b69d9d8b380b9c7e94789c6407394ae5577544479edeb1c7782a59b27b88da64

Analysis

max time kernel
157s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2024 21:14

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General

Target

41ed4730d26c8cf5a838044e83cc00a3.pdf
Size

45KB
MD5

41ed4730d26c8cf5a838044e83cc00a3
SHA1

7dc834629c037611b87ac3a4c2e245b97062f0e2
SHA256

b69d9d8b380b9c7e94789c6407394ae5577544479edeb1c7782a59b27b88da64
SHA512

6c9b286cb2d781db161ff71667ae0bb0708c1eb5464bf57648b55ea23dc052c9952b24cfe3e328c6d5b18f292901811e820220da8e383630b37dc4bd8d74dfa2
SSDEEP

768:m6cYzPHvwOor8g2SHcN2WZmX+iuZkJ0lBeGaHV48Qa:lcYrvor8Nx2WEXnukJ0lIGMzQa

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2508	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 876	2508	AcroRd32.exe	95
PID 2508 wrote to memory of 876	2508	AcroRd32.exe	95
PID 2508 wrote to memory of 876	2508	AcroRd32.exe	95
PID 2508 wrote to memory of 2808	2508	AcroRd32.exe	97
PID 2508 wrote to memory of 2808	2508	AcroRd32.exe	97
PID 2508 wrote to memory of 2808	2508	AcroRd32.exe	97
PID 2508 wrote to memory of 536	2508	AcroRd32.exe	99
PID 2508 wrote to memory of 536	2508	AcroRd32.exe	99
PID 2508 wrote to memory of 536	2508	AcroRd32.exe	99
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1400	536	RdrCEF.exe	100
PID 536 wrote to memory of 1548	536	RdrCEF.exe	101
PID 536 wrote to memory of 1548	536	RdrCEF.exe	101
PID 536 wrote to memory of 1548	536	RdrCEF.exe	101
PID 536 wrote to memory of 1548	536	RdrCEF.exe	101
PID 536 wrote to memory of 1548	536	RdrCEF.exe	101
PID 536 wrote to memory of 1548	536	RdrCEF.exe	101
PID 536 wrote to memory of 1548	536	RdrCEF.exe	101
PID 536 wrote to memory of 1548	536	RdrCEF.exe	101
PID 536 wrote to memory of 1548	536	RdrCEF.exe	101
PID 536 wrote to memory of 1548	536	RdrCEF.exe	101
PID 536 wrote to memory of 1548	536	RdrCEF.exe	101
PID 536 wrote to memory of 1548	536	RdrCEF.exe	101
PID 536 wrote to memory of 1548	536	RdrCEF.exe	101
PID 536 wrote to memory of 1548	536	RdrCEF.exe	101

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\41ed4730d26c8cf5a838044e83cc00a3.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:2508
- 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:876
- 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:2808
- 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:536
- - 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=B5ECCE73A90E3816312F27EE5A7B3266 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1400
- - 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=BE1E05111977EE48444766A20F4EE8C7 --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=BE1E05111977EE48444766A20F4EE8C7 --renderer-client-id=2 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1548
- - 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=440833C18F55686021E4069352AC7CFE --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4020
- - 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=1917DF597DAE465D10B0D4F864C57B58 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3384
- - 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=00C96A3B7CD3649F3971AD87F1872C2E --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3596
- - 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=55B723184A2BE5B4D2B0DFBA5934C3A3 --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=55B723184A2BE5B4D2B0DFBA5934C3A3 --renderer-client-id=8 --mojo-platform-channel-handle=1852 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2884

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1180

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
28260d4797b6f78976cc2e43397d6d01

SHA1
43ce33b1b34c0b9c35549da9adf96193170497a6

SHA256
896c99662e4b9600fb9c6039e2704674d5da51dc89ff4b78d899ff10f37ed693

SHA512
d7620e0c46d6a210bff9d606c4285a3cfbc94bcc188dc486272069d289088e4777b65cc454297ab3378cc2e2619a5808ce9945cce57df1d22cf0e3c6d1165b32

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
memory/2508-133-0x000000000B520000-0x000000000B66D000-memory.dmp

Filesize
1.3MB

Download
memory/2508-139-0x0000000009E00000-0x0000000009E2A000-memory.dmp

Filesize
168KB

Download