4cc34bf12b6124a9d7a77ae3587c1934e9ec337c2cd9029116769b27a302984d

Analysis

max time kernel
152s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 19:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

39335da614a8a35ceee2ab06df881a21.pdf
Size

61KB
MD5

39335da614a8a35ceee2ab06df881a21
SHA1

9e559a9e4e15cd0a8b67d7624bfb8d2f237ed1b8
SHA256

4cc34bf12b6124a9d7a77ae3587c1934e9ec337c2cd9029116769b27a302984d
SHA512

4da9e462f0facf90a22cccf820f4567d3721afd53aae7fc56a28a5d226aa24d6cf17b54be8600cff59152b69ccbfb9909d9e165b32444bd5269f8502694ff2dd
SSDEEP

1536:WamSsnO9MLxlDTr8POXkMjrVJSSzwjoJiOkFfItSTmAVm:WWsO9ox9bXkMjPfBJiZFfHQ

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe
3288	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3288 wrote to memory of 3188	3288	AcroRd32.exe	94
PID 3288 wrote to memory of 3188	3288	AcroRd32.exe	94
PID 3288 wrote to memory of 3188	3288	AcroRd32.exe	94
PID 3288 wrote to memory of 1448	3288	AcroRd32.exe	97
PID 3288 wrote to memory of 1448	3288	AcroRd32.exe	97
PID 3288 wrote to memory of 1448	3288	AcroRd32.exe	97
PID 3288 wrote to memory of 2704	3288	AcroRd32.exe	98
PID 3288 wrote to memory of 2704	3288	AcroRd32.exe	98
PID 3288 wrote to memory of 2704	3288	AcroRd32.exe	98
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 3400	2704	RdrCEF.exe	101
PID 2704 wrote to memory of 5052	2704	RdrCEF.exe	102
PID 2704 wrote to memory of 5052	2704	RdrCEF.exe	102
PID 2704 wrote to memory of 5052	2704	RdrCEF.exe	102
PID 2704 wrote to memory of 5052	2704	RdrCEF.exe	102
PID 2704 wrote to memory of 5052	2704	RdrCEF.exe	102
PID 2704 wrote to memory of 5052	2704	RdrCEF.exe	102
PID 2704 wrote to memory of 5052	2704	RdrCEF.exe	102
PID 2704 wrote to memory of 5052	2704	RdrCEF.exe	102
PID 2704 wrote to memory of 5052	2704	RdrCEF.exe	102
PID 2704 wrote to memory of 5052	2704	RdrCEF.exe	102
PID 2704 wrote to memory of 5052	2704	RdrCEF.exe	102
PID 2704 wrote to memory of 5052	2704	RdrCEF.exe	102
PID 2704 wrote to memory of 5052	2704	RdrCEF.exe	102
PID 2704 wrote to memory of 5052	2704	RdrCEF.exe	102

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\39335da614a8a35ceee2ab06df881a21.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3288
- 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:3188
- 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:1448
- 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:2704
- - 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=C6C3B78A38482CD189551DDC3A6624B5 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3400
- - 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=4E6A73AE096FB401E70368896B383265 --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=4E6A73AE096FB401E70368896B383265 --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5052
- - 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=155095B8031548D8C11DD93D6FBB0393 --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1492
- - 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=CF3C813408D19878E4759E1C954029AC --mojo-platform-channel-handle=2388 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:492
- - 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=599FF062E7EAD41E44D3F2CED45E4ABB --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3260
- 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:3624

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4804

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
333a0814af0ecb92c2bc4a195f652bfb

SHA1
337774bae9a57fb8a2149e16e4405ffd0558b5b4

SHA256
094a978a10a480fcd709ff161608359c6b8eb73c7d9f9e3bb41b56b1b0439aad

SHA512
ec049da02362547723e1ffbd0abe31a844f8f5049652db10799ec8e4d63530887943ebae364290592a8081e0510555d292c72ea72fdda576fbd2291444a863f4

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit