d00648859dbc6be04a57d64b603111beff3216d512530906f1d38480f67e3f14

Analysis

max time kernel
158s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2024, 12:59

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General

Target

d39268a1bb6abf2c355ca4bd5035b94a.pdf
Size

31KB
MD5

d39268a1bb6abf2c355ca4bd5035b94a
SHA1

56ccb12a006392af3665554752ed6b31a27082a5
SHA256

d00648859dbc6be04a57d64b603111beff3216d512530906f1d38480f67e3f14
SHA512

2e4be56aa0c91e9c8439ff1e7c7c5f68c3a1ccefa49b286d6609012cd104e3049ca31a76ff248936cf8bc7cc981cf7a4ea3410d897ac3b82643bbeef4934d5a4
SSDEEP

768:4IyxeXaMOXII8KXuKVwKQMLgrHn1SNtNhqllldMyURO:JycXalBXuMDQMCHkNNOH8O

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
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 936 wrote to memory of 4952	936	AcroRd32.exe	110
PID 936 wrote to memory of 4952	936	AcroRd32.exe	110
PID 936 wrote to memory of 4952	936	AcroRd32.exe	110
PID 936 wrote to memory of 2284	936	AcroRd32.exe	111
PID 936 wrote to memory of 2284	936	AcroRd32.exe	111
PID 936 wrote to memory of 2284	936	AcroRd32.exe	111
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 2188	4952	RdrCEF.exe	112
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113
PID 4952 wrote to memory of 1152	4952	RdrCEF.exe	113

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\d39268a1bb6abf2c355ca4bd5035b94a.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:936
- 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:4952
- - 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=53E356678BCE1A90754D2319141199A6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2188
- - 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=03D6681F6AD14DDD7AC78E041143A629 --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=03D6681F6AD14DDD7AC78E041143A629 --renderer-client-id=2 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1152
- - 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=774695B6F928300F9BC77F64F77DA4F6 --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=774695B6F928300F9BC77F64F77DA4F6 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2228
- - 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=3B4F8889B8A7146F1D6189538C9315B0 --mojo-platform-channel-handle=2204 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916
- - 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=635B9A86A14136FB56A2B7777BB4B431 --mojo-platform-channel-handle=1960 --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=7ED3A611A069563DD38F419385009F06 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2388
- 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:2284

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=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
1⤵
PID:4324

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3552

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
7c67f70bdaf691d0159fbb499cf7e4e7

SHA1
72ea0ac4a8172ece65289f1b097b879e7669e931

SHA256
9825ec7da6a8c1cc47528958f2e25506dc00a9e73ade3a6fcbff3fd654617f86

SHA512
e6ec0cda0d9c155c7ef9e0f905c5922fbebd904857047a5eb20788ecf3d42b9b68ef108ee2290d1348db7cd34afacf7cdfa8e803512af775873d4cfbe5a4b43b

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