ccbc7a3c11309c0cb614311f183af7f4ae8f4954a6b56a8cf5b6e7e1f79f2a82

Analysis

max time kernel
144s
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
22/12/2023, 14:28

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General

Target

c325265ade4a3185e4180e407333aa7e.pdf
Size

33KB
MD5

c325265ade4a3185e4180e407333aa7e
SHA1

a318555566711b31aa0c3e443ccb072259f84aa7
SHA256

ccbc7a3c11309c0cb614311f183af7f4ae8f4954a6b56a8cf5b6e7e1f79f2a82
SHA512

0c973218e62fed36c4892b3c9766b1794e867b3402ea4c7a48f9140ae3e2ec40c0ebeaaf81468ba4cd65302589f02f39a37b17a589545c8f0ed0a95fb5802c26
SSDEEP

768:/DwdytXxWY2eQsXc9og06BaZcvk6T9+x4NFChRYZdAOEyk:VxZ2e5Rgw2k6T95NQvYZ4yk

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4224	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 2472	4224	AcroRd32.exe	92
PID 4224 wrote to memory of 2472	4224	AcroRd32.exe	92
PID 4224 wrote to memory of 2472	4224	AcroRd32.exe	92
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 2848	2472	RdrCEF.exe	93
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94
PID 2472 wrote to memory of 4748	2472	RdrCEF.exe	94

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\c325265ade4a3185e4180e407333aa7e.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:4224
- 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:2472
- - 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=37EB48C7DCAAD620B88426D5B15FEAE0 --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=37EB48C7DCAAD620B88426D5B15FEAE0 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2848
- - 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=D4A314E72AECCD000C4297F36AA5CFCE --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4748
- - 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=C7FA59C8A8A880AEC502F6F8FC386156 --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=C7FA59C8A8A880AEC502F6F8FC386156 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:776
- - 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=AFAF2CEBCA558763B54E2099AEBB60FE --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2240
- - 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=2A7423E0FA4A49D4A9BC4C70AA20E3A1 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2384
- - 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=79137BB013ADC95DBEA3E750D5BF35FD --mojo-platform-channel-handle=2744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4056

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:688

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
ccedf0d4ab0655bafa137a1db42bdc6e

SHA1
1dad09a4037bbb9efbf1a0d09f3c3b755804f9bd

SHA256
d954668868b6eff40688ce26d7e23e0cb866e2d131b6b2de48b7f8b085efe771

SHA512
1dddfb0acff250f1a89e7c6be2e3042039dae4eeaf317bc0c9b168a3d5a61b77af94657edc38321273ea67aecba7f74ac531c79cbbe655fd4e6f3abf2f53a97e

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