d927956a49165228ee68d1501c912ca79f852343d9b356f7853ba271c180adc6

Analysis

max time kernel
141s
max time network
135s
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, 21:45

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General

Target

787769a7e7a2ce5d68876bd2266b2bc1.pdf
Size

34KB
MD5

787769a7e7a2ce5d68876bd2266b2bc1
SHA1

2f1d9ab08150ca9789e22ee6b009e91e945aa545
SHA256

d927956a49165228ee68d1501c912ca79f852343d9b356f7853ba271c180adc6
SHA512

69ff3f20534ea355fcea4f93b87f352414666779671d0e61ab9186f3a0f96e4ed6dfc0ec24aed64fc2337eda3fa6e9966226d9cd6e158add6d1febd2122bcdce
SSDEEP

768:SMigvtDoY2sB0bUHG/9PnyqDOD667YPrDQBIX:StgvRoYisG/9v/Dq+rDQBIX

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
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2576	1752	AcroRd32.exe	93
PID 1752 wrote to memory of 2576	1752	AcroRd32.exe	93
PID 1752 wrote to memory of 2576	1752	AcroRd32.exe	93
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 720	2576	RdrCEF.exe	94
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	RdrCEF.exe	95
PID 2576 wrote to memory of 1052	2576	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\787769a7e7a2ce5d68876bd2266b2bc1.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:1752
- 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:2576
- - 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=DFBC475502B1F6658DA9ABCDEFB5EB7F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:720
- - 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=0FF1441191131CB3C16D779D499BFD24 --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=0FF1441191131CB3C16D779D499BFD24 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1052
- - 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=9DA388791F2E17496757E21541497CF4 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1352
- - 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=916DD4703BC817A4A659EC8BCEEE5006 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:668
- - 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=BFB2786C71F08C01A68EB5F324BF62A0 --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=BFB2786C71F08C01A68EB5F324BF62A0 --renderer-client-id=6 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1556
- - 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=6945C080DD49F62395DEACFB190B3DEE --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1380

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3708

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
261f16a1c93051406af77c1c6e45f5b3

SHA1
92c4cf41e177f961528e2878e7ddb86be739e70d

SHA256
203963688c82c8d8a1c1ce15b1ff244f71796eacdbc8579a0b20c53cab3de1b2

SHA512
cdddc72fa3558d0aaa30720901c7406bb630e308ca4c85c724fd863440f4cea97fb05992543b5210a91a06b6178b45dfc17de9ffc769731bd527c41b7fbd7a86

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