gh0strat | cbeac072cc58dee9806f7f1dcdaeca4a529c1989732bd614110fd226895600d2

General

Target

6a20479ba70930fc6bdf8eb54e2aa406_JaffaCakes118.exe
Size

375KB
MD5

6a20479ba70930fc6bdf8eb54e2aa406
SHA1

2db4807b5b27100fb16fb2d83343ed9655215768
SHA256

cbeac072cc58dee9806f7f1dcdaeca4a529c1989732bd614110fd226895600d2
SHA512

4df22115265412b013959a18b6074d5784f5b88bb4d66789fea34de5f719be86abdd36c2785bcf1f8eaa3674c74f9232003b033a0dea41e4fbc0226efc5a664d
SSDEEP

6144:av5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:a4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1300-5-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/1300-6-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/5020-31-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/5020-32-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/3932-50-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/3932-53-0x0000000010000000-0x0000000010362000-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

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:

6a20479ba70930fc6bdf8eb54e2aa406_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	6a20479ba70930fc6bdf8eb54e2aa406_JaffaCakes118.exe

Executes dropped EXE 4 IoCs

Processes:

SQLSerasi.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

pid process

2420 SQLSerasi.exe
5020 SQLSerasi.exe
3932 SQLSerasi.exe
4776 SQLSerasi.exe

pid	process
2420	SQLSerasi.exe
5020	SQLSerasi.exe
3932	SQLSerasi.exe
4776	SQLSerasi.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1300-3-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/1300-5-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/1300-6-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/5020-31-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/5020-32-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/5020-28-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/3932-50-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/3932-53-0x0000000010000000-0x0000000010362000-memory.dmp	upx

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\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
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	SQLSerasi.exe

Drops file in Program Files directory 2 IoCs

Processes:

6a20479ba70930fc6bdf8eb54e2aa406_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	6a20479ba70930fc6bdf8eb54e2aa406_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	6a20479ba70930fc6bdf8eb54e2aa406_JaffaCakes118.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4800 5020 WerFault.exe SQLSerasi.exe

pid	pid_target	process	target process
4800	5020	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\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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	SQLSerasi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	SQLSerasi.exe

Modifies data under HKEY_USERS 8 IoCs

Processes:

SQLSerasi.exe

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 8 IoCs

Processes:

6a20479ba70930fc6bdf8eb54e2aa406_JaffaCakes118.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

description	pid	process
Token: SeDebugPrivilege	1300	6a20479ba70930fc6bdf8eb54e2aa406_JaffaCakes118.exe
Token: SeDebugPrivilege	2420	SQLSerasi.exe
Token: SeDebugPrivilege	5020	SQLSerasi.exe
Token: SeDebugPrivilege	5020	SQLSerasi.exe
Token: SeDebugPrivilege	5020	SQLSerasi.exe
Token: SeDebugPrivilege	3932	SQLSerasi.exe
Token: SeDebugPrivilege	4776	SQLSerasi.exe
Token: SeDebugPrivilege	3932	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

6a20479ba70930fc6bdf8eb54e2aa406_JaffaCakes118.exeSQLSerasi.exe

description	pid	process	target process
PID 1300 wrote to memory of 2420	1300	6a20479ba70930fc6bdf8eb54e2aa406_JaffaCakes118.exe	SQLSerasi.exe
PID 1300 wrote to memory of 2420	1300	6a20479ba70930fc6bdf8eb54e2aa406_JaffaCakes118.exe	SQLSerasi.exe
PID 1300 wrote to memory of 2420	1300	6a20479ba70930fc6bdf8eb54e2aa406_JaffaCakes118.exe	SQLSerasi.exe
PID 5020 wrote to memory of 3932	5020	SQLSerasi.exe	SQLSerasi.exe
PID 5020 wrote to memory of 3932	5020	SQLSerasi.exe	SQLSerasi.exe
PID 5020 wrote to memory of 3932	5020	SQLSerasi.exe	SQLSerasi.exe
PID 5020 wrote to memory of 4776	5020	SQLSerasi.exe	SQLSerasi.exe
PID 5020 wrote to memory of 4776	5020	SQLSerasi.exe	SQLSerasi.exe
PID 5020 wrote to memory of 4776	5020	SQLSerasi.exe	SQLSerasi.exe

C:\Users\Admin\AppData\Local\Temp\6a20479ba70930fc6bdf8eb54e2aa406_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6a20479ba70930fc6bdf8eb54e2aa406_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1300

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:2420

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:5020

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:3932

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:4776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 576
2⤵
- Program crash
PID:4800

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4232,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=3920 /prefetch:8
1⤵
PID:3288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5020 -ip 5020
1⤵
PID:3032

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

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Downloads

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

MD5
bb972960f58d9271978b40590c3f8a3b

SHA1
6a2aa2343333a1f8bf860ab37fe63f6d69d7e5f0

SHA256
de09d17f153591b104b94be07c0f7ea4b07da224fcd6625bc9d8f74c5e3cd7e6

SHA512
9b5997fd2ee494793d8e49c2e99b43fb7c36331423ef69f65632e1ca508a69f277e3bc04afc776f0d8302d472db1a44dddf61b15a77acc3795a56df0ac9181fb

Download Submit
memory/1300-0-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1300-1-0x0000000000464000-0x0000000000465000-memory.dmp

Filesize
4KB

Download
memory/1300-3-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1300-5-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1300-8-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1300-6-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1300-18-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2420-26-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2420-35-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3932-44-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3932-50-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3932-53-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4776-46-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4776-52-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/5020-31-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5020-33-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/5020-32-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5020-28-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads