2f5b7954f66cdc0b94dd0ee4413b8a05a46c753bf4709fa9d3fb3914fe4254d9

Analysis

max time kernel
93s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 15:55

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General

Target

doc75843.exe
Size

245KB
MD5

765b1bb3690c9bacdfa38e18d788efbf
SHA1

391f2f157ddec18660fa5aa397618c4b44cbca0d
SHA256

a3703cc485d2a99cfec122203ed2d7dd83274af8bd0b3bcfab3fd590dd5c308c
SHA512

057ca24da8f89fbb39921dfd1cf160bea8ead5432277b2e59afcc4894903d5bcb74af7b83c1e985a8ca3dc13e1951dd37f8a2cc898d97688c1dab88afb81feef
SSDEEP

6144:MTqjFAdWMbSChmll5dKk3jQXzk0KX03SfFnEx:MZdWuS3FBjQXzkVX0OEx

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
3240	doc75843.exe
3240	doc75843.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3688	3240	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	doc75843.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 2380	3240	doc75843.exe	85
PID 3240 wrote to memory of 2380	3240	doc75843.exe	85
PID 3240 wrote to memory of 2380	3240	doc75843.exe	85

C:\Users\Admin\AppData\Local\Temp\doc75843.exe
"C:\Users\Admin\AppData\Local\Temp\doc75843.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3240
- C:\Users\Admin\AppData\Local\Temp\doc75843.exe
  "C:\Users\Admin\AppData\Local\Temp\doc75843.exe"
  2⤵
  PID:2380
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3240 -s 928
  2⤵
  - Program crash
  PID:3688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3240 -ip 3240
1⤵
PID:1632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nskACCC.tmp\System.dll

Filesize
10KB

MD5
56a321bd011112ec5d8a32b2f6fd3231

SHA1
df20e3a35a1636de64df5290ae5e4e7572447f78

SHA256
bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1

SHA512
5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3

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