71aa2edb1eddca5eacb1e09def0adb5c2af6c888d87c54625db1d44df5832bfa

Analysis

max time kernel
183s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2022 03:22

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General

Target

71aa2edb1eddca5eacb1e09def0adb5c2af6c888d87c54625db1d44df5832bfa.exe
Size

1.7MB
MD5

0271ca7e71e8705fd5ad1f352bfd0b6a
SHA1

f9d59db2b45b9c383203c2379f29149bfd17477a
SHA256

71aa2edb1eddca5eacb1e09def0adb5c2af6c888d87c54625db1d44df5832bfa
SHA512

4b082447d50a569a870fb17c7681ac77f19c444bc03fc8a0bb2b41e344e5eea2ae46c0c70cb331d07d6278f94538d29ac71e5e41919c9761a86395e7c8f3cfbd
SSDEEP

24576:uzEhNisMOrlqpNkmGypBKlsQCW+wsDaQw6DDz3qRyPnmGfrnvVUKueY8RmneWtJw:l9MBKWasY6DwOBfrnvV7UeWtwZoY

Score

6^/10

Malware Config

Signatures

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	71aa2edb1eddca5eacb1e09def0adb5c2af6c888d87c54625db1d44df5832bfa.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	71aa2edb1eddca5eacb1e09def0adb5c2af6c888d87c54625db1d44df5832bfa.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	71aa2edb1eddca5eacb1e09def0adb5c2af6c888d87c54625db1d44df5832bfa.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	71aa2edb1eddca5eacb1e09def0adb5c2af6c888d87c54625db1d44df5832bfa.exe
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe
File opened for modification	C:\Windows\assembly	71aa2edb1eddca5eacb1e09def0adb5c2af6c888d87c54625db1d44df5832bfa.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	8	dw20.exe
Token: SeBackupPrivilege	8	dw20.exe
Token: SeBackupPrivilege	8	dw20.exe
Token: SeBackupPrivilege	8	dw20.exe
Token: SeBackupPrivilege	8	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 8	2348	71aa2edb1eddca5eacb1e09def0adb5c2af6c888d87c54625db1d44df5832bfa.exe	82
PID 2348 wrote to memory of 8	2348	71aa2edb1eddca5eacb1e09def0adb5c2af6c888d87c54625db1d44df5832bfa.exe	82
PID 2348 wrote to memory of 8	2348	71aa2edb1eddca5eacb1e09def0adb5c2af6c888d87c54625db1d44df5832bfa.exe	82

C:\Users\Admin\AppData\Local\Temp\71aa2edb1eddca5eacb1e09def0adb5c2af6c888d87c54625db1d44df5832bfa.exe
"C:\Users\Admin\AppData\Local\Temp\71aa2edb1eddca5eacb1e09def0adb5c2af6c888d87c54625db1d44df5832bfa.exe"
1⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 932
  2⤵
  - Drops file in Windows directory
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:8

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

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Downloads

memory/2348-132-0x0000000074D20000-0x00000000752D1000-memory.dmp

Filesize
5.7MB

Download
memory/2348-134-0x0000000074D20000-0x00000000752D1000-memory.dmp

Filesize
5.7MB

Download
memory/2348-135-0x0000000074D20000-0x00000000752D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads