c9823d0e0950dc3a000837ab2f33a82e094ee5f4058d337ac494bccfab4d0cf7

Analysis

max time kernel
141s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 11:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a1b89a94a4cc54471d80be3acada9bd2.pdf
Size

41KB
MD5

a1b89a94a4cc54471d80be3acada9bd2
SHA1

9f66305c4faa8340a3a3bf3b1116d02a0a70ce05
SHA256

c9823d0e0950dc3a000837ab2f33a82e094ee5f4058d337ac494bccfab4d0cf7
SHA512

2e31a2741d5325717f444b2b335dc75e47adac20f8b73b602c5f784d047d14724d640fa32ea65ba82b21892ae8c9dd0ef84524fd65f46f2d4bbc2954b65e461e
SSDEEP

768:zgGzpDkbWThQM7EaxNND9PpSpMSJK5cZFrgVPip32QspN1enYSEfPyyP:MGFQYNDBpnYK5irgx7z1endEfPyyP

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-1-5-21-910440534-423636034-2318342392-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4568	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe
4568	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 3484	4568	AcroRd32.exe	86
PID 4568 wrote to memory of 3484	4568	AcroRd32.exe	86
PID 4568 wrote to memory of 3484	4568	AcroRd32.exe	86
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 216	3484	RdrCEF.exe	87
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88
PID 3484 wrote to memory of 556	3484	RdrCEF.exe	88

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\a1b89a94a4cc54471d80be3acada9bd2.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:4568
- 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:3484
- - 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=22DB1FE5B1EC4D5E4032F9CD28544B8D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:216
- - 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=780E17A469E28A748F168BDA880C9F76 --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=780E17A469E28A748F168BDA880C9F76 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:556
- - 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=785E8068B06B9294021934E24C8DDCDF --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=785E8068B06B9294021934E24C8DDCDF --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4480
- - 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=3E378205B6A46364D1F3C08CC44A6CED --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2368
- - 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=0AEFB433FFE5010E0777667FF4C5956F --mojo-platform-channel-handle=2808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:920
- - 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=DD9852F9D6B73C56F24834D243262FA1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1236

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2412

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
1d9dbf2036f15a380417626f24f23cf8

SHA1
e52e982b37c9cda5305bfed3479f2fcc06a63184

SHA256
5b8e4026bc5b43587dfbe328470b2f56cc19440a1bfd6f22412ccdb4cc695229

SHA512
031055b25af76c55c26cc1ceea02cf0d7fc45ee96509335a1261d3889c34ccb67a37b58e63c511967fff043c1a7a1ae91b1899096d63eaab9f14ed2ec1c8ee37

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/4568-27-0x000000000A5B0000-0x000000000A5D1000-memory.dmp

Filesize
132KB

Download