b87090645d62813168328c0ec91986fc5401f4b23577e76abf3fb04828a4e682

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 11:36

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General

Target

157f17144e38cb6ca30b981974f56e7a.pdf
Size

84KB
MD5

157f17144e38cb6ca30b981974f56e7a
SHA1

accd7e438f8dbbbe0e8208521e801ddbbe8107a0
SHA256

b87090645d62813168328c0ec91986fc5401f4b23577e76abf3fb04828a4e682
SHA512

81d91b7f6bcaabce82429ff858ba8209d4ecf1a4cdf1be8348a97bb5e9892d340204bf7190f407270edb0b1723edcacedc65e75564d595a1dbd367f98fe872d9
SSDEEP

1536:V25spD2/OqV77ckSfBj2+UzU6ANeMfOYD51m1IawTAWZVft1NZWbpON+GqJQR2b3:M5Yy/OffBj2rUVNDfOGtTRVfrNbN7EIg

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 4576	2764	AcroRd32.exe	94
PID 2764 wrote to memory of 4576	2764	AcroRd32.exe	94
PID 2764 wrote to memory of 4576	2764	AcroRd32.exe	94
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 1732	4576	RdrCEF.exe	95
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	RdrCEF.exe	96
PID 4576 wrote to memory of 5068	4576	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\157f17144e38cb6ca30b981974f56e7a.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:2764
- 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:4576
- - 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=83963EA165CF7ECDA04ACD3D4DE8F6DB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1732
- - 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=C1ADCBEA3E665276EBBD3A411E43E480 --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=C1ADCBEA3E665276EBBD3A411E43E480 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5068
- - 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=B4D069FD157981B45ACF66110F778E88 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3376
- - 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=45EEBD9D54326B8106AD23B59FC035A3 --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=45EEBD9D54326B8106AD23B59FC035A3 --renderer-client-id=5 --mojo-platform-channel-handle=1840 --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=61BDAFFA7D6822E9B06A9036FF99EBAC --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4108
- - 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=6E44751AE179DC0DFA90F3B9FC3B234B --mojo-platform-channel-handle=2360 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2392

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4848

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
fefb4b4761a788d436b7018e018acecf

SHA1
d55b3ed4d54e8d404b741c60b4cd40a6352f40ba

SHA256
e3a74d975522b784587f03e288a7a3847cdeb5bd427803b0842cc6b34e10ec13

SHA512
f041ee518427197ae912fc69d6e36c27b1bbce7973d41432d49dd784556ec2dc0fd5c37932f1d343769c3c2b9d0c93b21656d8b1fe58d647e6d8d82f3e97d44f

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