gh0strat | 8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfe

General

Target

8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfe.exe
Size

408KB
MD5

f4378da7594eae7da42cbfdef392edbf
SHA1

f4ac310ef1378d4d9deabb48fdf162d2c546f0ef
SHA256

8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfe
SHA512

66c2d80b891df386b13c77ad7e04731de93c3a56af155c2a23b00fe15defd98b78c1944e039c7b714be677de41eeaece8463f87a33ac9c7c8223653fdc74221c
SSDEEP

6144:6NyLEbWaR5Cc5iXVrXKVRl6zVH+DOEFEDMw7PvP2aCnt:aUaWaR5voXVr6J6zVIKv+t

Score

10^/10

gh0strat ramnit banker discovery persistence rat spyware stealer trojan upx worm

Malware Config

Extracted

Family

gh0strat

C2

frp-fun.top

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1476-0-0x0000000010000000-0x0000000010024000-memory.dmp	family_gh0strat
behavioral2/memory/1476-5-0x0000000010000000-0x0000000010024000-memory.dmp	family_gh0strat
behavioral2/memory/1476-23-0x0000000010000000-0x0000000010024000-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
Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Ramnit family
ramnit

Executes dropped EXE 2 IoCs

pid	Process
980	8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfeSrv.exe
4472	DesktopLayer.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\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfe.exe"	8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfe.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000023c82-7.dat	upx
behavioral2/memory/980-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/980-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4472-21-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4472-20-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxAEAF.tmp	8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfeSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfeSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfeSrv.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfeSrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DesktopLayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2867239323"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D4F86F24-DB22-11EF-91C3-5227CD58F2D9} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158063"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2867239323"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158063"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444577787"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4472	DesktopLayer.exe
4472	DesktopLayer.exe
4472	DesktopLayer.exe
4472	DesktopLayer.exe
4472	DesktopLayer.exe
4472	DesktopLayer.exe
4472	DesktopLayer.exe
4472	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2872	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2872	iexplore.exe
2872	iexplore.exe
5072	IEXPLORE.EXE
5072	IEXPLORE.EXE
5072	IEXPLORE.EXE
5072	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 980	1476	8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfe.exe	82
PID 1476 wrote to memory of 980	1476	8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfe.exe	82
PID 1476 wrote to memory of 980	1476	8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfe.exe	82
PID 980 wrote to memory of 4472	980	8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfeSrv.exe	83
PID 980 wrote to memory of 4472	980	8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfeSrv.exe	83
PID 980 wrote to memory of 4472	980	8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfeSrv.exe	83
PID 4472 wrote to memory of 2872	4472	DesktopLayer.exe	84
PID 4472 wrote to memory of 2872	4472	DesktopLayer.exe	84
PID 2872 wrote to memory of 5072	2872	iexplore.exe	85
PID 2872 wrote to memory of 5072	2872	iexplore.exe	85
PID 2872 wrote to memory of 5072	2872	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfe.exe
"C:\Users\Admin\AppData\Local\Temp\8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfe.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Users\Admin\AppData\Local\Temp\8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfeSrv.exe
  C:\Users\Admin\AppData\Local\Temp\8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfeSrv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:980
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4472
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2872
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2872 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:5072

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
e65df85bed59dcdd6d3b7e9ff6d83f91

SHA1
7a960f472f0bdbd9c2801571001d7f8002a698d0

SHA256
8e1c012d62099e1effdd30982d30f2d91bd25dca27f230b13d74531ede846201

SHA512
e0a111bc33760f3957ca88c4cdc2aa7b8418ce73062eed31939b07b94fc0ecef022135ca93381c47b71a7c43c0c1357025f0e5d72a3348b2ef3de0c81cef38c4

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
36c430034f936e0833a6d55776c8a5c2

SHA1
482fe26f00ac5a801aae1d5946eaee97f1f85ea6

SHA256
a90cb1b73fadd857f9a072d6465d712463617f1d1ebb826607fcc97224c13bcd

SHA512
9566e5df73ecdc770afb26dfa01e8ee99c0da29afe9856968573011a122643ee237a598f5d7227a31c3267132eeb4cae9a04ca8fdd8eae6427eab0c070188153

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
3f347b7a196f2d921072ead17274161d

SHA1
53789e55270f2643284e071c143cd36cd2bfdf31

SHA256
bd5fc676348f7ae9c9dbc941ca9bc1b9bc299583a308d6c0cc93e3e9bef09d92

SHA512
3b433baa2722886a14990061670f3f947b9c02670a43249609fb4e33a93a936d328c5ca07b326cc35c064419078f2039c6bb670487e3ecc6a72d1663a11cd26f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\8a0adc21da0f4460d73bc875d75c6c1708f0c95d493b4fcc32c34008eefd3cfeSrv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/980-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/980-11-0x00000000005A0000-0x00000000005AF000-memory.dmp

Filesize
60KB

Download
memory/980-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1476-23-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/1476-0-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/1476-5-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/4472-19-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/4472-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4472-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads