54a3126584ce052d6c7778afa27ec03035f9cb89a6fd47b25483e17bb7d70a8b

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 21:18

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General

Target

0444c6d3bbe2447f121dcd28566a50ef.pdf
Size

35KB
MD5

0444c6d3bbe2447f121dcd28566a50ef
SHA1

dc19c0229a29532ffc66bde12e503ab381d41dcb
SHA256

54a3126584ce052d6c7778afa27ec03035f9cb89a6fd47b25483e17bb7d70a8b
SHA512

8a69df8464a11b69cd12c508425538fbe437ed49718876d790cb7c2ecd0e41a0066fb827095c708ac79198eb581fde2661a707fcd4a62b06f4b30adf149589ac
SSDEEP

768:aUbUp8GMuGnlZUsNQau0KBX0rqV7MG8s5bG4u0c/n+pMGGt+:u+1QL0+X05Gxvc/9Ht+

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
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
224	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 2612	224	AcroRd32.exe	91
PID 224 wrote to memory of 2612	224	AcroRd32.exe	91
PID 224 wrote to memory of 2612	224	AcroRd32.exe	91
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 1640	2612	RdrCEF.exe	92
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4088	2612	RdrCEF.exe	93

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\0444c6d3bbe2447f121dcd28566a50ef.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:224
- 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:2612
- - 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=B110F636972BF1935B309462F2FFD8AF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1640
- - 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=2CD390F2803D41E9647150FAA963B02A --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=2CD390F2803D41E9647150FAA963B02A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4088
- - 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=21CCA3F119262D3E0EB8E76FC90A24BB --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1912
- - 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=CB616F75A0EC110FBE31EC695FA8E977 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1284
- - 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=4F535528B26C9C4FF403614CE9C7EC4A --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=4F535528B26C9C4FF403614CE9C7EC4A --renderer-client-id=6 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3100
- - 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=4870C8C51E2993A14CD2E0E6BCEB3203 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3500

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4888

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
25f3b74167435f6c0e7095a8ce57921c

SHA1
437d3a950b5219905e80e642ac03b56af8d5ce8f

SHA256
32960aba4776314e2d9690ad6fd71a3f123973340141c3447bd7d790a5902312

SHA512
35b871bd52b30c212a8a56c13b53049787c8df8bba9fc2b44aa3f31c572477258cf92059e871bc1be611401b7623f319c4cd028f6fc7feabc8fa6dee55a78a56

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
memory/224-28-0x000000000A740000-0x000000000A761000-memory.dmp

Filesize
132KB

Download