05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713d

Analysis

max time kernel
119s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/10/2024, 01:25

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General

Target
05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe
Size 214KB
Sample241016-bs12dszdmn
SHA256 05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713d
MD5 86f868fbf81d7e0a4ddb7ac70c74bb70
SHA1 1d4a734b346d2dc67eb1cf3c42d84f69b27dbb53
SHA512 05e078de52599c1cf6f9b6393e9bedbf9788b68342a70773a66ea8ed9784ab4f760af703914b2f8a7198e362519f6d8b8594800a81a2e8714ea4dcfa3c8f507c
SSDEEP 6144:uVtV0QPQCnSQsTEWYChnUnPJuHC3vcWY:ubVQk1wnGACvc
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3472	twhuzqjd.exe

Executes dropped EXE 2 IoCs

pid	Process
3472	twhuzqjd.exe
1328	wms.exe

Loads dropped DLL 1 IoCs

pid	Process
1328	wms.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vicity = "c:\\Program Files\\lgsgy\\wms.exe \"c:\\Program Files\\lgsgy\\wmsgj.dll\",Group"	wms.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\i:	wms.exe
File opened (read-only)	\??\k:	wms.exe
File opened (read-only)	\??\m:	wms.exe
File opened (read-only)	\??\p:	wms.exe
File opened (read-only)	\??\s:	wms.exe
File opened (read-only)	\??\g:	wms.exe
File opened (read-only)	\??\h:	wms.exe
File opened (read-only)	\??\l:	wms.exe
File opened (read-only)	\??\o:	wms.exe
File opened (read-only)	\??\q:	wms.exe
File opened (read-only)	\??\v:	wms.exe
File opened (read-only)	\??\y:	wms.exe
File opened (read-only)	\??\z:	wms.exe
File opened (read-only)	\??\b:	wms.exe
File opened (read-only)	\??\e:	wms.exe
File opened (read-only)	\??\r:	wms.exe
File opened (read-only)	\??\u:	wms.exe
File opened (read-only)	\??\j:	wms.exe
File opened (read-only)	\??\n:	wms.exe
File opened (read-only)	\??\w:	wms.exe
File opened (read-only)	\??\x:	wms.exe
File opened (read-only)	\??\a:	wms.exe
File opened (read-only)	\??\t:	wms.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	wms.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\lgsgy\wms.exe	twhuzqjd.exe
File opened for modification	\??\c:\Program Files\lgsgy	twhuzqjd.exe
File created	\??\c:\Program Files\lgsgy\wmsgj.dll	twhuzqjd.exe
File created	\??\c:\Program Files\lgsgy\wms.exe	twhuzqjd.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	twhuzqjd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wms.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4440	cmd.exe
668	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wms.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wms.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
668	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1328	wms.exe
1328	wms.exe
1328	wms.exe
1328	wms.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1328	wms.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4764	05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe
3472	twhuzqjd.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 4440	4764	05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe	86
PID 4764 wrote to memory of 4440	4764	05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe	86
PID 4764 wrote to memory of 4440	4764	05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe	86
PID 4440 wrote to memory of 668	4440	cmd.exe	88
PID 4440 wrote to memory of 668	4440	cmd.exe	88
PID 4440 wrote to memory of 668	4440	cmd.exe	88
PID 4440 wrote to memory of 3472	4440	cmd.exe	90
PID 4440 wrote to memory of 3472	4440	cmd.exe	90
PID 4440 wrote to memory of 3472	4440	cmd.exe	90
PID 3472 wrote to memory of 1328	3472	twhuzqjd.exe	91
PID 3472 wrote to memory of 1328	3472	twhuzqjd.exe	91
PID 3472 wrote to memory of 1328	3472	twhuzqjd.exe	91

C:\Users\Admin\AppData\Local\Temp\05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe
"C:\Users\Admin\AppData\Local\Temp\05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\twhuzqjd.exe "C:\Users\Admin\AppData\Local\Temp\05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4440
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:668
- - C:\Users\Admin\AppData\Local\Temp\twhuzqjd.exe
    C:\Users\Admin\AppData\Local\Temp\\twhuzqjd.exe "C:\Users\Admin\AppData\Local\Temp\05b48f956b5266252a4ceee46457d277e083917b34e571a9810e58361722713dN.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3472
  - - \??\c:\Program Files\lgsgy\wms.exe
      "c:\Program Files\lgsgy\wms.exe" "c:\Program Files\lgsgy\wmsgj.dll",Group C:\Users\Admin\AppData\Local\Temp\twhuzqjd.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

wms.exe

Path C:\Program Files\lgsgy\wms.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
MD5 SHA1 SHA512 SSDEEP

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twhuzqjd.exe

Path C:\Users\Admin\AppData\Local\Temp\twhuzqjd.exe
Size 214KB
SHA256 a2b1d67e9d5862780777a897c3d711a37179a5d5257d51a21599592a42440b1b
MD5 877b2a9e6529154537d4e7c0b8910e0e
SHA1 06b33ebe9420f3c20cbf3782cb9f383bfa124925
SHA512 992c088caf346a9c071e5b20d32f0e6ad75eb27fd76ee0335ccecb7688c1563eea27afaba34de4a860901f88bdc7a6de2657c88779b444cbc0733d39c7dcb65a
SSDEEP 6144:uVtV0QPQCnSQsTEWYChnUnPJuHC3vcWYi:ubVQk1wnGACvc2
MD5 SHA1 SHA512 SSDEEP

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wmsgj.dll

Path \??\c:\Program Files\lgsgy\wmsgj.dll
Size 148KB
SHA256 06654f8ae3a1a6f46d9a911e84b138fe309ddf68b21b0d5a1bf79cc6282cfbe2
MD5 294b063b535f29f4c84e017e07c566db
SHA1 941fb27aa6d1a93c43db9b6583c31a9244a17a28
SHA512 b329eda0534de07fea00ae28dc343ee62d9ddecc4ce983993661b49616cfed81d6a74ba52852a2a9aefc5be9b0651e430214b58bd551bcf3138edbce13cb06a4
SSDEEP 3072:WffvMX430BMYTM+Ed543Wtt4KGLez3u5KHeuidKL8v/TLQi8aBJLXBlcfwciS:kXMX46TMPd5uWttae9HeuiKazjJFlcfZ
MD5 SHA1 SHA512 SSDEEP

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memory/1328-14-0x0000000010000000-0x0000000010054000-memory.dmp

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memory/1328-15-0x0000000010000000-0x0000000010054000-memory.dmp

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memory/1328-17-0x0000000010000000-0x0000000010054000-memory.dmp

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memory/3472-10-0x0000000000400000-0x0000000000479D2E-memory.dmp

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memory/4764-0-0x0000000000400000-0x0000000000479D2E-memory.dmp

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memory/4764-2-0x0000000000400000-0x0000000000479D2E-memory.dmp

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