54301f11ab8e2cafcac9aca399748daa42f9d55bdacdccca9445d5c5966d5b54

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/02/2024, 00:52

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General

Target

ad476a67de199f9425c2f3c7c8d5552b.pdf
Size

78KB
MD5

ad476a67de199f9425c2f3c7c8d5552b
SHA1

b72749cca6a2636734edb3c75b67763394f72bb3
SHA256

54301f11ab8e2cafcac9aca399748daa42f9d55bdacdccca9445d5c5966d5b54
SHA512

127eae8191394f1269509ca3b4538bb99a199756e69433e6e7569d647a43c41d07e79cb2940cb560b142b8363e740424a15d4e26b3fe01260edd5870de54fe5e
SSDEEP

1536:TV4/RjcrJ5esQJpb4i7CitzqhJ0sQMInR9IDUbNYF+JCETWqIhunVYsoOgfMBe:TKxcrJ5mxWJURu8ewjTWHhuVYpOgZ

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3748	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3748 wrote to memory of 4388	3748	AcroRd32.exe	90
PID 3748 wrote to memory of 4388	3748	AcroRd32.exe	90
PID 3748 wrote to memory of 4388	3748	AcroRd32.exe	90
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 5056	4388	RdrCEF.exe	91
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 4040	4388	RdrCEF.exe	92

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\ad476a67de199f9425c2f3c7c8d5552b.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:3748
- 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:4388
- - 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=0FCFF7E597B12E4AB899B3890DD42EFD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5056
- - 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=02C37753321EFCFBD22F95E9B5BED43F --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=02C37753321EFCFBD22F95E9B5BED43F --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4040
- - 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=D1F8022F6E306335CD98DFBFF226B57B --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=D1F8022F6E306335CD98DFBFF226B57B --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1604
- - 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=F8E1DB453692AA48E7E847A26D790234 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1008
- - 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=EE7BE9D782D180BA82B3563775337000 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3456
- - 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=B661283DE583E5DB5AE02AF745B6E019 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4860

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:440

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
846cc1109ab4c1040b90a31a579bdd56

SHA1
c51dfe7a9fae881768cd8e8d5ecc922b3ffe8ab5

SHA256
240e95bd5ec8efdeec4b91b4366c5fdf71a8405d513fc61d04f91ae4622305c9

SHA512
7386f5aedbe92bbff2fc82c34f9ceba6baae30ac1fb1dfe70267476779da8ead5e9952fd8a216afcce4240e85edc0a55454e27e1c300de290ea0df52882580ef

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