d42dcdf16165d3f38d35b0d1681e2632df63012f6eb4924843e1eb231d0b3e70

Analysis

max time kernel
143s
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
11/01/2024, 15:19

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General

Target

53df3a0c539af9f4d05780e907deccde.pdf
Size

43KB
MD5

53df3a0c539af9f4d05780e907deccde
SHA1

ab490955fa3d8bd19d3f03fce094b5f5a681c050
SHA256

d42dcdf16165d3f38d35b0d1681e2632df63012f6eb4924843e1eb231d0b3e70
SHA512

efbcff22b0b860277d9ef13ea41c487a5afc032a28de4a9a901a19f7b9ea4eb11cec0065202dc68626455986b083e43859aa15a8a4d87fa35b09ecd395461513
SSDEEP

768:NTM8lu1hVF6qzE2xjNBAKiJ7qYsOYshg+8PIw6b:WDjzEQUj9hg3PIw6b

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1448	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 3956	1448	AcroRd32.exe	96
PID 1448 wrote to memory of 3956	1448	AcroRd32.exe	96
PID 1448 wrote to memory of 3956	1448	AcroRd32.exe	96
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 2580	3956	RdrCEF.exe	97
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 704	3956	RdrCEF.exe	98

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\53df3a0c539af9f4d05780e907deccde.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:1448
- 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:3956
- - 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=267467447ACFCC3052C46D7441ADCD7B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2580
- - 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=57FA2B8641679A67261EB8F53CB09909 --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=57FA2B8641679A67261EB8F53CB09909 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:704
- - 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=A906CF9D47A5631F2C426A0473791FF7 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1232
- - 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=7199BF58AEFC07FB27E70494F84F2E28 --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=7199BF58AEFC07FB27E70494F84F2E28 --renderer-client-id=5 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4980
- - 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=47846B72780068B227191BDA61F7B3B2 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:564
- - 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=3EA7E3705CD54C443EA6A8F9C679690A --mojo-platform-channel-handle=2756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1168

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:916

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
17bf80d91b8635de209444bc1e6c8f51

SHA1
c12651387ca48f122099fccc83ac64236d9f77b5

SHA256
701e6ba1031fa418ce45dd4750e519d1aa08518b3a329ac4b57e3b09b479b788

SHA512
5e70f8a6fdf49455d3b4a89c591f0a71fac27a8c89dc72d0a30afb983eec921078908cdd1a2c7e1c73b22dc694437e2eb5ac3296862cf3f9fe819e542e3ddd9b

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