6a4a046a51f8630900921ebe9f655eb4792ea5c153d853833d75d04125a1f293

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2024 20:00

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General

Target

688323d1a4c84a4f8f7d3f3900956aa1.pdf
Size

97KB
MD5

688323d1a4c84a4f8f7d3f3900956aa1
SHA1

e53b481dc2f6815b4f64b367678b579e99edee8d
SHA256

6a4a046a51f8630900921ebe9f655eb4792ea5c153d853833d75d04125a1f293
SHA512

55bd1f9763aa1be556f30850cc5026cd075a307d17356c77346b1a63b374877926333528d05bf213b28795b270eebfc2c6e952a8ffced973b64b471a5d55e15b
SSDEEP

3072:OnfqrBQht8NlaB2yFtwJMQ2q/tC4Jo8REW:OfqrSht8yF9QHtn3

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 4412	4620	AcroRd32.exe	94
PID 4620 wrote to memory of 4412	4620	AcroRd32.exe	94
PID 4620 wrote to memory of 4412	4620	AcroRd32.exe	94
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 1264	4412	RdrCEF.exe	95
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	RdrCEF.exe	96
PID 4412 wrote to memory of 3664	4412	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\688323d1a4c84a4f8f7d3f3900956aa1.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:4620
- 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:4412
- - 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=E837145743C5F63441B9519EF8D917D6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1264
- - 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=B53F4C1AA9243B50044995BE9D22633C --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=B53F4C1AA9243B50044995BE9D22633C --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3664
- - 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=CB1AA2CD9A4683B9A895E2BB792E9645 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2112
- - 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=531C3E9165A16521478C70F8FA120A9C --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4776
- - 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=4D0B24BA85DBF08E9726EE27CC1C9C58 --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=4D0B24BA85DBF08E9726EE27CC1C9C58 --renderer-client-id=6 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4500
- - 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=68394B41885BCBB462B4D9F29E0C8DE6 --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:232

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1376

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
50112b8adddde32c0349a729c179a70f

SHA1
e0bb2af68183b11a1547d80a398f3de2bce61068

SHA256
8aa0e81068f16febdf9cfd4fe7e0279ff2e48839ed3140ecb40aac854af9d023

SHA512
9a30ee4f03673b7725b89e8e5bc19a69b611fcfdf11fe07de24287b9e5fc716b85abfac02c6ea03e8250dc3c93dd57fea94c0a89a289d8558485c2cd3b19ea84

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