aa7937657f16b976e7f74ac148b18043dda8c3e6ab3502238c22507d5e8e2165

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 17:01

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General

Target

7ac9e4f21e06076ce383ff065a3cccf1.pdf
Size

46KB
MD5

7ac9e4f21e06076ce383ff065a3cccf1
SHA1

74df04193394873b7fbabb7848d3539ccbb2d7d8
SHA256

aa7937657f16b976e7f74ac148b18043dda8c3e6ab3502238c22507d5e8e2165
SHA512

7496ab8ee4ba58e70c512de287acd8516549fa04b219b987e66b96fa36930f1b852f77fc434358afe10ed6404f7e481c34fd9d78441377f89286ca39d7d625b2
SSDEEP

768:/d4RpogaeW37kWYnKKxfMvZ8egxi4cJhyzrZijmJ4sFB0dZ:/dW9pWVKFMvZ8KyzgKCdZ

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 20 IoCs

pid	Process
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe
2936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2772	2936	AcroRd32.exe	90
PID 2936 wrote to memory of 2772	2936	AcroRd32.exe	90
PID 2936 wrote to memory of 2772	2936	AcroRd32.exe	90
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 4204	2772	RdrCEF.exe	93
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	RdrCEF.exe	94
PID 2772 wrote to memory of 3572	2772	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\7ac9e4f21e06076ce383ff065a3cccf1.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:2936
- 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:2772
- - 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=9B81A7CBF4EA4092FF000678C8D743B5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=A66C48A339567C0EA659B9995D400946 --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=A66C48A339567C0EA659B9995D400946 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3572
- - 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=8D8BAB17D107361E4CF58B6ADBF36378 --mojo-platform-channel-handle=2304 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=36B9EFB5FD6CDBFE7259931FEECD5525 --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=36B9EFB5FD6CDBFE7259931FEECD5525 --renderer-client-id=5 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:208
- - 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=2CD6A4F0449EC98B07D3D71A49BEE1FC --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1792
- - 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=FF1E8721E467BAAA731300AEA1E6FD9A --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4796

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4116

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
3351ae347fc8c90c071d6ad1d9157117

SHA1
e41f723428552996aead003ff62790def1e2228b

SHA256
454378c1ad699f82c73e81021ced25e8c31bae4fc3dc05ae8e266b228a9e35c9

SHA512
78b4f39a713023c281c33e0cd85976b43c36f27768ddf3ef6a150bcf4c194f71695a4ef4586969f842f1999b43a9534a7cd61651d37d955594c0969d2f90bae9

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