dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89

Analysis

max time kernel
152s
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
19-10-2022 19:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89.exe
Size

77KB
MD5

adc129ed77eca9cdc4677ff34cfa601b
SHA1

68a91bcd2ad8229cfba86b71d80a4a49ca489f8c
SHA256

dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89
SHA512

89118f29c6db2b722df3417c27a121d04a25ddf5e7821699f59f52f1ea579e8201ecfed419f068d7903fc42ae8e9e89c56bb0d546183d4750464cd828e8e2f01
SSDEEP

768:o73OtJDvhzNDnwGk58sCuStfXR+VxhHg1rpgQwdYhijQFBpBTBH+WM0Zjz:oa/DvVNm58kSWHgJ0Yw0bpBd19z

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
580	pdfmarks.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 580	5072	dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89.exe	84
PID 5072 wrote to memory of 580	5072	dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89.exe	84
PID 5072 wrote to memory of 580	5072	dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89.exe	84

C:\Users\Admin\AppData\Local\Temp\dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89.exe
"C:\Users\Admin\AppData\Local\Temp\dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Users\Admin\AppData\Local\Temp\pdfmarks.exe
  "C:\Users\Admin\AppData\Local\Temp\pdfmarks.exe"
  2⤵
  - Executes dropped EXE
  PID:580

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\pdfmarks.exe

Filesize
77KB

MD5
74d5aa13e69ae45dcd379b731bc6ab2e

SHA1
7500254e0bc8bd35a14118ab0c932835630ec4a7

SHA256
0842580496f9d0d73a77ae6d1a0a690f0f387ca98f8f47aad4d0eea2d7688c77

SHA512
5fa4553a99d59eb801ba80f29133d897439ab939bb5f108e1c5b3f0d15c676b5f7cde2c07063f893509471cde1795c033f7c5864abd2d730106d22b6fbcce897

Download Submit
C:\Users\Admin\AppData\Local\Temp\pdfmarks.exe

Filesize
77KB

MD5
74d5aa13e69ae45dcd379b731bc6ab2e

SHA1
7500254e0bc8bd35a14118ab0c932835630ec4a7

SHA256
0842580496f9d0d73a77ae6d1a0a690f0f387ca98f8f47aad4d0eea2d7688c77

SHA512
5fa4553a99d59eb801ba80f29133d897439ab939bb5f108e1c5b3f0d15c676b5f7cde2c07063f893509471cde1795c033f7c5864abd2d730106d22b6fbcce897

Download Submit
memory/580-139-0x0000000000880000-0x0000000000890000-memory.dmp

Filesize
64KB

Download
memory/580-141-0x0000000000890000-0x0000000000894000-memory.dmp

Filesize
16KB

Download
memory/5072-132-0x00000000009C0000-0x00000000009D0000-memory.dmp

Filesize
64KB

Download
memory/5072-133-0x00000000009D0000-0x00000000009D4000-memory.dmp

Filesize
16KB

Download
memory/5072-134-0x00000000009D0000-0x00000000009D4000-memory.dmp

Filesize
16KB

Download
memory/5072-135-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download