gh0strat | 6e61574af212af8a984e691c74b9bbd91d52285acd60fb778629e9bf13262b2b

General

Target

brunoHacker.exe
Size

408KB
MD5

cda724098f73a391b79378ef37177297
SHA1

c452c06614d914765eda8c33b7e618bdcddee50e
SHA256

6e61574af212af8a984e691c74b9bbd91d52285acd60fb778629e9bf13262b2b
SHA512

685f166a531911801fafaef22ddb91b43f040a7fe24a06c02c9bfd0db1b04b3982dbcb907b255fa93174f813aa754483d237a9173cc7788f44f41531ba680e1e
SSDEEP

6144:c2GWQGcZTVN+0yB6oJrcR/QRqrGj7LWd1ZDg7HHEqrGjG5vYEA:c2zQGyTVVYJrjqrG7uMHEqrGkvYE

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

Processes:

resource	yara_rule
C:\Windows\Logs\RunDllExe.dll	family_gh0strat
behavioral2/memory/1256-135-0x0000000000400000-0x000000000040B000-memory.dmp	family_gh0strat
behavioral2/memory/1256-136-0x0000000000400000-0x000000000040B000-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

Registers new Print Monitor 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

brunoHacker.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\RunDllExe	brunoHacker.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\RunDllExe\Driver = "C:\\Windows\\Logs\\RunDllExe.dll"	brunoHacker.exe

Executes dropped EXE 1 IoCs

Processes:

pid process

1696
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 203.124.11.111

pid	process
1696

description	ioc
Destination IP	203.124.11.111

Drops file in System32 directory 5 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\MpMgSvc[1].dll	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	svchost.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	svchost.exe

Drops file in Windows directory 1 IoCs

Processes:

brunoHacker.exe

description ioc process

File created C:\Windows\Logs\RunDllExe.dll brunoHacker.exe

description	ioc	process
File created	C:\Windows\Logs\RunDllExe.dll	brunoHacker.exe

Modifies data under HKEY_USERS 8 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	svchost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

brunoHacker.exepowershell.exe

pid process

4536 brunoHacker.exe
4536 brunoHacker.exe
4344 powershell.exe
4344 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4344 powershell.exe

pid	process
4536	brunoHacker.exe
4536	brunoHacker.exe
4344	powershell.exe
4344	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4344	powershell.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

brunoHacker.exe

description	pid	process	target process
PID 4536 wrote to memory of 1788	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 1788	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 1788	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 1156	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 1156	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 1156	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 3684	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 3684	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 3684	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 4904	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 4904	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 4904	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 4616	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 4616	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 4616	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 1084	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 1084	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 1084	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 2340	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 2340	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 2340	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 2244	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 2244	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 2244	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 2616	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 2616	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 2616	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 2992	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 2992	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 2992	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 672	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 672	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 672	4536	brunoHacker.exe	netsh.exe
PID 4536 wrote to memory of 4344	4536	brunoHacker.exe	powershell.exe
PID 4536 wrote to memory of 4344	4536	brunoHacker.exe	powershell.exe
PID 4536 wrote to memory of 4344	4536	brunoHacker.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\brunoHacker.exe
"C:\Users\Admin\AppData\Local\Temp\brunoHacker.exe"
1⤵
- Registers new Print Monitor
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Windows\SysWOW64\netsh.exe
  netsh ipsec static add policy name=Block
  2⤵
  PID:1788
- C:\Windows\SysWOW64\netsh.exe
  netsh ipsec static add filterlist name=Filter1
  2⤵
  PID:1156
- C:\Windows\SysWOW64\netsh.exe
  netsh ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=135 protocol=TCP
  2⤵
  PID:3684
- C:\Windows\SysWOW64\netsh.exe
  netsh ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=135 protocol=UDP
  2⤵
  PID:4904
- C:\Windows\SysWOW64\netsh.exe
  netsh ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=139 protocol=TCP
  2⤵
  PID:4616
- C:\Windows\SysWOW64\netsh.exe
  netsh ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=139 protocol=UDP
  2⤵
  PID:1084
- C:\Windows\SysWOW64\netsh.exe
  netsh ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=445 protocol=TCP
  2⤵
  PID:2340
- C:\Windows\SysWOW64\netsh.exe
  netsh ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=445 protocol=UDP
  2⤵
  PID:2244
- C:\Windows\SysWOW64\netsh.exe
  netsh ipsec static add filteraction name=FilteraAtion1 action=block
  2⤵
  PID:2616
- C:\Windows\SysWOW64\netsh.exe
  netsh ipsec static add rule name=Rule1 policy=Block filterlist=Filter1 filteraction=FilteraAtion1
  2⤵
  PID:2992
- C:\Windows\SysWOW64\netsh.exe
  netsh ipsec static set policy name=Block assign=y
  2⤵
  PID:672
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Start-Sleep -s 2;del "C:\Users\Admin\AppData\Local\Temp\brunoHacker.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4344

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1256

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
1⤵
PID:1100

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
1⤵
PID:1792

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iyiuenlo.00t.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\Logs\RunDllExe.dll

Filesize
166KB

MD5
2d2fdaf3a484d432718193436bf6dbd1

SHA1
065d5a5963b3c56a56825f27e2f72478787fbecd

SHA256
69a12824071f318c6aab30d460efbb8fdaceb6d7c469539a7f19b4390171e372

SHA512
86159d6a97ae548e4fea3a1f332d1ef3d9c218fb241449daf7429926a8375f0e1d7fba48c6c5aa9ecf6b0bc1ee566e0480b70a929917d9d40b822188d9e916d0

Download Submit
memory/1256-135-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1256-136-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4344-145-0x0000000005540000-0x00000000055A6000-memory.dmp

Filesize
408KB

Download
memory/4344-156-0x0000000006240000-0x000000000625E000-memory.dmp

Filesize
120KB

Download
memory/4344-143-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/4344-144-0x00000000053A0000-0x00000000053C2000-memory.dmp

Filesize
136KB

Download
memory/4344-141-0x00000000055D0000-0x0000000005BF8000-memory.dmp

Filesize
6.2MB

Download
memory/4344-140-0x0000000004DB0000-0x0000000004DE6000-memory.dmp

Filesize
216KB

Download
memory/4344-146-0x0000000005C00000-0x0000000005C66000-memory.dmp

Filesize
408KB

Download
memory/4344-142-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/4344-157-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/4344-158-0x0000000007930000-0x0000000007FAA000-memory.dmp

Filesize
6.5MB

Download
memory/4344-159-0x00000000072E0000-0x00000000072FA000-memory.dmp

Filesize
104KB

Download
memory/4344-160-0x0000000007420000-0x00000000074B6000-memory.dmp

Filesize
600KB

Download
memory/4344-161-0x00000000073B0000-0x00000000073D2000-memory.dmp

Filesize
136KB

Download
memory/4344-162-0x0000000008560000-0x0000000008B04000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads