gh0strat

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General

Target

MALZ6.zip
Size

17.8MB
Sample

230327-lh7fjacg23
MD5

5ad5a10e0ae8eeb1bb6817c9d0cd960e
SHA1

ecb3ffcf79aedfa3c35c2dab0b4f5ca0f872b62c
SHA256

c858e10e29b769ca86445ba1bebdf708e88245da4e96c4afc967818e8293e099
SHA512

05b6ee99e6843d928255daded5a699231c25275b726f68be2b67c6bfc59305bc2b2ad5ae6ab11e70ce975a3ad10e7acbb520601728d9e4b255b7891263828cdd
SSDEEP

393216:P7tKCblX9nuQNeyIvnpDDsIT0vyirPw9yesWcnE1zoQrq8:c6hVeyQpvsIgvyirPiKWcnkUr8

Score

10^/10

Malware Config

Targets

- Target
  
  客户端(Client)_KEY.exe
- Size
  
  1.2MB
- MD5
  
  b0aacc897731ccf1adee875390c6cfcf
- SHA1
  
  494182a125ce93921252c79f155d4c10db049899
- SHA256
  
  e182e12f86fcc70e57c6ed760c5789e6c1a08dac5b4bfb005509c1a7038e9990
- SHA512
  
  b3f8f4793d9b00f1015ea0f9a77a0cf6672fc700036781adf5d5e4c559573f191d4ef982e57e964f7ad107664995d6f5cab6bd20d81f9f6f592602468fab2eab
- SSDEEP
  
  24576:4zOhmv9L5ldZz5NLDvHvK2OZkh0y634ek4cKWd6JqjzD8E:wZHzz6y63Jk4bg0VE
Score

9^/10

bootkit evasion persistence
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Identifies Wine through registry keys
  Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
  evasion
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2
- Target
  
  06432
- Size
  
  384KB
- MD5
  
  9a51d462452001e1f04dd68cf4336c54
- SHA1
  
  594d570708fa03d0ab37a0306b38c134be90becc
- SHA256
  
  7b06be1d204ee0b5ebc0d4cb287133b796bb28b18414ce3b1e8d31691db8b172
- SHA512
  
  e89c9abca2fce011ecade9763fdf738af4b642d5bad22af9a78b25e6a229409b1cb823e446569f7d647ccdd88f6d55094bcf7f4c591951d01f72b7b6d8e4deb6
- SSDEEP
  
  6144:AH0cwGaZNuEtdb3usKYgoJ4o+dp5ky7aIq1/axpR9yMl0gXQYjTwk73o:AHZwBTdbFKVy+dp5kZIlL08QgwGo
Score

9^/10
- Writes file to system bin folder
- Write file to user bin folder
- Reads runtime system information
  Reads data from /proc virtual filesystem.
- Writes file to tmp directory
  Malware often drops required files in the /tmp directory.
behavioral3
- Target
  
  1.exe
- Size
  
  2KB
- MD5
  
  26162a10ad7f77d367b92ab22f8e6fd4
- SHA1
  
  c497c4ad6be12606c909646598b92cb9f8c7f15f
- SHA256
  
  9ebf4c7da32ee2a39ed57364ad5d79697dcdc7cb24d41f4bb7cc01db55f646ca
- SHA512
  
  c71e04b2bad4282f70b24734284f7bc2d4bd4f31484623741413c1f5706972c02088ed4470d292df4d1668f8dd7e7526e7bd937ae076d1b2eed7e0ba5de5e7f3
Score

1^/10
behavioral4 behavioral5
- Target
  
  518_2.exe
- Size
  
  68KB
- MD5
  
  4ad86e5001f11f30b6f67344c325609f
- SHA1
  
  4bcd6382f5d095f271f81f235d0285305a48ab02
- SHA256
  
  aec671efacaa95db6e4487bc2914038f80939be5889d4b313aa137ac1ca91549
- SHA512
  
  bbf47ebacc510575081296d8160ae8e62e9619f56192c80f9d52a38f607cfa19027cfb04e507fc263b44f77135f32454ea1da0af4cd8046ccd6dcdca2ffef434
- SSDEEP
  
  768:EkHn8ozagGwcfAXZq6Imvy0D6SbUtOpgAq0:E8n7Gw5p1IqrAtOp3f
Score

4^/10
behavioral6 behavioral7
- Target
  
  520.exe
- Size
  
  29KB
- MD5
  
  4757d1138e38d916bad87bfa92cf90c9
- SHA1
  
  06d7fd312e50eb34512c5e9ac7eea29f76c8e667
- SHA256
  
  0f254db8f98e6626c487e0bb534b27f33fce6c280ce77303ad356f8c1ce01e11
- SHA512
  
  002382b2b860657b17b15b194b160d4e6dc880ef068ac9a5733617a960e7da8afe9d33e5efe520ab0361ae2b014e049cfab1006e96ac65759c29aeec66548e86
- SSDEEP
  
  384:wVQPhCc4EMap5JN1VY8ianYPLI46OXBc1yoMOmFi6j:kQ50EMaX9V3ianaXBc1f3mb
Score

4^/10
behavioral8 behavioral9
- Target
  
  Drkv
- Size
  
  1.2MB
- MD5
  
  3df5c5e26e2d9fd4946c8121299cd513
- SHA1
  
  efaa2e397773a5eda58a68ddce1d9e17a90fdbd3
- SHA256
  
  a17ca067bd6f74817a0516e6083c0739fc9b9e36aafd95b74fddc84343972cda
- SHA512
  
  9574af57a2984065c6c348f7242533211051c5e9e03c74d6926023c64f61805b4d28698a3c77c3c33ffe33b84f0224f308889a5071bfeca3557fd58043dcca78
- SSDEEP
  
  24576:e845rGHu6gVJKG75oFpA0VWeX4q2y1q2rJp0:745vRVJKGtSA0VWeoJu9p0
Score

9^/10
- Writes file to system bin folder
- Write file to user bin folder
- Reads runtime system information
  Reads data from /proc virtual filesystem.
- Writes file to tmp directory
  Malware often drops required files in the /tmp directory.
behavioral10
- Target
  
  FCK_RSC.dump
- Size
  
  8KB
- MD5
  
  aabeb05e642b2f9acb86a5dc1a600813
- SHA1
  
  abba695b782c0e644b971b65d4dc7b8349714488
- SHA256
  
  8b1d4870fdc940da538f225251996794f2f10ab7fff718d1aa884be8468dcfce
- SHA512
  
  730fd04e4624f4db8c7c92e786148139d457c5bdc28badb3b1cbb70b61fd7b20655c2feab90c5c91b0d30f42a2d7bccb2ce0120752e223e6df2139c371b4be8a
- SSDEEP
  
  96:b/TFVUFXleWwunodJsFDgt1CEiRgWY3ZbBNVyJ6/xMWwWHB6KJAso9Rdtoewc:fUFXlemctwgRPNVyJ6/eWwWhlDoHgzc
Score

1^/10
behavioral11 behavioral12
- Target
  
  FUCK360.exe
- Size
  
  250KB
- MD5
  
  7ab51c2e2fdac53f3360bb5c8b73734e
- SHA1
  
  076d233ef06971a64f9b009c03627a491444a422
- SHA256
  
  8a7ad72fd6d3936ea3ad0ecadc063b382c6f0f8ff65b4839df1f3169f0135216
- SHA512
  
  35a6247f16a0295140782d0ea73754a37aafa09ba62d1f2be0a822d7f1b548921bad94b563ff16f1c817060544560f3c66856f0a85862cdbdfd85e29462abfee
- SSDEEP
  
  6144:XaLSyXt5iZ6hyebe81XrTE4/Cw5E2XppJZxA:qLtyGe81XU4rttQ
Score

10^/10

evasion
- Modifies firewall policy service
  evasion
- ACProtect 1.3x - 1.4x DLL software
  Detects file using ACProtect software.
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
behavioral13 behavioral14
- Target
  
  GetPass.exe
- Size
  
  52KB
- MD5
  
  d25ab00267a9da1944bad9e1115ad428
- SHA1
  
  9470006b8763054e14d0e4708a3708e490cacfe9
- SHA256
  
  07fc745c29db1e2db61089d8d46299078794d7127120d04c07e0a1ea6933a6df
- SHA512
  
  a5906883361a4ce9ee6e3556808f886ee05e84063bbc7e394a33463767e8670eba5cb9f76abef894fcd8607eb3d197ef69e321996246c1f93d463748aaacb206
- SSDEEP
  
  768:Feizs4ulZdVEUHw+0QcKbUyQV8gmDzQn3pVok:w3vpHwPQngyOWDCVok
Score

3^/10
behavioral15 behavioral16
- Target
  
  HkMh.exe
- Size
  
  332KB
- MD5
  
  1cd12a8269d6ed7af46c6d82dbf0db28
- SHA1
  
  cf47e4ce299999ce9b584e29f29cd3942d8abf27
- SHA256
  
  83e96c76e59b2d12849e2f92306c76bb90687194326b79546ac9ed2a1d8b6162
- SHA512
  
  20106eba738c1e0ef1f544879b4036b81cf19aba8c6d581aa6c546af68c819bd7f283138ba9fed55f82feacfcb4c4dd4ba1e0b5af8bf8de481444292109a9baa
- SSDEEP
  
  6144:xBcBaz+oA9IxnN8veMdpRTAZbl/NMe5F+/fAsluDXKVBopxC1rUniJ734maajc3A:sBaz+oA9IxnN8WmAZbRNZOAy3BUHniJX
Score

10^/10

gh0strat rat evasion
- Gh0st RAT payload
- 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
- Modifies firewall policy service
  evasion
- ACProtect 1.3x - 1.4x DLL software
  Detects file using ACProtect software.
- Loads dropped DLL
behavioral17 behavioral18
- Target
  
  HkMh_2.exe
- Size
  
  226KB
- MD5
  
  6d5aeb2b084f4fcc5defcd584953acf1
- SHA1
  
  56513de25668afef7ee860fec5934d7820a9f1f2
- SHA256
  
  1e3c843183830bb4c4f6078e866780b19f6967fa200d809998657f184934998d
- SHA512
  
  44f75c3f346d8de8911673ea75ebbdcd54a574b907cb5437ba3f457f487877b33f4e93372179b59e66ccf34383f273298c28ff4e0b6a1fa6cd4e030c84e308bb
- SSDEEP
  
  6144:bCahtHLoObzXYsWWYbEqaMyveyjV+nByskr:bNYdbgeyjwyr
Score

10^/10

persistence evasion
- Modifies firewall policy service
  evasion
- ACProtect 1.3x - 1.4x DLL software
  Detects file using ACProtect software.
- Loads dropped DLL
- Adds Run key to start application
  persistence
behavioral19 behavioral20
- Target
  
  HkMh_3.exe
- Size
  
  176KB
- MD5
  
  0cae2144249cca11917ce26657fc0281
- SHA1
  
  e7ffc36c62c26e987c6954e4739a306a95d119e1
- SHA256
  
  5fa749158a4dd5dd030bb97a5ca74a542ae4661b2a76ec69b29d41c3a32e8767
- SHA512
  
  50c5ea18407b74fc5d741d602c87a28c0bfebb348a8ff1710026951937b1e9077a353ee0b9bf2eb648b83a60e34a5e934d8b95c1b7e1202933aea875e6975027
- SSDEEP
  
  3072:MBFDC2a8kkalMLmNTMeN1vT72dPxIhf+5HS5LTbl2NBX9ZdebJR3u:M/inHlN1vTyTIBEHkTbl2zn0bJR
Score

10^/10

gh0strat rat evasion
- Gh0st RAT payload
- 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
- Modifies firewall policy service
  evasion
- Executes dropped EXE
- Drops file in System32 directory
behavioral21 behavioral22
- Target
  
  Killbash.x
- Size
  
  338KB
- MD5
  
  7622b6a703b61b767a8f15fe24801ff8
- SHA1
  
  d987be4df6349f1ed7934b4e0154ce743bce863d
- SHA256
  
  95fb9e93efec22c8426f3d557a0c353ff63aa323f42180ecacdf9cd7cfe4c5aa
- SHA512
  
  e950f0eb8b971980342f889b36b2794b883925879e6a8105c1179e9b99492006f324f0aeedc62f77ed7ca8a0cf13c99eb7b6a2e38f4e6bd41e511ac38143fa00
- SSDEEP
  
  6144:wFE15RyBAwujPOjS7624nLqFLof5cAw+l0qbRQ2Aj4qewO3TjC45:jllGSWlnLIoRcAw+lFbSsve45
Score

7^/10

persistence
- Modifies init.d
  Adds/modifies system service, likely for persistence.
  persistence
- Modifies rc script
  Adding/modifying system rc scripts is a common persistence mechanism.
  persistence
- Reads CPU attributes
- Reads runtime system information
  Reads data from /proc virtual filesystem.
- Writes file to tmp directory
  Malware often drops required files in the /tmp directory.
behavioral23
- Target
  
  ShellCodeDec.bat
- Size
  
  74KB
- MD5
  
  381744f92d0d5fc08efad4272d334474
- SHA1
  
  f4152e1d4498023c6377092b79a6746f19cf7c60
- SHA256
  
  3c5b9126bc245f99f4d89ff7871af4f333f92405ed40e197aa8314b2644c1e6c
- SHA512
  
  ff5d6a7f9a86a32cfb36647b501ee0391014f2a8f648eb75fab702581454f2d7668f9f592903765ee17d0897202f5114538ab16b237059f1c9608bddfb955b08
- SSDEEP
  
  1536:sg01tN3rHoLzvODn5qchGGxfP361DssRfAQ:q1ILDcn5qaGGhP3614sRfAQ
Score

1^/10
behavioral24 behavioral25
- Target
  
  TSmm
- Size
  
  31KB
- MD5
  
  9a6841cdb36f21d523cd346975bbb7c9
- SHA1
  
  69f5a3bf605c513ecb0a67ed8f4f5aff9d126dd8
- SHA256
  
  8c22df5b0aa0fb2cd4ceb88f905383508ce5bae4ccf422c061ba0a1cf7802ce5
- SHA512
  
  cc2b2ed0262c222df74f3fd8c2a132628d87b9d203fae2ab3c8570e281985f597bff2cbd8d3920f00f24acbc418fb00d1f1570087ca2bba6167ca587febf353c
- SSDEEP
  
  768:onP9R7JLjULRm7oKYNEfOVmXVtje7heNcfb5:69D3cD6WcFtC7h51
Score

1^/10
behavioral26
- Target
  
  Trustr
- Size
  
  1.5MB
- MD5
  
  8e300a75d4dc0bb5ad7ca16f3b982c4d
- SHA1
  
  acb3a0014a41c7002507281fa203051c2bfd6df7
- SHA256
  
  0e6b7297e0d268689c958889a39733a7367e6836eadd82c475f577f26b64d7de
- SHA512
  
  f0f5b84911bf027b2af783d10b23e2711a43fa7492dc7058d0a64bc109f06ed5f4f32c82bea73861c3786956783c7bd73cff5d1c359729a1a672dbb5312c725b
- SSDEEP
  
  24576:hNJp/2SkgT4KUAopmhDO2Aan9XgnU6tZAf4Nzbm6g+qF2SdYOrhGG+bL+cH8y6LL:hNvOx/Vp/2bn9XgnNtmf28rhpbccIwhL
Score

1^/10
behavioral27
- Target
  
  UDP.exe
- Size
  
  31KB
- MD5
  
  161f6beec09cd33d710f8f97365ee6f6
- SHA1
  
  9c408d1b53a1d03e8c7a3f85e050870f3d9a741f
- SHA256
  
  f73a89b6a5c42d21ee4f7a4d79ad784cdfd896bbe2453b60cf9688786f7a9d98
- SHA512
  
  e9f2afd6ad8216fa0f34cca29ba4d8753a03b187f4e9c29a0607e9b2ad932b788cb9a75db54df0db522e2a20d54a12992ed2396f40f06ab8cd76a89bcbf1e6be
- SSDEEP
  
  384:+ubvs5ed2wcTZr5bDDOp61lpHwdkJAqJDPHYM:hshb9r5b3Op8lVbJTJwM
Score

1^/10
behavioral28 behavioral29
- Target
  
  a
- Size
  
  1.3MB
- MD5
  
  84839072ae06ae3e47d93f3b79067305
- SHA1
  
  eb578777ca88dcaa72cb9b22720618b2e3aa770f
- SHA256
  
  dd77459b8d76d9be75dde3f2aa8e8434b266bc98acd15966c6ae65a6620b10db
- SHA512
  
  3b004be47b8aef3ce9ee821d267ef4e36dfb2a17bdbbf8630f24f119f3ad26c862a79a1e8afafe7e98422479eb58dd8b2ee5c644d3aef84f9bb2eab991f878de
- SSDEEP
  
  24576:X8BHnVsZc1VZneCEuvLmJ7p9fomAmgAspprQYlGtmgmH1LJSwYS3uJdE0cG/v5FH:YHnVec1VZnezuvLmJrfvAmgAspprVlGR
Score

1^/10
behavioral30
- Target
  
  arm1
- Size
  
  977KB
- MD5
  
  cb75be331a7b5cb54bae9db9f4ca643d
- SHA1
  
  789ccb024361d7a4911dfc77bf1c93442491c3c9
- SHA256
  
  8366aea8087a354cbd178f920770b35d785f988ec3649bb7e282d1e3272a6b77
- SHA512
  
  d16e503bb8434c324976747b9f90092fafdaafcc877c588b18c8d1c14c9d813552389dea496a1b2cacaea4e2ebfdec6a630c68e44c645d1a25da9076e6f4c32f
- SSDEEP
  
  12288:erXiRPpwBSHJB2A6f13P5D79dmuxlNzJs4dm3yxiD1WjfGAIFDFvyq766Pd8YTQ0:jvwlP5DJdrRJsskWU5RPdg2ByWwK3R
Score

1^/10
behavioral31
- Target
  
  bj.exe
- Size
  
  378KB
- MD5
  
  a770ebf2e59e29c7460a01241a0a493f
- SHA1
  
  97e59e483e1fa524a305828157a50203e918ada9
- SHA256
  
  ca89debe5dff34c2e2f56875d7dcde5e47565329d3aeb2f2f4a6a3e2248fe664
- SHA512
  
  4cf99a862fc6e2299e33113bb757dd31a0543c5b5716146de2051fbabe86a122e895a8ced9d4f2290ae82dd9f6093dc883abcb2a6747caa90e8fd46e061f6140
- SSDEEP
  
  6144:WsItKnWUQpBTyPRqyhYPbncTBlhHrbndnkv0oX90wRudOl1YTSgux1p2iPtGZ5da:btWUzJq8YPbncT3+bRHfYTSgS21NPE+S
Score

10^/10

gh0strat bootkit persistence rat
- Gh0st RAT payload
- 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
- ACProtect 1.3x - 1.4x DLL software
  Detects file using ACProtect software.
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Drops file in System32 directory
behavioral32

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Bootkit

T1067

Hijack Execution Flow

T1574

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Hijack Execution Flow

T1574

Defense Evasion

Hijack Execution Flow

T1574

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

Sharing

General

Malware Config

Targets

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Identifies Wine through registry keys

Writes to the Master Boot Record (MBR)

Suspicious use of NtSetInformationThreadHideFromDebugger

Writes file to system bin folder

Write file to user bin folder

Reads runtime system information

Writes file to tmp directory

Writes file to system bin folder

Write file to user bin folder

Reads runtime system information

Writes file to tmp directory

Modifies firewall policy service

ACProtect 1.3x - 1.4x DLL software

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Gh0st RAT payload

Modifies firewall policy service

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

Modifies firewall policy service

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

Adds Run key to start application

Gh0st RAT payload

Gh0strat

Modifies firewall policy service

Executes dropped EXE

Drops file in System32 directory

Modifies init.d

Modifies rc script

Reads CPU attributes

Reads runtime system information

Writes file to tmp directory

Gh0st RAT payload

Gh0strat

ACProtect 1.3x - 1.4x DLL software

Deletes itself

Executes dropped EXE

Loads dropped DLL

Writes to the Master Boot Record (MBR)

Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks

static1

behavioral1

behavioral2

behavioral3

behavioral4

behavioral5

behavioral6

behavioral7

behavioral8

behavioral9

behavioral10

behavioral11

behavioral12

behavioral13

behavioral14

behavioral15

behavioral16

behavioral17

behavioral18

behavioral19

behavioral20

behavioral21

behavioral22

behavioral23

behavioral24

behavioral25

behavioral26

behavioral27

behavioral28