35e4f606fe68cec16d4cb12e41a974873c1ab223f736bad6dcb7205b3e5da7d0

Analysis

max time kernel
141s
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
12/03/2024, 00:54

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General

Target

c20bcff4c6405e270f72a6439432a060.pdf
Size

14KB
MD5

c20bcff4c6405e270f72a6439432a060
SHA1

d619eb5b7e78aaa71b3fb590a29d4d7d8bc35fea
SHA256

35e4f606fe68cec16d4cb12e41a974873c1ab223f736bad6dcb7205b3e5da7d0
SHA512

538db80420ff296cba2cf35fce7e23bae1773d4880b9830c3f75a49b24993bb6677c776f495a30340360173335a200f0b6cba75dd34c096317ee5d5a352e8aaf
SSDEEP

384:4ONT7lEbvrWPAsG9rGrqi9zVXer2MqmpcxYhPZzV4fvwdCeewIjJizIgz:g6CvGG

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 852	4832	AcroRd32.exe	84
PID 4832 wrote to memory of 852	4832	AcroRd32.exe	84
PID 4832 wrote to memory of 852	4832	AcroRd32.exe	84
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 64	852	RdrCEF.exe	85
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86
PID 852 wrote to memory of 3796	852	RdrCEF.exe	86

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\c20bcff4c6405e270f72a6439432a060.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:4832
- 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:852
- - 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=06480582FD451C84B59CA4D24580A223 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:64
- - 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=ED1733D35629927464411355A2C9C9DB --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=ED1733D35629927464411355A2C9C9DB --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3796
- - 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=46FC8D928D8044F21E239B9D693C9917 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:440
- - 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=EC2DCF1A5E28F7BEC95BF005C345D03B --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3540
- - 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=FF6923ED6BB43600089510B88309F1D9 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:524
- - 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=F7D648443FD03F2DDD4C7CCBB2ED2068 --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=F7D648443FD03F2DDD4C7CCBB2ED2068 --renderer-client-id=7 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1832

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

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Downloads

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

Filesize
64KB

MD5
43bdfc411a6c09c0f196bf01ccf383d5

SHA1
721e00c8ca2e6ce372f4137b65837d795c2df48c

SHA256
f69c59d2c3d807bfb63d3ffb69fd33045ba13348c92c6bb5438228ca61feeb0b

SHA512
114a45c7b73558a51ab931ffb361e51d599e305ad3658d8a3cf14ffbe3e2b604902b27b5d5e7a5ef08229221d44b6bf78890873fb25b4355bfff0eaffaacc524

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