66819b3cf24b389302215b95430d1c7875e01a77ef319c925e13c1c9af10c9f9

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 07:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7a4bc473317c83088a9feac80cf22a29.pdf
Size

34KB
MD5

7a4bc473317c83088a9feac80cf22a29
SHA1

d20e229d507a8b3f54a48a96df3a4a09c1e12eef
SHA256

66819b3cf24b389302215b95430d1c7875e01a77ef319c925e13c1c9af10c9f9
SHA512

301ca20c8a54a4d09ccc4001d3cb77741ad19da1dd7dbcd3dd8e10e79c7895653bdfc6ef71a8157d6327a097a784f07409c8ed5ae20e8a23435a8055a0dceb53
SSDEEP

768:URA3qNfQFufsFkaR6hxUqlwJ9nlizXBzpfmujapZ9:zOeuEzuxzIiz7ftWpZ9

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe
3880	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 4672	3880	AcroRd32.exe	91
PID 3880 wrote to memory of 4672	3880	AcroRd32.exe	91
PID 3880 wrote to memory of 4672	3880	AcroRd32.exe	91
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 2260	4672	RdrCEF.exe	92
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93
PID 4672 wrote to memory of 1716	4672	RdrCEF.exe	93

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\7a4bc473317c83088a9feac80cf22a29.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4672
- - 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=F7637C94B61ADD12AF3720D81B7EC284 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2260
- - 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=D20CD7A61C47DD0617E22486C6547BD3 --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=D20CD7A61C47DD0617E22486C6547BD3 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1716
- - 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=429D0E6A67D56E745A7C6303EB6D9CE8 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3336
- - 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=0E76A32314A6B5D038AAB5293724DCE2 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1176
- - 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=75B2AEE9A41B7DA4534DC2E3C2FE8214 --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=75B2AEE9A41B7DA4534DC2E3C2FE8214 --renderer-client-id=6 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1744
- - 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=620D7F052DEE6428618C20D30F629890 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4136

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:872

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
d3efab0d79bf02b2fbaf5371796dd66b

SHA1
3a4ff89fc5df8ee300757a6c1b8b85b275867da1

SHA256
74052cca6ffb11639b74d0dd34ccc451bd26f73a19392f932e5dc467254cda02

SHA512
863183376854d3fe048ecb0e5c92fb9d29066348f4f842c61b52bbd37eae8150e6bd6c6cd0c34ffec50a6092c212c087b604656d70fdcaa5e2b8f6b116892899

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/3880-26-0x0000000009E20000-0x0000000009E70000-memory.dmp

Filesize
320KB

Download