77e2f50895e4643478a9b34b8fe54bb3aeff1cc1872ab9af0401f8ae6d163a1b

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
16-10-2023 18:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NEAS.85a81fd419da8ac9f903d36bc92e36a0.pdf
Size

83KB
MD5

85a81fd419da8ac9f903d36bc92e36a0
SHA1

bc7c973a138353ad35f9020d18deab6eae4e7fde
SHA256

77e2f50895e4643478a9b34b8fe54bb3aeff1cc1872ab9af0401f8ae6d163a1b
SHA512

c3a6026927affbb5333c785bf721eae03488441e07c56118c0a7bf83b17dc2a8e9087072d9a6060f7fb02b63e3e3a8623073bbf9300f9ecbe068a5f2a6592db8
SSDEEP

1536:PFofd2mgJCEZig7eF16Dvkosn+EVMn4YjD1oAIa/IRoR5+PWr5HwJo0SPBGAxShP:PAd2PX97eF18e+QY1uA2E5hwUZGAxYP

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-1-5-21-2890696111-2332180956-3312704074-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3432	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe
3432	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3432 wrote to memory of 4508	3432	AcroRd32.exe	88
PID 3432 wrote to memory of 4508	3432	AcroRd32.exe	88
PID 3432 wrote to memory of 4508	3432	AcroRd32.exe	88
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 5004	4508	RdrCEF.exe	89
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90
PID 4508 wrote to memory of 1224	4508	RdrCEF.exe	90

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\NEAS.85a81fd419da8ac9f903d36bc92e36a0.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:3432
- 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:4508
- - 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=7BCA639CF37831679E249B95287114BF --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=84B383436AC9F45FD63AF155E127C185 --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=84B383436AC9F45FD63AF155E127C185 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1224
- - 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=BF07C856A16AE0C4440A7841B8858980 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1136
- - 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=69601B0E90BFF67D8B7BF2FB9D17A5D1 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3132
- - 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=6BA1A0CF44BAF509102C00B15F61597C --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4656
- - 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=C04DE3E8B805174DBB14C1170B55D3EE --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=C04DE3E8B805174DBB14C1170B55D3EE --renderer-client-id=8 --mojo-platform-channel-handle=1876 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4612

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3980

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
05c18a58174d94c282addef6cf3b5207

SHA1
a903d96b6f2d9931181c4a13fc7ec66319669a73

SHA256
3c8ff326c381921872f97622c043d334ac40e11ce59383590705be5598535bf8

SHA512
9586d944467800fa91a0d1705ec850a92855c00198d0aadc4a22fe602d0b8e8828f3d9c0516bac4ef2028dd50ae302f6c6cdff136fc58632e5083399b5e86def

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