64b12f1d65a1a709abf4588142f73a9fa4d457d0da3714683e2a2be0b3321992

Analysis

max time kernel
33s
max time network
38s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/11/2024, 18:22

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General

Target

Loader_dll/loaderV12.exe
Size

62.3MB
MD5

8e533e9d973e49f1251a5a5343650130
SHA1

2c94ccaf726d034c426425e6b74755b941880566
SHA256

6465765c30c964f99f3afadb81383993893cfcbb47d4740b368a11e5dc614f1e
SHA512

a03ce278551642f8e615dbf617d6480794909f5648e108644f1db9c5a694a334c6b14ed3bc1b82da65e67e78d2d03f3871335d19116ad4624fdc1e0ca32a0d38
SSDEEP

393216:W5HH6Cms5ku95LoagbWWToiadeqW5ZKwq/2Q3HAswsOjNnFRujVebELXD6uP9wjT:WhH6CmsXV1WpaAPZc2ugV2ebVuP+/

Score

10^/10

discovery execution

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2452 created 2652	2452	driver1.exe	44

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2172	powershell.exe
3712	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
2452	driver1.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1480	2452	WerFault.exe	94
2748	2452	WerFault.exe	94

System Location Discovery: System Language Discovery 1 TTPs 2 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	driver1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

GoLang User-Agent 2 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	14	Go-http-client/1.1
HTTP User-Agent header	18	Go-http-client/1.1

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2508	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2172	powershell.exe
2172	powershell.exe
3712	powershell.exe
3712	powershell.exe
2452	driver1.exe
2452	driver1.exe
2452	driver1.exe
2452	driver1.exe
5044	svchost.exe
5044	svchost.exe
5044	svchost.exe
5044	svchost.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	powershell.exe
Token: SeDebugPrivilege	3712	powershell.exe
Token: SeIncreaseQuotaPrivilege	4456	wmic.exe
Token: SeSecurityPrivilege	4456	wmic.exe
Token: SeTakeOwnershipPrivilege	4456	wmic.exe
Token: SeLoadDriverPrivilege	4456	wmic.exe
Token: SeSystemProfilePrivilege	4456	wmic.exe
Token: SeSystemtimePrivilege	4456	wmic.exe
Token: SeProfSingleProcessPrivilege	4456	wmic.exe
Token: SeIncBasePriorityPrivilege	4456	wmic.exe
Token: SeCreatePagefilePrivilege	4456	wmic.exe
Token: SeBackupPrivilege	4456	wmic.exe
Token: SeRestorePrivilege	4456	wmic.exe
Token: SeShutdownPrivilege	4456	wmic.exe
Token: SeDebugPrivilege	4456	wmic.exe
Token: SeSystemEnvironmentPrivilege	4456	wmic.exe
Token: SeRemoteShutdownPrivilege	4456	wmic.exe
Token: SeUndockPrivilege	4456	wmic.exe
Token: SeManageVolumePrivilege	4456	wmic.exe
Token: 33	4456	wmic.exe
Token: 34	4456	wmic.exe
Token: 35	4456	wmic.exe
Token: 36	4456	wmic.exe
Token: SeIncreaseQuotaPrivilege	4456	wmic.exe
Token: SeSecurityPrivilege	4456	wmic.exe
Token: SeTakeOwnershipPrivilege	4456	wmic.exe
Token: SeLoadDriverPrivilege	4456	wmic.exe
Token: SeSystemProfilePrivilege	4456	wmic.exe
Token: SeSystemtimePrivilege	4456	wmic.exe
Token: SeProfSingleProcessPrivilege	4456	wmic.exe
Token: SeIncBasePriorityPrivilege	4456	wmic.exe
Token: SeCreatePagefilePrivilege	4456	wmic.exe
Token: SeBackupPrivilege	4456	wmic.exe
Token: SeRestorePrivilege	4456	wmic.exe
Token: SeShutdownPrivilege	4456	wmic.exe
Token: SeDebugPrivilege	4456	wmic.exe
Token: SeSystemEnvironmentPrivilege	4456	wmic.exe
Token: SeRemoteShutdownPrivilege	4456	wmic.exe
Token: SeUndockPrivilege	4456	wmic.exe
Token: SeManageVolumePrivilege	4456	wmic.exe
Token: 33	4456	wmic.exe
Token: 34	4456	wmic.exe
Token: 35	4456	wmic.exe
Token: 36	4456	wmic.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 2172	5040	loaderV12.exe	86
PID 5040 wrote to memory of 2172	5040	loaderV12.exe	86
PID 2172 wrote to memory of 3712	2172	powershell.exe	88
PID 2172 wrote to memory of 3712	2172	powershell.exe	88
PID 5040 wrote to memory of 4456	5040	loaderV12.exe	91
PID 5040 wrote to memory of 4456	5040	loaderV12.exe	91
PID 5040 wrote to memory of 2452	5040	loaderV12.exe	94
PID 5040 wrote to memory of 2452	5040	loaderV12.exe	94
PID 5040 wrote to memory of 2452	5040	loaderV12.exe	94
PID 2452 wrote to memory of 5044	2452	driver1.exe	95
PID 2452 wrote to memory of 5044	2452	driver1.exe	95
PID 2452 wrote to memory of 5044	2452	driver1.exe	95
PID 2452 wrote to memory of 5044	2452	driver1.exe	95
PID 2452 wrote to memory of 5044	2452	driver1.exe	95
PID 5040 wrote to memory of 2508	5040	loaderV12.exe	107
PID 5040 wrote to memory of 2508	5040	loaderV12.exe	107

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\System32\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:5044

C:\Users\Admin\AppData\Local\Temp\Loader_dll\loaderV12.exe
"C:\Users\Admin\AppData\Local\Temp\Loader_dll\loaderV12.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command "Add-MpPreference -ExclusionPath \"C:\ProgramData\";" powershell -Command "Add-MpPreference -ExclusionPath \"C:\Users\Admin\AppData\Local\Temp\Loader_dll\loaderV12.exe\""
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\Loader_dll\loaderV12.exe
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3712
- C:\Windows\System32\Wbem\wmic.exe
  wmic csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4456
- C:\ProgramData\driver1.exe
  C:\ProgramData\driver1.exe
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2452
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 356
    3⤵
    - Program crash
    PID:1480
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 360
    3⤵
    - Program crash
    PID:2748
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn WinDriver /tr C:\ProgramData\Microsoft\WinDriver.exe /sc onstart /ru SYSTEM
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2452 -ip 2452
1⤵
PID:1984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2452 -ip 2452
1⤵
PID:2388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\driver1.exe

Filesize
1.1MB

MD5
9cff7f2ffa235062a389eafa44385df5

SHA1
97f06a91915400aaf0f2e93352172395e9dc1c66

SHA256
1103d24428005f23b7c88bdaafc615d1b4ed4320f3554e096712c80dfc4048f8

SHA512
aa242d26d02ed4eefe317781ad0692a2e70269221b26042a6f9e47ae18e286dda5dac3959397f85ea4a40ba82206a553c4b5e82962393142e45ab235fffbeadc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kvydfyfo.5sq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2172-7-0x000001DA75680000-0x000001DA756A2000-memory.dmp

Filesize
136KB

Download
memory/2172-11-0x00007FFDD1060000-0x00007FFDD1B21000-memory.dmp

Filesize
10.8MB

Download
memory/2172-12-0x00007FFDD1060000-0x00007FFDD1B21000-memory.dmp

Filesize
10.8MB

Download
memory/2172-0-0x00007FFDD1063000-0x00007FFDD1065000-memory.dmp

Filesize
8KB

Download
memory/2172-28-0x000001DA75360000-0x000001DA7557C000-memory.dmp

Filesize
2.1MB

Download
memory/2172-29-0x00007FFDD1060000-0x00007FFDD1B21000-memory.dmp

Filesize
10.8MB

Download
memory/2452-49-0x0000000074F60000-0x0000000075175000-memory.dmp

Filesize
2.1MB

Download
memory/2452-39-0x0000000000D10000-0x0000000000D91000-memory.dmp

Filesize
516KB

Download
memory/2452-45-0x0000000001060000-0x0000000001460000-memory.dmp

Filesize
4.0MB

Download
memory/2452-46-0x0000000001060000-0x0000000001460000-memory.dmp

Filesize
4.0MB

Download
memory/2452-47-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

Filesize
2.0MB

Download
memory/3712-24-0x0000024A62F50000-0x0000024A6316C000-memory.dmp

Filesize
2.1MB

Download
memory/5044-50-0x0000000000630000-0x000000000063A000-memory.dmp

Filesize
40KB

Download
memory/5044-52-0x0000000000E00000-0x0000000001200000-memory.dmp

Filesize
4.0MB

Download
memory/5044-55-0x0000000074F60000-0x0000000075175000-memory.dmp

Filesize
2.1MB

Download
memory/5044-53-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

Filesize
2.0MB

Download