d3a357b30ab22fc0bbe2a2700e194a0596db7762dcb6663dd40d6f7eef4e09e7

Analysis

max time kernel
90s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 18:01

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General

Target

d3a357b30ab22fc0bbe2a2700e194a0596db7762dcb6663dd40d6f7eef4e09e7.exe
Size

17KB
MD5

8fcc540fca4358cf7864bc97a3acb5c6
SHA1

73402b22111f36b0d38df8bdca47bedf1b86b6c4
SHA256

d3a357b30ab22fc0bbe2a2700e194a0596db7762dcb6663dd40d6f7eef4e09e7
SHA512

27c3da299f2a55c3a9271058be143d5cf4c27fdec7eddf3904e237988788c78695531eb96507cf65f2ddb2f428d0e4cb752a58ad2f0469e94db2bde26e97cded
SSDEEP

384:4h/defK03XJYVTKOqY61MAM3Xt/7BrXN5V6A/:m1efAVTxAM3djBrXLIm

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2368-132-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/2368-133-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\checkdisk = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\Chkdisk.exe"	d3a357b30ab22fc0bbe2a2700e194a0596db7762dcb6663dd40d6f7eef4e09e7.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\2405583281123.dll	d3a357b30ab22fc0bbe2a2700e194a0596db7762dcb6663dd40d6f7eef4e09e7.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\d.ini	d3a357b30ab22fc0bbe2a2700e194a0596db7762dcb6663dd40d6f7eef4e09e7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2368	d3a357b30ab22fc0bbe2a2700e194a0596db7762dcb6663dd40d6f7eef4e09e7.exe
2368	d3a357b30ab22fc0bbe2a2700e194a0596db7762dcb6663dd40d6f7eef4e09e7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2368	d3a357b30ab22fc0bbe2a2700e194a0596db7762dcb6663dd40d6f7eef4e09e7.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 760	2368	d3a357b30ab22fc0bbe2a2700e194a0596db7762dcb6663dd40d6f7eef4e09e7.exe	20

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:760
- C:\Users\Admin\AppData\Local\Temp\d3a357b30ab22fc0bbe2a2700e194a0596db7762dcb6663dd40d6f7eef4e09e7.exe
  "C:\Users\Admin\AppData\Local\Temp\d3a357b30ab22fc0bbe2a2700e194a0596db7762dcb6663dd40d6f7eef4e09e7.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2368

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2368-132-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2368-133-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download