f7146ff84868f498e8de27ccc574645f77f25f0bc8c7aea4613ac7d707131f3a

Analysis

max time kernel
144s
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
13/01/2024, 07:32

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General

Target

5857e412e7d9c169092b8cdc4e4e20ee.pdf
Size

92KB
MD5

5857e412e7d9c169092b8cdc4e4e20ee
SHA1

89fa834aae62ca3cdb55f11ad195e3f111335c1c
SHA256

f7146ff84868f498e8de27ccc574645f77f25f0bc8c7aea4613ac7d707131f3a
SHA512

1f6dd562ca3293d9f249b5c6ee5c766fbe06a73a21e3ded721bafd97c4ef9b98f50106380273105c17b3ceeb7912553209521140ddc8c8dafb29dea25c971e8f
SSDEEP

1536:C6zMsCryTjNpEiNXwzyoBETnI4xKcgRdXXQsDAWiTxHFuI76W9Z8FWspO2GjU:SsCOThqGgGoaTI4gcOgwKdn7us2z

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
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3444 wrote to memory of 1896	3444	AcroRd32.exe	94
PID 3444 wrote to memory of 1896	3444	AcroRd32.exe	94
PID 3444 wrote to memory of 1896	3444	AcroRd32.exe	94
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 808	1896	RdrCEF.exe	95
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96
PID 1896 wrote to memory of 4112	1896	RdrCEF.exe	96

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\5857e412e7d9c169092b8cdc4e4e20ee.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:3444
- 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:1896
- - 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=A4FA43BF1205E6597CA383AA3070950F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:808
- - 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=F9AC5B4F995A19862D8D72FECB41C405 --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=F9AC5B4F995A19862D8D72FECB41C405 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4112
- - 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=64547349E3AADA37D93EFEB290029E5E --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1796
- - 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=ABE14DFB269674404190FDEAEDC1B187 --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=ABE14DFB269674404190FDEAEDC1B187 --renderer-client-id=5 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4336
- - 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=501008A7F4CDFA176DAA85793E39ABEF --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4612
- - 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=DCD95445A3F8B8585B1BD65D27FC1BA5 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3104

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4124

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
05d604fd9d5e032122fe6ccb5167cc51

SHA1
ca3277f6317a571b668c2207135409f896b85a64

SHA256
e532e6d9a49bbaeebe3e1c1517e9a56cf07f2538f7ded0db919d8ac60c4a5945

SHA512
818e5fb68d8dbc2879177793e0fec747d044c6bf26af5fc67b8b6640d30edcd8d25f3527cd7b9c343a1cdc57940b4fa2a80b79a6b868d0b5daedd0416a83c775

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