49350ca2d069dfa91fa1ba4899b55e04cbe32d8b8e83478c8d8a69591072fe17

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2024 04:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8b5aaacb7aa1d23fd4603cddd18aa3a2.pdf
Size

87KB
MD5

8b5aaacb7aa1d23fd4603cddd18aa3a2
SHA1

343497d1aa420597452f2211dc9a83d5401426bb
SHA256

49350ca2d069dfa91fa1ba4899b55e04cbe32d8b8e83478c8d8a69591072fe17
SHA512

977cbccef523d0b70a142d8be14be30cdefeea6433d72c3608e1fb0b3d88205a2692e029ced9b82075cfb722a9f53bab33d0dc1a467749d23aebfc374ba97b56
SSDEEP

1536:7hEgkopczoXqGKhlrTCZ/KqGuBUYt80WtHvVmFM6WSGoCOJtzp4e5yjZWbpONyTw:NlTGGqPr2ZvUYt8peDFCOnpDQjbNcKqu

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
920	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 4948	920	AcroRd32.exe	91
PID 920 wrote to memory of 4948	920	AcroRd32.exe	91
PID 920 wrote to memory of 4948	920	AcroRd32.exe	91
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 520	4948	RdrCEF.exe	93
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94
PID 4948 wrote to memory of 364	4948	RdrCEF.exe	94

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\8b5aaacb7aa1d23fd4603cddd18aa3a2.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:920
- 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:4948
- - 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=BD99EEB9E51710D0FBEBAB921331B8F4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:520
- - 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=6F7A52A9D17F37F96D960AB4DF2B6CA8 --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=6F7A52A9D17F37F96D960AB4DF2B6CA8 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:364
- - 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=1B029C3E87AB8063198ABE1D9BD37B5E --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:820
- - 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=3AF5A5E481040F8BBE9B357AED6E811C --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4468
- - 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=24A92A2705514B2250BC9BD976032E10 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2752
- - 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=77B2D22E13D8B636788467B154913735 --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=77B2D22E13D8B636788467B154913735 --renderer-client-id=7 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4748

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3900

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
2036507c99aec138979ecee63ece3adc

SHA1
3d8333290371d68f76274b561bd133b6cb802e5b

SHA256
9962316462d5c23a407b90438327738ae04d23512e6995e97bcfadd116867e8f

SHA512
5aa4466a18e6cc3d78d0a1cfcade3e4cf8b584fa81f98b3a3cbf8960b36182dbf8926c2e29fb9d346884879ed1f515c6e939502d3074e01093a90069a1de090e

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