c82a3eb6254a9b502f57e4dd0235b6d4e265ecb7bc0f5eae61870702bd8405dc

Analysis

max time kernel
146s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
18-06-2022 15:37

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General

Target

assorestauro file 17.06.docm
Size

1.9MB
MD5

e7840be7da4d0e757ed42ad60602758a
SHA1

5c446151310436d45bf8578608f8b0d556a64f87
SHA256

c82a3eb6254a9b502f57e4dd0235b6d4e265ecb7bc0f5eae61870702bd8405dc
SHA512

d8c77c86333f35263e81760a026a58e096155dbed3f09bbbe37a5427533addf433cd56662e25c67e6d0204acfb19029b64086a1b24ea8fdfd5158b4419dfd7a7

Score

8^/10

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

Processes:

r981F.tmp.exe

pid	Process
1544	r981F.tmp.exe

Loads dropped DLL 1 IoCs

Processes:

r981F.tmp.exe

pid	Process
1544	r981F.tmp.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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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
2076	WINWORD.EXE
2076	WINWORD.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid	Process
2076	WINWORD.EXE
2076	WINWORD.EXE
2076	WINWORD.EXE
2076	WINWORD.EXE
2076	WINWORD.EXE
2076	WINWORD.EXE
2076	WINWORD.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

WINWORD.EXE

description	pid	Process	procid_target
PID 2076 wrote to memory of 1544	2076	WINWORD.EXE	84
PID 2076 wrote to memory of 1544	2076	WINWORD.EXE	84
PID 2076 wrote to memory of 1544	2076	WINWORD.EXE	84

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\assorestauro file 17.06.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:2076
- C:\Users\Admin\AppData\Local\Temp\r981F.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\r981F.tmp.exe" "C:\Users\Admin\AppData\Local\Temp\y908D.tmp.dll",DllRegisterServer
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1544

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\r981F.tmp.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Users\Admin\AppData\Local\Temp\r981F.tmp.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Users\Admin\AppData\Local\Temp\y908D.tmp.dll

Filesize
820KB

MD5
e9334bc1f6db1fe8db13e17c47299c74

SHA1
da12f863b1c4f437efc8a5faa8e04e32439eb479

SHA256
a7628a09046bc9f9144ecf506ef5a399befb8a985b028db8032a40ae0f96cf86

SHA512
b2e10ccb89dc2ec23a824cf9c39d76c698f3f1f4a3498c1fcc7b68a73a9a15e28aac512a010c769582b965d544ee558cfdc2e59a672dd7e782826e9776640d95

Download Submit
C:\Users\Admin\AppData\Local\Temp\y908D.tmp.dll

Filesize
820KB

MD5
e9334bc1f6db1fe8db13e17c47299c74

SHA1
da12f863b1c4f437efc8a5faa8e04e32439eb479

SHA256
a7628a09046bc9f9144ecf506ef5a399befb8a985b028db8032a40ae0f96cf86

SHA512
b2e10ccb89dc2ec23a824cf9c39d76c698f3f1f4a3498c1fcc7b68a73a9a15e28aac512a010c769582b965d544ee558cfdc2e59a672dd7e782826e9776640d95

Download Submit
memory/1544-204-0x0000000000000000-mapping.dmp

Download
memory/1544-213-0x0000000001620000-0x0000000001626000-memory.dmp

Filesize
24KB

Download
memory/2076-158-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-167-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-138-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-140-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-141-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-139-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-143-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-142-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-144-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-151-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-152-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-153-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-154-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-155-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-156-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-157-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-130-0x00007FFE500D0000-0x00007FFE500E0000-memory.dmp

Filesize
64KB

Download
memory/2076-159-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-160-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-137-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-168-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-175-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-176-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-177-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-184-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-185-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-192-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-193-0x0000020ADA902000-0x0000020ADA943000-memory.dmp

Filesize
260KB

Download
memory/2076-202-0x0000020AE1D6C000-0x0000020AE1F4F000-memory.dmp

Filesize
1.9MB

Download
memory/2076-203-0x0000020AE1990000-0x0000020AE1A86000-memory.dmp

Filesize
984KB

Download
memory/2076-136-0x00007FFE4DEF0000-0x00007FFE4DF00000-memory.dmp

Filesize
64KB

Download
memory/2076-135-0x00007FFE4DEF0000-0x00007FFE4DF00000-memory.dmp

Filesize
64KB

Download
memory/2076-134-0x00007FFE500D0000-0x00007FFE500E0000-memory.dmp

Filesize
64KB

Download
memory/2076-133-0x00007FFE500D0000-0x00007FFE500E0000-memory.dmp

Filesize
64KB

Download
memory/2076-132-0x00007FFE500D0000-0x00007FFE500E0000-memory.dmp

Filesize
64KB

Download
memory/2076-131-0x00007FFE500D0000-0x00007FFE500E0000-memory.dmp

Filesize
64KB

Download
memory/2076-214-0x0000020AE1D6C000-0x0000020AE1F4F000-memory.dmp

Filesize
1.9MB

Download
memory/2076-215-0x0000020AE1990000-0x0000020AE1A86000-memory.dmp

Filesize
984KB

Download