67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99

General

Target

67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe
Size

610KB
MD5

7870afe148cebb19609af4b35ea293f0
SHA1

d966c8c3d07857f22b44e999a9958409336f24ae
SHA256

67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99
SHA512

2c333f0e5312f0dc7d6f971933aab630096d0f97911fd59633618bfeb8c85cf958a7301c145c6eb2ed88638e725cf80b4212a87d2d56b14faff0036b23a57425
SSDEEP

12288:vATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:1T+KjUdQqboyyWoK1NGqzuhb

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
1832	4028	WerFault.exe	97
1036	4064	WerFault.exe	82

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	67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.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
4064	67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe
4064	67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4028	winver.exe
4064	67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3388	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 4028	4064	67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe	97
PID 4064 wrote to memory of 4028	4064	67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe	97
PID 4064 wrote to memory of 4028	4064	67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe	97
PID 4064 wrote to memory of 4028	4064	67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe	97
PID 4028 wrote to memory of 3388	4028	winver.exe	56
PID 4064 wrote to memory of 3388	4064	67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe	56
PID 4064 wrote to memory of 2488	4064	67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2488

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3388
- C:\Users\Admin\AppData\Local\Temp\67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe
  "C:\Users\Admin\AppData\Local\Temp\67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4064
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4028
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 300
      4⤵
      Program crash
      PID:1832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 992
    3⤵
    - Program crash
    PID:1036

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4028 -ip 4028
1⤵
PID:2000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4064 -ip 4064
1⤵
PID:1836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2488-21-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/2488-15-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/3388-7-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3388-12-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/3388-6-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/4064-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/4064-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4064-1-0x0000000004510000-0x0000000004B68000-memory.dmp

Filesize
6.3MB

Download
memory/4064-13-0x0000000005A60000-0x0000000006460000-memory.dmp

Filesize
10.0MB

Download
memory/4064-3-0x0000000004510000-0x0000000004B68000-memory.dmp

Filesize
6.3MB

Download
memory/4064-17-0x0000000005A60000-0x0000000006460000-memory.dmp

Filesize
10.0MB

Download
memory/4064-20-0x0000000004510000-0x0000000004B68000-memory.dmp

Filesize
6.3MB

Download
memory/4064-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download

Analysis

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