2a2529e624efe564f60002b426dea6fc7c9a34e2c0ed2d1adb226053f5cb13bb

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2024 03:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5a22fd8b530bd0de28e2f46087f549a4.pdf
Size

86KB
MD5

5a22fd8b530bd0de28e2f46087f549a4
SHA1

9eb914ddb1278ca31027058c24b6759685697a8d
SHA256

2a2529e624efe564f60002b426dea6fc7c9a34e2c0ed2d1adb226053f5cb13bb
SHA512

45f7f837941f0cde0f53874da4073bb1d7754504d5f04f5431cb6c122f810578284c08534873a1111fc32a3861b4518e62b945dcd019efa7fae9e672f080a6b3
SSDEEP

1536:ezKQY1L6EZzg8uAzwALzse6hjEWq/r17x79GUIcWapOtQHWPeY4sruBOE:aKJ7Zg8uAcA8e4Xu7aUetQuHlC7

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1852	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 996	1852	AcroRd32.exe	92
PID 1852 wrote to memory of 996	1852	AcroRd32.exe	92
PID 1852 wrote to memory of 996	1852	AcroRd32.exe	92
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4772	996	RdrCEF.exe	93
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	RdrCEF.exe	94
PID 996 wrote to memory of 4996	996	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\5a22fd8b530bd0de28e2f46087f549a4.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:1852
- 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:996
- - 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=C166E7A85AE6CF0B8CD869F78BAEE5FF --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772
- - 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=31D81FE4726DDFF96A85210B14FA4798 --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=31D81FE4726DDFF96A85210B14FA4798 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4996
- - 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=E9E578D78FC5181B6528A9345D7E7D7E --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4436
- - 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=51493A2FF61037DE1CE6BB85BBBE41C8 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3924
- - 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=3C60815BA693A91EFDB9B3F5AA55FED0 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3772
- - 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=E6DE4F7A4E5BED0BD0F211A1110DF4E4 --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=E6DE4F7A4E5BED0BD0F211A1110DF4E4 --renderer-client-id=7 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1352

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5000

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
893153400c245397a886586551f236d4

SHA1
94b44a6c965594f74473e5a9f76e300b870268a6

SHA256
9a5216fcdc4eb25e38bc433a4d52850d3407d4a53ab8d95a4d3ee022fbf9d363

SHA512
628eebfd60cbe8b2dda5d29fe3c8c4c2cb8559344201d1251c4fb110fff425c81618975e0ecbcbdb61541e3ef8ff10cb30d36e7c7c457b588b1ee58e9e5d6b3f

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