gh0strat | 709280a87b4abc2326dd99693496ed9efd3c91aeb26540f3e93f454ac8a6be56

Analysis

max time kernel
149s
max time network
140s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
06/10/2022, 20:08

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General

Target

709280a87b4abc2326dd99693496ed9efd3c91aeb26540f3e93f454ac8a6be56.exe
Size

375KB
MD5

39574f2602507138379b46caaa0a1f77
SHA1

2ee9e1dda9731833b79ded80c737d2d86332ae7e
SHA256

709280a87b4abc2326dd99693496ed9efd3c91aeb26540f3e93f454ac8a6be56
SHA512

27f71798686f91eba421b30a26babdcc446aa6128c6cc9355829a4b6b0a13c5a408a30ea6b83d0cb14fa46f7abed7770d9a7e73c31b98349bde2b5c2bf66f24b
SSDEEP

6144:/v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:/4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/3048-172-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3048-173-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3048-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2956-261-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2216-299-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4804-359-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2216-369-0x0000000010000000-0x0000000010362000-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
2956	SQLSerasi.exe
2216	SQLSerasi.exe
4804	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3048-167-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3048-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3048-172-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3048-173-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3048-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2956-261-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2216-299-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4804-359-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2216-369-0x0000000010000000-0x0000000010362000-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\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	709280a87b4abc2326dd99693496ed9efd3c91aeb26540f3e93f454ac8a6be56.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	709280a87b4abc2326dd99693496ed9efd3c91aeb26540f3e93f454ac8a6be56.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\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
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	709280a87b4abc2326dd99693496ed9efd3c91aeb26540f3e93f454ac8a6be56.exe
Token: SeDebugPrivilege	2956	SQLSerasi.exe
Token: SeDebugPrivilege	2216	SQLSerasi.exe
Token: SeDebugPrivilege	2216	SQLSerasi.exe
Token: SeDebugPrivilege	4804	SQLSerasi.exe
Token: SeDebugPrivilege	4804	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2956	3048	709280a87b4abc2326dd99693496ed9efd3c91aeb26540f3e93f454ac8a6be56.exe	66
PID 3048 wrote to memory of 2956	3048	709280a87b4abc2326dd99693496ed9efd3c91aeb26540f3e93f454ac8a6be56.exe	66
PID 3048 wrote to memory of 2956	3048	709280a87b4abc2326dd99693496ed9efd3c91aeb26540f3e93f454ac8a6be56.exe	66
PID 2216 wrote to memory of 4804	2216	SQLSerasi.exe	68
PID 2216 wrote to memory of 4804	2216	SQLSerasi.exe	68
PID 2216 wrote to memory of 4804	2216	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\709280a87b4abc2326dd99693496ed9efd3c91aeb26540f3e93f454ac8a6be56.exe
"C:\Users\Admin\AppData\Local\Temp\709280a87b4abc2326dd99693496ed9efd3c91aeb26540f3e93f454ac8a6be56.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048
- 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:2956

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:2216
- 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:4804

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
653020c5647e9b30ab5a920d56301e2d

SHA1
b34dcdff998465d50bdc6b6f438baa1c875f01a8

SHA256
e4aa3a050ee3efddb1a4ea4e27140ccece538e065250c194696f67763be1c0a0

SHA512
2c582a159968577863e5c70f95255a37894454dfa05b0d0a79c39b5e22d1170cc20ddf170a5a35d76c9fc6f5f08132a92f84abba61fb514e802306dbac732c1a

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

Filesize
39.4MB

MD5
653020c5647e9b30ab5a920d56301e2d

SHA1
b34dcdff998465d50bdc6b6f438baa1c875f01a8

SHA256
e4aa3a050ee3efddb1a4ea4e27140ccece538e065250c194696f67763be1c0a0

SHA512
2c582a159968577863e5c70f95255a37894454dfa05b0d0a79c39b5e22d1170cc20ddf170a5a35d76c9fc6f5f08132a92f84abba61fb514e802306dbac732c1a

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

Filesize
39.4MB

MD5
653020c5647e9b30ab5a920d56301e2d

SHA1
b34dcdff998465d50bdc6b6f438baa1c875f01a8

SHA256
e4aa3a050ee3efddb1a4ea4e27140ccece538e065250c194696f67763be1c0a0

SHA512
2c582a159968577863e5c70f95255a37894454dfa05b0d0a79c39b5e22d1170cc20ddf170a5a35d76c9fc6f5f08132a92f84abba61fb514e802306dbac732c1a

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

Filesize
39.4MB

MD5
653020c5647e9b30ab5a920d56301e2d

SHA1
b34dcdff998465d50bdc6b6f438baa1c875f01a8

SHA256
e4aa3a050ee3efddb1a4ea4e27140ccece538e065250c194696f67763be1c0a0

SHA512
2c582a159968577863e5c70f95255a37894454dfa05b0d0a79c39b5e22d1170cc20ddf170a5a35d76c9fc6f5f08132a92f84abba61fb514e802306dbac732c1a

Download Submit
memory/2216-369-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2216-368-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2216-299-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2956-261-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2956-301-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3048-141-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-157-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-124-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-125-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-126-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-127-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-129-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-130-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-128-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3048-131-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-132-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-133-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-135-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-136-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-137-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-138-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-140-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-142-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-143-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-145-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-147-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-149-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-150-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-152-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-151-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-148-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-146-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-144-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-123-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-139-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-134-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-153-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-154-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-155-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-156-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-122-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-158-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-159-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-160-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-161-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-162-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-163-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-164-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-165-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-166-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-167-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3048-171-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3048-172-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3048-173-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3048-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3048-174-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-176-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-177-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-178-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-179-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-180-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-181-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-121-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-120-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-182-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-183-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-189-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3048-117-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-119-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/3048-118-0x0000000077470000-0x00000000775FE000-memory.dmp

Filesize
1.6MB

Download
memory/4804-359-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4804-370-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download