gh0strat | deeb5388c582f0e933f7e7843fd2cc3a88c23004861f68af694172c192fc10a2

General

Target

deeb5388c582f0e933f7e7843fd2cc3a88c23004861f68af694172c192fc10a2.exe
Size

375KB
MD5

5faa41171ebc355d93e41d2ea858e7de
SHA1

e61303c52b3bbcccd4b71e130db605434598b183
SHA256

deeb5388c582f0e933f7e7843fd2cc3a88c23004861f68af694172c192fc10a2
SHA512

4907929112f823ee18197d5b2d1e7cf17da213ffe39c5ee9a7c0153f04878ff618ff52a612c5f220a54ee6c52f420278449870be207be7b6b739d6b9e435d6bc
SSDEEP

6144:ov5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:o4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/544-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/544-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/544-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1932-152-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1932-153-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/908-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1932-158-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4456-174-0x0000000010000000-0x0000000010362000-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

pid	Process
908	SQLSerasi.exe
1932	SQLSerasi.exe
4456	SQLSerasi.exe
3636	SQLSerasi.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/544-133-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/544-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/544-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/544-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1932-149-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1932-152-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1932-153-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/908-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1932-158-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4456-174-0x0000000010000000-0x0000000010362000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	deeb5388c582f0e933f7e7843fd2cc3a88c23004861f68af694172c192fc10a2.exe

Drops file in System32 directory 4 IoCs

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

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	deeb5388c582f0e933f7e7843fd2cc3a88c23004861f68af694172c192fc10a2.exe
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	deeb5388c582f0e933f7e7843fd2cc3a88c23004861f68af694172c192fc10a2.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

pid	pid_target	Process	procid_target
2040	1932	WerFault.exe	82

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 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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	SQLSerasi.exe

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
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
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	544	deeb5388c582f0e933f7e7843fd2cc3a88c23004861f68af694172c192fc10a2.exe
Token: SeDebugPrivilege	908	SQLSerasi.exe
Token: SeDebugPrivilege	1932	SQLSerasi.exe
Token: SeDebugPrivilege	1932	SQLSerasi.exe
Token: SeDebugPrivilege	1932	SQLSerasi.exe
Token: SeDebugPrivilege	4456	SQLSerasi.exe
Token: SeDebugPrivilege	3636	SQLSerasi.exe
Token: SeDebugPrivilege	4456	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 908	544	deeb5388c582f0e933f7e7843fd2cc3a88c23004861f68af694172c192fc10a2.exe	81
PID 544 wrote to memory of 908	544	deeb5388c582f0e933f7e7843fd2cc3a88c23004861f68af694172c192fc10a2.exe	81
PID 544 wrote to memory of 908	544	deeb5388c582f0e933f7e7843fd2cc3a88c23004861f68af694172c192fc10a2.exe	81
PID 1932 wrote to memory of 4456	1932	SQLSerasi.exe	85
PID 1932 wrote to memory of 4456	1932	SQLSerasi.exe	85
PID 1932 wrote to memory of 4456	1932	SQLSerasi.exe	85
PID 1932 wrote to memory of 3636	1932	SQLSerasi.exe	83
PID 1932 wrote to memory of 3636	1932	SQLSerasi.exe	83
PID 1932 wrote to memory of 3636	1932	SQLSerasi.exe	83

C:\Users\Admin\AppData\Local\Temp\deeb5388c582f0e933f7e7843fd2cc3a88c23004861f68af694172c192fc10a2.exe
"C:\Users\Admin\AppData\Local\Temp\deeb5388c582f0e933f7e7843fd2cc3a88c23004861f68af694172c192fc10a2.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544
- 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:908

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:1932
- 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:3636
- 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:4456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 632
  2⤵
  - Program crash
  PID:2040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1932 -ip 1932
1⤵
PID:1236

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

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
9fea5d15662c732b00adfd92e06a8f00

SHA1
e41e8e4d43ffc940f408fedc68d7db3d8ef13f4a

SHA256
4251f80522cb320407135be2af997d8226f915b215333aa41df22ea783bc65e0

SHA512
e489700f93e2ce38a62c16f31f98c16ff80c4d54d579dcd6f003fceb8a0236167b763047e919596eebf399a3983e84ed7d6451c98cfbc5d99ce92d333bef1645

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

Filesize
39.4MB

MD5
9fea5d15662c732b00adfd92e06a8f00

SHA1
e41e8e4d43ffc940f408fedc68d7db3d8ef13f4a

SHA256
4251f80522cb320407135be2af997d8226f915b215333aa41df22ea783bc65e0

SHA512
e489700f93e2ce38a62c16f31f98c16ff80c4d54d579dcd6f003fceb8a0236167b763047e919596eebf399a3983e84ed7d6451c98cfbc5d99ce92d333bef1645

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

Filesize
39.4MB

MD5
9fea5d15662c732b00adfd92e06a8f00

SHA1
e41e8e4d43ffc940f408fedc68d7db3d8ef13f4a

SHA256
4251f80522cb320407135be2af997d8226f915b215333aa41df22ea783bc65e0

SHA512
e489700f93e2ce38a62c16f31f98c16ff80c4d54d579dcd6f003fceb8a0236167b763047e919596eebf399a3983e84ed7d6451c98cfbc5d99ce92d333bef1645

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

Filesize
39.4MB

MD5
9fea5d15662c732b00adfd92e06a8f00

SHA1
e41e8e4d43ffc940f408fedc68d7db3d8ef13f4a

SHA256
4251f80522cb320407135be2af997d8226f915b215333aa41df22ea783bc65e0

SHA512
e489700f93e2ce38a62c16f31f98c16ff80c4d54d579dcd6f003fceb8a0236167b763047e919596eebf399a3983e84ed7d6451c98cfbc5d99ce92d333bef1645

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

Filesize
39.4MB

MD5
9fea5d15662c732b00adfd92e06a8f00

SHA1
e41e8e4d43ffc940f408fedc68d7db3d8ef13f4a

SHA256
4251f80522cb320407135be2af997d8226f915b215333aa41df22ea783bc65e0

SHA512
e489700f93e2ce38a62c16f31f98c16ff80c4d54d579dcd6f003fceb8a0236167b763047e919596eebf399a3983e84ed7d6451c98cfbc5d99ce92d333bef1645

Download Submit
memory/544-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/544-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/544-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/544-133-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/544-142-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/544-132-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/908-139-0x0000000000000000-mapping.dmp

Download
memory/908-155-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/908-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1932-153-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1932-156-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1932-152-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1932-158-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1932-149-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3636-159-0x0000000000000000-mapping.dmp

Download
memory/3636-173-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4456-157-0x0000000000000000-mapping.dmp

Download
memory/4456-172-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4456-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads