dffb453cb353421519215b1b9e062cf50de1f0e8eed44dd5cd074a4e57b43677

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 06:16

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General

Target

769b42c70355dc5b424556a0081a8bc1.pdf
Size

375KB
MD5

769b42c70355dc5b424556a0081a8bc1
SHA1

a6060e78550aa1818f0b440e144b4ae4099dbee5
SHA256

dffb453cb353421519215b1b9e062cf50de1f0e8eed44dd5cd074a4e57b43677
SHA512

810a31c5d4e8ed51da4b10537f46721ae98078a8ce6a7f8fcc5132615c27548c63a8bfb1c39a58288e8c261cffb1ba32ccca3d89bbe9912d0cda8290efe9a8b6
SSDEEP

6144:Mp22KwXFYgf71hqJDEfg4zKG36lHWYmnxWY0ztaBCUZi8A/8jU9+h:Mp2rIFY0qJDE4M6lHWhnxWY0BaB08A/G

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4256	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 2260	4256	AcroRd32.exe	94
PID 4256 wrote to memory of 2260	4256	AcroRd32.exe	94
PID 4256 wrote to memory of 2260	4256	AcroRd32.exe	94
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	95

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\769b42c70355dc5b424556a0081a8bc1.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:4256
- 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:2260
- - 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=7AC36B8AD8E0A1B68570C1888832F4FF --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=7AC36B8AD8E0A1B68570C1888832F4FF --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4820
- - 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=0F1C3348EAF3A102149731B77C9AC079 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2012
- - 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=CDA3E97494788AACDCED90E4BDF77554 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1980
- - 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=2D080BDD2EAF01DD0E5950E0CDE5F944 --mojo-platform-channel-handle=2004 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1988
- - 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=0D30A6D8DEF6B1381B8DD73E9A90ECA1 --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=0D30A6D8DEF6B1381B8DD73E9A90ECA1 --renderer-client-id=6 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3484
- - 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=6675ED1EA92B3ACA740A75F895D9BF62 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1960

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4592

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
59bcc25af52636002f899947e5906909

SHA1
2b1da7bc5ed0932123ff63dd5e3909baa0f9714a

SHA256
049d77685c3da154afb4e7eeb05482e4ee32c61311bdb7a4dbdbd1de4a17d763

SHA512
24c941efcaf7966202645069caaf307d64da98d373fd3b7d19a10b5de0c77742184fe5aca3eedcca2ed2c2c06873f730458c65562c111707accb2026698133dd

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
39KB

MD5
9242449afff1988e60a37bff70457dda

SHA1
218213babfab1a2d52e728628c48b2bb5db2381e

SHA256
c621a65fa2dcf4528771887149795bd1496025509b5514a707fd11f8bb096f46

SHA512
9bb85a094b61b17cecfc718cd57ca1d216421f8e3cdfb933cfa6f84ccaa61632c1dfb2fc90ede088b7bd064930c5013577da9baefb3802d3fe0f3b3c4fcda6ef

Download Submit
memory/4256-130-0x0000000009800000-0x000000000994D000-memory.dmp

Filesize
1.3MB

Download