18e847be2bab0d87fa94095ac57bbb86e65ea9db67a6a1d593a4c71ebc0bd5c5

Analysis

max time kernel
141s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09-03-2024 21:31

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General

Target

bcda71ed7f45bcf910a4e79c7eb8f301.pdf
Size

86KB
MD5

bcda71ed7f45bcf910a4e79c7eb8f301
SHA1

f5a25a2c6f78ae4f8e98dc9f895c997e32976537
SHA256

18e847be2bab0d87fa94095ac57bbb86e65ea9db67a6a1d593a4c71ebc0bd5c5
SHA512

cb03c2ef4f8a5eaaee5fec76501f5c30ff0f2464e37c264b776e2697061265ce770263f2b66f0adb2782b31b3b589f8187973f9d8185c8af6a4790c40e063922
SSDEEP

1536://wPx1cq+mop2UUpbAPTKk3CirdaQ6iprBiZ7dlQiWGpOKCWqigbUyNUYzap1:Xw51cB2UMbAP7BrdaQPp1iZUKLyNUU8

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
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3184	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe
3184	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3184 wrote to memory of 4204	3184	AcroRd32.exe	85
PID 3184 wrote to memory of 4204	3184	AcroRd32.exe	85
PID 3184 wrote to memory of 4204	3184	AcroRd32.exe	85
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 4356	4204	RdrCEF.exe	86
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87
PID 4204 wrote to memory of 544	4204	RdrCEF.exe	87

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\bcda71ed7f45bcf910a4e79c7eb8f301.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:3184
- 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:4204
- - 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=01261545822BF96A63D3681B9E16A4F8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4356
- - 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=18664357080C950FAABC299D5F354CB0 --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=18664357080C950FAABC299D5F354CB0 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:544
- - 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=0E0D143660CDB1EC7C6DC9ED0EF481A5 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2180
- - 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=63477855219A3B86CAD916D85E5A31EC --mojo-platform-channel-handle=2388 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:912
- - 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=35A73DC184E9B45D0D3E574054DE16C4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2712
- - 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=63CD18EF27B4372E37F001D8F060812B --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=63CD18EF27B4372E37F001D8F060812B --renderer-client-id=7 --mojo-platform-channel-handle=2504 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5116

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:792

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
df0a79ce3137f626c24deb54052cfc85

SHA1
43a755e9afb693b2e734d47f9e84b6696cb94dc9

SHA256
3267d155b75761e36518e700fdf08dc0288e047fca3d4a7e931384ea93361294

SHA512
1c4bfcc57741fb3366c95e71e18e806798fcefd68c39bf210332a1b2691aa831182bef31609262e44f9992504a4bc5f4e9ce0b2b9f22f7d68749359cdf5dd70a

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