20d78c7c30ab89dd605e286223a29210dbd66f18070ef89e57ea89101181274b

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 22:43

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General

Target

9a1b266f54bb7b042c1f808960a7ad9d.pdf
Size

86KB
MD5

9a1b266f54bb7b042c1f808960a7ad9d
SHA1

e7aadb2d9a0d2d476d8ebb8963fb775c12d4d73b
SHA256

20d78c7c30ab89dd605e286223a29210dbd66f18070ef89e57ea89101181274b
SHA512

a65a876c2cc155b0827b7910cba85b39e2b53dfbb04b349aa82a6595a4233288ca2c5cebe8d9553f799e2ff5ee0f128cb5afe29b997a36bfd431a89d1184d632
SSDEEP

1536:h6DPZCDx7rhR3szETjmuu+jaVb1uW3AffnV/jc4cNWD5gNDW6pOu2Ah979L:ikV8zEuuLjax1uW3A31Fc5Iu2o9l

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
980	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 2996	980	AcroRd32.exe	85
PID 980 wrote to memory of 2996	980	AcroRd32.exe	85
PID 980 wrote to memory of 2996	980	AcroRd32.exe	85
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 4364	2996	RdrCEF.exe	86
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87
PID 2996 wrote to memory of 1624	2996	RdrCEF.exe	87

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\9a1b266f54bb7b042c1f808960a7ad9d.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:980
- 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:2996
- - 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=EAAAE87C84156EA8963CC1B3BA9E55EA --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4364
- - 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=D33399AA7ECD6B9822B055020841D425 --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=D33399AA7ECD6B9822B055020841D425 --renderer-client-id=2 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1624
- - 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=781BFDDCE906F7FA92B4D90A4D1BC70B --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4560
- - 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=2AF6451F9764C9F922936760BB12D0BA --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2068
- - 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=4BC50665CF1FA782F9E73B010E469502 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3888
- - 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=4BD8C4423AC95B955DFB9F253B1534EC --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=4BD8C4423AC95B955DFB9F253B1534EC --renderer-client-id=7 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3656

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
57aba4f659881b4efa550d656535002c

SHA1
c17e2cb2a771e486be46622798b1b5b734473a78

SHA256
9d58f72f8e9cd5879b8f063018f53b7341df1835831624f439f660a7f8c36b72

SHA512
f6c1f66375d7222b05a0ad08db30417af57f7a35bc211b6c2aa9e80e2a2c643db3cf66d80b67c0f489de6244b06e4b6770d1be8a16172d8879cc9df47f47bc6b

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