8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-en-20211014
submitted
02-11-2021 07:34

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General

Target

8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.exe
Size

6.0MB
MD5

36439a5f029df1777b51a34bd454b9d2
SHA1

66ab3a5c3f35fad196b07bc91930bcc171b0132f
SHA256

8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008
SHA512

e412f202184412e39e8fed102b042c68e7b65eeb6545096481db3e62e5dfdf641031736f616e1cf7e61e59705473af37a1e7c0c13762cbdc5a6aa5acaace8da9

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp
988	wsqmcons.exe

Loads dropped DLL 3 IoCs

pid	Process
1232	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.exe
620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp
988	wsqmcons.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\P:	mountvol.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 620	1232	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.exe	28
PID 1232 wrote to memory of 620	1232	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.exe	28
PID 1232 wrote to memory of 620	1232	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.exe	28
PID 1232 wrote to memory of 620	1232	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.exe	28
PID 1232 wrote to memory of 620	1232	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.exe	28
PID 1232 wrote to memory of 620	1232	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.exe	28
PID 1232 wrote to memory of 620	1232	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.exe	28
PID 620 wrote to memory of 1648	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	29
PID 620 wrote to memory of 1648	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	29
PID 620 wrote to memory of 1648	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	29
PID 620 wrote to memory of 1648	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	29
PID 620 wrote to memory of 1832	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	31
PID 620 wrote to memory of 1832	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	31
PID 620 wrote to memory of 1832	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	31
PID 620 wrote to memory of 1832	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	31
PID 620 wrote to memory of 1400	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	33
PID 620 wrote to memory of 1400	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	33
PID 620 wrote to memory of 1400	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	33
PID 620 wrote to memory of 1400	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	33
PID 1648 wrote to memory of 1656	1648	cmd.exe	35
PID 1648 wrote to memory of 1656	1648	cmd.exe	35
PID 1648 wrote to memory of 1656	1648	cmd.exe	35
PID 1648 wrote to memory of 1656	1648	cmd.exe	35
PID 1400 wrote to memory of 1664	1400	cmd.exe	36
PID 1400 wrote to memory of 1664	1400	cmd.exe	36
PID 1400 wrote to memory of 1664	1400	cmd.exe	36
PID 1400 wrote to memory of 1664	1400	cmd.exe	36
PID 620 wrote to memory of 1048	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	37
PID 620 wrote to memory of 1048	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	37
PID 620 wrote to memory of 1048	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	37
PID 620 wrote to memory of 1048	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	37
PID 620 wrote to memory of 2044	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	38
PID 620 wrote to memory of 2044	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	38
PID 620 wrote to memory of 2044	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	38
PID 620 wrote to memory of 2044	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	38
PID 620 wrote to memory of 1408	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	41
PID 620 wrote to memory of 1408	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	41
PID 620 wrote to memory of 1408	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	41
PID 620 wrote to memory of 1408	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	41
PID 620 wrote to memory of 644	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	43
PID 620 wrote to memory of 644	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	43
PID 620 wrote to memory of 644	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	43
PID 620 wrote to memory of 644	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	43
PID 620 wrote to memory of 988	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	45
PID 620 wrote to memory of 988	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	45
PID 620 wrote to memory of 988	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	45
PID 620 wrote to memory of 988	620	8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp	45

C:\Users\Admin\AppData\Local\Temp\8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.exe
"C:\Users\Admin\AppData\Local\Temp\8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\is-F8OJC.tmp\8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-F8OJC.tmp\8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.tmp" /SL5="$40102,5451459,831488,C:\Users\Admin\AppData\Local\Temp\8c92dfd98d0da124299b28d92ad7b50d6b622e6078992df74a5e7b41261ad008.bin.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:620
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C mountvol P: /D
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1648
  - - C:\Windows\SysWOW64\mountvol.exe
      mountvol P: /D
      4⤵
      Enumerates connected drives
      PID:1656
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C bcdedit /set {bootmgr} path \EFI\Boot\bareflank.efi
    3⤵
    PID:1832
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C setx /m PATH "%PATH%C:\Users\Admin\AppData\Local\Temp\is-ID8PO.tmp"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1400
  - - C:\Windows\SysWOW64\setx.exe
      setx /m PATH "C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\C:\Users\Admin\AppData\Local\Temp\is-ID8PO.tmp"
      4⤵
      PID:1664
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-ID8PO.tmp\devcon.exe" remove "ROOT\bareflank""
    3⤵
    PID:1048
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-ID8PO.tmp\devcon.exe" install "C:\Users\Admin\AppData\Local\Temp\is-ID8PO.tmp\bareflank.inf" "ROOT\bareflank""
    3⤵
    PID:2044
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-ID8PO.tmp\devcon.exe" remove "ROOT\bfbuilder""
    3⤵
    PID:1408
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\is-ID8PO.tmp\devcon.exe" install "C:\Users\Admin\AppData\Local\Temp\is-ID8PO.tmp\bfbuilder.inf" "ROOT\bfbuilder""
    3⤵
    PID:644
- - C:\Users\Admin\AppData\Roaming\wsqmcons.exe
    "C:\Users\Admin\AppData\Roaming\wsqmcons.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/620-63-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1232-58-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/1232-55-0x0000000075821000-0x0000000075823000-memory.dmp

Filesize
8KB

Download