6391b6ee464e8af32ca7efe6fc8ec7cde904adcbc374d1c420bf864c2f1ed637

Analysis

max time kernel
142s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16-04-2024 22:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6391b6ee464e8af32ca7efe6fc8ec7cde904adcbc374d1c420bf864c2f1ed637.pdf
Size

5.4MB
MD5

2205a2bff4135bb1fa22c3011a8932f2
SHA1

a257f32a21f3ae065763a934aa34a8b67dacd76a
SHA256

6391b6ee464e8af32ca7efe6fc8ec7cde904adcbc374d1c420bf864c2f1ed637
SHA512

3dfa375e87e99b7ede8d70faea1bff0c38794cd205ad075ea4abd02859219bb5813488cc60078c4ec498e01088418e8afc6192a838fc8e5f44daf4e51f2b3d0d
SSDEEP

98304:UIRBtCi8L9i4xqYH2c0w2IH2cOK0MrCeOKz6y0digkTChYgLndBg0lY4:jTsb1gcOK0MrfO3yukWYKdBRlY4

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 4252	4620	AcroRd32.exe	93
PID 4620 wrote to memory of 4252	4620	AcroRd32.exe	93
PID 4620 wrote to memory of 4252	4620	AcroRd32.exe	93
PID 4620 wrote to memory of 3144	4620	AcroRd32.exe	96
PID 4620 wrote to memory of 3144	4620	AcroRd32.exe	96
PID 4620 wrote to memory of 3144	4620	AcroRd32.exe	96
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5960	4252	RdrCEF.exe	97
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98
PID 4252 wrote to memory of 5912	4252	RdrCEF.exe	98

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\6391b6ee464e8af32ca7efe6fc8ec7cde904adcbc374d1c420bf864c2f1ed637.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:4620
- 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:4252
- - 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=BDF6426B5572D9F5812DB2324422C8EF --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=BDF6426B5572D9F5812DB2324422C8EF --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5960
- - 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=3111E6A45D69488018FFF0BBF2B1770C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5912
- - 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=39F696F7671F718C659BA8D926863195 --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=39F696F7671F718C659BA8D926863195 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5980
- - 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=2E662CE258B0442C4EF7D0700B07E76A --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2316
- - 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=1B2A7512965F82F981F9F57C04F18D14 --mojo-platform-channel-handle=2100 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4344
- - 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=981B3257F855A40DA7AF94238102D4F8 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4036
- 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:3144

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3284

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3572 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:4664

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
30ea487ae1a985dccdbe18955b9a5ac0

SHA1
dc43e06e823fcd0cbc0c9683e74a51aadb97bacd

SHA256
e45668fffb5ffafb6c3de575c4103e4af8dc300631503f359e70b1497c6217c4

SHA512
d0a5ccbdc910d56a2d465f33c310376207fa916df960e15a9ce632575415f8ebeb1cf68b7591248dd784304bf354e6b05ee8889785351efc9a4ab4a9561d7278

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