d95ad7713269b02d228500bcac853359b33e26b7d73ad5ecb6ab5366bc29b653

Analysis

max time kernel
166s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 03:33

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General

Target

85d058af331faec744b29a864028d36b.pdf
Size

89KB
MD5

85d058af331faec744b29a864028d36b
SHA1

d37ed415996ff7446b04d2ffc33dc07fbbc69247
SHA256

d95ad7713269b02d228500bcac853359b33e26b7d73ad5ecb6ab5366bc29b653
SHA512

6a6f28a96d6742c3a9f76884141139377e25f5942ec088efc394b1974cd70ef868ae4e3d2173a13f3c71d7f1eaab51d0520d58daa8739bee13c10671c9105d1e
SSDEEP

1536:3vYQZgiFaxy/9cKpYPNJMS/kSzn+QsT8MSo3WXmdqeNVWspORJIWXRj:XgEaxMc0MMEnAwtolqeNcROWl

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4020	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 3504	4020	AcroRd32.exe	89
PID 4020 wrote to memory of 3504	4020	AcroRd32.exe	89
PID 4020 wrote to memory of 3504	4020	AcroRd32.exe	89
PID 4020 wrote to memory of 4308	4020	AcroRd32.exe	92
PID 4020 wrote to memory of 4308	4020	AcroRd32.exe	92
PID 4020 wrote to memory of 4308	4020	AcroRd32.exe	92
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 4448	3504	RdrCEF.exe	94
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95
PID 3504 wrote to memory of 5040	3504	RdrCEF.exe	95

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\85d058af331faec744b29a864028d36b.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3504
- - 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=C5543D62F21AACB110BB5974C17B8F68 --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=C5543D62F21AACB110BB5974C17B8F68 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4448
- - 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=212F077214F7FF81C98CD22F285160C1 --mojo-platform-channel-handle=1788 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5040
- - 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=371F064EFA660774727A1BF460E004FA --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=371F064EFA660774727A1BF460E004FA --renderer-client-id=4 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1884
- - 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=0103EE55B684D0750F3DF991177B6A1E --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2788
- - 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=BF5BC55AFCC7981C2D4B1DEAF8884270 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2968
- - 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=C849B6DD8BE84FA80BF74ABE852FE3BF --mojo-platform-channel-handle=2124 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4956
- 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⤵
  PID:4308

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
7dd67f2e38b46cac5ae11a239845dee6

SHA1
77b881cdf28779caad804f9b52540b6f5cc38475

SHA256
cc5eb43f58d0af626275be382392b6f64e43fca0c93041f437537aac7c0dbfcb

SHA512
e7bcb4df0e6f927f5edb1979b70cda5d266290f479a5a879af8ee695ce73cb241e26a512f16cb1c0195381798afe5e067625ef2d13e27f233e63d252a2ab60a4

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/4020-156-0x0000000002380000-0x00000000023AA000-memory.dmp

Filesize
168KB

Download