8fe57e565782cbd044d363e79dee3f7dec228024a9dfae506fb90c8407dc36d0

Analysis

max time kernel
600s
max time network
449s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2023, 21:58

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General

Target

94068103.pdf
Size

334KB
MD5

a2a6458c4923ebb417fdba7d0bc0dd54
SHA1

760e34677e4ce2345c79be28f5e24902fed42dc1
SHA256

55139c364f2f784abc5e9ac12c9b4faf78aaf0c584e8798ab41ab7d5d97ed431
SHA512

ec429e7ec0687d2c0eadb6f3314248ab828b060d0b5cd774ec1e6823882fc7b028117267a30edbd2990c164cafb2ed1ae8a13066794f68d9766dbd2073555c68
SSDEEP

6144:TQeePeYtKS3UL6fGWLcbPhVtjAEgh6L4yEQrOVJFPL:TQtx4S3S6fjAbPt46L0QrO1PL

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-1-5-21-2344688013-2965468717-2034126-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 4384	4768	AcroRd32.exe	93
PID 4768 wrote to memory of 4384	4768	AcroRd32.exe	93
PID 4768 wrote to memory of 4384	4768	AcroRd32.exe	93
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 5080	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 3676	4384	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\94068103.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4768
- 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:4384
- - 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=2797C9B45AEB31D69BA52684E9D097BC --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5080
- - 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=04A0F99ECABFC271287D62604D725D58 --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=04A0F99ECABFC271287D62604D725D58 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3676
- - 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=0307024E40FBD6EC74B0363CBCB87A87 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1724
- - 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=F38352E5CD66416B7FC86F9E9EFD7C94 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044
- - 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=3DDF0580D8C77D74263D0EC3FF506742 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4792

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4652

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
58fe12e5751379a1ac3aea645311e5b6

SHA1
93dc23ebd3204ab8ad2bbce2c6942ab059f5ce0e

SHA256
a33b8b2a8813bbe556ddf33dc2108bd4e14f9e4b8ea347c995aa9a916dacea26

SHA512
9c7211497ba9be0fb293b09e656210ca21d8be7311dd68d3e2f713bbf3d3b61192c42bd3cf75853fe16d70f1f941ae50baa07b8ead0ea99585db9463a924d897

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