316b4c47ee42548ebd50dd15c395c97ab8baa1b7993829f8ffece24b2c09b89f

Analysis

max time kernel
153s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 20:05

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General

Target

b9890a7996f0f8ed1facd94e7413718c.pdf
Size

73KB
MD5

b9890a7996f0f8ed1facd94e7413718c
SHA1

7de3d612dfbd3437f82b8dc0d4df680a1e015bae
SHA256

316b4c47ee42548ebd50dd15c395c97ab8baa1b7993829f8ffece24b2c09b89f
SHA512

67a6e294d654b4e3dfeacdc35693f4d63d67e3bb9cf2f67ebb36b6c1eeba48c45de7d30eb27542c32df80811418ca478e3ef8e635af3463f3c6ff2d742faf63d
SSDEEP

1536:6AW4KJ6dC4bXzT36uOKdIMEUiKL85GxIrIsFBXXQI9ctLiWHpOvTWZGgaZezUfWI:XW4EibjT36uOKdIMrLuGxIrIsFFQI9cw

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe
3792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3792 wrote to memory of 4468	3792	AcroRd32.exe	106
PID 3792 wrote to memory of 4468	3792	AcroRd32.exe	106
PID 3792 wrote to memory of 4468	3792	AcroRd32.exe	106
PID 3792 wrote to memory of 4748	3792	AcroRd32.exe	108
PID 3792 wrote to memory of 4748	3792	AcroRd32.exe	108
PID 3792 wrote to memory of 4748	3792	AcroRd32.exe	108
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2932	4468	RdrCEF.exe	110
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111
PID 4468 wrote to memory of 2328	4468	RdrCEF.exe	111

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\b9890a7996f0f8ed1facd94e7413718c.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:3792
- 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:4468
- - 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=D1667B31E36746EF7698D2A595F52029 --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=D1667B31E36746EF7698D2A595F52029 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2932
- - 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=622BB9156E61ADCD6C5D53C6C176F477 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2328
- - 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=F4DEFF39E111A165E6A5D3578A0BB7C9 --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=F4DEFF39E111A165E6A5D3578A0BB7C9 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3592
- - 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=5FE8552DEAC0858B8B7C5C04DC1BAD35 --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2008
- - 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=644D0E650A587A74BF4B0B7D3A93E53F --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4616
- - 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=D8BE2DFF4E0F647F1967F231BBA08F1F --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1636
- 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⤵
  PID:4748

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:336

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4396 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
1⤵
PID:1408

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
d2bad0e64bdbc1d049b18ec1a0b7aae6

SHA1
75d79e1a8762ebd7c0a7d767ef5b7a47d09c959e

SHA256
3f3310d994975cef019f5efb010408ad99a072fb5c22cdb3f039a4569f345700

SHA512
c8ffdebae1592bbc046d08b79a7c876f248565117f0554d5c01cd5d25419f97e879e3c0aa50b97d924ac3aced5822ad6cb302061a3cddc4b92c49a28a4cab0ee

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