4ad15dacb7efa41354bed63e742f98804eba7c886b6aad5f5709d32c84bfc5b5

General

Target

802265850cd5616f53ecbf59222ff973.exe
Size

31KB
MD5

802265850cd5616f53ecbf59222ff973
SHA1

1316bdeaf01791c65cd304ee9c1eb04ecef7daa3
SHA256

4ad15dacb7efa41354bed63e742f98804eba7c886b6aad5f5709d32c84bfc5b5
SHA512

d4566586b30526442821bb42cda6dfc0f9d21503799fabcfa3365052e6429bb6d2f80863c25b79324bdae47f6d83d8fde091ac5e76dcfe83dfac4d97a64a3b67
SSDEEP

768:bU6wHpNgNDldoV46qTahK+5ROHf+5orZStqJg12rstlAH:bU6wJNgNH6mF+5RAfK6ItqIxtl6

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2988	gbvgbv07.exe
2904	gbvgbv07.exe

Loads dropped DLL 5 IoCs

pid	Process
2644	802265850cd5616f53ecbf59222ff973.exe
2644	802265850cd5616f53ecbf59222ff973.exe
2988	gbvgbv07.exe
2904	gbvgbv07.exe
2904	gbvgbv07.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SfcDisable = "4294967197"	gbvgbv07.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\gbvgbv07.exe	802265850cd5616f53ecbf59222ff973.exe
File opened for modification	C:\Windows\SysWOW64\gbvgbv07.exe	802265850cd5616f53ecbf59222ff973.exe
File opened for modification	C:\Windows\SysWOW64\comres.dll	gbvgbv07.exe
File opened for modification	C:\Windows\SysWOW64\comres.dll.ocx	gbvgbv07.exe
File created	C:\Windows\SysWOW64\comres.dll.ocx	gbvgbv07.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\fonts\dbr07027.ttf	802265850cd5616f53ecbf59222ff973.exe
File opened for modification	C:\Windows\fonts\dbr07027.ttf	802265850cd5616f53ecbf59222ff973.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2644	802265850cd5616f53ecbf59222ff973.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 1348	2644	802265850cd5616f53ecbf59222ff973.exe	6
PID 2644 wrote to memory of 2988	2644	802265850cd5616f53ecbf59222ff973.exe	28
PID 2644 wrote to memory of 2988	2644	802265850cd5616f53ecbf59222ff973.exe	28
PID 2644 wrote to memory of 2988	2644	802265850cd5616f53ecbf59222ff973.exe	28
PID 2644 wrote to memory of 2988	2644	802265850cd5616f53ecbf59222ff973.exe	28
PID 2644 wrote to memory of 2904	2644	802265850cd5616f53ecbf59222ff973.exe	29
PID 2644 wrote to memory of 2904	2644	802265850cd5616f53ecbf59222ff973.exe	29
PID 2644 wrote to memory of 2904	2644	802265850cd5616f53ecbf59222ff973.exe	29
PID 2644 wrote to memory of 2904	2644	802265850cd5616f53ecbf59222ff973.exe	29
PID 2904 wrote to memory of 2788	2904	gbvgbv07.exe	30
PID 2904 wrote to memory of 2788	2904	gbvgbv07.exe	30
PID 2904 wrote to memory of 2788	2904	gbvgbv07.exe	30
PID 2904 wrote to memory of 2788	2904	gbvgbv07.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1348
- C:\Users\Admin\AppData\Local\Temp\802265850cd5616f53ecbf59222ff973.exe
  "C:\Users\Admin\AppData\Local\Temp\802265850cd5616f53ecbf59222ff973.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Windows\SysWOW64\gbvgbv07.exe
    C:\Windows\system32\gbvgbv07.exe C:\Windows\system32\dbr07027.ocx pfjaoidjglkajd C:\Users\Admin\AppData\Local\Temp\802265850cd5616f53ecbf59222ff973.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Modifies WinLogon
    - Drops file in System32 directory
    PID:2988
- - C:\Windows\SysWOW64\gbvgbv07.exe
    C:\Windows\system32\gbvgbv07.exe C:\Windows\system32\dbr99005.ocx pfjieaoidjglkajd
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2904
  - - C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      4⤵
      PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\dbr99005.ocx

Filesize
8KB

MD5
76948da567806229012ad2a3d697e468

SHA1
027b9b69eda64b4872647d49f88236603c2433d3

SHA256
73c5b0cbd6e42dad24ee43750a8aee23a8a00b245e8aba577f88563f73eabbd3

SHA512
98af9d35cafa124a0ec4a37a44e6e541641cbf474ccefabfe3c30fea15d671496e8ee37a770f727f1651032dc9496fea664423ac7e5b7c46aa1bfa9d8c39a827

Download Submit
C:\Windows\fonts\dbr07027.ttf

Filesize
412B

MD5
9d0c58014a0788e4931420fb21778ded

SHA1
02a5eaa0b080399a28960b1088997a176fd43ad9

SHA256
5e6517f1bc90348282282108fdf796882c4c62940eff484968cad31cd6b0289a

SHA512
2691cf0607180067998398e5b489dbc802741ab3d684fb9c4fa890680903eada878ad55373548ab89ab75060949ecae48c4bb81d4e006d0f20baba179ae24ab2

Download Submit
\Windows\SysWOW64\dbr07027.ocx

Filesize
40KB

MD5
01f891d680e9cec5563080332ee6d444

SHA1
0ccb4afd3ee1dfc58ce33cd27c498b45b0ec359b

SHA256
98a5e1fdbf326640350129a043a7af3faef47a643f26539dbc513114963731be

SHA512
eccc4bdee7b2ecbbfa50d774fc681ae44e04dcfb720904cb68c058a132a62d1ebf149f97fdbe8a0a8e8726db9a5c0ec30c484bc05b221ea1b3fb7f2545b4d54e

Download Submit
\Windows\SysWOW64\gbvgbv07.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1348-9-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/2644-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2644-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2904-29-0x0000000010000000-0x0000000010006000-memory.dmp

Filesize
24KB

Download
memory/2904-31-0x0000000000090000-0x000000000009E000-memory.dmp

Filesize
56KB

Download
memory/2988-20-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/2988-32-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads