gh0strat | ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013

General

Target

ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
Size

3.6MB
MD5

ff36b7baea3cdd1d935690d717d3c619
SHA1

afbb582def094e7c2578a94e26800c340e4c6f2a
SHA256

ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013
SHA512

2ee72f200b958a1bef1260fd7b20dca4d6a2c1732f4c8b03224fada79d34e116d1485d4478ce7ac8f9fd37110e7312831523689ace2377b73591cd9406f6efbb
SSDEEP

49152:DEywVVvUji3TFEnsHyjtk2MYC5GDm1VxZkfsk0soZJnYwoO:A1VVv28xEnsmtk2avkd0sAoO

Score

10^/10

gh0strat xred backdoor discovery persistence rat

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes

email
[email protected]
payload_url
http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

http://xred.site50.net/syn/SUpdate.ini

https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

http://xred.site50.net/syn/Synaptics.rar

https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

http://xred.site50.net/syn/SSLLibrary.dll

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/files/0x001600000001866f-6.dat	family_gh0strat
behavioral1/memory/2788-34-0x0000000010000000-0x000000001018B000-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
Gh0strat family
gh0strat
Xred
Xred is backdoor written in Delphi.
backdoor xred
Xred family
xred

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\svchist\Parameters\ServiceDll = "C:\\Windows\\system32\\259445730.bat"	GLk.exe

Executes dropped EXE 8 IoCs

pid	Process
1440	GLk.exe
2844	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
2788	._cache_HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
2840	Synaptics.exe
2984	._cache_Synaptics.exe
2096	°²È«¹ýÀ´(x64).exe
2040	svchist.exe
1624	°²È«¹ýÀ´(x64).exe

Loads dropped DLL 13 IoCs

pid	Process
2452	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
1440	GLk.exe
1256	svchost.exe
2452	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
2452	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
2844	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
2844	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
2844	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
2844	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
2840	Synaptics.exe
2840	Synaptics.exe
1256	svchost.exe
2040	svchist.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\svchist.exe	svchost.exe
File created	C:\Windows\SysWOW64\259445730.bat	GLk.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	GLk.exe
File created	C:\Windows\SysWOW64\svchist.exe	svchost.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\AppPatch\°²È«¹ýÀ´(x64).exe	._cache_HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
File opened for modification	C:\Program Files (x86)\AppPatch\°²È«¹ýÀ´(x64).exe	._cache_HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	°²È«¹ýÀ´(x64).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	°²È«¹ýÀ´(x64).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GLk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
484	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2452	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	._cache_HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
Token: SeDebugPrivilege	2984	._cache_Synaptics.exe
Token: SeDebugPrivilege	2788	._cache_HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
Token: 33	2984	._cache_Synaptics.exe
Token: SeIncBasePriorityPrivilege	2984	._cache_Synaptics.exe

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
2452	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
2452	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
2788	._cache_HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
2788	._cache_HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
2984	._cache_Synaptics.exe
2984	._cache_Synaptics.exe
484	EXCEL.EXE
2096	°²È«¹ýÀ´(x64).exe
2096	°²È«¹ýÀ´(x64).exe
1624	°²È«¹ýÀ´(x64).exe
1624	°²È«¹ýÀ´(x64).exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 1440	2452	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	31
PID 2452 wrote to memory of 1440	2452	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	31
PID 2452 wrote to memory of 1440	2452	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	31
PID 2452 wrote to memory of 1440	2452	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	31
PID 2452 wrote to memory of 2844	2452	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	34
PID 2452 wrote to memory of 2844	2452	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	34
PID 2452 wrote to memory of 2844	2452	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	34
PID 2452 wrote to memory of 2844	2452	ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	34
PID 2844 wrote to memory of 2788	2844	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	35
PID 2844 wrote to memory of 2788	2844	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	35
PID 2844 wrote to memory of 2788	2844	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	35
PID 2844 wrote to memory of 2788	2844	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	35
PID 2844 wrote to memory of 2840	2844	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	36
PID 2844 wrote to memory of 2840	2844	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	36
PID 2844 wrote to memory of 2840	2844	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	36
PID 2844 wrote to memory of 2840	2844	HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe	36
PID 2840 wrote to memory of 2984	2840	Synaptics.exe	37
PID 2840 wrote to memory of 2984	2840	Synaptics.exe	37
PID 2840 wrote to memory of 2984	2840	Synaptics.exe	37
PID 2840 wrote to memory of 2984	2840	Synaptics.exe	37
PID 1256 wrote to memory of 2040	1256	svchost.exe	40
PID 1256 wrote to memory of 2040	1256	svchost.exe	40
PID 1256 wrote to memory of 2040	1256	svchost.exe	40
PID 1256 wrote to memory of 2040	1256	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
"C:\Users\Admin\AppData\Local\Temp\ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Temp\GLk.exe
  C:\Users\Admin\AppData\Local\Temp\\GLk.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1440
- C:\Users\Admin\AppData\Local\Temp\HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
  C:\Users\Admin\AppData\Local\Temp\\HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2844
- - C:\Users\Admin\AppData\Local\Temp\._cache_HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2788
- - C:\ProgramData\Synaptics\Synaptics.exe
    "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2840
  - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2984

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchist"
1⤵
PID:2004

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchist"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Windows\SysWOW64\svchist.exe
  C:\Windows\system32\svchist.exe "c:\windows\system32\259445730.bat",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2040

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:484

C:\Program Files (x86)\AppPatch\°²È«¹ýÀ´(x64).exe
"C:\Program Files (x86)\AppPatch\°²È«¹ýÀ´(x64).exe" -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2096

C:\Program Files (x86)\AppPatch\°²È«¹ýÀ´(x64).exe
"C:\Program Files (x86)\AppPatch\°²È«¹ýÀ´(x64).exe" -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\BpaviZEL.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.4MB

MD5
26252277cbdaab4cb143659244143ca9

SHA1
21f9a7d2bf4bd4e7145ff7836fdb9b8d6887da8b

SHA256
6fc2609741ea03c6e952db7d307796d5132bbea15ffee831057ccc1e4aaeb045

SHA512
02d14738d4205242587330cb04ebfca6bcde7f30f70c263bcbfbe9c676eb2e74d066e1c096c2a06a90b8b1def7fe9b206e42a58f06e85b57e47a4b7efff87aef

Download Submit
\Users\Admin\AppData\Local\Temp\._cache_HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe

Filesize
1.5MB

MD5
b66d0f5033bc5e3d39e739502b6e6910

SHA1
77357b84c95693505053474137fb8a4869ee6768

SHA256
add5ff8eef6b18e8239c506d0d407a106d31f7c22450531faa8f25c11dde490b

SHA512
496dfba26860229956028b238dc4515384e5b3519d7aa443a4cc4c903d7da67f227ea19ddbef6609f6e3716b7d55b6b679b47f7ae526fce0f22271bc4e7fc8e9

Download Submit
\Users\Admin\AppData\Local\Temp\GLk.exe

Filesize
337KB

MD5
b8e58a96761799f4ad0548dba39d650c

SHA1
c00032d40cfbe4ccfd3ce3e4c8defb2a2ef9fc1f

SHA256
334e8e7c65b087985766d652f70b710bdba6aea55a2fa17b97ba2961e8eee9df

SHA512
1cd94994ed3f6594e37e6cd1d266ff96bb37c5e99d9ce6fd4637ed615ee8c6496b54a025fdccced6fca200f8f2da8011177c67c943676b30bfb0655393765fe3

Download Submit
\Users\Admin\AppData\Local\Temp\HD_ef5752ceabb712bd44e5113fd38cec269e1cce5348231aa0fadcbef868937013.exe

Filesize
2.2MB

MD5
0bf93e1970eb7419cc3b9844519a87c5

SHA1
eccd1bd0e086ab82696652df5f54ad7d3f002023

SHA256
e5a886132bdfcb9b5bf4e762527e14514183eb498e50a677198f082ce9a8c85b

SHA512
01022835535c18a28a8ba9c6c1c41fe33b5ed8de3371bc3b6a2711ad95a0ce38207a86e1608131bbcb3817305cc4a32532ea535ea7f66e33d7aa31b7c31f0b67

Download Submit
\Windows\SysWOW64\259445730.bat

Filesize
51KB

MD5
8892ea02d213f6ec078206e6b796c385

SHA1
437b87fec3662c0a82058e743f03f0afdbf1f7ca

SHA256
5a00d59020d49b340435c08c4c235017e93856204183b32ef5d0f9697c336c52

SHA512
ac02c20c80bc873904f1efb6c2589c33bb280bd5a17f54c844549ece358f6d908255058da19246026f9f38b5a90016044126e8d44fa70dbabdfe4aeea9bdfaaf

Download Submit
\Windows\SysWOW64\svchist.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/484-76-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2788-34-0x0000000010000000-0x000000001018B000-memory.dmp

Filesize
1.5MB

Download
memory/2840-104-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2840-105-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2840-107-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2840-148-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/2844-59-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads