ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/11/2024, 02:50

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General

Target
ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe
Size 610KB
Sample241103-dbtbbstalj
SHA256 ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2
MD5 9f19bdef237bc710e91c742acb2b6617
SHA1 05e62730d213452a22591271a34dc87d7f5cb393
SHA512 5f972738c4b7d1e646cce3735a65e6483d982c835cd265f44d29a3ccc739a8e6fafd48b2a2151807e5a17a3e1d12ecf5e064116de219b80ab3f8749c1458ae51
SSDEEP 12288:FATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:vT+KjUdQqboyyWoK1NGqzuhb
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2332	448	WerFault.exe	100
3284	1352	WerFault.exe	83

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	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1352	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe
1352	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
448	winver.exe
1352	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3528	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 448	1352	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe	100
PID 1352 wrote to memory of 448	1352	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe	100
PID 1352 wrote to memory of 448	1352	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe	100
PID 1352 wrote to memory of 448	1352	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe	100
PID 448 wrote to memory of 3528	448	winver.exe	56
PID 1352 wrote to memory of 3528	1352	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe	56
PID 1352 wrote to memory of 2720	1352	ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2720

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3528
- C:\Users\Admin\AppData\Local\Temp\ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe
  "C:\Users\Admin\AppData\Local\Temp\ad984b54f9ed96c910ec039efeaa6eb9d80f84b756756317fa49c3c81f444db2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:448
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 300
      4⤵
      Program crash
      PID:2332
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 888
    3⤵
    - Program crash
    PID:3284

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 448 -ip 448
1⤵
PID:3356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1352 -ip 1352
1⤵
PID:4960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1352-1-0x00000000045A0000-0x0000000004BF8000-memory.dmp

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memory/1352-2-0x0000000003D40000-0x0000000003D41000-memory.dmp

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memory/1352-6-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1352-10-0x00000000057B0000-0x00000000061B0000-memory.dmp

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memory/1352-15-0x00000000057B0000-0x00000000061B0000-memory.dmp

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memory/1352-18-0x00000000045A0000-0x0000000004BF8000-memory.dmp

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memory/2720-13-0x00000000007C0000-0x00000000007C6000-memory.dmp

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memory/2720-19-0x00000000007C0000-0x00000000007C6000-memory.dmp

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memory/3528-4-0x0000000001070000-0x0000000001076000-memory.dmp

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memory/3528-5-0x0000000001070000-0x0000000001076000-memory.dmp

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memory/3528-11-0x00000000028F0000-0x00000000028F6000-memory.dmp

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