dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89

Analysis

max time kernel
152s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/10/2022, 19:20

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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
904	pdfmarks.exe

Loads dropped DLL 1 IoCs

pid	Process
108	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 4 IoCs

description	pid	Process	procid_target
PID 108 wrote to memory of 904	108	dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89.exe	27
PID 108 wrote to memory of 904	108	dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89.exe	27
PID 108 wrote to memory of 904	108	dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89.exe	27
PID 108 wrote to memory of 904	108	dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89.exe	27

C:\Users\Admin\AppData\Local\Temp\dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89.exe
"C:\Users\Admin\AppData\Local\Temp\dcc5bf03e6203d3c5335b9acdb9d88e089783641f16c0cca6c8caf76655e4e89.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:108
- C:\Users\Admin\AppData\Local\Temp\pdfmarks.exe
  "C:\Users\Admin\AppData\Local\Temp\pdfmarks.exe"
  2⤵
  - Executes dropped EXE
  PID:904

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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

Filesize
77KB

MD5
74d5aa13e69ae45dcd379b731bc6ab2e

SHA1
7500254e0bc8bd35a14118ab0c932835630ec4a7

SHA256
0842580496f9d0d73a77ae6d1a0a690f0f387ca98f8f47aad4d0eea2d7688c77

SHA512
5fa4553a99d59eb801ba80f29133d897439ab939bb5f108e1c5b3f0d15c676b5f7cde2c07063f893509471cde1795c033f7c5864abd2d730106d22b6fbcce897

Download Submit
memory/108-54-0x00000000002F0000-0x0000000000300000-memory.dmp

Filesize
64KB

Download
memory/108-55-0x0000000004000000-0x0000000004004000-memory.dmp

Filesize
16KB

Download
memory/108-56-0x0000000075B41000-0x0000000075B43000-memory.dmp

Filesize
8KB

Download
memory/108-57-0x0000000004000000-0x0000000004004000-memory.dmp

Filesize
16KB

Download
memory/108-61-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/904-62-0x0000000000270000-0x0000000000280000-memory.dmp

Filesize
64KB

Download