	d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426.exe
Token: SeDebugPrivilege	4924	SQLSerasi.exe
Token: SeDebugPrivilege	2416	SQLSerasi.exe
Token: SeDebugPrivilege	2416	SQLSerasi.exe
Token: SeDebugPrivilege	2416	SQLSerasi.exe
Token: SeDebugPrivilege	3972	SQLSerasi.exe
Token: SeDebugPrivilege	3508	SQLSerasi.exe
Token: SeDebugPrivilege	3972	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426.exeSQLSerasi.exe

description	pid	process	target process
PID 3516 wrote to memory of 4924	3516	d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426.exe	SQLSerasi.exe
PID 3516 wrote to memory of 4924	3516	d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426.exe	SQLSerasi.exe
PID 3516 wrote to memory of 4924	3516	d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426.exe	SQLSerasi.exe
PID 2416 wrote to memory of 3972	2416	SQLSerasi.exe	SQLSerasi.exe
PID 2416 wrote to memory of 3972	2416	SQLSerasi.exe	SQLSerasi.exe
PID 2416 wrote to memory of 3972	2416	SQLSerasi.exe	SQLSerasi.exe
PID 2416 wrote to memory of 3508	2416	SQLSerasi.exe	SQLSerasi.exe
PID 2416 wrote to memory of 3508	2416	SQLSerasi.exe	SQLSerasi.exe
PID 2416 wrote to memory of 3508	2416	SQLSerasi.exe	SQLSerasi.exe

C:\Users\Admin\AppData\Local\Temp\d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426.exe
"C:\Users\Admin\AppData\Local\Temp\d986ef8283fda24f7bc5677e21048a058b85838948ec3b6d17d3ec32d9ba4426.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3516

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:4924

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:2416

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:3972

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:3508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 576
2⤵
- Program crash
PID:1060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2416 -ip 2416
1⤵
PID:1312

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
Filesize
39.4MB

MD5
10f1046cc9504934ef6d634cdbaaadb3

SHA1
ebaf5b0edd75a02497134d17cfd38623b59d5bd1

SHA256
6166299a7e4bc1a4f64bc94adde640e906565e0f0c31109942f7aa098fde4f32

SHA512
334b949ee72f34b5fb268ee577837894a7e5cc7071ab339037125b7b72f7d6e4db624e9d3a6745eae9d403b97bc93c43368d67762ee04aa492623ce34288ec7d

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
Filesize
39.4MB

MD5
10f1046cc9504934ef6d634cdbaaadb3

SHA1
ebaf5b0edd75a02497134d17cfd38623b59d5bd1

SHA256
6166299a7e4bc1a4f64bc94adde640e906565e0f0c31109942f7aa098fde4f32

SHA512
334b949ee72f34b5fb268ee577837894a7e5cc7071ab339037125b7b72f7d6e4db624e9d3a6745eae9d403b97bc93c43368d67762ee04aa492623ce34288ec7d

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
Filesize
39.4MB

MD5
10f1046cc9504934ef6d634cdbaaadb3

SHA1
ebaf5b0edd75a02497134d17cfd38623b59d5bd1

SHA256
6166299a7e4bc1a4f64bc94adde640e906565e0f0c31109942f7aa098fde4f32

SHA512
334b949ee72f34b5fb268ee577837894a7e5cc7071ab339037125b7b72f7d6e4db624e9d3a6745eae9d403b97bc93c43368d67762ee04aa492623ce34288ec7d

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
Filesize
39.4MB

MD5
10f1046cc9504934ef6d634cdbaaadb3

SHA1
ebaf5b0edd75a02497134d17cfd38623b59d5bd1

SHA256
6166299a7e4bc1a4f64bc94adde640e906565e0f0c31109942f7aa098fde4f32

SHA512
334b949ee72f34b5fb268ee577837894a7e5cc7071ab339037125b7b72f7d6e4db624e9d3a6745eae9d403b97bc93c43368d67762ee04aa492623ce34288ec7d

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
Filesize
39.4MB

MD5
10f1046cc9504934ef6d634cdbaaadb3

SHA1
ebaf5b0edd75a02497134d17cfd38623b59d5bd1

SHA256
6166299a7e4bc1a4f64bc94adde640e906565e0f0c31109942f7aa098fde4f32

SHA512
334b949ee72f34b5fb268ee577837894a7e5cc7071ab339037125b7b72f7d6e4db624e9d3a6745eae9d403b97bc93c43368d67762ee04aa492623ce34288ec7d

Download Submit
memory/2416-152-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2416-160-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2416-157-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2416-159-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2416-156-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2416-155-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3508-176-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3508-162-0x0000000000000000-mapping.dmp

Download
memory/3516-148-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3516-133-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3516-139-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3516-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3516-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3516-132-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3516-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3972-161-0x0000000000000000-mapping.dmp

Download
memory/3972-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3972-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3972-178-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4924-149-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4924-158-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4924-140-0x0000000000000000-mapping.dmp

Download
memory/4924-150-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads