0e901764624dcb7bbdaa5488d1fd2cbf6467e42bcd7b466c4ea5f507ec15a4a2

General

Target

c87cfb365cc917981fe85f70e405cb7d.exe
Size

29KB
MD5

c87cfb365cc917981fe85f70e405cb7d
SHA1

0b3c78c5fceea6edd0a54a0f62804c3211379ebe
SHA256

0e901764624dcb7bbdaa5488d1fd2cbf6467e42bcd7b466c4ea5f507ec15a4a2
SHA512

d04df70a7309253cf0a5d30ac15a9c56d2961ed7931f9a1a4297341ebf4504313808f4bd5a722bf710cf0cca0f45be89e4560437909f3630856bd77c77037811
SSDEEP

768:MjraXRFVzcqfmjMCm2wlgMvFvYMl5ClMottY/nXbG:MjrkXlcimQRZtvpslHttCXi

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2064	gbvgbv04.exe

Executes dropped EXE 2 IoCs

pid	Process
2064	gbvgbv04.exe
1740	gbvgbv04.exe

Loads dropped DLL 5 IoCs

pid	Process
1252	c87cfb365cc917981fe85f70e405cb7d.exe
1252	c87cfb365cc917981fe85f70e405cb7d.exe
2064	gbvgbv04.exe
1740	gbvgbv04.exe
1740	gbvgbv04.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1252-0-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1252-18-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\gbvgbv04.exe	c87cfb365cc917981fe85f70e405cb7d.exe
File opened for modification	C:\Windows\SysWOW64\gbvgbv04.exe	c87cfb365cc917981fe85f70e405cb7d.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\fonts\dbr04029.ttf	c87cfb365cc917981fe85f70e405cb7d.exe
File opened for modification	C:\Windows\fonts\dbr04029.ttf	c87cfb365cc917981fe85f70e405cb7d.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1252	c87cfb365cc917981fe85f70e405cb7d.exe
2064	gbvgbv04.exe
2064	gbvgbv04.exe
2064	gbvgbv04.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 1392	1252	c87cfb365cc917981fe85f70e405cb7d.exe	21
PID 1252 wrote to memory of 2064	1252	c87cfb365cc917981fe85f70e405cb7d.exe	28
PID 1252 wrote to memory of 2064	1252	c87cfb365cc917981fe85f70e405cb7d.exe	28
PID 1252 wrote to memory of 2064	1252	c87cfb365cc917981fe85f70e405cb7d.exe	28
PID 1252 wrote to memory of 2064	1252	c87cfb365cc917981fe85f70e405cb7d.exe	28
PID 1252 wrote to memory of 1740	1252	c87cfb365cc917981fe85f70e405cb7d.exe	29
PID 1252 wrote to memory of 1740	1252	c87cfb365cc917981fe85f70e405cb7d.exe	29
PID 1252 wrote to memory of 1740	1252	c87cfb365cc917981fe85f70e405cb7d.exe	29
PID 1252 wrote to memory of 1740	1252	c87cfb365cc917981fe85f70e405cb7d.exe	29

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1392
- C:\Users\Admin\AppData\Local\Temp\c87cfb365cc917981fe85f70e405cb7d.exe
  "C:\Users\Admin\AppData\Local\Temp\c87cfb365cc917981fe85f70e405cb7d.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Windows\SysWOW64\gbvgbv04.exe
    C:\Windows\system32\gbvgbv04.exe C:\Windows\system32\dbr04029.ocx pfjaoidjglkajd C:\Users\Admin\AppData\Local\Temp\c87cfb365cc917981fe85f70e405cb7d.exe
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:2064
- - C:\Windows\SysWOW64\gbvgbv04.exe
    C:\Windows\system32\gbvgbv04.exe C:\Windows\system32\dbr99008.ocx pfjieaoidjglkajd
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1740

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\dbr04029.ocx

Filesize
40KB

MD5
a35f5becaae224cdcf42829faf2d146b

SHA1
fad3f254b61e687032abf33c9cc7c28bc3cb263e

SHA256
2d47d47b3a8a7e714c24c4720b51bc462dbbf7357f9fea19451904c3d7ae7ac5

SHA512
e97b1685036a3a2ab41960784e0f08b57d26c420c60d37ba3bae12e460ed6d38a0dd1d6decefbc1003c6b1591d30d3c8b9387c027b79a25c91e151d9a164192a

Download Submit
C:\Windows\SysWOW64\dbr99008.ocx

Filesize
11KB

MD5
fe939fed997e8a51f7969178953f8c51

SHA1
998b7aad9252a20f340bac68acc6ab719d20ad62

SHA256
306d8061b2ed790624c81ba9a2cd83fafb39e490ba5aa74fa76d3f2fd30c052d

SHA512
5b643c48fdb5df297a5c70cde6963ef3a9b041e40cae08161832b863d690d15390b936e667535df4a87168f918f3d60f2b1e28457a095c6f710355580f1e1fb4

Download Submit
C:\Windows\fonts\dbr04029.ttf

Filesize
540B

MD5
e96b87945f09b6917922c4edc70d5076

SHA1
695d3e14ac03604975c19ec0cef30686aaea8a3f

SHA256
20c191f12376614e01860060b31c74b9618915a5d021fc4bfac0b5c0e5125f18

SHA512
90f2d31180fb4eff3a180bff846c5023d7888cf0f34c946774e1c4130cdbf5a545b4f6d90a867a31f41516588f7081010ddfcce0b298c041f3742e8bd1b7dfc2

Download Submit
\Windows\SysWOW64\gbvgbv04.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1252-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1252-18-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1392-7-0x00000000026E0000-0x00000000026E1000-memory.dmp

Filesize
4KB

Download
memory/1740-25-0x0000000010000000-0x0000000010006000-memory.dmp

Filesize
24KB

Download
memory/1740-30-0x00000000000A0000-0x00000000000AE000-memory.dmp

Filesize
56KB

Download
memory/1740-31-0x0000000010000000-0x0000000010006000-memory.dmp

Filesize
24KB

Download
memory/2064-20-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download

Analysis

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