d9ed939603b80f124ac96cf2422ecac87322beabe32654101d3723956333863e

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 14:15

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General

Target

a20dfcce10582293cc3313ed0f15b407.pdf
Size

100KB
MD5

a20dfcce10582293cc3313ed0f15b407
SHA1

a75dc08eb13f323f38e0420501ecd9c66fa67cdf
SHA256

d9ed939603b80f124ac96cf2422ecac87322beabe32654101d3723956333863e
SHA512

ac6b607ed1f5b7d222c7783286964f0047f4a18019609376f892c0efab7076cc9875543679fecd836933601097213251eb3bed3b28a89879eb0bc740f3dd3b14
SSDEEP

3072:axpZ9lQ94awukctnOsC41EO8Q7KLqpCnmJocmenUMfQ:ap9lQ9Crccc98QhTQ

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-1-5-21-3844919115-497234255-166257750-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4760	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 1568	4760	AcroRd32.exe	87
PID 4760 wrote to memory of 1568	4760	AcroRd32.exe	87
PID 4760 wrote to memory of 1568	4760	AcroRd32.exe	87
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 1568 wrote to memory of 3208	1568	RdrCEF.exe	88
PID 4760 wrote to memory of 2156	4760	AcroRd32.exe	89
PID 4760 wrote to memory of 2156	4760	AcroRd32.exe	89
PID 4760 wrote to memory of 2156	4760	AcroRd32.exe	89
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	RdrCEF.exe	90
PID 1568 wrote to memory of 3328	1568	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\a20dfcce10582293cc3313ed0f15b407.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:4760
- 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:1568
- - 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=912CAF1DA204EB3E0E40FD29D00E7A8E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3208
- - 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=4C37B3D1301F2817437C961A3B916298 --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=4C37B3D1301F2817437C961A3B916298 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3328
- - 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=21AF92C139D177C9745DDD7C97F25AF4 --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=21AF92C139D177C9745DDD7C97F25AF4 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:692
- - 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=5B5E235E9A511DB64520A1B120803104 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:208
- - 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=6217C8E9D20637E2088772A74EBC3CE3 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2876
- - 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=8933BB50028756A8756227F332817651 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2328
- 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:2156

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3308

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
2c154cb794b206b5cb5339fd2f31f6a0

SHA1
c9dea96a415f0b79d34e2467d2a9026e8d9e68c7

SHA256
ddefddf701e4a33523e41445d84779cc71fce8559509c7e9060074f453dd48e4

SHA512
ac0c5170b580539997d8d85049f06320f7840de30fe9d7d918e6edd68c36d2583da10ad0b061b78f44f0cdf5c5d60ee84e5709cc6e7855a0f740d2a43fa66db8

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