4f4657936ce5fc216843c619787c78bc887a1f8d49861bbe562e8c5e27980ddc

Analysis

max time kernel
142s
max time network
142s
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, 09:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b85eba26425de9780ee27f0e106be8a7.pdf
Size

74KB
MD5

b85eba26425de9780ee27f0e106be8a7
SHA1

bf17846025c22a54829c05cf2ba08a7f4e513deb
SHA256

4f4657936ce5fc216843c619787c78bc887a1f8d49861bbe562e8c5e27980ddc
SHA512

60044ff80d6abd99386cfb484e5799f4d80caca3a7958346a3afb677129d19aca1e0374dea12f5ed62923e6ec11519fddc572bdecd884624ebdec75398823eb1
SSDEEP

1536:OhAs0tWAQlL59kUDca7zkphDVE83UCID8FftXWGpOKl5oL6CWHTKQaPRfj:GyWPF59kUDophhkCzF4Ks6pTKQap7

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 3196	4780	AcroRd32.exe	97
PID 4780 wrote to memory of 3196	4780	AcroRd32.exe	97
PID 4780 wrote to memory of 3196	4780	AcroRd32.exe	97
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 3272	3196	RdrCEF.exe	98
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99
PID 3196 wrote to memory of 776	3196	RdrCEF.exe	99

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\b85eba26425de9780ee27f0e106be8a7.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:4780
- 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:3196
- - 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=33F48590B94CA40B1520C99E486BF1E3 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3272
- - 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=458F033CFBC9332ED0FE302EE7227CBB --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=458F033CFBC9332ED0FE302EE7227CBB --renderer-client-id=2 --mojo-platform-channel-handle=1744 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=2AB7C16DD574A030B8356AA6A9201CB8 --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=2AB7C16DD574A030B8356AA6A9201CB8 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4072
- - 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=3E81962F20F58C9334258D7BEA1D743D --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2920
- - 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=00A213C78858B1276A0617C0A4AAC63B --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3980
- - 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=C2B9377047B441D80F5215EF439B2034 --mojo-platform-channel-handle=2764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4028

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3188

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=2228,i,521073434451423547,2311651514500527526,262144 --variations-seed-version /prefetch:8
1⤵
PID:1536

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
1a100b60d36501cc3b472de9df902f00

SHA1
8447bedf04fc1bc78a8214c4e1093818cc692666

SHA256
710c2d4eb19a7c9263867c9ad65b959389ed6c022354ce2df6d52bf154b1bcba

SHA512
6ac9294294b3c85a56fabd4ebb16db7a47d7a601dda4f35779028eef1ca29783850181e9fbdd9d197a189832b4c36fb4b2ecad07632a96000365b9450725e4c2

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
memory/4780-28-0x000000000AB20000-0x000000000AB41000-memory.dmp

Filesize
132KB

Download