d0afe8a488e6f60cd7b1a862f319215f7d65b7964e00bd3bf02132b81d2e5d48

Analysis

max time kernel
149s
max time network
43s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
28-10-2022 01:23

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General

Target

Details.lnk
Size

1KB
MD5

f3c9192e747c7b3b0b861644ccf147ae
SHA1

37db46dc65a31dc8d0f2945ad9b1430b31d486e4
SHA256

d85957d2fc60de0204d94475a4ce85691e4de002e08f55809861a48f5ea58c14
SHA512

0692139ff36b3cdb2ef3971fea1e1bb57f83df8ba28bec6e947bba1cd1ed820b5fbd174f7a62a1fe118e6a168cccd2fc56db1cfc733f9afa397194ed0cdec1da

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
672	regsvr32.exe

Loads dropped DLL 2 IoCs

pid	Process
1956	cmd.exe
672	regsvr32.exe

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

System Information Discovery
T1082

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
672	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1184	regsvr32.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe
272	wermgr.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1184	regsvr32.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 1956	1504	cmd.exe	27
PID 1504 wrote to memory of 1956	1504	cmd.exe	27
PID 1504 wrote to memory of 1956	1504	cmd.exe	27
PID 1956 wrote to memory of 1772	1956	cmd.exe	28
PID 1956 wrote to memory of 1772	1956	cmd.exe	28
PID 1956 wrote to memory of 1772	1956	cmd.exe	28
PID 1956 wrote to memory of 672	1956	cmd.exe	29
PID 1956 wrote to memory of 672	1956	cmd.exe	29
PID 1956 wrote to memory of 672	1956	cmd.exe	29
PID 1956 wrote to memory of 672	1956	cmd.exe	29
PID 1956 wrote to memory of 672	1956	cmd.exe	29
PID 672 wrote to memory of 1184	672	regsvr32.exe	30
PID 672 wrote to memory of 1184	672	regsvr32.exe	30
PID 672 wrote to memory of 1184	672	regsvr32.exe	30
PID 672 wrote to memory of 1184	672	regsvr32.exe	30
PID 672 wrote to memory of 1184	672	regsvr32.exe	30
PID 672 wrote to memory of 1184	672	regsvr32.exe	30
PID 672 wrote to memory of 1184	672	regsvr32.exe	30
PID 1184 wrote to memory of 272	1184	regsvr32.exe	31
PID 1184 wrote to memory of 272	1184	regsvr32.exe	31
PID 1184 wrote to memory of 272	1184	regsvr32.exe	31
PID 1184 wrote to memory of 272	1184	regsvr32.exe	31
PID 1184 wrote to memory of 272	1184	regsvr32.exe	31
PID 1184 wrote to memory of 272	1184	regsvr32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Details.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c disallowable\leggings.cmd r3 2.e xe
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Windows\system32\replace.exe
    replace C:\Windows\system32\regsvr32.exe C:\Users\Admin\AppData\Local\Temp /A
    3⤵
    PID:1772
- - C:\Users\Admin\AppData\Local\Temp\regsvr32.exe
    regsvr32.exe disallowable\lavatory.dat
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: CmdExeWriteProcessMemorySpam
    - Suspicious use of WriteProcessMemory
    PID:672
  - - C:\Windows\SysWOW64\regsvr32.exe
      disallowable\lavatory.dat
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:1184
    - - C:\Windows\SysWOW64\wermgr.exe
        
        C:\Windows\SysWOW64\wermgr.exe
        5⤵
        Suspicious behavior: EnumeratesProcesses
        
        PID:272

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\regsvr32.exe

Filesize
19KB

MD5
59bce9f07985f8a4204f4d6554cff708

SHA1
645c424974fbe5fe7a04cac73f1c23c96e1570b8

SHA256
ca24aef558647274d019dfb4d7fd1506d84ec278795c30ba53b81bb36130dc57

SHA512
3cf5825a9c7fb80ea0bd36775a92d07f34cd3709ed2c7c8f500f1c8baa5242768f6d575bd2477b77e3f177e7a4994d5c5bddb24c6eb43b60a6bd83ea026a8198

Download Submit
C:\Users\Admin\AppData\Local\Temp\regsvr32.exe

Filesize
19KB

MD5
59bce9f07985f8a4204f4d6554cff708

SHA1
645c424974fbe5fe7a04cac73f1c23c96e1570b8

SHA256
ca24aef558647274d019dfb4d7fd1506d84ec278795c30ba53b81bb36130dc57

SHA512
3cf5825a9c7fb80ea0bd36775a92d07f34cd3709ed2c7c8f500f1c8baa5242768f6d575bd2477b77e3f177e7a4994d5c5bddb24c6eb43b60a6bd83ea026a8198

Download Submit
\Users\Admin\AppData\Local\Temp\regsvr32.exe

Filesize
19KB

MD5
59bce9f07985f8a4204f4d6554cff708

SHA1
645c424974fbe5fe7a04cac73f1c23c96e1570b8

SHA256
ca24aef558647274d019dfb4d7fd1506d84ec278795c30ba53b81bb36130dc57

SHA512
3cf5825a9c7fb80ea0bd36775a92d07f34cd3709ed2c7c8f500f1c8baa5242768f6d575bd2477b77e3f177e7a4994d5c5bddb24c6eb43b60a6bd83ea026a8198

Download Submit
\Users\Admin\AppData\Local\Temp\regsvr32.exe

Filesize
19KB

MD5
59bce9f07985f8a4204f4d6554cff708

SHA1
645c424974fbe5fe7a04cac73f1c23c96e1570b8

SHA256
ca24aef558647274d019dfb4d7fd1506d84ec278795c30ba53b81bb36130dc57

SHA512
3cf5825a9c7fb80ea0bd36775a92d07f34cd3709ed2c7c8f500f1c8baa5242768f6d575bd2477b77e3f177e7a4994d5c5bddb24c6eb43b60a6bd83ea026a8198

Download Submit
memory/272-107-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/272-106-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1184-100-0x00000000768A1000-0x00000000768A3000-memory.dmp

Filesize
8KB

Download
memory/1184-101-0x0000000000180000-0x00000000001A9000-memory.dmp

Filesize
164KB

Download
memory/1184-102-0x0000000000180000-0x00000000001A9000-memory.dmp

Filesize
164KB

Download
memory/1184-103-0x0000000000140000-0x00000000001C0000-memory.dmp

Filesize
512KB

Download
memory/1504-54-0x000007FEFC141000-0x000007FEFC143000-memory.dmp

Filesize
8KB

Download