4f013ddcf3e7fbf13f5ccfff9d203f49f3bc2d5c3cfd0a0d8d88764e14b113f8

Analysis

max time kernel
148s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 11:43

Sharing

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Report Analysis Logs

General

Target

16c9a814e92a2dad73324e999fe5f651.pdf
Size

76KB
MD5

16c9a814e92a2dad73324e999fe5f651
SHA1

e6d07eefc07eabf2666897257ce3a743af092a0e
SHA256

4f013ddcf3e7fbf13f5ccfff9d203f49f3bc2d5c3cfd0a0d8d88764e14b113f8
SHA512

1adbccd9503101ab90c634203ec32ecc8c26846152bbf71cc3bbee6ef274976d835b2f870c5ece8eee9761d5cb3079a1dc8efe94404e8bf9914c073fb637f588
SSDEEP

1536:dkTnzrGiLVHFN5Hsa2WhrlE1CsphqWXgMT/XZLCjzspWApO6N4t:62iLVT5f2aJE1CsNpLOsQ60

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe
4672	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 1296	4672	AcroRd32.exe	94
PID 4672 wrote to memory of 1296	4672	AcroRd32.exe	94
PID 4672 wrote to memory of 1296	4672	AcroRd32.exe	94
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 3312	1296	RdrCEF.exe	95
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96
PID 1296 wrote to memory of 1880	1296	RdrCEF.exe	96

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\16c9a814e92a2dad73324e999fe5f651.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:4672
- 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:1296
- - 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=2DF85282F489103CFF8024B465325D0F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3312
- - 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=904BCF23588BC4C252DF956446AF2254 --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=904BCF23588BC4C252DF956446AF2254 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1880
- - 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=36B697D2EED79CBA17F9627DA6F13174 --mojo-platform-channel-handle=2016 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3096
- - 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=4C9589DFCBF3EB27296A26CA2C9A8568 --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=4C9589DFCBF3EB27296A26CA2C9A8568 --renderer-client-id=5 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1996
- - 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=55EEBA0E3E1F77187A61C20F0EA97BA1 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4644
- - 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=511ED9FB6CA61AFDD950620D3A1640DF --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2292

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1300

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
d8e2d1a7350f3cab1ac9caac2032543a

SHA1
7c322446e8c64cc4174238aeaa3190365d502357

SHA256
fc4d4fc30bfa16a4586fe449a7c6a3b92b898d1040769c6f2d264e2fd4de5bb5

SHA512
5282b7d77ecd40258a8107be4e15634ccb13550d687e9f87dd4bf40c72a689fc3f6320f0f1b609301be23f7973a9e3783cdaa2e5a68f64334b0e6664a4b343d5

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4672-27-0x000000000AA30000-0x000000000AA51000-memory.dmp

Filesize
132KB

Download