d8cf055ac4e8626665a051a1875fc63e07ae38ff4f262dabacdfb66bdefd31f4

Analysis

max time kernel
141s
max time network
125s
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 11:14

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General

Target

11a32f94429e042ffe3942534ec60103.pdf
Size

73KB
MD5

11a32f94429e042ffe3942534ec60103
SHA1

7e84c20e0035cdcc805021e402b61d7f26629b32
SHA256

d8cf055ac4e8626665a051a1875fc63e07ae38ff4f262dabacdfb66bdefd31f4
SHA512

4637509f8ec09ee7a18c447662eb829f74e67aaaeef657d42b65d9d5f4ac8fdc37a57993a393cd58c2a37263cd446421f02f2979fc45d29a9faab4a798397c87
SSDEEP

1536:r/13rPHnKXN1ntrPj9cJP5jSjHdcO8NPf90SdVWOpOwrKWcLyI151TW:DdrfK9nb9cJhjSjHiOGPfrdSwr0lnQ

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1036	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 4524	1036	AcroRd32.exe	94
PID 1036 wrote to memory of 4524	1036	AcroRd32.exe	94
PID 1036 wrote to memory of 4524	1036	AcroRd32.exe	94
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1992	4524	RdrCEF.exe	96
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	RdrCEF.exe	95
PID 4524 wrote to memory of 1072	4524	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\11a32f94429e042ffe3942534ec60103.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:1036
- 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:4524
- - 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=046494E521BE0A1ECABB7700719EECD9 --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=046494E521BE0A1ECABB7700719EECD9 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1072
- - 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=4AC01F7A3A5EA905C7BE65F971D10AE8 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1992
- - 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=01B0B06859648049649BCA961AE0A7DE --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4504
- - 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=8FEA598E795CA69FBE160167DBB9B54B --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4480
- - 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=14BCA66C51AF31644C6FE10E65CD80A5 --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=14BCA66C51AF31644C6FE10E65CD80A5 --renderer-client-id=6 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1172
- - 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=3CFEEC78B93D495D69B039CD6445855D --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2396

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5004

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
6920fbb95f84eda2f4dcb93ab9cd98b1

SHA1
f979da72efbe06aaa80c722bce64e29386c6ae8d

SHA256
a95428849f5ce1fef968e912491f1eaa3971a009c4418ed6d5b6c0d9dc54ec12

SHA512
a286632ab8e5fd5076b05f82b089c07335ba811401e0a2923f2575b76fc468acbd48ed1250a2ec552f1faea39a8092ebace7807bc177aaba3733dcf5b83d1429

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