40dca8cc9156a448082670599d1779339738028a616b3c1047178cf0a0baa6e5

Analysis

max time kernel
835s
max time network
838s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/02/2024, 12:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

doc/colormanage/GS9_Color_Management.tex
Size

83KB
MD5

89e718ba39ebfb13fc2cf095bd04d8bc
SHA1

010f8588665297f0d656c20cab6a50d74a204f9b
SHA256

53c5f1da6fe591327f545d9054b58de3ec80ebd6039e9185e259abab532ce937
SHA512

152545d1a3017c565bcfc7f5211f285062d0358123a3e772a50409e7305df0080a8edb2920011501f0268e1d4d10fc6a5409e3b8a0885288fe96922eda999209
SSDEEP

1536:gR+pS90yGWu7GjNnqhQhe/+tCGKXbtfacTFIm6YeSVDI+hq0jgSvGzdjpvW0FpcG:gR+A0yGWu7GjNnqhQhhtCGKXbtfacTFS

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\tex_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\tex_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\tex_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.tex	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.tex\ = "tex_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\tex_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\tex_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\tex_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2552	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2552	AcroRd32.exe
2552	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2052	3048	cmd.exe	29
PID 3048 wrote to memory of 2052	3048	cmd.exe	29
PID 3048 wrote to memory of 2052	3048	cmd.exe	29
PID 2052 wrote to memory of 2552	2052	rundll32.exe	30
PID 2052 wrote to memory of 2552	2052	rundll32.exe	30
PID 2052 wrote to memory of 2552	2052	rundll32.exe	30
PID 2052 wrote to memory of 2552	2052	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\doc\colormanage\GS9_Color_Management.tex
1⤵
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\doc\colormanage\GS9_Color_Management.tex
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\doc\colormanage\GS9_Color_Management.tex"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
ad1c12b59d98c213f9a04fc648171c6a

SHA1
d0add8863b76d418603e80a5a5a4c304c06a942b

SHA256
aed3ff504dad752eafba576f9bec583889c1ba15e039eed05045d53200ea427e

SHA512
d30c1ae95e847a418f172f6a74b5834de786ddf65d59ba674c84c23d5640b04a8dbfe54244b0683b382ca7c547abc2d9d7f8f65f2723512f3e5992bf6ac25348

Download Submit