eafdc96c9ec1419d67e158506721d4385c8b7548f3a1f2922b9bf396e78dec14

Analysis

max time kernel
143s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 09:07

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General

Target

13e46bf21d09db403d687ce8965e8025.pdf
Size

5KB
MD5

13e46bf21d09db403d687ce8965e8025
SHA1

bfb07fa6469ffa4e624c2a11740b0eb31359b651
SHA256

eafdc96c9ec1419d67e158506721d4385c8b7548f3a1f2922b9bf396e78dec14
SHA512

b7e11a9918b5f54350dfecef20819991fd53f97f4196dfc6a95c846974b1c8698388188722e30b5a42956165c6aea30c2ffb9763f070d0c57a2e2d9bf004563d
SSDEEP

96:6HtYAp41KE0VB0j7A71E+D0V4mV2DQGPqX9pEsSuOdKDvrhn+FVw7hoqrddQs9ck:6HtYAp9E0rQQ1EY4loQ3X9p3SuOdKD1H

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
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5176	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe
5176	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5176 wrote to memory of 4716	5176	AcroRd32.exe	93
PID 5176 wrote to memory of 4716	5176	AcroRd32.exe	93
PID 5176 wrote to memory of 4716	5176	AcroRd32.exe	93
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5056	4716	RdrCEF.exe	94
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	RdrCEF.exe	95
PID 4716 wrote to memory of 5020	4716	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\13e46bf21d09db403d687ce8965e8025.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:5176
- 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:4716
- - 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=B943BBDA93624C733A2223BFAFB1C5A4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5056
- - 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=1C56D7D56E51F65690980FF41A50D3CA --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=1C56D7D56E51F65690980FF41A50D3CA --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5020
- - 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=30925543606000A0B18DAB30BCBF78CC --mojo-platform-channel-handle=2144 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3192
- - 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=7CABCF4E6D69AB4D2E1C3DE2284F1F36 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4888
- - 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=9BAA9936F207887F11E463A4A5E869E4 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4320
- - 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=97854CAC73E1A6974B95BD09FBADF1C4 --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=97854CAC73E1A6974B95BD09FBADF1C4 --renderer-client-id=7 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3020

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2224

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
0e93f12c40a7102028f8f3f8d7d198f0

SHA1
87c8b8942f02eee8456af60d0b174fbaeb412ed9

SHA256
fe06d3c6bb80d49eb5424d2cb1ffa3d99bd8b60298c2be51abf0827c0a6c3406

SHA512
62dc94510edcc7d6fb5fd2512536cdfbcb13bd0026a738966a0ea3a92721e4210719e7204270a2dcfa3bffadfd2e2b5d477c71ca5166bcbca6aee292abbc6628

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/5176-28-0x000000000A6B0000-0x000000000A700000-memory.dmp

Filesize
320KB

Download