ec554519e3bb88470daed99ef87acd4d010d3e7cead9b42c7dea4472891efe30

Analysis

max time kernel
162s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 04:24

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General

Target

0e5ed86391a6ab0238648c02edd72965.pdf
Size

87KB
MD5

0e5ed86391a6ab0238648c02edd72965
SHA1

60193ec53ec2fa9f6dd1b05da5bfe945640098d0
SHA256

ec554519e3bb88470daed99ef87acd4d010d3e7cead9b42c7dea4472891efe30
SHA512

e067df79a5511b3388adecaa7bd9b482504f81629f743d50a62265b6c10947d8e53369b24bcf408ce62f463ddc96fd9b4af887ec1de27b896097191521e0ff0c
SSDEEP

1536:KeGgwpEybGwMxrpCI7TpRxiJ9QX6WysnkrHjiDoHsL7SXrm4ExshW8pOG/wIW/Xe:ChpECGh9pfpbizs1ys4HeD43iwkG/wyf

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4964	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe
4964	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 3076	4964	AcroRd32.exe	104
PID 4964 wrote to memory of 3076	4964	AcroRd32.exe	104
PID 4964 wrote to memory of 3076	4964	AcroRd32.exe	104
PID 4964 wrote to memory of 1924	4964	AcroRd32.exe	105
PID 4964 wrote to memory of 1924	4964	AcroRd32.exe	105
PID 4964 wrote to memory of 1924	4964	AcroRd32.exe	105
PID 4964 wrote to memory of 4568	4964	AcroRd32.exe	106
PID 4964 wrote to memory of 4568	4964	AcroRd32.exe	106
PID 4964 wrote to memory of 4568	4964	AcroRd32.exe	106
PID 4964 wrote to memory of 1948	4964	AcroRd32.exe	107
PID 4964 wrote to memory of 1948	4964	AcroRd32.exe	107
PID 4964 wrote to memory of 1948	4964	AcroRd32.exe	107
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 1776	4568	RdrCEF.exe	112
PID 4568 wrote to memory of 2144	4568	RdrCEF.exe	114
PID 4568 wrote to memory of 2144	4568	RdrCEF.exe	114
PID 4568 wrote to memory of 2144	4568	RdrCEF.exe	114
PID 4568 wrote to memory of 2144	4568	RdrCEF.exe	114
PID 4568 wrote to memory of 2144	4568	RdrCEF.exe	114
PID 4568 wrote to memory of 2144	4568	RdrCEF.exe	114
PID 4568 wrote to memory of 2144	4568	RdrCEF.exe	114
PID 4568 wrote to memory of 2144	4568	RdrCEF.exe	114
PID 4568 wrote to memory of 2144	4568	RdrCEF.exe	114
PID 4568 wrote to memory of 2144	4568	RdrCEF.exe	114
PID 4568 wrote to memory of 2144	4568	RdrCEF.exe	114

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\0e5ed86391a6ab0238648c02edd72965.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:3076
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:1924
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4568
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=AC8A08EE3DE1F366F8D10E997B4584B8 --mojo-platform-channel-handle=1620 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1776
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=1FDE8951F791810AFC5F8A1BFADD2A11 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=1FDE8951F791810AFC5F8A1BFADD2A11 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2144
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:1948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit