db5273410c933a199d6cde35b970ba18de85f4194870fdfa9ccdead249ecae3b

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2023 19:33

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General

Target

decrypted_1.exe
Size

596KB
MD5

06380f05b2f738a9b2238e9f41df139a
SHA1

440ee634c0f1ef203b453c690db10a38db1c10b6
SHA256

0411c4c02b0fb6c9009804722a71950a079552e7a9eb48b3f8e437bf310c7f89
SHA512

a30f4fd8ef901c3b66b7e6a2f3c192f9bee7f38156bc5fc7a41daa4b474b1f4dd7098b606f0e09e91d1263c88fd458636412d1c7697a90b4ef76aa2aaef1d52f
SSDEEP

12288:HI3mn6yMpQN+YsSsQeBn9EQ/4EJzKH5rYKG5Jm9g/C:o3m6nWqQuEEvGZrtWK1

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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	3676	dw20.exe
Token: SeBackupPrivilege	3676	dw20.exe
Token: SeBackupPrivilege	3676	dw20.exe
Token: SeBackupPrivilege	3676	dw20.exe
Token: SeBackupPrivilege	3676	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 3676	5092	decrypted_1.exe	79
PID 5092 wrote to memory of 3676	5092	decrypted_1.exe	79
PID 5092 wrote to memory of 3676	5092	decrypted_1.exe	79

C:\Users\Admin\AppData\Local\Temp\decrypted_1.exe
"C:\Users\Admin\AppData\Local\Temp\decrypted_1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 888
  2⤵
  - Drops file in Windows directory
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:3676

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/5092-132-0x0000000075340000-0x00000000758F1000-memory.dmp

Filesize
5.7MB

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memory/5092-134-0x0000000075340000-0x00000000758F1000-memory.dmp

Filesize
5.7MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads