464a6a9ca34dfa6b519f0a9efa59c768f031b57dc12dd23db2ee7363c4d42ed8

Analysis

max time kernel
148s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2024 19:24

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General

Target

4700ebfe28112a8981a15016a97a8cfc.pdf
Size

35KB
MD5

4700ebfe28112a8981a15016a97a8cfc
SHA1

9c5e5d351198b1bd0ccc7307b46982b330548321
SHA256

464a6a9ca34dfa6b519f0a9efa59c768f031b57dc12dd23db2ee7363c4d42ed8
SHA512

cd0c7f3a866b3d09cd0279da2caaf92361f32ed123535e8271a5e30adf7eae6b42bb6905dc196afe22a30b859da60e559aed405152e2c7172653d008322e630c
SSDEEP

768:WoZ6rsUF6SZjSNcdkXcq9+nEhIw26GHNTns2yp38TA:EF6SZ5G+nnw2lHNTs2M38TA

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 1228	4872	AcroRd32.exe	93
PID 4872 wrote to memory of 1228	4872	AcroRd32.exe	93
PID 4872 wrote to memory of 1228	4872	AcroRd32.exe	93
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4416	1228	RdrCEF.exe	94
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95
PID 1228 wrote to memory of 4660	1228	RdrCEF.exe	95

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\4700ebfe28112a8981a15016a97a8cfc.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:4872
- 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:1228
- - 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=FF14334A97153877C0BD9A264BFAEEAC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4416
- - 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=2260A4A82254F4C06BC42BFD3458769F --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=2260A4A82254F4C06BC42BFD3458769F --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4660
- - 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=F9FAC72F06F6D79018A3DA3619781E0A --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3804
- - 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=CF021A6624C7CCDB357A30774255799A --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3360
- - 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=E82353CA1F205945E4A57C7B63906C84 --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=E82353CA1F205945E4A57C7B63906C84 --renderer-client-id=6 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3880
- - 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=0168EDEDB44455275E6FE150CEA05669 --mojo-platform-channel-handle=2740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4928

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1700

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
fe38db9e2cacfca6c5aea9fe6c9c4303

SHA1
47bb3409f1b02a9620ac42581120797c6c723921

SHA256
79a91e7931194d1c66624fea5da224a113a46261e584e954fd54a529311c018e

SHA512
0f0db46fcc46862cb6b2b3f1f495eb41ac2c3dd1a46d0a7369286ac971ffcb311bbb397772e6fa82dbc41815777d10bc8e56cb580aeaee615480680fc3493444

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