fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d

Analysis

max time kernel
91s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2022, 17:57

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General

Target

fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d.exe
Size

572KB
MD5

835da99011115a5df67a6be18f6b5bd6
SHA1

370250cbe8ceefb0a1c00dbc7a5c0c63dfd1ea8b
SHA256

fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d
SHA512

c398d38ee8799f33193bc0e96d7490ea3962ec59f4f12f690827c22a9b8555b1fd20ba0824a162913b09ac891c95e46d6b4ef07df40512715206903594baf44d
SSDEEP

12288:ISOiDok75gCheKzebUHDJYhTOHsK/TZnejT3vCa5Y6bC4TqmxEEI:Ii6gewHJMKLkfCaubN22

Score

6^/10

Malware Config

Signatures

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d.exe
File created	C:\Windows\assembly\Desktop.ini	fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d.exe
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 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 8 IoCs

description	pid	Process
Token: SeBackupPrivilege	2168	fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d.exe
Token: SeSecurityPrivilege	2168	fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d.exe
Token: SeSecurityPrivilege	2168	fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d.exe
Token: SeRestorePrivilege	4832	dw20.exe
Token: SeBackupPrivilege	4832	dw20.exe
Token: SeBackupPrivilege	4832	dw20.exe
Token: SeBackupPrivilege	4832	dw20.exe
Token: SeBackupPrivilege	4832	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 4832	2168	fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d.exe	79
PID 2168 wrote to memory of 4832	2168	fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d.exe	79
PID 2168 wrote to memory of 4832	2168	fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d.exe	79

C:\Users\Admin\AppData\Local\Temp\fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d.exe
"C:\Users\Admin\AppData\Local\Temp\fed7f4b45f50ebd12959648cd319d4e4141142927a8386460e093d5bab407e9d.exe"
1⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 1052
  2⤵
  - Drops file in Windows directory
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4832

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/2168-132-0x0000000074940000-0x0000000074EF1000-memory.dmp

Filesize
5.7MB

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memory/2168-134-0x0000000074940000-0x0000000074EF1000-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